From: Heiko Schlittermann (HS12-RIPE) <hs@schlittermann.de>
Date: Wed, 2 Nov 2016 13:47:05 +0000 (+0100)
Subject: Rename the *.pl to * and insert a hint to the caller
X-Git-Url: https://git.exim.org/buildfarm-client.git/commitdiff_plain/707a4894cb762d150f48663ae8034224dfca183f

Rename the *.pl to * and insert a hint to the caller
---

diff --git a/run_branches b/run_branches
deleted file mode 120000
index cfa3bcc..0000000
--- a/run_branches
+++ /dev/null
@@ -1 +0,0 @@
-run_branches.pl
\ No newline at end of file
diff --git a/run_branches b/run_branches
new file mode 100755
index 0000000..e837aa9
--- /dev/null
+++ b/run_branches
@@ -0,0 +1,254 @@
+#!/usr/bin/perl
+
+=comment
+
+Copyright (c) 2003-2010, Andrew Dunstan
+
+See accompanying License file for license details
+
+=cut
+
+use vars qw($VERSION); $VERSION = 'REL_0.1';
+
+use strict;
+use warnings;
+use Fcntl qw(:flock :seek);
+use EximBuild::Options;
+use File::Basename;
+
+if ($0 =~ /(.*)\.pl$/) {
+    die "$0: Please use `@{[join ' ' => $1, @ARGV]}' instead.\n"
+        if -t;
+    exec $1, @ARGV;
+}
+
+my %branch_last;
+sub branch_last_sort;
+
+my $run_build;
+($run_build = $0) =~ s/run_branches/run_build/;
+
+my($run_all, $run_one);
+my %extra_options =(
+    'run-all' => \$run_all,
+    'run-one' => \$run_one,
+);
+
+# process the command line
+EximBuild::Options::fetch_options(%extra_options);
+
+# no non-option args allowed here
+die("$0: non-option arguments not permitted")
+  if @ARGV;
+
+die "only one of --run-all and --run-one permitted"
+  if ($run_all && $run_one);
+
+die "need one of --run-all and --run-one"
+  unless ($run_all || $run_one);
+
+# common mistake
+die "need group searchable homedir"
+  unless (stat($ENV{HOME}) & 0550 == 0550);
+
+# set up a "branch" variable for processing the config file
+use vars qw($branch);
+$branch = 'global';
+
+#
+# process config file
+#
+require $buildconf;
+
+unless (
+    (
+        ref $EximBuild::conf{branches_to_build} eq 'ARRAY'
+        &&@{$EximBuild::conf{branches_to_build}}
+    )
+    ||$EximBuild::conf{branches_to_build} =~
+    /^(ALL|HEAD_PLUS_LATEST|HEAD_PLUS_LATEST2)$/
+  )
+{
+    die "no branches_to_build specified in $buildconf";
+}
+
+my @branches;
+if (ref $EximBuild::conf{branches_to_build})
+{
+    @branches = @{$EximBuild::conf{branches_to_build}};
+}
+elsif ($EximBuild::conf{branches_to_build} =~
+    /^(ALL|HEAD_PLUS_LATEST|HEAD_PLUS_LATEST2)$/ )
+{
+
+    # Need to set the path here so we make sure we pick up the right perl.
+    # It has to be the perl that the build script would choose
+    # i.e. specially *not* the MinGW SDK perl that is invoked for the
+    # build script, which means we need to put the path back the way it was
+    # when we're done
+    my $save_path = $ENV{PATH};
+    $ENV{PATH} = $EximBuild::conf{build_env}->{PATH}
+      if ($EximBuild::conf{build_env}->{PATH});
+    (my $url = $EximBuild::conf{target}) =~s/cgi-bin.*/branches_of_interest.txt/;
+    my $branches_of_interest = `perl -MLWP::Simple -e "getprint(q{$url})"`;
+    die "getting branches of interest" unless $branches_of_interest;
+    $ENV{PATH} = $save_path;
+    push(@branches,$_)foreach (split(/\s+/,$branches_of_interest));
+    #splice(@branches,0,-2)
+    #  if $EximBuild::conf{branches_to_build} eq 'HEAD_PLUS_LATEST';
+    #splice(@branches,0,-3)
+    #  if $EximBuild::conf{branches_to_build} eq 'HEAD_PLUS_LATEST2';
+}
+
+@branches = apply_throttle(@branches);
+
+my $global_lock_dir =
+    $EximBuild::conf{global_lock_dir}
+  ||$EximBuild::conf{build_root}
+  ||'';
+
+unless ($global_lock_dir && -d $global_lock_dir)
+{
+    die "no global lock directory: $global_lock_dir";
+}
+
+# acquire the lock
+
+my $lockfile;
+
+my $lockfilename = "$global_lock_dir/GLOBAL.lck";
+
+open($lockfile, ">$lockfilename") || die "opening lockfile: $!";
+
+if ( !flock($lockfile,LOCK_EX|LOCK_NB) )
+{
+    print "Another process holds the lock on " ."$lockfilename. Exiting.\n"
+      if ($verbose);
+    exit(0);
+}
+
+if ($run_all)
+{
+    foreach my $brnch(@branches)
+    {
+        run_branch($brnch);
+    }
+}
+elsif ($run_one)
+{
+
+    # sort the branches by the order in which they last did actual work
+    # then try running them in that order until one does some work
+
+    %branch_last = map {$_ => find_last_status($_)} @branches;
+    foreach my $brnch(sort branch_last_sort @branches)
+    {
+        run_branch($brnch);
+        my $new_status = find_last_status($brnch);
+        last if $new_status != $branch_last{$brnch};
+    }
+}
+
+exit 0;
+
+##########################################################
+
+sub run_branch
+{
+    my $branch = shift;
+    my @args = ($run_build,EximBuild::Options::standard_option_list(), $branch);
+
+    # Explicitly use perl from the path (and not this perl, so don't use $^X)
+    # This script needs to run on Cygwin with non-cygwin perl if it's running
+    # in tandem with AS/MinGW perl, since Cygwin perl doesn't honor locks
+    # the samne way, and the global lock fails. But the build script needs
+    # to run with the native perl, even on Cygwin, which it picks up from
+    # the path. (Head exploding yet?).
+    system("perl",@args);
+}
+
+sub branch_last_sort
+{
+    return $branch_last{$a} <=> $branch_last{$b};
+}
+
+sub find_last_status
+{
+    my $brnch = shift;
+    my $status_file =
+      "$EximBuild::conf{build_root}/$brnch/$EximBuild::conf{animal}.last.status";
+    return 0 unless (-e  $status_file);
+    my $handle;
+    open($handle,$status_file) || dir $!;
+    my $ts = <$handle>;
+    chomp $ts;
+    close($handle);
+    return $ts + 0;
+}
+
+sub apply_throttle
+{
+    my @branches = @_;
+    return @branches unless exists $EximBuild::conf{throttle};
+    my @result;
+    my %throttle = %{$EximBuild::conf{throttle}};
+
+    # implement throttle keywords ALL !HEAD and !RECENT
+    my @candidates;
+    my $replacement;
+    if (exists $throttle{ALL})
+    {
+        @candidates = @branches;
+        $replacement = $throttle{ALL};
+    }
+    elsif (exists  $throttle{'!HEAD'})
+    {
+        @candidates = grep { $_ ne 'HEAD' } @branches;
+        $replacement = $throttle{'!HEAD'};
+    }
+    elsif (exists  $throttle{'!RECENT'})
+    {
+
+        # sort branches, make sure we get numeric major version sorting right
+        my @stable = grep { $_ ne 'HEAD' } @branches;
+        s/^REL(\d)_/0$1/ foreach (@stable);
+        @stable = sort @stable;
+        s/^REL0/REL/ foreach (@stable);
+        pop @stable; # remove latest
+        @candidates = @stable;
+        $replacement = $throttle{'!RECENT'};
+    }
+    foreach my $cand (@candidates)
+    {
+
+        # only supply this for the branch if there isn't already
+        # a throttle
+        $throttle{$cand} ||= $replacement;
+    }
+
+    # apply throttle filters
+    foreach my $branch(@branches)
+    {
+        my $this_throttle =  $throttle{$branch};
+        unless (defined $this_throttle)
+        {
+            push(@result,$branch);
+            next;
+        }
+        my $minh = $this_throttle->{min_hours_since};
+        my $ts = find_last_status($branch);
+        next
+          if ( $ts
+            && (defined $minh)
+            &&($minh && $minh < ((time - $ts) / 3600.0)));
+        if (exists $this_throttle->{allowed_hours})
+        {
+            my @allowed_hours = split(/,/,$this_throttle->{allowed_hours});
+            my $hour = (localtime(time))[2];
+            next unless grep {$_ == $hour} @allowed_hours;
+        }
+        push(@result,$branch);
+    }
+
+    return @result;
+}
diff --git a/run_branches.pl b/run_branches.pl
deleted file mode 100755
index 2b0e230..0000000
--- a/run_branches.pl
+++ /dev/null
@@ -1,248 +0,0 @@
-#!/usr/bin/perl
-
-=comment
-
-Copyright (c) 2003-2010, Andrew Dunstan
-
-See accompanying License file for license details
-
-=cut 
-
-use vars qw($VERSION); $VERSION = 'REL_0.1';
-
-use strict;
-use warnings;
-use Fcntl qw(:flock :seek);
-use EximBuild::Options;
-use File::Basename;
-
-my %branch_last;
-sub branch_last_sort;
-
-my $run_build;
-($run_build = $0) =~ s/run_branches/run_build/;
-
-my($run_all, $run_one);
-my %extra_options =(
-    'run-all' => \$run_all,
-    'run-one' => \$run_one,
-);
-
-# process the command line
-EximBuild::Options::fetch_options(%extra_options);
-
-# no non-option args allowed here
-die("$0: non-option arguments not permitted")
-  if @ARGV;
-
-die "only one of --run-all and --run-one permitted"
-  if ($run_all && $run_one);
-
-die "need one of --run-all and --run-one"
-  unless ($run_all || $run_one);
-
-# common mistake
-die "need group searchable homedir"
-  unless (stat($ENV{HOME}) & 0550 == 0550);
-
-# set up a "branch" variable for processing the config file
-use vars qw($branch);
-$branch = 'global';
-
-#
-# process config file
-#
-require $buildconf;
-
-unless (
-    (
-        ref $EximBuild::conf{branches_to_build} eq 'ARRAY'
-        &&@{$EximBuild::conf{branches_to_build}}
-    )
-    ||$EximBuild::conf{branches_to_build} =~
-    /^(ALL|HEAD_PLUS_LATEST|HEAD_PLUS_LATEST2)$/
-  )
-{
-    die "no branches_to_build specified in $buildconf";
-}
-
-my @branches;
-if (ref $EximBuild::conf{branches_to_build})
-{
-    @branches = @{$EximBuild::conf{branches_to_build}};
-}
-elsif ($EximBuild::conf{branches_to_build} =~
-    /^(ALL|HEAD_PLUS_LATEST|HEAD_PLUS_LATEST2)$/ )
-{
-
-    # Need to set the path here so we make sure we pick up the right perl.
-    # It has to be the perl that the build script would choose
-    # i.e. specially *not* the MinGW SDK perl that is invoked for the
-    # build script, which means we need to put the path back the way it was
-    # when we're done
-    my $save_path = $ENV{PATH};
-    $ENV{PATH} = $EximBuild::conf{build_env}->{PATH}
-      if ($EximBuild::conf{build_env}->{PATH});
-    (my $url = $EximBuild::conf{target}) =~s/cgi-bin.*/branches_of_interest.txt/;
-    my $branches_of_interest = `perl -MLWP::Simple -e "getprint(q{$url})"`;
-    die "getting branches of interest" unless $branches_of_interest;
-    $ENV{PATH} = $save_path;
-    push(@branches,$_)foreach (split(/\s+/,$branches_of_interest));
-    #splice(@branches,0,-2)
-    #  if $EximBuild::conf{branches_to_build} eq 'HEAD_PLUS_LATEST';
-    #splice(@branches,0,-3)
-    #  if $EximBuild::conf{branches_to_build} eq 'HEAD_PLUS_LATEST2';
-}
-
-@branches = apply_throttle(@branches);
-
-my $global_lock_dir =
-    $EximBuild::conf{global_lock_dir}
-  ||$EximBuild::conf{build_root}
-  ||'';
-
-unless ($global_lock_dir && -d $global_lock_dir)
-{
-    die "no global lock directory: $global_lock_dir";
-}
-
-# acquire the lock
-
-my $lockfile;
-
-my $lockfilename = "$global_lock_dir/GLOBAL.lck";
-
-open($lockfile, ">$lockfilename") || die "opening lockfile: $!";
-
-if ( !flock($lockfile,LOCK_EX|LOCK_NB) )
-{
-    print "Another process holds the lock on " ."$lockfilename. Exiting.\n"
-      if ($verbose);
-    exit(0);
-}
-
-if ($run_all)
-{
-    foreach my $brnch(@branches)
-    {
-        run_branch($brnch);
-    }
-}
-elsif ($run_one)
-{
-
-    # sort the branches by the order in which they last did actual work
-    # then try running them in that order until one does some work
-
-    %branch_last = map {$_ => find_last_status($_)} @branches;
-    foreach my $brnch(sort branch_last_sort @branches)
-    {
-        run_branch($brnch);
-        my $new_status = find_last_status($brnch);
-        last if $new_status != $branch_last{$brnch};
-    }
-}
-
-exit 0;
-
-##########################################################
-
-sub run_branch
-{
-    my $branch = shift;
-    my @args = ($run_build,EximBuild::Options::standard_option_list(), $branch);
-
-    # Explicitly use perl from the path (and not this perl, so don't use $^X)
-    # This script needs to run on Cygwin with non-cygwin perl if it's running
-    # in tandem with AS/MinGW perl, since Cygwin perl doesn't honor locks
-    # the samne way, and the global lock fails. But the build script needs
-    # to run with the native perl, even on Cygwin, which it picks up from
-    # the path. (Head exploding yet?).
-    system("perl",@args);
-}
-
-sub branch_last_sort
-{
-    return $branch_last{$a} <=> $branch_last{$b};
-}
-
-sub find_last_status
-{
-    my $brnch = shift;
-    my $status_file =
-      "$EximBuild::conf{build_root}/$brnch/$EximBuild::conf{animal}.last.status";
-    return 0 unless (-e  $status_file);
-    my $handle;
-    open($handle,$status_file) || dir $!;
-    my $ts = <$handle>;
-    chomp $ts;
-    close($handle);
-    return $ts + 0;
-}
-
-sub apply_throttle
-{
-    my @branches = @_;
-    return @branches unless exists $EximBuild::conf{throttle};
-    my @result;
-    my %throttle = %{$EximBuild::conf{throttle}};
-
-    # implement throttle keywords ALL !HEAD and !RECENT
-    my @candidates;
-    my $replacement;
-    if (exists $throttle{ALL})
-    {
-        @candidates = @branches;
-        $replacement = $throttle{ALL};
-    }
-    elsif (exists  $throttle{'!HEAD'})
-    {
-        @candidates = grep { $_ ne 'HEAD' } @branches;
-        $replacement = $throttle{'!HEAD'};
-    }
-    elsif (exists  $throttle{'!RECENT'})
-    {
-
-        # sort branches, make sure we get numeric major version sorting right
-        my @stable = grep { $_ ne 'HEAD' } @branches;
-        s/^REL(\d)_/0$1/ foreach (@stable);
-        @stable = sort @stable;
-        s/^REL0/REL/ foreach (@stable);
-        pop @stable; # remove latest
-        @candidates = @stable;
-        $replacement = $throttle{'!RECENT'};
-    }
-    foreach my $cand (@candidates)
-    {
-
-        # only supply this for the branch if there isn't already
-        # a throttle
-        $throttle{$cand} ||= $replacement;
-    }
-
-    # apply throttle filters
-    foreach my $branch(@branches)
-    {
-        my $this_throttle =  $throttle{$branch};
-        unless (defined $this_throttle)
-        {
-            push(@result,$branch);
-            next;
-        }
-        my $minh = $this_throttle->{min_hours_since};
-        my $ts = find_last_status($branch);
-        next
-          if ( $ts
-            && (defined $minh)
-            &&($minh && $minh < ((time - $ts) / 3600.0)));
-        if (exists $this_throttle->{allowed_hours})
-        {
-            my @allowed_hours = split(/,/,$this_throttle->{allowed_hours});
-            my $hour = (localtime(time))[2];
-            next unless grep {$_ == $hour} @allowed_hours;
-        }
-        push(@result,$branch);
-    }
-
-    return @result;
-}
diff --git a/run_branches.pl b/run_branches.pl
new file mode 120000
index 0000000..022fd6b
--- /dev/null
+++ b/run_branches.pl
@@ -0,0 +1 @@
+run_branches
\ No newline at end of file
diff --git a/run_build b/run_build
deleted file mode 120000
index 59b4a19..0000000
--- a/run_build
+++ /dev/null
@@ -1 +0,0 @@
-run_build.pl
\ No newline at end of file
diff --git a/run_build b/run_build
new file mode 100755
index 0000000..e8ec50a
--- /dev/null
+++ b/run_build
@@ -0,0 +1,1466 @@
+#!/usr/bin/perl
+
+=comment
+
+Copyright (c) 2003-2010, Andrew Dunstan
+
+See accompanying License file for license details
+
+=cut
+
+####################################################
+
+=comment
+
+ NAME: run_build - script to run exim buildfarm
+
+ SYNOPSIS:
+
+  run_build [option ...] [branchname]
+
+ AUTHOR: Andrew Dunstan
+
+ DOCUMENTATION:
+
+  See http://wiki.exim.org/wiki/PostgreSQL_Buildfarm_Howto
+
+ REPOSITORY:
+
+  https://github.com/EximBuildFarm/client-code
+
+=cut
+
+###################################################
+
+use vars qw($VERSION); $VERSION = 'REL_0.1';
+
+use strict;
+use warnings;
+use Config;
+use Fcntl qw(:flock :seek);
+use File::Path;
+use File::Copy;
+use File::Basename;
+use File::Temp;
+use File::Spec;
+use IO::Handle;
+use POSIX qw(:signal_h strftime);
+use Data::Dumper;
+use Cwd qw(abs_path getcwd);
+use File::Find ();
+
+# save a copy of the original enviroment for reporting
+# save it early to reduce the risk of prior mangling
+use vars qw($orig_env);
+
+BEGIN
+{
+    $orig_env = {};
+    while (my ($k,$v) = each %ENV)
+    {
+
+        # report all the keys but only values for whitelisted settings
+        # this is to stop leaking of things like passwords
+        $orig_env->{$k} =(
+            (
+                    $k =~ /^PG(?!PASSWORD)|MAKE|CC|CPP|FLAG|LIBRAR|INCLUDE/
+                  ||$k =~/^(HOME|LOGNAME|USER|PATH|SHELL)$/
+            )
+            ? $v
+            : 'xxxxxx'
+        );
+    }
+}
+
+use EximBuild::SCM;
+use EximBuild::Options;
+use EximBuild::WebTxn;
+
+if ($0 =~ /(.*)\.pl$/) {
+    die "$0: Please use `@{[join ' ' => $1, @ARGV]}' instead.\n"
+	if -t;
+    exec $1, @ARGV;
+}
+
+
+my %module_hooks;
+my $orig_dir = getcwd();
+push @INC, $orig_dir;
+
+# make sure we exit nicely on any normal interrupt
+# so the cleanup handler gets called.
+# that lets us stop the db if it's running and
+# remove the inst and exim directories
+# so the next run can start clean.
+
+foreach my $sig (qw(INT TERM HUP QUIT))
+{
+    $SIG{$sig}=\&interrupt_exit;
+}
+
+# copy command line before processing - so we can later report it
+# unmunged
+
+my @invocation_args = (@ARGV);
+
+# process the command line
+EximBuild::Options::fetch_options();
+
+die "only one of --from-source and --from-source-clean allowed"
+  if ($from_source && $from_source_clean);
+
+die "only one of --skip-steps and --only-steps allowed"
+  if ($skip_steps && $only_steps);
+
+$verbose=1 if (defined($verbose) && $verbose==0);
+$verbose ||= 0; # stop complaints about undefined var in numeric comparison
+
+if ($testmode)
+{
+    $verbose=1 unless $verbose;
+    $forcerun = 1;
+    $nostatus = 1;
+    $nosend = 1;
+
+}
+
+use vars qw(%skip_steps %only_steps);
+$skip_steps ||= "";
+if ($skip_steps =~ /\S/)
+{
+    %skip_steps = map {$_ => 1} split(/\s+/,$skip_steps);
+}
+$only_steps ||= "";
+if ($only_steps =~ /\S/)
+{
+    %only_steps = map {$_ => 1} split(/(\s+|[:,])/,$only_steps);
+}
+
+# Currently only specifying a branch is actually used.
+# Specifying a different repo is just a wishlist item .
+use vars qw($branch $repo);
+my ($arg1,$arg2) = (shift,shift);
+$branch = $arg2 ? $arg2 :
+          $arg1 ? $arg1 :
+          'HEAD';
+$repo = $arg2 ? $arg1 : 'exim';
+my $explicit_branch = $branch;
+
+print_help() if ($help);
+
+#
+# process config file
+#
+require $buildconf;
+
+# get the config data into some local variables
+my (
+    $buildroot,$target,$animal, $print_success,
+    $aux_path,$trigger_exclude,$trigger_include,$secret,
+    $keep_errs,$force_every, $make, $optional_steps,
+    $use_vpath,$tar_log_cmd, $using_msvc, $extra_config,
+    $make_jobs, $core_file_glob
+  )
+  =@EximBuild::conf{
+    qw(build_root target animal print_success aux_path trigger_exclude
+      trigger_include secret keep_error_builds force_every make optional_steps
+      use_vpath tar_log_cmd using_msvc extra_config make_jobs core_file_glob)
+  };
+
+#default is no parallel build
+$make_jobs ||= 1;
+
+# default core file pattern is Linux, which used to be hardcoded
+$core_file_glob ||= 'core*';
+
+# legacy name
+if (defined($EximBuild::conf{trigger_filter}))
+{
+    $trigger_exclude = $EximBuild::conf{trigger_filter};
+}
+
+my  $scm_timeout_secs = $EximBuild::conf{scm_timeout_secs}
+  || $EximBuild::conf{cvs_timeout_secs};
+
+print scalar(localtime()),": buildfarm run for $animal:$branch starting\n"
+  if $verbose;
+
+# Allow commandline overrides of conf variables
+foreach my $arg ( @{$EximBuild::Options::overrides} )
+{
+  if (my ($key,$val) = split '=', $arg)
+  {
+    $EximBuild::conf{$key} = $val;
+    printf "Commandline override: '$key' = '%s'\n", $EximBuild::conf{$key}
+      if $verbose;
+  }
+}
+
+if (ref($force_every) eq 'HASH')
+{
+    $force_every = $force_every->{$branch} || $force_every->{default};
+}
+
+my $scm = new EximBuild::SCM \%EximBuild::conf;
+
+my $buildport;
+
+if (exists $EximBuild::conf{base_port})
+{
+    $buildport = $EximBuild::conf{base_port};
+    if ($branch =~ /REL(\d+)_(\d+)/)
+    {
+        $buildport += (10 * ($1 - 7)) + $2;
+    }
+}
+else
+{
+
+    # support for legacy config style
+    $buildport = $EximBuild::conf{branch_ports}->{$branch} || 5999;
+}
+
+$ENV{EXTRA_REGRESS_OPTS} = "--port=$buildport";
+
+$tar_log_cmd ||= "tar -z -cf runlogs.tgz *.log";
+
+my $logdirname = "lastrun-logs";
+
+if ($from_source || $from_source_clean)
+{
+    $from_source ||= $from_source_clean;
+    die "sourceroot $from_source not absolute"
+      unless $from_source =~ m!^/!;
+
+    # we need to know where the lock should go, so unless the path
+    # contains HEAD we require it to be specified.
+    die "must specify branch explicitly with from_source"
+      unless ($explicit_branch || $from_source =~ m!/HEAD/!);
+    $verbose ||= 1;
+    $nosend=1;
+    $nostatus=1;
+    $use_vpath = undef;
+    $logdirname = "fromsource-logs";
+}
+
+my @locales;
+if ($branch eq 'HEAD' || $branch ge 'REL8_4')
+{
+
+    # non-C locales are not regression-safe before 8.4
+    @locales = @{$EximBuild::conf{locales}} if exists $EximBuild::conf{locales};
+}
+unshift(@locales,'C') unless grep {$_ eq "C"} @locales;
+
+# sanity checks
+# several people have run into these
+
+if ( `uname -s 2>&1 ` =~ /CYGWIN/i )
+{
+    my @procs = `ps -ef`;
+    die "cygserver not running" unless(grep {/cygserver/} @procs);
+}
+my $ccachedir;
+if ( $ccachedir = $EximBuild::conf{build_env}->{CCACHE_DIR} )
+{
+
+    # ccache is smart enough to create what you tell it is the cache dir, but
+    # not smart enough to build the whole path. mkpath croaks on error, so
+    # we just let it.
+
+    mkpath $ccachedir;
+    $ccachedir = abs_path($ccachedir);
+}
+
+if ($^V lt v5.8.0)
+{
+    die "no aux_path in config file" unless $aux_path;
+}
+
+die "cannot run as root/Administrator" unless ($using_msvc or $> > 0);
+
+my $devnull = $using_msvc ? "nul" : "/dev/null";
+
+if (!$from_source)
+{
+    $scm->check_access($using_msvc);
+}
+
+my $st_prefix = "$animal.";
+
+my $exim = $from_source  || $scm->get_build_path($use_vpath);
+
+# set environment from config
+while (my ($envkey,$envval) = each %{$EximBuild::conf{build_env}})
+{
+    $ENV{$envkey}=$envval;
+}
+
+# change to buildroot for this branch or die
+die "no buildroot" unless $buildroot;
+
+unless ($buildroot =~ m!^/!
+    or($using_msvc and $buildroot =~ m![a-z]:[/\\]!i ))
+{
+    die "buildroot $buildroot not absolute";
+}
+
+die "$buildroot does not exist or is not a directory" unless -d $buildroot;
+
+chdir $buildroot || die "chdir to $buildroot: $!";
+
+mkdir $branch unless -d $branch;
+chdir $branch || die "chdir to $buildroot/$branch";
+
+# rename legacy status files/directories
+foreach my $oldfile (glob("last*"))
+{
+    move $oldfile, "$st_prefix$oldfile";
+}
+
+my $branch_root = getcwd();
+
+# Normally we would require GNU Make, but allow farm
+# configuration to override this
+die "$make is not GNU Make - please fix config file"
+  unless check_make();
+
+# set up modules
+foreach my $module (@{$EximBuild::conf{modules}})
+{
+
+    # fill in the name of the module here, so use double quotes
+    # so everything BUT the module name needs to be escaped
+    my $str = qq!
+         require EximBuild::Modules::$module;
+         EximBuild::Modules::${module}::setup(
+              \$buildroot,
+              \$branch,
+              \\\%EximBuild::conf,
+              \$exim);
+    !;
+    eval $str;
+
+    # make errors fatal
+    die $@ if $@;
+}
+
+# acquire the lock
+
+my $lockfile;
+my $have_lock;
+
+open($lockfile, ">builder.LCK") || die "opening lockfile: $!";
+
+# only one builder at a time allowed per branch
+# having another build running is not a failure, and so we do not output
+# a failure message under this condition.
+if ($from_source)
+{
+    die "acquiring lock in $buildroot/$branch/builder.LCK"
+      unless flock($lockfile,LOCK_EX|LOCK_NB);
+}
+elsif ( !flock($lockfile,LOCK_EX|LOCK_NB) )
+{
+    print "Another process holds the lock on "
+      ."$buildroot/$branch/builder.LCK. Exiting."
+      if ($verbose);
+    exit(0);
+}
+
+die "$buildroot/$branch has $exim or inst directories!"
+  if ((!$from_source && -d $exim) || -d "inst");
+
+# we are OK to run if we get here
+$have_lock = 1;
+
+# check if file present for forced run
+my $forcefile = $st_prefix . "force-one-run";
+if (-e $forcefile)
+{
+    $forcerun = 1;
+    unlink $forcefile;
+}
+
+# try to allow core files to be produced.
+# another way would be for the calling environment
+# to call ulimit. We do this in an eval so failure is
+# not fatal.
+eval{
+    require BSD::Resource;
+    BSD::Resource->import();
+
+    # explicit sub calls here. using & keeps compiler happy
+    my $coreok = setrlimit(&RLIMIT_CORE,&RLIM_INFINITY,&RLIM_INFINITY);
+    die "setrlimit" unless $coreok;
+};
+warn "failed to unlimit core size: $@" if $@ && $verbose > 1;
+
+# the time we take the snapshot
+my $now=time;
+my $installdir = "$buildroot/$branch/inst";
+my $dbstarted;
+
+my $extraconf;
+
+# cleanup handler for all exits
+END
+{
+
+    # clean up temp file
+    unlink $ENV{TEMP_CONFIG} if $extraconf;
+
+    # if we have the lock we must already be in the build root, so
+    # removing things there should be safe.
+    # there should only be anything to cleanup if we didn't have
+    # success.
+    if ( $have_lock && -d "$exim")
+    {
+        if ($dbstarted)
+        {
+            chdir $installdir;
+            system(qq{"bin/pg_ctl" -D data stop >$devnull 2>&1});
+            foreach my $loc (@locales)
+            {
+                next unless -d "data-$loc";
+                system(qq{"bin/pg_ctl" -D "data-$loc" stop >$devnull 2>&1});
+            }
+            chdir $branch_root;
+        }
+        if ( !$from_source && $keep_errs)
+        {
+            print "moving kept error trees\n" if $verbose;
+            my $timestr = strftime "%Y-%m-%d_%H-%M-%S", localtime($now);
+            unless (move("$exim", "eximkeep.$timestr"))
+            {
+                print "error renaming '$exim' to 'eximkeep.$timestr': $!";
+            }
+            if (-d "inst")
+            {
+                unless(move("inst", "instkeep.$timestr"))
+                {
+                    print "error renaming 'inst' to 'instkeep.$timestr': $!";
+                }
+            }
+        }
+        else
+        {
+            rmtree("inst") unless $keepall;
+            rmtree("$exim") unless ($from_source || $keepall);
+        }
+
+        # only keep the cache in cases of success
+        rmtree("$ccachedir") if $ccachedir;
+    }
+
+    # get the modules to clean up after themselves
+    process_module_hooks('cleanup');
+
+    if ($have_lock)
+    {
+        if ($use_vpath)
+        {
+
+            # vpath builds leave some stuff lying around in the
+            # source dir, unfortunately. This should clean it up.
+            $scm->cleanup();
+        }
+        close($lockfile);
+        unlink("builder.LCK");
+    }
+}
+
+# Prepend the DEFAULT settings (if any) to any settings for the
+# branch. Since we're mangling this, deep clone $extra_config
+# so the config object is kept as given. This is done using
+# Dumper() because the MSys DTK perl doesn't have Storable. This
+# is less efficient but it hardly matters here for this shallow
+# structure.
+
+$extra_config = eval Dumper($extra_config);
+
+if ($extra_config &&  $extra_config->{DEFAULT})
+{
+    if (!exists  $extra_config->{$branch})
+    {
+        $extra_config->{$branch} = 	$extra_config->{DEFAULT};
+    }
+    else
+    {
+        unshift(@{$extra_config->{$branch}}, @{$extra_config->{DEFAULT}});
+    }
+}
+
+if ($extra_config && $extra_config->{$branch})
+{
+    my $tmpname;
+    ($extraconf,$tmpname) =File::Temp::tempfile(
+        'buildfarm-XXXXXX',
+        DIR => File::Spec->tmpdir(),
+        UNLINK => 1
+    );
+    die 'no $tmpname!' unless $tmpname;
+    $ENV{TEMP_CONFIG} = $tmpname;
+    foreach my $line (@{$extra_config->{$branch}})
+    {
+        print $extraconf "$line\n";
+    }
+    autoflush $extraconf 1;
+}
+
+use vars qw($steps_completed);
+$steps_completed = "";
+
+my @changed_files;
+my @changed_since_success;
+my $last_config;
+my $last_status;
+my $last_run_snap;
+my $last_success_snap;
+my $current_config;
+my $current_snap;
+my @filtered_files;
+my $savescmlog = "";
+
+if ($from_source_clean)
+{
+    print time_str(),"cleaning source in $exim ...\n";
+    clean_from_source();
+}
+elsif (!$from_source)
+{
+
+    # see if we need to run the tests (i.e. if either something has changed or
+    # we have gone over the force_every heartbeat time)
+
+    print time_str(),"checking out source ...\n" if $verbose;
+
+    my $timeout_pid;
+
+    $timeout_pid = spawn(\&scm_timeout,$scm_timeout_secs)
+      if $scm_timeout_secs;
+
+    $savescmlog = $scm->checkout($branch);
+    $steps_completed = "SCM-checkout";
+
+    process_module_hooks('checkout',$savescmlog);
+
+    if ($timeout_pid)
+    {
+
+        # don't kill me, I finished in time
+        if (kill(SIGTERM, $timeout_pid))
+        {
+
+            # reap the zombie
+            waitpid($timeout_pid,0);
+        }
+    }
+
+    print time_str(),"checking if build run needed ...\n" if $verbose;
+
+    # transition to new time processing
+    unlink "last.success";
+
+    # get the timestamp data
+    $last_config = find_last('config') || 0;
+    $last_status = find_last('status') || 0;
+    $last_run_snap = find_last('run.snap');
+    $last_success_snap = find_last('success.snap');
+    $forcerun = 1 unless (defined($last_run_snap));
+
+    # If config file changed, force a rebuild
+    ($current_config) = (stat $orig_dir.'/'.$buildconf)[9];
+    if (defined $current_config && $current_config > $last_config)
+    {
+      $last_status = 0;
+      set_last('config',$current_config) unless $nostatus;
+    }
+
+    # updated by find_changed to last mtime of any file in the repo
+    $current_snap=0;
+
+    # see if we need to force a build
+    $last_status = 0
+      if ( $last_status
+        && $force_every
+        &&$last_status+($force_every*3600) < $now);
+    $last_status = 0 if $forcerun;
+
+    # see what's changed since the last time we did work
+    $scm->find_changed(\$current_snap,$last_run_snap, $last_success_snap,
+        \@changed_files,\@changed_since_success);
+
+    #ignore changes to files specified by the trigger exclude filter, if any
+    if (defined($trigger_exclude))
+    {
+        @filtered_files = grep { !m[$trigger_exclude] } @changed_files;
+    }
+    else
+    {
+        @filtered_files = @changed_files;
+    }
+
+    #ignore changes to files NOT specified by the trigger include filter, if any
+    if (defined($trigger_include))
+    {
+        @filtered_files = grep { m[$trigger_include] } @filtered_files;
+    }
+
+    my $modules_need_run;
+
+    process_module_hooks('need-run',\$modules_need_run);
+
+    # if no build required do nothing
+    if ($last_status && !@filtered_files && !$modules_need_run)
+    {
+        print time_str(),
+          "No build required: last status = ",scalar(gmtime($last_status)),
+          " GMT, current snapshot = ",scalar(gmtime($current_snap))," GMT,",
+          " changed files = ",scalar(@filtered_files),"\n"
+          if $verbose;
+        rmtree("$exim");
+        exit 0;
+    }
+
+    # get version info on both changed files sets
+    # XXX modules support?
+
+    $scm->get_versions(\@changed_files);
+    $scm->get_versions(\@changed_since_success);
+
+} # end of unless ($from_source)
+
+cleanlogs();
+
+writelog('SCM-checkout',$savescmlog) unless $from_source;
+$scm->log_id() unless $from_source;
+
+# copy/create according to vpath/scm settings
+
+if ($use_vpath)
+{
+    print time_str(),"creating vpath build dir $exim ...\n" if $verbose;
+    mkdir $exim || die "making $exim: $!";
+}
+elsif (!$from_source && $scm->copy_source_required())
+{
+    print time_str(),"copying source to $exim ...\n" if $verbose;
+
+    $scm->copy_source($using_msvc);
+}
+
+process_module_hooks('setup-target');
+
+# start working
+
+set_last('status',$now) unless $nostatus;
+set_last('run.snap',$current_snap) unless $nostatus;
+
+my $started_times = 0;
+print time_str(),"running configure ...\n" if $verbose;
+
+# each of these routines will call send_result, which calls exit,
+# on any error, so each step depends on success in the previous
+# steps.
+configure();
+
+make();
+
+display_features();
+
+make_test() if (check_optional_step('test'));
+
+make_doc() if (check_optional_step('make-doc'));
+
+##check_port_is_ok($buildport,'Post');
+
+# if we get here everything went fine ...
+
+my $saved_config = get_config_summary();
+
+rmtree("inst"); # only keep failures
+rmtree("$exim") unless ($from_source || $keepall);
+
+print(time_str(),"OK\n") if $verbose;
+
+send_result("OK");
+
+exit;
+
+############## end of main program ###########################
+
+sub print_help
+{
+    print qq!
+usage: $0 [options] [branch]
+
+ where options are one or more of:
+
+  --nosend                  = don't send results
+  --nostatus                = don't set status files
+  --force                   = force a build run (ignore status files)
+  --from-source=/path       = use source in path, not from SCM
+  or
+  --from-source-clean=/path = same as --from-source, run make distclean first
+  --config=/path/to/file    = alternative location for config file
+  --keepall                 = keep directories if an error occurs
+  --verbose[=n]             = verbosity (default 1) 2 or more = huge output.
+  --quiet                   = suppress normal error message
+  --test                    = short for --nosend --nostatus --verbose --force
+  --skip-steps=list         = skip certain steps
+  --only-steps=list         = only do certain steps, not allowed with skip-steps
+                              lists can be comma, colon, or space separated
+
+Default branch is HEAD. Usually only the --config option should be necessary.
+
+!;
+    exit(0);
+}
+
+sub time_str
+{
+    my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) = localtime(time);
+    return sprintf("[%.2d:%.2d:%.2d] ",$hour, $min, $sec);
+}
+
+sub step_wanted
+{
+    my $step = shift;
+    return $only_steps{$step} if $only_steps;
+    return !$skip_steps{$step} if $skip_steps;
+    return 1; # default is everything is wanted
+}
+
+sub register_module_hooks
+{
+    my $who = shift;
+    my $what = shift;
+    while (my ($hook,$func) = each %$what)
+    {
+        $module_hooks{$hook} ||= [];
+        push(@{$module_hooks{$hook}},[$func,$who]);
+    }
+}
+
+sub process_module_hooks
+{
+    my $hook = shift;
+
+    # pass remaining args (if any) to module func
+    foreach my $module (@{$module_hooks{$hook}})
+    {
+        my ($func,$module_instance) = @$module;
+        &$func($module_instance, @_);
+    }
+}
+
+sub check_optional_step
+{
+    my $step = shift;
+    my $oconf;
+    my $shandle;
+
+    return undef unless ref($oconf = $optional_steps->{$step});
+    if ($oconf->{branches})
+    {
+        return undef unless grep {$_ eq $branch} @{$oconf->{branches}};
+    }
+
+    my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) =localtime(time);
+    return undef if (exists $oconf->{min_hour} &&  $hour < $oconf->{min_hour});
+    return undef if (exists $oconf->{max_hour} &&  $hour > $oconf->{max_hour});
+    return undef if (exists $oconf->{dow}
+        &&grep {$_ eq $wday} @{$oconf->{dow}});
+
+    my $last_step = $last_status = find_last("$step") || 0;
+    ## If made it *to* these optional steps, we just run them and reset last time
+    #return undef unless ($forcerun ||
+    #                     time >$last_step + (3600 * $oconf->{min_hours_since}));
+    set_last("$step") unless $nostatus;
+
+    return 1;
+}
+
+sub clean_from_source
+{
+    if (-e "$exim/GNUmakefile")
+    {
+
+        # fixme for MSVC
+        my @makeout = `cd $exim && $make distclean 2>&1`;
+        my $status = $? >>8;
+        writelog('distclean',\@makeout);
+        print "======== distclean log ===========\n",@makeout if ($verbose > 1);
+        send_result('distclean',$status,\@makeout) if $status;
+    }
+}
+
+sub interrupt_exit
+{
+    my $signame = shift;
+    print "Exiting on signal $signame\n";
+    exit(1);
+}
+
+sub cleanlogs
+{
+    my $lrname = $st_prefix . $logdirname;
+    rmtree("$lrname");
+    mkdir "$lrname" || die "can't make $lrname dir: $!";
+}
+
+sub writelog
+{
+    my $stage = shift;
+    my $loglines = shift;
+    my $handle;
+    my $lrname = $st_prefix . $logdirname;
+    open($handle,">$lrname/$stage.log") || die $!;
+    print $handle @$loglines;
+    close($handle);
+}
+
+sub display_features
+{
+    return unless step_wanted('features');
+    my @out = `cd $exim
+               src/build-*/exim -C test/confs/0000 -bV `;
+    my $status = $? >>8;
+    writelog('features',\@out);
+    print "======== features log ===========\n",@out if ($verbose > 1);
+    send_result('Features',$status,\@out) if $status;
+    $steps_completed .= " Features";
+}
+
+sub check_make
+{
+    # Allow farm member to configure non-GNU make
+    my $non_gnu_make = $EximBuild::conf{non_gnu_make};
+    if (!defined $non_gnu_make ||
+        (defined $non_gnu_make && $non_gnu_make == 1)) {
+      return 'OK';
+    }
+    my @out = `$make -v 2>&1`;
+    return undef unless ($? == 0 && grep {/GNU Make/} @out);
+    return 'OK';
+}
+
+sub make
+{
+    return unless step_wanted('make');
+    print time_str(),"running make ...\n" if $verbose;
+    my $make_args = join(' ',$EximBuild::conf{make_args});
+    my (@makeout);
+    my $make_cmd = $make;
+    $make_cmd = "$make -j $make_jobs"
+      if ($make_jobs > 1 && ($branch eq 'HEAD' || $branch ge 'REL9_1'));
+    @makeout = `cd $exim/src && $make_cmd $make_args 2>&1`;
+    my $status = $? >>8;
+    writelog('make',\@makeout);
+    print "======== make log ===========\n",@makeout if ($verbose > 1);
+    send_result('Make',$status,\@makeout) if $status;
+    $steps_completed .= " Make";
+}
+
+sub make_doc
+{
+    return unless step_wanted('make-doc');
+    print time_str(),"running make doc ...\n" if $verbose;
+
+    my (@makeout);
+    @makeout = `cd $exim/doc/doc-docbook/ && \
+                EXIM_VER="4.82" $make everything 2>&1`;
+    my $status = $? >>8;
+    writelog('make-doc',\@makeout);
+    print "======== make doc log ===========\n",@makeout if ($verbose > 1);
+    send_result('Doc',$status,\@makeout) if $status;
+    $steps_completed .= " Doc";
+}
+
+sub get_stack_trace
+{
+    my $bindir = shift;
+    my $pgdata = shift;
+
+    # no core = no result
+    my @cores = glob("$pgdata/$core_file_glob");
+    return () unless @cores;
+
+    # no gdb = no result
+    system "gdb --version > $devnull 2>&1";
+    my $status = $? >>8;
+    return () if $status;
+
+    my $cmdfile = "./gdbcmd";
+    my $handle;
+    open($handle, ">$cmdfile");
+    print $handle "bt\n";
+    close($handle);
+
+    my @trace;
+
+    foreach my $core (@cores)
+    {
+        my @onetrace = `gdb -x $cmdfile --batch $bindir/exim $core 2>&1`;
+        push(@trace,
+            "\n\n================== stack trace: $core ==================\n",
+            @onetrace);
+    }
+
+    unlink $cmdfile;
+
+    return @trace;
+}
+
+sub make_install_check
+{
+    my $locale = shift;
+    return unless step_wanted('install-check');
+    print time_str(),"running make installcheck ($locale)...\n" if $verbose;
+
+    my @checklog;
+    unless ($using_msvc)
+    {
+        @checklog = `cd $exim/src/test/regress && $make installcheck 2>&1`;
+    }
+    else
+    {
+        chdir "$exim/src/tools/msvc";
+        @checklog = `perl vcregress.pl installcheck 2>&1`;
+        chdir $branch_root;
+    }
+    my $status = $? >>8;
+    my @logfiles =
+      ("$exim/src/test/regress/regression.diffs","$installdir/logfile");
+    foreach my $logfile(@logfiles)
+    {
+        next unless (-e $logfile );
+        push(@checklog,"\n\n================== $logfile ==================\n");
+        my $handle;
+        open($handle,$logfile);
+        while(<$handle>)
+        {
+            push(@checklog,$_);
+        }
+        close($handle);
+    }
+    if ($status)
+    {
+        my @trace =
+          get_stack_trace("$installdir/bin","$installdir/data-$locale");
+        push(@checklog,@trace);
+    }
+    writelog("install-check-$locale",\@checklog);
+    print "======== make installcheck log ===========\n",@checklog
+      if ($verbose > 1);
+    send_result("InstallCheck-$locale",$status,\@checklog) if $status;
+    $steps_completed .= " InstallCheck-$locale";
+}
+
+sub make_isolation_check
+{
+    my $locale = shift;
+    return unless step_wanted('isolation-check');
+    my @makeout;
+    unless ($using_msvc)
+    {
+        my $cmd =
+          "cd $exim/src/test/isolation && $make NO_LOCALE=1 installcheck";
+        @makeout = `$cmd 2>&1`;
+    }
+    else
+    {
+        chdir "$exim/src/tools/msvc";
+        @makeout = `perl vcregress.pl isolationcheck 2>&1`;
+        chdir $branch_root;
+    }
+
+    my $status = $? >>8;
+
+    # get the log files and the regression diffs
+    my @logs = glob("$exim/src/test/isolation/log/*.log");
+    push(@logs,"$installdir/logfile");
+    unshift(@logs,"$exim/src/test/isolation/regression.diffs")
+      if (-e "$exim/src/test/isolation/regression.diffs");
+    foreach my $logfile (@logs)
+    {
+        push(@makeout,"\n\n================== $logfile ===================\n");
+        my $handle;
+        open($handle,$logfile);
+        while(<$handle>)
+        {
+            push(@makeout,$_);
+        }
+        close($handle);
+    }
+    if ($status)
+    {
+        my @trace =
+          get_stack_trace("$installdir/bin","$installdir/data-$locale");
+        push(@makeout,@trace);
+    }
+    writelog('isolation-check',\@makeout);
+    print "======== make isolation check logs ===========\n",@makeout
+      if ($verbose > 1);
+
+    send_result('IsolationCheck',$status,\@makeout) if $status;
+    $steps_completed .= " IsolationCheck";
+}
+
+sub make_test
+{
+    return unless step_wanted('test');
+    print time_str(),"running make test ...\n" if $verbose;
+    my $tests_range = $EximBuild::conf{range_num_tests} || "1 4";
+    my @makeout;
+    @makeout =`(cd $exim/test
+                autoconf && ./configure && $make )2>&1 `;
+    my $status = $? >>8;
+    unless($status)
+    {
+      my @tmp = `(WORKDIR=\$PWD
+                  cd $exim/test
+                  ./runtest \$WORKDIR/$exim/src/build-*/exim -CONTINUE $tests_range )2>&1`;
+      $status = $? >>8;
+      push @makeout, @tmp;
+      # Prepend the failed summary log outputs for ease of reading
+      my $fail_summary = "$exim/test/failed-summary.log";
+      if (-f $fail_summary)
+      {
+        @tmp = `cat $fail_summary`;
+        push @tmp, "\n";
+        unshift @makeout, @tmp;
+        unshift @makeout, "Summary of failed tests:\n";
+      }
+    }
+    writelog('test',\@makeout);
+    print "======== make test logs ===========\n",@makeout
+      if ($verbose > 1);
+
+    send_result('Test',$status,\@makeout) if $status;
+    $steps_completed .= " Test";
+}
+
+sub make_ecpg_check
+{
+    return unless step_wanted('ecpg-check');
+    my @makeout;
+    my $ecpg_dir = "$exim/src/interfaces/ecpg";
+    if ($using_msvc)
+    {
+        chdir "$exim/src/tools/msvc";
+        @makeout = `perl vcregress.pl ecpgcheck 2>&1`;
+        chdir $branch_root;
+    }
+    else
+    {
+        @makeout = `cd  $ecpg_dir && $make NO_LOCALE=1 check 2>&1`;
+    }
+    my $status = $? >>8;
+
+    # get the log files and the regression diffs
+    my @logs = glob("$ecpg_dir/test/log/*.log");
+    unshift(@logs,"$ecpg_dir/test/regression.diffs")
+      if (-e "$ecpg_dir/test/regression.diffs");
+    foreach my $logfile (@logs)
+    {
+        push(@makeout,"\n\n================== $logfile ===================\n");
+        my $handle;
+        open($handle,$logfile);
+        while(<$handle>)
+        {
+            push(@makeout,$_);
+        }
+        close($handle);
+    }
+    if ($status)
+    {
+        my $base = "$ecpg_dir/test/regress/tmp_check";
+        my @trace =
+          get_stack_trace("$base/install$installdir/bin",	"$base/data");
+        push(@makeout,@trace);
+    }
+    writelog('ecpg-check',\@makeout);
+    print "======== make ecpg check logs ===========\n",@makeout
+      if ($verbose > 1);
+
+    send_result('ECPG-Check',$status,\@makeout) if $status;
+    $steps_completed .= " ECPG-Check";
+}
+
+sub configure
+{
+    return unless step_wanted('configure');
+    print time_str(),"creating configuration ...\n" if $verbose;
+
+    my $env = $EximBuild::conf{makefile_set};
+    my $add = $EximBuild::conf{makefile_add};
+    my $features = $EximBuild::conf{makefile_regex};
+
+    my $envstr = "";
+    while (my ($key,$val) = each %$env)
+    {
+        $envstr .= "$key='$val'\n";
+    }
+    while (my ($key,$val) = each %$add)
+    {
+        $envstr .= "$key+='$val'\n";
+    }
+
+    my $conf_path = "src/src/EDITME";
+    my $local_conf = "src/Local/Makefile";
+    my @confout = `cd $exim; mkdir -p src/Local 2>&1`;
+    my @tmp = `cd $exim && cp $conf_path $local_conf 2>&1`;
+    my $status = $? >> 8;
+    push @confout, @tmp;
+    if ($status == 0)
+    {
+        # First, let's display some directory permissions in case
+        # permissions are causing problems.
+        my @dir = split('/',`pwd`);
+        chomp(@dir);
+        my $count = scalar @dir;
+        my $loop = 1;
+        my $dirs = '';
+        while ($loop < $count)
+        {
+          my $dir = "";
+          foreach my $i (0 .. $loop)
+          {
+            $dir .= $dir[$i].'/';
+          }
+          $dirs .= " $dir";
+          $loop++;
+        }
+        @tmp = `echo "Verify Directory Permissions"
+                ls -ld $dirs`;
+        push @confout, @tmp;
+        # Build the config file from the EDITME template
+        @tmp = `cd $exim && echo '$envstr' >> $local_conf`;
+        push @confout, @tmp;
+        my $exim_user = $EximBuild::conf{master_exim_user} || 'exim';
+        @tmp = `echo "Hardcoded Exim user info:"; id $exim_user
+          cd $exim && perl -pi -e 's/^EXIM_USER=.*/EXIM_USER=$exim_user/' $local_conf`;
+        push @confout, @tmp;
+        my $me = `whoami`; chomp $me;
+        @tmp = `echo "Build Farm user info:"; id $me
+          cd $exim && perl -pi -e 's/^# CONFIGURE_OWNER=\$/CONFIGURE_OWNER=$me/' $local_conf`;
+        push @confout, @tmp;
+        my $testdir = `cd $exim && /bin/pwd`; chomp $testdir; $testdir .= "/test";
+        my $trcf = "$testdir/trusted-configs";
+        my $tecf = "$testdir/test-config";
+        @tmp = `cd $exim && perl -pi -e "s%^# TRUSTED_CONFIG_LIST=.*%TRUSTED_CONFIG_LIST=$trcf%" $local_conf`;
+        push @confout, @tmp;
+        @tmp = `cd $exim && perl -pi -e 's/^# WHITELIST_D_MACROS=.*/WHITELIST_D_MACROS=DIR:EXIM_PATH:AA:ACL:ACLRCPT:ACL_MAIL:ACL_PREDATA:ACL_RCPT:AFFIX:ALLOW:ARG1:ARG2:AUTHF:AUTHS:AUTH_ID_DOMAIN:BAD:BANNER:BB:BR:BRB:CERT:COM:COMMAND_USER:CONNECTCOND:CONTROL:CREQCIP:CREQMAC:CRL:CSS:D6:DATA:DCF:DDF:DEFAULTDWC:DELAY:DETAILS:DRATELIMIT:DYNAMIC_OPTION:ELI:ERROR_DETAILS:ERT:FAKE:FALLBACK:FILTER:FILTER_PREPEND_HOME:FORBID:FORBID_SMTP_CODE:FUSER:HAI:HAP:HARDLIMIT:HEADER_LINE_MAXSIZE:HEADER_MAXSIZE:HELO_MSG:HL:HOSTS:HOSTS_AVOID_TLS:HOSTS_MAX_TRY:HVH:IFACE:IGNORE_QUOTA:INC:INSERT:IP1:IP2:LAST:LDAPSERVERS:LENCHECK:LIMIT:LIST:LOG_SELECTOR:LS:MAXNM:MESSAGE_LOGS:MSIZE:NOTDAEMON:ONCE:ONLY:OPT:OPTION:ORDER:PAH:PEX:PORT:PTBC:QDG:QOLL:QUOTA:QUOTA_FILECOUNT:QWM:RCPT_MSG:REMEMBER:REQUIRE:RETRY:RETRY1:RETRY2:RETURN:RETURN_ERROR_DETAILS:REWRITE:ROUTE_DATA:RRATELIMIT:RT:S:SELECTOR:SELF:SERVER:SERVERS:SREQCIP:SREQMAC:SRV:STD:STRICT:SUB:SUBMISSION_OPTIONS:TIMEOUTDEFER:TIMES:TRUSTED:TRYCLEAR:UL:USE_SENDER:UTF8:VALUE:WMF:X:Y/' $local_conf`;
+        push @confout, @tmp;
+        @tmp = `cd $exim && perl -pi -e 's/^EXIM_MONITOR=(.*)/# EXIM_MONITOR=\$1/' $local_conf`;
+        push @confout, @tmp;
+        for my $regex ( @$features )
+        {
+            @tmp = `cd $exim
+                    perl -pi -e '$regex' $local_conf 2>&1
+                    echo "Used regex: $regex" `;
+            push @confout, @tmp;
+        }
+        # Add the final build file to the display output
+        @tmp = `cd $exim
+                echo
+                echo "Contents of Local/Makefile:"
+                egrep '^[^#]' $local_conf `;
+        push @confout, @tmp;
+        # Build the config_opts array to send to the server
+        chomp @tmp;
+        my @config_opts = grep s/(?:LOOKUP_|EXPERIMENTAL_|USE_)(\S+)=.*/$1/,
+                          @tmp;
+        push @config_opts, grep s/^(?:EXIM_)(PERL|PYTHON)=.*/$1/,
+                           @tmp;
+        # OpenSSL doesn't have a specific USE flag
+        push @config_opts, grep s/^(TLS_LIBS.*-l(ssl|crypto)).*/OPENSSL/,
+                           @tmp;
+        $EximBuild::conf{config_opts} = \@config_opts;
+
+        # Does not matter what the Exim version is, as long as it is valid.
+        my $exim_ver = $EximBuild::conf{exim_test_version} || '4.82';
+        `cd $exim
+         echo 'EXIM_RELEASE_VERSION="$exim_ver"' > src/src/version.sh
+         echo 'EXIM_VARIANT_VERSION=""' >> src/src/version.sh
+         echo 'EXIM_COMPILE_NUMBER="0"' >> src/src/version.sh`;
+
+        # Create a trusted-configs list file
+        @tmp = `cd $exim && echo "$tecf" > "$trcf"`;
+        push @confout, @tmp;
+    }
+
+    print "======== configure output ===========\n",@confout
+      if ($verbose > 1);
+
+    writelog('configure',\@confout);
+
+    if ($status)
+    {
+        send_result('Configure',$status,\@confout);
+    }
+
+    $steps_completed .= " Configure";
+}
+
+sub find_last
+{
+    my $which = shift;
+    my $stname = $st_prefix . "last.$which";
+    my $handle;
+    open($handle,$stname) or return undef;
+    my $time = <$handle>;
+    close($handle);
+    chomp $time;
+    return $time + 0;
+}
+
+sub set_last
+{
+    my $which = shift;
+    my $stname = $st_prefix . "last.$which";
+    my $st_now = shift || time;
+    my $handle;
+    open($handle,">$stname") or die "opening $stname: $!";
+    print $handle "$st_now\n";
+    close($handle);
+}
+
+sub send_result
+{
+
+    # clean up temp file
+    $extraconf = undef;
+
+    my $stage = shift;
+
+    my $ts = $now || time;
+    my $status=shift || 0;
+    my $log = shift || [];
+    print "======== log passed to send_result ===========\n",@$log
+      if ($verbose > 1);
+
+    unshift(@$log,
+        "Last file mtime in snapshot: ",
+        scalar(gmtime($current_snap)),
+        " GMT\n","===================================================\n")
+      unless ($from_source || !$current_snap);
+
+    my $log_data = join("",@$log);
+    my $confsum = "";
+    my $changed_this_run = "";
+    my $changed_since_success = "";
+    $changed_this_run = join("!",@changed_files)
+      if @changed_files;
+    $changed_since_success = join("!",@changed_since_success)
+      if ($stage ne 'OK' && @changed_since_success);
+
+    if ($stage eq 'OK')
+    {
+        $confsum= $saved_config;
+    }
+    elsif ($stage !~ /CVS|Git|SCM/ )
+    {
+        $confsum = get_config_summary();
+    }
+    else
+    {
+        $confsum = get_script_config_dump();
+    }
+
+    my $savedata = Data::Dumper->Dump(
+        [
+            $changed_this_run, $changed_since_success, $branch, $status,$stage,
+            $animal, $ts,$log_data, $confsum, $target, $verbose, $secret
+        ],
+        [
+            qw(changed_this_run changed_since_success branch status stage
+              animal ts log_data confsum target verbose secret)
+        ]
+    );
+
+    my $lrname = $st_prefix . $logdirname;
+
+    # might happen if there is a CVS failure and have never got further
+    mkdir $lrname unless -d $lrname;
+
+    my $txfname = "$lrname/web-txn.data";
+    my $txdhandle;
+    open($txdhandle,">$txfname");
+    print $txdhandle $savedata;
+    close($txdhandle);
+
+    if ($nosend || $stage eq 'CVS' || $stage eq 'CVS-status' )
+    {
+        print "Branch: $branch\n";
+        if ($stage eq 'OK')
+        {
+            print "All stages succeeded\n";
+            set_last('success.snap',$current_snap) unless $nostatus;
+            exit(0);
+        }
+        else
+        {
+            print "Stage $stage failed with status $status\n";
+            exit(1);
+        }
+    }
+
+    if ($stage !~ /CVS|Git|SCM|Pre-run-port-check/ )
+    {
+
+        my @logfiles = glob("$lrname/*.log");
+        my %mtimes = map { $_ => (stat $_)[9] } @logfiles;
+        @logfiles =
+          map { basename $_ }( sort { $mtimes{$a} <=> $mtimes{$b} } @logfiles );
+        my $logfiles = join(' ',@logfiles);
+        $tar_log_cmd =~ s/\*\.log/$logfiles/;
+        chdir($lrname);
+        system("$tar_log_cmd 2>&1 ");
+        chdir($branch_root);
+
+    }
+    else
+    {
+
+        # these would be from an earlier run, since we
+        # do cleanlogs() after the cvs stage
+        # so don't send them.
+        unlink "$lrname/runlogs.tgz";
+    }
+
+    my $txstatus;
+
+    # this should now only apply to older Msys installs. All others should
+    # be running with perl >= 5.8 since that's required to build exim
+    # anyway
+    if (!$^V or $^V lt v5.8.0)
+    {
+
+        unless (-x "$aux_path/run_web_txn.pl")
+        {
+            print "Could not locate $aux_path/run_web_txn.pl\n";
+            exit(1);
+        }
+
+        system("$aux_path/run_web_txn.pl $lrname");
+        $txstatus = $? >> 8;
+    }
+    else
+    {
+        $txstatus = EximBuild::WebTxn::run_web_txn($lrname) ? 0 : 1;
+
+    }
+
+    if ($txstatus)
+    {
+        print "Web txn failed with status: $txstatus\n";
+
+        # if the web txn fails, restore the timestamps
+        # so we try again the next time.
+        set_last('status',$last_status) unless $nostatus;
+        set_last('run.snap',$last_run_snap) unless $nostatus;
+        exit($txstatus);
+    }
+
+    unless ($stage eq 'OK' || $quiet)
+    {
+        print "BuildFarm member $animal failed on $branch stage $stage\n";
+    }
+
+    #	print "Success!\n",$response->content
+    #		if $print_success;
+
+    set_last('success.snap',$current_snap) if ($stage eq 'OK' && !$nostatus);
+
+    exit 0;
+}
+
+sub get_config_summary
+{
+    my $handle;
+    my $config = "";
+    # unless ($using_msvc)
+    # {
+    #     open($handle,"$exim/config.log") || return undef;
+    #     my $start = undef;
+    #     while (<$handle>)
+    #     {
+    #         if (!$start && /created by PostgreSQL configure/)
+    #         {
+    #             $start=1;
+    #             s/It was/This file was/;
+    #         }
+    #         next unless $start;
+    #         last if /Core tests/;
+    #         next if /^\#/;
+    #         next if /= <?unknown>?/;
+
+    #         # split up long configure line
+    #         if (m!\$.*configure.*--with! && length > 70)
+    #         {
+    #             my $pos = index($_," ",70);
+    #             substr($_,$pos+1,0,"\\\n        ") if ($pos > 0);
+    #             $pos = index($_," ",140);
+    #             substr($_,$pos+1,0,"\\\n        ") if ($pos > 0);
+    #             $pos = index($_," ",210);
+    #             substr($_,$pos+1,0,"\\\n        ") if ($pos > 0);
+    #         }
+    #         $config .= $_;
+    #     }
+    #     close($handle);
+    #     $config .=
+    #       "\n========================================================\n";
+    # }
+    $config .= get_script_config_dump();
+    return $config;
+}
+
+sub get_script_config_dump
+{
+    my $conf = {
+        %EximBuild::conf,  # shallow copy
+        script_version => $VERSION,
+        invocation_args => \@invocation_args,
+        steps_completed => $steps_completed,
+        orig_env => $orig_env,
+    };
+    delete $conf->{secret};
+    $Data::Dumper::Sortkeys = 1;
+    return  Data::Dumper->Dump([$conf],['Script_Config']);
+}
+
+sub scm_timeout
+{
+    my $wait_time = shift;
+    my $who_to_kill = getpgrp(0);
+    my $sig = SIGTERM;
+    $sig = -$sig;
+    print "waiting $wait_time secs to time out process $who_to_kill\n"
+      if $verbose;
+    foreach my $sig (qw(INT TERM HUP QUIT))
+    {
+        $SIG{$sig}='DEFAULT';
+    }
+    sleep($wait_time);
+    $SIG{TERM} = 'IGNORE'; # so we don't kill ourself, we're exiting anyway
+    # kill the whole process group
+    unless (kill $sig,$who_to_kill)
+    {
+        print "scm timeout kill failed\n";
+    }
+}
+
+sub spawn
+{
+    my $coderef = shift;
+    my $pid = fork;
+    if (defined($pid) && $pid == 0)
+    {
+        exit &$coderef(@_);
+    }
+    return $pid;
+}
+
diff --git a/run_build.pl b/run_build.pl
deleted file mode 100755
index 50ae2d6..0000000
--- a/run_build.pl
+++ /dev/null
@@ -1,1459 +0,0 @@
-#!/usr/bin/perl
-
-=comment
-
-Copyright (c) 2003-2010, Andrew Dunstan
-
-See accompanying License file for license details
-
-=cut 
-
-####################################################
-
-=comment
-
- NAME: run_build.pl - script to run exim buildfarm
-
- SYNOPSIS:
-
-  run_build.pl [option ...] [branchname]
-
- AUTHOR: Andrew Dunstan
-
- DOCUMENTATION:
-
-  See http://wiki.exim.org/wiki/PostgreSQL_Buildfarm_Howto
-
- REPOSITORY:
-
-  https://github.com/EximBuildFarm/client-code
-
-=cut
-
-###################################################
-
-use vars qw($VERSION); $VERSION = 'REL_0.1';
-
-use strict;
-use warnings;
-use Config;
-use Fcntl qw(:flock :seek);
-use File::Path;
-use File::Copy;
-use File::Basename;
-use File::Temp;
-use File::Spec;
-use IO::Handle;
-use POSIX qw(:signal_h strftime);
-use Data::Dumper;
-use Cwd qw(abs_path getcwd);
-use File::Find ();
-
-# save a copy of the original enviroment for reporting
-# save it early to reduce the risk of prior mangling
-use vars qw($orig_env);
-
-BEGIN
-{
-    $orig_env = {};
-    while (my ($k,$v) = each %ENV)
-    {
-
-        # report all the keys but only values for whitelisted settings
-        # this is to stop leaking of things like passwords
-        $orig_env->{$k} =(
-            (
-                    $k =~ /^PG(?!PASSWORD)|MAKE|CC|CPP|FLAG|LIBRAR|INCLUDE/
-                  ||$k =~/^(HOME|LOGNAME|USER|PATH|SHELL)$/
-            )
-            ? $v
-            : 'xxxxxx'
-        );
-    }
-}
-
-use EximBuild::SCM;
-use EximBuild::Options;
-use EximBuild::WebTxn;
-
-my %module_hooks;
-my $orig_dir = getcwd();
-push @INC, $orig_dir;
-
-# make sure we exit nicely on any normal interrupt
-# so the cleanup handler gets called.
-# that lets us stop the db if it's running and
-# remove the inst and exim directories
-# so the next run can start clean.
-
-foreach my $sig (qw(INT TERM HUP QUIT))
-{
-    $SIG{$sig}=\&interrupt_exit;
-}
-
-# copy command line before processing - so we can later report it
-# unmunged
-
-my @invocation_args = (@ARGV);
-
-# process the command line
-EximBuild::Options::fetch_options();
-
-die "only one of --from-source and --from-source-clean allowed"
-  if ($from_source && $from_source_clean);
-
-die "only one of --skip-steps and --only-steps allowed"
-  if ($skip_steps && $only_steps);
-
-$verbose=1 if (defined($verbose) && $verbose==0);
-$verbose ||= 0; # stop complaints about undefined var in numeric comparison
-
-if ($testmode)
-{
-    $verbose=1 unless $verbose;
-    $forcerun = 1;
-    $nostatus = 1;
-    $nosend = 1;
-
-}
-
-use vars qw(%skip_steps %only_steps);
-$skip_steps ||= "";
-if ($skip_steps =~ /\S/)
-{
-    %skip_steps = map {$_ => 1} split(/\s+/,$skip_steps);
-}
-$only_steps ||= "";
-if ($only_steps =~ /\S/)
-{
-    %only_steps = map {$_ => 1} split(/(\s+|[:,])/,$only_steps);
-}
-
-# Currently only specifying a branch is actually used.
-# Specifying a different repo is just a wishlist item .
-use vars qw($branch $repo);
-my ($arg1,$arg2) = (shift,shift);
-$branch = $arg2 ? $arg2 :
-          $arg1 ? $arg1 :
-          'HEAD';
-$repo = $arg2 ? $arg1 : 'exim';
-my $explicit_branch = $branch;
-
-print_help() if ($help);
-
-#
-# process config file
-#
-require $buildconf;
-
-# get the config data into some local variables
-my (
-    $buildroot,$target,$animal, $print_success,
-    $aux_path,$trigger_exclude,$trigger_include,$secret,
-    $keep_errs,$force_every, $make, $optional_steps,
-    $use_vpath,$tar_log_cmd, $using_msvc, $extra_config,
-    $make_jobs, $core_file_glob
-  )
-  =@EximBuild::conf{
-    qw(build_root target animal print_success aux_path trigger_exclude
-      trigger_include secret keep_error_builds force_every make optional_steps
-      use_vpath tar_log_cmd using_msvc extra_config make_jobs core_file_glob)
-  };
-
-#default is no parallel build
-$make_jobs ||= 1;
-
-# default core file pattern is Linux, which used to be hardcoded
-$core_file_glob ||= 'core*';
-
-# legacy name
-if (defined($EximBuild::conf{trigger_filter}))
-{
-    $trigger_exclude = $EximBuild::conf{trigger_filter};
-}
-
-my  $scm_timeout_secs = $EximBuild::conf{scm_timeout_secs}
-  || $EximBuild::conf{cvs_timeout_secs};
-
-print scalar(localtime()),": buildfarm run for $animal:$branch starting\n"
-  if $verbose;
-
-# Allow commandline overrides of conf variables
-foreach my $arg ( @{$EximBuild::Options::overrides} )
-{
-  if (my ($key,$val) = split '=', $arg)
-  {
-    $EximBuild::conf{$key} = $val;
-    printf "Commandline override: '$key' = '%s'\n", $EximBuild::conf{$key}
-      if $verbose;
-  }
-}
-
-if (ref($force_every) eq 'HASH')
-{
-    $force_every = $force_every->{$branch} || $force_every->{default};
-}
-
-my $scm = new EximBuild::SCM \%EximBuild::conf;
-
-my $buildport;
-
-if (exists $EximBuild::conf{base_port})
-{
-    $buildport = $EximBuild::conf{base_port};
-    if ($branch =~ /REL(\d+)_(\d+)/)
-    {
-        $buildport += (10 * ($1 - 7)) + $2;
-    }
-}
-else
-{
-
-    # support for legacy config style
-    $buildport = $EximBuild::conf{branch_ports}->{$branch} || 5999;
-}
-
-$ENV{EXTRA_REGRESS_OPTS} = "--port=$buildport";
-
-$tar_log_cmd ||= "tar -z -cf runlogs.tgz *.log";
-
-my $logdirname = "lastrun-logs";
-
-if ($from_source || $from_source_clean)
-{
-    $from_source ||= $from_source_clean;
-    die "sourceroot $from_source not absolute"
-      unless $from_source =~ m!^/!;
-
-    # we need to know where the lock should go, so unless the path
-    # contains HEAD we require it to be specified.
-    die "must specify branch explicitly with from_source"
-      unless ($explicit_branch || $from_source =~ m!/HEAD/!);
-    $verbose ||= 1;
-    $nosend=1;
-    $nostatus=1;
-    $use_vpath = undef;
-    $logdirname = "fromsource-logs";
-}
-
-my @locales;
-if ($branch eq 'HEAD' || $branch ge 'REL8_4')
-{
-
-    # non-C locales are not regression-safe before 8.4
-    @locales = @{$EximBuild::conf{locales}} if exists $EximBuild::conf{locales};
-}
-unshift(@locales,'C') unless grep {$_ eq "C"} @locales;
-
-# sanity checks
-# several people have run into these
-
-if ( `uname -s 2>&1 ` =~ /CYGWIN/i )
-{
-    my @procs = `ps -ef`;
-    die "cygserver not running" unless(grep {/cygserver/} @procs);
-}
-my $ccachedir;
-if ( $ccachedir = $EximBuild::conf{build_env}->{CCACHE_DIR} )
-{
-
-    # ccache is smart enough to create what you tell it is the cache dir, but
-    # not smart enough to build the whole path. mkpath croaks on error, so
-    # we just let it.
-
-    mkpath $ccachedir;
-    $ccachedir = abs_path($ccachedir);
-}
-
-if ($^V lt v5.8.0)
-{
-    die "no aux_path in config file" unless $aux_path;
-}
-
-die "cannot run as root/Administrator" unless ($using_msvc or $> > 0);
-
-my $devnull = $using_msvc ? "nul" : "/dev/null";
-
-if (!$from_source)
-{
-    $scm->check_access($using_msvc);
-}
-
-my $st_prefix = "$animal.";
-
-my $exim = $from_source  || $scm->get_build_path($use_vpath);
-
-# set environment from config
-while (my ($envkey,$envval) = each %{$EximBuild::conf{build_env}})
-{
-    $ENV{$envkey}=$envval;
-}
-
-# change to buildroot for this branch or die
-die "no buildroot" unless $buildroot;
-
-unless ($buildroot =~ m!^/!
-    or($using_msvc and $buildroot =~ m![a-z]:[/\\]!i ))
-{
-    die "buildroot $buildroot not absolute";
-}
-
-die "$buildroot does not exist or is not a directory" unless -d $buildroot;
-
-chdir $buildroot || die "chdir to $buildroot: $!";
-
-mkdir $branch unless -d $branch;
-chdir $branch || die "chdir to $buildroot/$branch";
-
-# rename legacy status files/directories
-foreach my $oldfile (glob("last*"))
-{
-    move $oldfile, "$st_prefix$oldfile";
-}
-
-my $branch_root = getcwd();
-
-# Normally we would require GNU Make, but allow farm
-# configuration to override this
-die "$make is not GNU Make - please fix config file"
-  unless check_make();
-
-# set up modules
-foreach my $module (@{$EximBuild::conf{modules}})
-{
-
-    # fill in the name of the module here, so use double quotes
-    # so everything BUT the module name needs to be escaped
-    my $str = qq!
-         require EximBuild::Modules::$module; 
-         EximBuild::Modules::${module}::setup(
-              \$buildroot,
-              \$branch,
-              \\\%EximBuild::conf,
-              \$exim);
-    !;
-    eval $str;
-
-    # make errors fatal
-    die $@ if $@;
-}
-
-# acquire the lock
-
-my $lockfile;
-my $have_lock;
-
-open($lockfile, ">builder.LCK") || die "opening lockfile: $!";
-
-# only one builder at a time allowed per branch
-# having another build running is not a failure, and so we do not output
-# a failure message under this condition.
-if ($from_source)
-{
-    die "acquiring lock in $buildroot/$branch/builder.LCK"
-      unless flock($lockfile,LOCK_EX|LOCK_NB);
-}
-elsif ( !flock($lockfile,LOCK_EX|LOCK_NB) )
-{
-    print "Another process holds the lock on "
-      ."$buildroot/$branch/builder.LCK. Exiting."
-      if ($verbose);
-    exit(0);
-}
-
-die "$buildroot/$branch has $exim or inst directories!"
-  if ((!$from_source && -d $exim) || -d "inst");
-
-# we are OK to run if we get here
-$have_lock = 1;
-
-# check if file present for forced run
-my $forcefile = $st_prefix . "force-one-run";
-if (-e $forcefile)
-{
-    $forcerun = 1;
-    unlink $forcefile;
-}
-
-# try to allow core files to be produced.
-# another way would be for the calling environment
-# to call ulimit. We do this in an eval so failure is
-# not fatal.
-eval{
-    require BSD::Resource;
-    BSD::Resource->import();
-
-    # explicit sub calls here. using & keeps compiler happy
-    my $coreok = setrlimit(&RLIMIT_CORE,&RLIM_INFINITY,&RLIM_INFINITY);
-    die "setrlimit" unless $coreok;
-};
-warn "failed to unlimit core size: $@" if $@ && $verbose > 1;
-
-# the time we take the snapshot
-my $now=time;
-my $installdir = "$buildroot/$branch/inst";
-my $dbstarted;
-
-my $extraconf;
-
-# cleanup handler for all exits
-END
-{
-
-    # clean up temp file
-    unlink $ENV{TEMP_CONFIG} if $extraconf;
-
-    # if we have the lock we must already be in the build root, so
-    # removing things there should be safe.
-    # there should only be anything to cleanup if we didn't have
-    # success.
-    if ( $have_lock && -d "$exim")
-    {
-        if ($dbstarted)
-        {
-            chdir $installdir;
-            system(qq{"bin/pg_ctl" -D data stop >$devnull 2>&1});
-            foreach my $loc (@locales)
-            {
-                next unless -d "data-$loc";
-                system(qq{"bin/pg_ctl" -D "data-$loc" stop >$devnull 2>&1});
-            }
-            chdir $branch_root;
-        }
-        if ( !$from_source && $keep_errs)
-        {
-            print "moving kept error trees\n" if $verbose;
-            my $timestr = strftime "%Y-%m-%d_%H-%M-%S", localtime($now);
-            unless (move("$exim", "eximkeep.$timestr"))
-            {
-                print "error renaming '$exim' to 'eximkeep.$timestr': $!";
-            }
-            if (-d "inst")
-            {
-                unless(move("inst", "instkeep.$timestr"))
-                {
-                    print "error renaming 'inst' to 'instkeep.$timestr': $!";
-                }
-            }
-        }
-        else
-        {
-            rmtree("inst") unless $keepall;
-            rmtree("$exim") unless ($from_source || $keepall);
-        }
-
-        # only keep the cache in cases of success
-        rmtree("$ccachedir") if $ccachedir;
-    }
-
-    # get the modules to clean up after themselves
-    process_module_hooks('cleanup');
-
-    if ($have_lock)
-    {
-        if ($use_vpath)
-        {
-
-            # vpath builds leave some stuff lying around in the
-            # source dir, unfortunately. This should clean it up.
-            $scm->cleanup();
-        }
-        close($lockfile);
-        unlink("builder.LCK");
-    }
-}
-
-# Prepend the DEFAULT settings (if any) to any settings for the
-# branch. Since we're mangling this, deep clone $extra_config
-# so the config object is kept as given. This is done using
-# Dumper() because the MSys DTK perl doesn't have Storable. This
-# is less efficient but it hardly matters here for this shallow
-# structure.
-
-$extra_config = eval Dumper($extra_config);
-
-if ($extra_config &&  $extra_config->{DEFAULT})
-{
-    if (!exists  $extra_config->{$branch})
-    {
-        $extra_config->{$branch} = 	$extra_config->{DEFAULT};
-    }
-    else
-    {
-        unshift(@{$extra_config->{$branch}}, @{$extra_config->{DEFAULT}});
-    }
-}
-
-if ($extra_config && $extra_config->{$branch})
-{
-    my $tmpname;
-    ($extraconf,$tmpname) =File::Temp::tempfile(
-        'buildfarm-XXXXXX',
-        DIR => File::Spec->tmpdir(),
-        UNLINK => 1
-    );
-    die 'no $tmpname!' unless $tmpname;
-    $ENV{TEMP_CONFIG} = $tmpname;
-    foreach my $line (@{$extra_config->{$branch}})
-    {
-        print $extraconf "$line\n";
-    }
-    autoflush $extraconf 1;
-}
-
-use vars qw($steps_completed);
-$steps_completed = "";
-
-my @changed_files;
-my @changed_since_success;
-my $last_config;
-my $last_status;
-my $last_run_snap;
-my $last_success_snap;
-my $current_config;
-my $current_snap;
-my @filtered_files;
-my $savescmlog = "";
-
-if ($from_source_clean)
-{
-    print time_str(),"cleaning source in $exim ...\n";
-    clean_from_source();
-}
-elsif (!$from_source)
-{
-
-    # see if we need to run the tests (i.e. if either something has changed or
-    # we have gone over the force_every heartbeat time)
-
-    print time_str(),"checking out source ...\n" if $verbose;
-
-    my $timeout_pid;
-
-    $timeout_pid = spawn(\&scm_timeout,$scm_timeout_secs)
-      if $scm_timeout_secs;
-
-    $savescmlog = $scm->checkout($branch);
-    $steps_completed = "SCM-checkout";
-
-    process_module_hooks('checkout',$savescmlog);
-
-    if ($timeout_pid)
-    {
-
-        # don't kill me, I finished in time
-        if (kill(SIGTERM, $timeout_pid))
-        {
-
-            # reap the zombie
-            waitpid($timeout_pid,0);
-        }
-    }
-
-    print time_str(),"checking if build run needed ...\n" if $verbose;
-
-    # transition to new time processing
-    unlink "last.success";
-
-    # get the timestamp data
-    $last_config = find_last('config') || 0;
-    $last_status = find_last('status') || 0;
-    $last_run_snap = find_last('run.snap');
-    $last_success_snap = find_last('success.snap');
-    $forcerun = 1 unless (defined($last_run_snap));
-
-    # If config file changed, force a rebuild
-    ($current_config) = (stat $orig_dir.'/'.$buildconf)[9];
-    if (defined $current_config && $current_config > $last_config)
-    {
-      $last_status = 0;
-      set_last('config',$current_config) unless $nostatus;
-    }
-
-    # updated by find_changed to last mtime of any file in the repo
-    $current_snap=0;
-
-    # see if we need to force a build
-    $last_status = 0
-      if ( $last_status
-        && $force_every
-        &&$last_status+($force_every*3600) < $now);
-    $last_status = 0 if $forcerun;
-
-    # see what's changed since the last time we did work
-    $scm->find_changed(\$current_snap,$last_run_snap, $last_success_snap,
-        \@changed_files,\@changed_since_success);
-
-    #ignore changes to files specified by the trigger exclude filter, if any
-    if (defined($trigger_exclude))
-    {
-        @filtered_files = grep { !m[$trigger_exclude] } @changed_files;
-    }
-    else
-    {
-        @filtered_files = @changed_files;
-    }
-
-    #ignore changes to files NOT specified by the trigger include filter, if any
-    if (defined($trigger_include))
-    {
-        @filtered_files = grep { m[$trigger_include] } @filtered_files;
-    }
-
-    my $modules_need_run;
-
-    process_module_hooks('need-run',\$modules_need_run);
-
-    # if no build required do nothing
-    if ($last_status && !@filtered_files && !$modules_need_run)
-    {
-        print time_str(),
-          "No build required: last status = ",scalar(gmtime($last_status)),
-          " GMT, current snapshot = ",scalar(gmtime($current_snap))," GMT,",
-          " changed files = ",scalar(@filtered_files),"\n"
-          if $verbose;
-        rmtree("$exim");
-        exit 0;
-    }
-
-    # get version info on both changed files sets
-    # XXX modules support?
-
-    $scm->get_versions(\@changed_files);
-    $scm->get_versions(\@changed_since_success);
-
-} # end of unless ($from_source)
-
-cleanlogs();
-
-writelog('SCM-checkout',$savescmlog) unless $from_source;
-$scm->log_id() unless $from_source;
-
-# copy/create according to vpath/scm settings
-
-if ($use_vpath)
-{
-    print time_str(),"creating vpath build dir $exim ...\n" if $verbose;
-    mkdir $exim || die "making $exim: $!";
-}
-elsif (!$from_source && $scm->copy_source_required())
-{
-    print time_str(),"copying source to $exim ...\n" if $verbose;
-
-    $scm->copy_source($using_msvc);
-}
-
-process_module_hooks('setup-target');
-
-# start working
-
-set_last('status',$now) unless $nostatus;
-set_last('run.snap',$current_snap) unless $nostatus;
-
-my $started_times = 0;
-print time_str(),"running configure ...\n" if $verbose;
-
-# each of these routines will call send_result, which calls exit,
-# on any error, so each step depends on success in the previous
-# steps.
-configure();
-
-make();
-
-display_features();
-
-make_test() if (check_optional_step('test'));
-
-make_doc() if (check_optional_step('make-doc'));
-
-##check_port_is_ok($buildport,'Post');
-
-# if we get here everything went fine ...
-
-my $saved_config = get_config_summary();
-
-rmtree("inst"); # only keep failures
-rmtree("$exim") unless ($from_source || $keepall);
-
-print(time_str(),"OK\n") if $verbose;
-
-send_result("OK");
-
-exit;
-
-############## end of main program ###########################
-
-sub print_help
-{
-    print qq!
-usage: $0 [options] [branch]
-
- where options are one or more of:
-
-  --nosend                  = don't send results
-  --nostatus                = don't set status files
-  --force                   = force a build run (ignore status files)
-  --from-source=/path       = use source in path, not from SCM
-  or
-  --from-source-clean=/path = same as --from-source, run make distclean first
-  --config=/path/to/file    = alternative location for config file
-  --keepall                 = keep directories if an error occurs
-  --verbose[=n]             = verbosity (default 1) 2 or more = huge output.
-  --quiet                   = suppress normal error message 
-  --test                    = short for --nosend --nostatus --verbose --force
-  --skip-steps=list         = skip certain steps
-  --only-steps=list         = only do certain steps, not allowed with skip-steps
-                              lists can be comma, colon, or space separated
-
-Default branch is HEAD. Usually only the --config option should be necessary.
-
-!;
-    exit(0);
-}
-
-sub time_str
-{
-    my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) = localtime(time);
-    return sprintf("[%.2d:%.2d:%.2d] ",$hour, $min, $sec);
-}
-
-sub step_wanted
-{
-    my $step = shift;
-    return $only_steps{$step} if $only_steps;
-    return !$skip_steps{$step} if $skip_steps;
-    return 1; # default is everything is wanted
-}
-
-sub register_module_hooks
-{
-    my $who = shift;
-    my $what = shift;
-    while (my ($hook,$func) = each %$what)
-    {
-        $module_hooks{$hook} ||= [];
-        push(@{$module_hooks{$hook}},[$func,$who]);
-    }
-}
-
-sub process_module_hooks
-{
-    my $hook = shift;
-
-    # pass remaining args (if any) to module func
-    foreach my $module (@{$module_hooks{$hook}})
-    {
-        my ($func,$module_instance) = @$module;
-        &$func($module_instance, @_);
-    }
-}
-
-sub check_optional_step
-{
-    my $step = shift;
-    my $oconf;
-    my $shandle;
-
-    return undef unless ref($oconf = $optional_steps->{$step});
-    if ($oconf->{branches})
-    {
-        return undef unless grep {$_ eq $branch} @{$oconf->{branches}};
-    }
-
-    my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) =localtime(time);
-    return undef if (exists $oconf->{min_hour} &&  $hour < $oconf->{min_hour});
-    return undef if (exists $oconf->{max_hour} &&  $hour > $oconf->{max_hour});
-    return undef if (exists $oconf->{dow}
-        &&grep {$_ eq $wday} @{$oconf->{dow}});
-
-    my $last_step = $last_status = find_last("$step") || 0;
-    ## If made it *to* these optional steps, we just run them and reset last time
-    #return undef unless ($forcerun ||
-    #                     time >$last_step + (3600 * $oconf->{min_hours_since}));
-    set_last("$step") unless $nostatus;
-
-    return 1;
-}
-
-sub clean_from_source
-{
-    if (-e "$exim/GNUmakefile")
-    {
-
-        # fixme for MSVC
-        my @makeout = `cd $exim && $make distclean 2>&1`;
-        my $status = $? >>8;
-        writelog('distclean',\@makeout);
-        print "======== distclean log ===========\n",@makeout if ($verbose > 1);
-        send_result('distclean',$status,\@makeout) if $status;
-    }
-}
-
-sub interrupt_exit
-{
-    my $signame = shift;
-    print "Exiting on signal $signame\n";
-    exit(1);
-}
-
-sub cleanlogs
-{
-    my $lrname = $st_prefix . $logdirname;
-    rmtree("$lrname");
-    mkdir "$lrname" || die "can't make $lrname dir: $!";
-}
-
-sub writelog
-{
-    my $stage = shift;
-    my $loglines = shift;
-    my $handle;
-    my $lrname = $st_prefix . $logdirname;
-    open($handle,">$lrname/$stage.log") || die $!;
-    print $handle @$loglines;
-    close($handle);
-}
-
-sub display_features
-{
-    return unless step_wanted('features');
-    my @out = `cd $exim
-               src/build-*/exim -C test/confs/0000 -bV `;
-    my $status = $? >>8;
-    writelog('features',\@out);
-    print "======== features log ===========\n",@out if ($verbose > 1);
-    send_result('Features',$status,\@out) if $status;
-    $steps_completed .= " Features";
-}
-    
-sub check_make
-{
-    # Allow farm member to configure non-GNU make
-    my $non_gnu_make = $EximBuild::conf{non_gnu_make};
-    if (!defined $non_gnu_make ||
-        (defined $non_gnu_make && $non_gnu_make == 1)) {
-      return 'OK';
-    }
-    my @out = `$make -v 2>&1`;
-    return undef unless ($? == 0 && grep {/GNU Make/} @out);
-    return 'OK';
-}
-
-sub make
-{
-    return unless step_wanted('make');
-    print time_str(),"running make ...\n" if $verbose;
-    my $make_args = join(' ',$EximBuild::conf{make_args});
-    my (@makeout);
-    my $make_cmd = $make;
-    $make_cmd = "$make -j $make_jobs"
-      if ($make_jobs > 1 && ($branch eq 'HEAD' || $branch ge 'REL9_1'));
-    @makeout = `cd $exim/src && $make_cmd $make_args 2>&1`;
-    my $status = $? >>8;
-    writelog('make',\@makeout);
-    print "======== make log ===========\n",@makeout if ($verbose > 1);
-    send_result('Make',$status,\@makeout) if $status;
-    $steps_completed .= " Make";
-}
-
-sub make_doc
-{
-    return unless step_wanted('make-doc');
-    print time_str(),"running make doc ...\n" if $verbose;
-
-    my (@makeout);
-    @makeout = `cd $exim/doc/doc-docbook/ && \
-                EXIM_VER="4.82" $make everything 2>&1`;
-    my $status = $? >>8;
-    writelog('make-doc',\@makeout);
-    print "======== make doc log ===========\n",@makeout if ($verbose > 1);
-    send_result('Doc',$status,\@makeout) if $status;
-    $steps_completed .= " Doc";
-}
-
-sub get_stack_trace
-{
-    my $bindir = shift;
-    my $pgdata = shift;
-
-    # no core = no result
-    my @cores = glob("$pgdata/$core_file_glob");
-    return () unless @cores;
-
-    # no gdb = no result
-    system "gdb --version > $devnull 2>&1";
-    my $status = $? >>8;
-    return () if $status;
-
-    my $cmdfile = "./gdbcmd";
-    my $handle;
-    open($handle, ">$cmdfile");
-    print $handle "bt\n";
-    close($handle);
-
-    my @trace;
-
-    foreach my $core (@cores)
-    {
-        my @onetrace = `gdb -x $cmdfile --batch $bindir/exim $core 2>&1`;
-        push(@trace,
-            "\n\n================== stack trace: $core ==================\n",
-            @onetrace);
-    }
-
-    unlink $cmdfile;
-
-    return @trace;
-}
-
-sub make_install_check
-{
-    my $locale = shift;
-    return unless step_wanted('install-check');
-    print time_str(),"running make installcheck ($locale)...\n" if $verbose;
-
-    my @checklog;
-    unless ($using_msvc)
-    {
-        @checklog = `cd $exim/src/test/regress && $make installcheck 2>&1`;
-    }
-    else
-    {
-        chdir "$exim/src/tools/msvc";
-        @checklog = `perl vcregress.pl installcheck 2>&1`;
-        chdir $branch_root;
-    }
-    my $status = $? >>8;
-    my @logfiles =
-      ("$exim/src/test/regress/regression.diffs","$installdir/logfile");
-    foreach my $logfile(@logfiles)
-    {
-        next unless (-e $logfile );
-        push(@checklog,"\n\n================== $logfile ==================\n");
-        my $handle;
-        open($handle,$logfile);
-        while(<$handle>)
-        {
-            push(@checklog,$_);
-        }
-        close($handle);
-    }
-    if ($status)
-    {
-        my @trace =
-          get_stack_trace("$installdir/bin","$installdir/data-$locale");
-        push(@checklog,@trace);
-    }
-    writelog("install-check-$locale",\@checklog);
-    print "======== make installcheck log ===========\n",@checklog
-      if ($verbose > 1);
-    send_result("InstallCheck-$locale",$status,\@checklog) if $status;
-    $steps_completed .= " InstallCheck-$locale";
-}
-
-sub make_isolation_check
-{
-    my $locale = shift;
-    return unless step_wanted('isolation-check');
-    my @makeout;
-    unless ($using_msvc)
-    {
-        my $cmd =
-          "cd $exim/src/test/isolation && $make NO_LOCALE=1 installcheck";
-        @makeout = `$cmd 2>&1`;
-    }
-    else
-    {
-        chdir "$exim/src/tools/msvc";
-        @makeout = `perl vcregress.pl isolationcheck 2>&1`;
-        chdir $branch_root;
-    }
-
-    my $status = $? >>8;
-
-    # get the log files and the regression diffs
-    my @logs = glob("$exim/src/test/isolation/log/*.log");
-    push(@logs,"$installdir/logfile");
-    unshift(@logs,"$exim/src/test/isolation/regression.diffs")
-      if (-e "$exim/src/test/isolation/regression.diffs");
-    foreach my $logfile (@logs)
-    {
-        push(@makeout,"\n\n================== $logfile ===================\n");
-        my $handle;
-        open($handle,$logfile);
-        while(<$handle>)
-        {
-            push(@makeout,$_);
-        }
-        close($handle);
-    }
-    if ($status)
-    {
-        my @trace =
-          get_stack_trace("$installdir/bin","$installdir/data-$locale");
-        push(@makeout,@trace);
-    }
-    writelog('isolation-check',\@makeout);
-    print "======== make isolation check logs ===========\n",@makeout
-      if ($verbose > 1);
-
-    send_result('IsolationCheck',$status,\@makeout) if $status;
-    $steps_completed .= " IsolationCheck";
-}
-
-sub make_test
-{
-    return unless step_wanted('test');
-    print time_str(),"running make test ...\n" if $verbose;
-    my $tests_range = $EximBuild::conf{range_num_tests} || "1 4";
-    my @makeout;
-    @makeout =`(cd $exim/test
-                autoconf && ./configure && $make )2>&1 `;
-    my $status = $? >>8;
-    unless($status)
-    {
-      my @tmp = `(WORKDIR=\$PWD
-                  cd $exim/test
-                  ./runtest \$WORKDIR/$exim/src/build-*/exim -CONTINUE $tests_range )2>&1`;
-      $status = $? >>8;
-      push @makeout, @tmp;
-      # Prepend the failed summary log outputs for ease of reading
-      my $fail_summary = "$exim/test/failed-summary.log";
-      if (-f $fail_summary)
-      {
-        @tmp = `cat $fail_summary`;
-        push @tmp, "\n";
-        unshift @makeout, @tmp;
-        unshift @makeout, "Summary of failed tests:\n";
-      }
-    }
-    writelog('test',\@makeout);
-    print "======== make test logs ===========\n",@makeout
-      if ($verbose > 1);
-
-    send_result('Test',$status,\@makeout) if $status;
-    $steps_completed .= " Test";
-}
-
-sub make_ecpg_check
-{
-    return unless step_wanted('ecpg-check');
-    my @makeout;
-    my $ecpg_dir = "$exim/src/interfaces/ecpg";
-    if ($using_msvc)
-    {
-        chdir "$exim/src/tools/msvc";
-        @makeout = `perl vcregress.pl ecpgcheck 2>&1`;
-        chdir $branch_root;
-    }
-    else
-    {
-        @makeout = `cd  $ecpg_dir && $make NO_LOCALE=1 check 2>&1`;
-    }
-    my $status = $? >>8;
-
-    # get the log files and the regression diffs
-    my @logs = glob("$ecpg_dir/test/log/*.log");
-    unshift(@logs,"$ecpg_dir/test/regression.diffs")
-      if (-e "$ecpg_dir/test/regression.diffs");
-    foreach my $logfile (@logs)
-    {
-        push(@makeout,"\n\n================== $logfile ===================\n");
-        my $handle;
-        open($handle,$logfile);
-        while(<$handle>)
-        {
-            push(@makeout,$_);
-        }
-        close($handle);
-    }
-    if ($status)
-    {
-        my $base = "$ecpg_dir/test/regress/tmp_check";
-        my @trace =
-          get_stack_trace("$base/install$installdir/bin",	"$base/data");
-        push(@makeout,@trace);
-    }
-    writelog('ecpg-check',\@makeout);
-    print "======== make ecpg check logs ===========\n",@makeout
-      if ($verbose > 1);
-
-    send_result('ECPG-Check',$status,\@makeout) if $status;
-    $steps_completed .= " ECPG-Check";
-}
-
-sub configure
-{
-    return unless step_wanted('configure');
-    print time_str(),"creating configuration ...\n" if $verbose;
-
-    my $env = $EximBuild::conf{makefile_set};
-    my $add = $EximBuild::conf{makefile_add};
-    my $features = $EximBuild::conf{makefile_regex};
-
-    my $envstr = "";
-    while (my ($key,$val) = each %$env)
-    {
-        $envstr .= "$key='$val'\n";
-    }
-    while (my ($key,$val) = each %$add)
-    {
-        $envstr .= "$key+='$val'\n";
-    }
-
-    my $conf_path = "src/src/EDITME";
-    my $local_conf = "src/Local/Makefile";
-    my @confout = `cd $exim; mkdir -p src/Local 2>&1`;
-    my @tmp = `cd $exim && cp $conf_path $local_conf 2>&1`;
-    my $status = $? >> 8;
-    push @confout, @tmp;
-    if ($status == 0)
-    {
-        # First, let's display some directory permissions in case
-        # permissions are causing problems.
-        my @dir = split('/',`pwd`);
-        chomp(@dir);
-        my $count = scalar @dir;
-        my $loop = 1;
-        my $dirs = '';
-        while ($loop < $count)
-        {
-          my $dir = "";
-          foreach my $i (0 .. $loop)
-          {
-            $dir .= $dir[$i].'/';
-          }
-          $dirs .= " $dir";
-          $loop++;
-        }
-        @tmp = `echo "Verify Directory Permissions"
-                ls -ld $dirs`;
-        push @confout, @tmp;
-        # Build the config file from the EDITME template
-        @tmp = `cd $exim && echo '$envstr' >> $local_conf`;
-        push @confout, @tmp;
-        my $exim_user = $EximBuild::conf{master_exim_user} || 'exim';
-        @tmp = `echo "Hardcoded Exim user info:"; id $exim_user
-          cd $exim && perl -pi -e 's/^EXIM_USER=.*/EXIM_USER=$exim_user/' $local_conf`;
-        push @confout, @tmp;
-        my $me = `whoami`; chomp $me;
-        @tmp = `echo "Build Farm user info:"; id $me
-          cd $exim && perl -pi -e 's/^# CONFIGURE_OWNER=\$/CONFIGURE_OWNER=$me/' $local_conf`;
-        push @confout, @tmp;
-        my $testdir = `cd $exim && /bin/pwd`; chomp $testdir; $testdir .= "/test";
-        my $trcf = "$testdir/trusted-configs";
-        my $tecf = "$testdir/test-config";
-        @tmp = `cd $exim && perl -pi -e "s%^# TRUSTED_CONFIG_LIST=.*%TRUSTED_CONFIG_LIST=$trcf%" $local_conf`;
-        push @confout, @tmp;
-        @tmp = `cd $exim && perl -pi -e 's/^# WHITELIST_D_MACROS=.*/WHITELIST_D_MACROS=DIR:EXIM_PATH:AA:ACL:ACLRCPT:ACL_MAIL:ACL_PREDATA:ACL_RCPT:AFFIX:ALLOW:ARG1:ARG2:AUTHF:AUTHS:AUTH_ID_DOMAIN:BAD:BANNER:BB:BR:BRB:CERT:COM:COMMAND_USER:CONNECTCOND:CONTROL:CREQCIP:CREQMAC:CRL:CSS:D6:DATA:DCF:DDF:DEFAULTDWC:DELAY:DETAILS:DRATELIMIT:DYNAMIC_OPTION:ELI:ERROR_DETAILS:ERT:FAKE:FALLBACK:FILTER:FILTER_PREPEND_HOME:FORBID:FORBID_SMTP_CODE:FUSER:HAI:HAP:HARDLIMIT:HEADER_LINE_MAXSIZE:HEADER_MAXSIZE:HELO_MSG:HL:HOSTS:HOSTS_AVOID_TLS:HOSTS_MAX_TRY:HVH:IFACE:IGNORE_QUOTA:INC:INSERT:IP1:IP2:LAST:LDAPSERVERS:LENCHECK:LIMIT:LIST:LOG_SELECTOR:LS:MAXNM:MESSAGE_LOGS:MSIZE:NOTDAEMON:ONCE:ONLY:OPT:OPTION:ORDER:PAH:PEX:PORT:PTBC:QDG:QOLL:QUOTA:QUOTA_FILECOUNT:QWM:RCPT_MSG:REMEMBER:REQUIRE:RETRY:RETRY1:RETRY2:RETURN:RETURN_ERROR_DETAILS:REWRITE:ROUTE_DATA:RRATELIMIT:RT:S:SELECTOR:SELF:SERVER:SERVERS:SREQCIP:SREQMAC:SRV:STD:STRICT:SUB:SUBMISSION_OPTIONS:TIMEOUTDEFER:TIMES:TRUSTED:TRYCLEAR:UL:USE_SENDER:UTF8:VALUE:WMF:X:Y/' $local_conf`;
-        push @confout, @tmp;
-        @tmp = `cd $exim && perl -pi -e 's/^EXIM_MONITOR=(.*)/# EXIM_MONITOR=\$1/' $local_conf`;
-        push @confout, @tmp;
-        for my $regex ( @$features )
-        {
-            @tmp = `cd $exim
-                    perl -pi -e '$regex' $local_conf 2>&1
-                    echo "Used regex: $regex" `;
-            push @confout, @tmp;
-        }
-        # Add the final build file to the display output
-        @tmp = `cd $exim
-                echo
-                echo "Contents of Local/Makefile:"
-                egrep '^[^#]' $local_conf `;
-        push @confout, @tmp;
-        # Build the config_opts array to send to the server
-        chomp @tmp;
-        my @config_opts = grep s/(?:LOOKUP_|EXPERIMENTAL_|USE_)(\S+)=.*/$1/,
-                          @tmp;
-        push @config_opts, grep s/^(?:EXIM_)(PERL|PYTHON)=.*/$1/,
-                           @tmp;
-        # OpenSSL doesn't have a specific USE flag
-        push @config_opts, grep s/^(TLS_LIBS.*-l(ssl|crypto)).*/OPENSSL/,
-                           @tmp;
-        $EximBuild::conf{config_opts} = \@config_opts;
-        
-        # Does not matter what the Exim version is, as long as it is valid.
-        my $exim_ver = $EximBuild::conf{exim_test_version} || '4.82';
-        `cd $exim
-         echo 'EXIM_RELEASE_VERSION="$exim_ver"' > src/src/version.sh
-         echo 'EXIM_VARIANT_VERSION=""' >> src/src/version.sh
-         echo 'EXIM_COMPILE_NUMBER="0"' >> src/src/version.sh`;
-
-        # Create a trusted-configs list file
-        @tmp = `cd $exim && echo "$tecf" > "$trcf"`;
-        push @confout, @tmp;
-    }
-   
-    print "======== configure output ===========\n",@confout
-      if ($verbose > 1);
-
-    writelog('configure',\@confout);
-
-    if ($status)
-    {
-        send_result('Configure',$status,\@confout);
-    }
-
-    $steps_completed .= " Configure";
-}
-
-sub find_last
-{
-    my $which = shift;
-    my $stname = $st_prefix . "last.$which";
-    my $handle;
-    open($handle,$stname) or return undef;
-    my $time = <$handle>;
-    close($handle);
-    chomp $time;
-    return $time + 0;
-}
-
-sub set_last
-{
-    my $which = shift;
-    my $stname = $st_prefix . "last.$which";
-    my $st_now = shift || time;
-    my $handle;
-    open($handle,">$stname") or die "opening $stname: $!";
-    print $handle "$st_now\n";
-    close($handle);
-}
-
-sub send_result
-{
-
-    # clean up temp file
-    $extraconf = undef;
-
-    my $stage = shift;
-
-    my $ts = $now || time;
-    my $status=shift || 0;
-    my $log = shift || [];
-    print "======== log passed to send_result ===========\n",@$log
-      if ($verbose > 1);
-
-    unshift(@$log,
-        "Last file mtime in snapshot: ",
-        scalar(gmtime($current_snap)),
-        " GMT\n","===================================================\n")
-      unless ($from_source || !$current_snap);
-
-    my $log_data = join("",@$log);
-    my $confsum = "";
-    my $changed_this_run = "";
-    my $changed_since_success = "";
-    $changed_this_run = join("!",@changed_files)
-      if @changed_files;
-    $changed_since_success = join("!",@changed_since_success)
-      if ($stage ne 'OK' && @changed_since_success);
-
-    if ($stage eq 'OK')
-    {
-        $confsum= $saved_config;
-    }
-    elsif ($stage !~ /CVS|Git|SCM/ )
-    {
-        $confsum = get_config_summary();
-    }
-    else
-    {
-        $confsum = get_script_config_dump();
-    }
-
-    my $savedata = Data::Dumper->Dump(
-        [
-            $changed_this_run, $changed_since_success, $branch, $status,$stage,
-            $animal, $ts,$log_data, $confsum, $target, $verbose, $secret
-        ],
-        [
-            qw(changed_this_run changed_since_success branch status stage
-              animal ts log_data confsum target verbose secret)
-        ]
-    );
-
-    my $lrname = $st_prefix . $logdirname;
-
-    # might happen if there is a CVS failure and have never got further
-    mkdir $lrname unless -d $lrname;
-
-    my $txfname = "$lrname/web-txn.data";
-    my $txdhandle;
-    open($txdhandle,">$txfname");
-    print $txdhandle $savedata;
-    close($txdhandle);
-
-    if ($nosend || $stage eq 'CVS' || $stage eq 'CVS-status' )
-    {
-        print "Branch: $branch\n";
-        if ($stage eq 'OK')
-        {
-            print "All stages succeeded\n";
-            set_last('success.snap',$current_snap) unless $nostatus;
-            exit(0);
-        }
-        else
-        {
-            print "Stage $stage failed with status $status\n";
-            exit(1);
-        }
-    }
-
-    if ($stage !~ /CVS|Git|SCM|Pre-run-port-check/ )
-    {
-
-        my @logfiles = glob("$lrname/*.log");
-        my %mtimes = map { $_ => (stat $_)[9] } @logfiles;
-        @logfiles =
-          map { basename $_ }( sort { $mtimes{$a} <=> $mtimes{$b} } @logfiles );
-        my $logfiles = join(' ',@logfiles);
-        $tar_log_cmd =~ s/\*\.log/$logfiles/;
-        chdir($lrname);
-        system("$tar_log_cmd 2>&1 ");
-        chdir($branch_root);
-
-    }
-    else
-    {
-
-        # these would be from an earlier run, since we
-        # do cleanlogs() after the cvs stage
-        # so don't send them.
-        unlink "$lrname/runlogs.tgz";
-    }
-
-    my $txstatus;
-
-    # this should now only apply to older Msys installs. All others should
-    # be running with perl >= 5.8 since that's required to build exim
-    # anyway
-    if (!$^V or $^V lt v5.8.0)
-    {
-
-        unless (-x "$aux_path/run_web_txn.pl")
-        {
-            print "Could not locate $aux_path/run_web_txn.pl\n";
-            exit(1);
-        }
-
-        system("$aux_path/run_web_txn.pl $lrname");
-        $txstatus = $? >> 8;
-    }
-    else
-    {
-        $txstatus = EximBuild::WebTxn::run_web_txn($lrname) ? 0 : 1;
-
-    }
-
-    if ($txstatus)
-    {
-        print "Web txn failed with status: $txstatus\n";
-
-        # if the web txn fails, restore the timestamps
-        # so we try again the next time.
-        set_last('status',$last_status) unless $nostatus;
-        set_last('run.snap',$last_run_snap) unless $nostatus;
-        exit($txstatus);
-    }
-
-    unless ($stage eq 'OK' || $quiet)
-    {
-        print "BuildFarm member $animal failed on $branch stage $stage\n";
-    }
-
-    #	print "Success!\n",$response->content
-    #		if $print_success;
-
-    set_last('success.snap',$current_snap) if ($stage eq 'OK' && !$nostatus);
-
-    exit 0;
-}
-
-sub get_config_summary
-{
-    my $handle;
-    my $config = "";
-    # unless ($using_msvc)
-    # {
-    #     open($handle,"$exim/config.log") || return undef;
-    #     my $start = undef;
-    #     while (<$handle>)
-    #     {
-    #         if (!$start && /created by PostgreSQL configure/)
-    #         {
-    #             $start=1;
-    #             s/It was/This file was/;
-    #         }
-    #         next unless $start;
-    #         last if /Core tests/;
-    #         next if /^\#/;
-    #         next if /= <?unknown>?/;
-
-    #         # split up long configure line
-    #         if (m!\$.*configure.*--with! && length > 70)
-    #         {
-    #             my $pos = index($_," ",70);
-    #             substr($_,$pos+1,0,"\\\n        ") if ($pos > 0);
-    #             $pos = index($_," ",140);
-    #             substr($_,$pos+1,0,"\\\n        ") if ($pos > 0);
-    #             $pos = index($_," ",210);
-    #             substr($_,$pos+1,0,"\\\n        ") if ($pos > 0);
-    #         }
-    #         $config .= $_;
-    #     }
-    #     close($handle);
-    #     $config .=
-    #       "\n========================================================\n";
-    # }
-    $config .= get_script_config_dump();
-    return $config;
-}
-
-sub get_script_config_dump
-{
-    my $conf = {
-        %EximBuild::conf,  # shallow copy
-        script_version => $VERSION,
-        invocation_args => \@invocation_args,
-        steps_completed => $steps_completed,
-        orig_env => $orig_env,
-    };
-    delete $conf->{secret};
-    $Data::Dumper::Sortkeys = 1;
-    return  Data::Dumper->Dump([$conf],['Script_Config']);
-}
-
-sub scm_timeout
-{
-    my $wait_time = shift;
-    my $who_to_kill = getpgrp(0);
-    my $sig = SIGTERM;
-    $sig = -$sig;
-    print "waiting $wait_time secs to time out process $who_to_kill\n"
-      if $verbose;
-    foreach my $sig (qw(INT TERM HUP QUIT))
-    {
-        $SIG{$sig}='DEFAULT';
-    }
-    sleep($wait_time);
-    $SIG{TERM} = 'IGNORE'; # so we don't kill ourself, we're exiting anyway
-    # kill the whole process group
-    unless (kill $sig,$who_to_kill)
-    {
-        print "scm timeout kill failed\n";
-    }
-}
-
-sub spawn
-{
-    my $coderef = shift;
-    my $pid = fork;
-    if (defined($pid) && $pid == 0)
-    {
-        exit &$coderef(@_);
-    }
-    return $pid;
-}
-
diff --git a/run_build.pl b/run_build.pl
new file mode 120000
index 0000000..d0622bb
--- /dev/null
+++ b/run_build.pl
@@ -0,0 +1 @@
+run_build
\ No newline at end of file
diff --git a/run_cron.sh b/run_cron.sh
index 5c81a85..9306638 100755
--- a/run_cron.sh
+++ b/run_cron.sh
@@ -1,5 +1,17 @@
 #!/bin/sh
 
+new=${0%.sh}
+
+if test -t; then
+    cat <<___ >&2
+`basename $0`: Please use $new (note the missing extension!) instead.
+This ($0) script will be removed without any further notice.
+___
+    exit 1
+fi
+
+exec $new "$@"
+
 if which dirname >/dev/null; then
   BFDIR=`dirname $0`
 elif [ "x${BFDIR}" = "x" ]; then
diff --git a/update_personality b/update_personality
new file mode 100755
index 0000000..c16135b
--- /dev/null
+++ b/update_personality
@@ -0,0 +1,132 @@
+#!/usr/bin/perl
+
+=comment
+
+Copyright (c) 2003-2010, Andrew Dunstan
+
+See accompanying License file for license details
+
+=cut
+
+use vars qw($VERSION); $VERSION = '0.1';
+
+use strict;
+use warnings;
+no warnings qw(once); # suppress spurious warning about conf structure
+
+use LWP;
+use HTTP::Request::Common;
+use MIME::Base64;
+use Digest::SHA  qw(sha1_hex);
+use Getopt::Long;
+
+# copy command line before processing - so we can later report it
+# unmunged
+
+my @invocation_args = (@ARGV);
+
+my $buildconf = "build-farm.conf"; # default value
+my ($os_version, $compiler_version,$help);
+
+if ($0 =~ /(.*)\.pl$/) {
+    die "$0: Please use `$1@{[@ARGV ? qq{ @ARGV} : '']}` instead\n"
+        if -t;
+    exec $1, @ARGV;
+}
+
+GetOptions(
+    'config=s' => \$buildconf,
+    'help' => \$help,
+    'os-version=s' => \$os_version,
+    'compiler-version=s' => \$compiler_version,
+)|| usage("bad command line");
+
+usage("No extra args allowed")
+  if @_;
+
+usage()
+  if $help;
+
+usage("must specify at least one item to change")
+  unless ($os_version or $compiler_version);
+
+#
+# process config file
+#
+require $buildconf;
+
+my ($target,$animal,$secret,$upgrade_target) =
+  @EximBuild::conf{qw(target animal secret upgrade_target)};
+
+# default for old config files
+unless ($upgrade_target)
+{
+    $upgrade_target = $target;
+    $upgrade_target =~ s/eximstatus.pl/upgrade.pl/;
+}
+
+# make the base64 data escape-proof; = is probably ok but no harm done
+# this ensures that what is seen at the other end is EXACTLY what we
+# see when we calculate the signature
+
+map{ $_ ||= ""; $_ = encode_base64($_,""); tr/+=/$@/; }
+  ($os_version,$compiler_version);
+
+my $ts = time;
+
+my $content = "animal=$animal\&ts=$ts";
+$content .= "\&new_os=$os_version" if $os_version;
+$content .= "\&new_compiler=$compiler_version" if $compiler_version;
+
+my $sig= sha1_hex($content,$secret);
+
+# set environment from config
+while (my ($envkey,$envval) = each %{$EximBuild::conf{build_env}})
+{
+    $ENV{$envkey}=$envval;
+}
+
+my $ua = new LWP::UserAgent;
+$ua->agent("Exim Build Farm Reporter");
+if (my $proxy = $ENV{BF_PROXY})
+{
+    $ua->proxy('http',$proxy);
+}
+
+my $request=HTTP::Request->new(POST => "$upgrade_target/$sig");
+$request->content_type("application/x-www-form-urlencoded");
+$request->content($content);
+
+my $response=$ua->request($request);
+
+unless ($response->is_success)
+{
+    print
+      "Query for: animal=$animal&ts=$ts\n",
+      "Target: $upgrade_target/$sig\n",
+      "Query Content: $content\n";
+    print "Status Line: ",$response->status_line,"\n";
+    print "Content: \n", $response->content,"\n";
+    exit 1;
+}
+
+exit(0);
+
+#######################################################################
+
+sub usage
+{
+    my $opt_message = shift;
+    print "$opt_message\n" if $opt_message;
+    print  <<EOH;
+update_personality [ option ... ]
+where option is one or more of
+  --config=path                 /path/to/buildfarm.conf
+  --os-version=version          new operating system version
+  --compiler-version=version    new compiler version
+  --help                        get this message
+EOH
+
+    exit defined($opt_message)+0;
+}
+
diff --git a/update_personality.pl b/update_personality.pl
deleted file mode 100755
index 44dfe64..0000000
--- a/update_personality.pl
+++ /dev/null
@@ -1,126 +0,0 @@
-#!/usr/bin/perl
-
-=comment
-
-Copyright (c) 2003-2010, Andrew Dunstan
-
-See accompanying License file for license details
-
-=cut 
-
-use vars qw($VERSION); $VERSION = '0.1';
-
-use strict;
-use warnings;
-no warnings qw(once); # suppress spurious warning about conf structure
-
-use LWP;
-use HTTP::Request::Common;
-use MIME::Base64;
-use Digest::SHA  qw(sha1_hex);
-use Getopt::Long;
-
-# copy command line before processing - so we can later report it
-# unmunged
-
-my @invocation_args = (@ARGV);
-
-my $buildconf = "build-farm.conf"; # default value
-my ($os_version, $compiler_version,$help);
-
-GetOptions(
-    'config=s' => \$buildconf,
-    'help' => \$help,
-    'os-version=s' => \$os_version,
-    'compiler-version=s' => \$compiler_version,
-)|| usage("bad command line");
-
-usage("No extra args allowed")
-  if @_;
-
-usage()
-  if $help;
-
-usage("must specify at least one item to change")
-  unless ($os_version or $compiler_version);
-
-#
-# process config file
-#
-require $buildconf;
-
-my ($target,$animal,$secret,$upgrade_target) =
-  @EximBuild::conf{qw(target animal secret upgrade_target)};
-
-# default for old config files
-unless ($upgrade_target)
-{
-    $upgrade_target = $target;
-    $upgrade_target =~ s/eximstatus.pl/upgrade.pl/;
-}
-
-# make the base64 data escape-proof; = is probably ok but no harm done
-# this ensures that what is seen at the other end is EXACTLY what we
-# see when we calculate the signature
-
-map{ $_ ||= ""; $_ = encode_base64($_,""); tr/+=/$@/; }
-  ($os_version,$compiler_version);
-
-my $ts = time;
-
-my $content = "animal=$animal\&ts=$ts";
-$content .= "\&new_os=$os_version" if $os_version;
-$content .= "\&new_compiler=$compiler_version" if $compiler_version;
-
-my $sig= sha1_hex($content,$secret);
-
-# set environment from config
-while (my ($envkey,$envval) = each %{$EximBuild::conf{build_env}})
-{
-    $ENV{$envkey}=$envval;
-}
-
-my $ua = new LWP::UserAgent;
-$ua->agent("Exim Build Farm Reporter");
-if (my $proxy = $ENV{BF_PROXY})
-{
-    $ua->proxy('http',$proxy);
-}
-
-my $request=HTTP::Request->new(POST => "$upgrade_target/$sig");
-$request->content_type("application/x-www-form-urlencoded");
-$request->content($content);
-
-my $response=$ua->request($request);
-
-unless ($response->is_success)
-{
-    print
-      "Query for: animal=$animal&ts=$ts\n",
-      "Target: $upgrade_target/$sig\n",
-      "Query Content: $content\n";
-    print "Status Line: ",$response->status_line,"\n";
-    print "Content: \n", $response->content,"\n";
-    exit 1;
-}
-
-exit(0);
-
-#######################################################################
-
-sub usage
-{
-    my $opt_message = shift;
-    print "$opt_message\n" if $opt_message;
-    print  <<EOH;
-update_personality.pl [ option ... ]
-where option is one or more of
-  --config=path                 /path/to/buildfarm.conf
-  --os-version=version          new operating system version
-  --compiler-version=version    new compiler version
-  --help                        get this message
-EOH
-
-    exit defined($opt_message)+0;
-}
-
diff --git a/update_personality.pl b/update_personality.pl
new file mode 120000
index 0000000..7eb2dff
--- /dev/null
+++ b/update_personality.pl
@@ -0,0 +1 @@
+update_personality
\ No newline at end of file