#! /bin/sh
-# $Cambridge: exim/src/scripts/Configure-Makefile,v 1.1 2004/10/06 15:07:40 ph10 Exp $
-
# Shell script to build Makefile in a build directory. It must be called
# from inside the directory. It does its own checking of when to rebuild; it
# just got too horrendous to get it right in "make", because of the optionally
# existing configuration files.
+#
+# Copyright (c) The Exim Maintainers 1995 - 2024
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+
+LC_ALL=C
+export LC_ALL
# First off, get the OS type, and check that there is a make file for it.
fi
+# Linux now whines about egrep, saying "use grep -E".
+# Solarix doesn't support -E on grep. Thanks so much for
+# going non-back-compatible, Linux.
+if [ "$ostype" != "SunOS5" ] ; then
+ egrep="grep -E"
+else
+ egrep="egrep"
+fi
+
+
# If Makefile is up-to-date, no need to rebuild it.
if [ $rebuild = no ] ; then
mf=Makefile
mft=$mf-t
mftt=$mf-tt
+mftepcp=$mf-tepcp
+mftepcp2=$mf-tepcp2
+
+look_mf=lookups/Makefile
+look_mf_pre=${look_mf}.predynamic
+look_mf_post=${look_mf}.postdynamic
# Ensure the temporary does not exist and start the new one by setting
# the OSTYPE and ARCHTYPE variables.
-rm -f $mft $mftt
+rm -f $mft $mftt $mftepcp $mftepcp2 $look_mf-t
(echo "OSTYPE=$ostype"; echo "ARCHTYPE=$archtype"; echo "") > $mft || exit 1
# Now concatenate the files to the temporary file. Copy the files using sed to
echo "# End of $f"
echo ""
fi
-done >> $mft || exit 1
+done \
+ | sed 's/^TMPDIR=/EXIM_&/' \
+ >> $mft || exit 1
+
+# handle PKG_CONFIG_PATH because we need it in our env, and we want to handle
+# wildcards; note that this logic means all setting _appends_ values, never
+# replacing; if that's a problem, we can revisit.
+sed -n "s/^[$st]*PKG_CONFIG_PATH[$st]*[+]*=[$st]*//p" $mft | \
+ sed "s/[$st]*\$//" >> $mftepcp
+if test -s ./$mftepcp
+then
+ # expand any wildcards and strip spaces, to make it a real PATH-like variable
+ ( IFS=":${IFS-$st}"; for P in `cat ./$mftepcp`; do echo "$P"; done ) | xargs | sed "s/[$st]/:/g" >./$mftepcp2
+ sed "s/^/PKG_CONFIG_PATH='/" < ./$mftepcp2 | sed "s/\$/'/" > ./$mftepcp
+ . ./$mftepcp
+ export PKG_CONFIG_PATH
+ $egrep -v "^[$st]*PKG_CONFIG_PATH[$st]*=" ./$mft > ./$mftt
+ rm -f ./$mft
+ (
+ echo "# Collapsed PKG_CONFIG_PATH in build-prep:"
+ sed "s/'//g" ./$mftepcp
+ echo "# End of collapsed PKG_CONFIG_PATH"
+ echo ""
+ cat ./$mftt
+ ) > ./$mft
+ rm -f ./$mftt
+fi
+rm -f ./$mftepcp ./$mftepcp2
+
+# handle pkg-config
+# beware portability of extended regexps with sed.
+$egrep "^[$st]*(AUTH|LOOKUP)_[A-Z0-9_]*[$st]*=[$st]*" $mft | \
+ sed "s/[$st]*=/='/" | \
+ sed "s/\$/'/" > $mftt
+$egrep "^[$st]*((USE_(OPENSSL|GNUTLS)_PC)|SUPPORT_TLS|USE_GNUTLS|PCRE2?_CONFIG|AVOID_GNUTLS_PKCS11)[$st]*=[$st]*" $mft | \
+ sed "s/[$st]*=/='/" | \
+ sed "s/\$/'/" >> $mftt
+if test -s $mftt
+then
+ (
+ echo "# pkg-config fixups"
+ . ./$mftt
+ for var in `cut -d = -f 1 < $mftt`; do
+ case $var in
+
+ USE_*_PC)
+ eval "pc_value=\"\$$var\""
+ need_this=''
+ need_core=''
+ if [ ".$DISABLE_TLS" = .yes ]; then
+ # no TLS, not referencing
+ true
+ elif [ ".$var" = ".USE_GNUTLS_PC" ] && [ ".$USE_GNUTLS" != "." ]; then
+ need_this=t
+ need_core="gnutls-special"
+ elif [ ".$var" = ".USE_OPENSSL_PC" ] && [ ".$USE_GNUTLS" = "." ]; then
+ need_this=t
+ need_core=t
+ fi
+ if [ ".$need_this" != "." ]; then
+ tls_include=`pkg-config --cflags $pc_value`
+ if [ $? -ne 0 ]; then
+ echo >&2 "*** Missing pkg-config for package $pc_value (for Exim $var build option)"
+ exit 1
+ fi
+ tls_libs=`pkg-config --libs $pc_value`
+ echo "TLS_INCLUDE=$tls_include"
+ echo "TLS_LIBS=$tls_libs"
+ # With hash.h pulling crypto into the core, we need to also handle that
+ if [ ".$need_this" = ".t" ]; then
+ echo "CFLAGS += $tls_include"
+ echo "LDFLAGS += $tls_libs"
+ elif [ ".$need_this" = ".gnutls-special" ]; then
+ if pkg-config --atleast-version=2.10 gnutls ; then
+ echo "CFLAGS += $tls_include"
+ echo "LDFLAGS += $tls_libs"
+ else
+ echo "CFLAGS += `libgcrypt-config --cflags`"
+ echo "LDFLAGS += `libgcrypt-config --libs`"
+ fi
+ fi
+ fi
+ ;;
+
+ *_PC)
+ eval "pc_value=\"\$$var\""
+ base=`echo $var | sed 's/_PC$//'`
+ eval "basevalue=\"\$$base\""
+ if [ ".$basevalue" = "." ]; then
+ # not pulling in this module, _PC defined as default? Ignore
+ true
+ elif [ $basevalue = 2 ]; then
+ # module; handled in scripts/lookups-Makefile
+ true
+ else
+ # main binary
+ cflags=`pkg-config --cflags $pc_value`
+ if [ $? -ne 0 ]; then
+ echo >&2 "*** Missing pkg-config for package $pc_value (for Exim $var build option)"
+ exit 1
+ fi
+ libs=`pkg-config --libs $pc_value`
+ if [ "$var" != "${var#LOOKUP_}" ]; then
+ echo "LOOKUP_INCLUDE += $cflags"
+ echo "LOOKUP_LIBS += $libs"
+ elif [ "$var" != "${var#AUTH_}" ]; then
+ echo "CFLAGS += $cflags"
+ echo "AUTH_LIBS += $libs"
+ else
+ echo >&2 "Don't know how to handle pkg-config for $var"
+ fi
+ fi
+ ;;
+
+ PCRE_CONFIG)
+ case $PCRE_CONFIG in
+ yes|YES|y|Y)
+ echo >&2 "pcre is no longer supported; migrate to pcre2"
+ exit 1
+ ;;
+ esac
+ ;;
+
+ PCRE2_CONFIG)
+ case $PCRE2_CONFIG in
+ yes|YES|y|Y)
+ cflags=`pcre2-config --cflags`
+ if [ $? -ne 0 ]; then
+ echo >&2 "*** Missing pcre2-config for regular expression support"
+ exit 1
+ fi
+ libs=`pcre2-config --libs8`
+ if [ ".$cflags" != "." ]; then
+ echo "INCLUDE += $cflags"
+ fi
+ echo "PCRE_LIBS=$libs"
+ ;;
+ esac
+ ;;
+
+ AVOID_GNUTLS_PKCS11)
+ echo "$var=yes"
+ ;;
+
+ esac
+ done
+ echo "# End of pkg-config fixups"
+ echo
+ ) >> $mft
+ subexit=$?
+ if [ $subexit -ne 0 ]; then
+ exit $subexit
+ fi
+fi
+rm -f $mftt
+
+
+# look for RADIUS in $mft; add a SUPPORT_
+if $egrep -q "^RADIUS_CONFIG_FILE" $mft; then
+ echo "# radius fixup"
+ $egrep -q "^SUPPORT_RADIUS" $mft || echo "SUPPORT_RADIUS=yes" >> $mft
+fi
+# also PERL
+if $egrep -q "^EXIM_PERL" $mft; then
+ echo "# perl fixup"
+ $egrep -q "^SUPPORT_PERL" $mft || echo "SUPPORT_PERL=yes" >> $mft
+fi
+
+
+# make the lookups Makefile with the definitions
+# the auxiliary script generates $look_mf_post from $look_mf_pre
+
+cp ../src/lookups/Makefile $look_mf_pre
+../scripts/lookups-Makefile
+
+# make the Makefiles for routers, transports, auths and miscmods
+#
+while read class classdef names
+do
+ cp ../src/$class/Makefile $class/Makefile.predynamic
+ CLASS=$class CLASSDEF=$classdef DRNAMES="$names" EGREP="$egrep" ../scripts/drivers-Makefile
+ mv $class/Makefile.postdynamic $class/Makefile
+ rm $class/Makefile.predynamic
+done <<-END
+ routers ROUTER ACCEPT DNSLOOKUP IPLITERAL IPLOOKUP MANUALROUTE QUERYPROGRAM REDIRECT
+ transports TRANSPORT APPENDFILE AUTOREPLY LMTP PIPE QUEUEFILE SMTP
+ auths AUTH CRAM_MD5 CYRUS_SASL DOVECOT EXTERNAL GSASL HEIMDAL_GSSAPI PLAINTEXT SPA TLS
+ miscmods SUPPORT ARC _DKIM DMARC PAM PERL RADIUS SPF
+END
# See if there is a definition of EXIM_PERL in what we have built so far.
# If so, run Perl to find the default values for PERL_CC, PERL_CCOPTS,
exit 1
fi
+ EXTUTILS_EMBED_NOT_INSTALLED=`$PERL_COMMAND -MExtUtils::Embed -e ";" 2>&1`
+ if [ "${EXTUTILS_EMBED_NOT_INSTALLED}" != "" ] ; then
+ echo "Please install ExtUtils::Embed for $PERL_COMMAND"
+ exit 1;
+ fi
+
+ perl_cc="`$PERL_COMMAND -MConfig -e 'print $Config{cc}'`"
+ perl_ccopts="`$PERL_COMMAND -MExtUtils::Embed -e ccopts`"
+ perl_libs="`$PERL_COMMAND -MExtUtils::Embed -e ldopts`"
+
+ # For the dynamic-module build, pull out all the -D & -I into another var,
+ # and -L (maybe & -l?) to another, both for feed to miscmods
+ # ending up as SUPPORT_PERL_INCLUDE & SUPPORT_PERL_LIB respectively
+
+ perl_cflags=`PERL_CCOPTS="$perl_ccopts" $PERL_COMMAND \
+ -e 'my @list = split(" ", $ENV{PERL_CCOPTS});' \
+ -e 'foreach (@list) {print "$_ " if (/^-[DI]/)}'`
+ perl_lflags=`PERL_LIBS="$perl_libs" $PERL_COMMAND \
+ -e 'my @list = split(" ", $ENV{PERL_LIBS});' \
+ -e 'foreach (@list) {print "$_ " if (/^-L/)}'`
+
mv $mft $mftt
- echo "PERL_CC=`$PERL_COMMAND -MConfig -e 'print $Config{cc}'`" >>$mft
- echo "PERL_CCOPTS=`$PERL_COMMAND -MExtUtils::Embed -e ccopts`" >>$mft
- echo "PERL_LIBS=`$PERL_COMMAND -MExtUtils::Embed -e ldopts`" >>$mft
+ echo "PERL_CC=${perl_cc}" >>$mft
+ echo "PERL_CCOPTS=${perl_ccopts}" >>$mft
+ echo "PERL_LIBS=${perl_libs}" >>$mft
+ echo "PERL_CFLAGS=${perl_cflags}" >>$mft
+ echo "PERL_LFLAGS=${perl_lflags}" >>$mft
echo "" >>$mft
cat $mftt >> $mft
rm -f $mftt
# Finally, join on the generic base make file, which contains the actual
# rules and stuff.
+echo "# From ../OS/Makefile-Base" >> $mft
cat ../OS/Makefile-Base >> $mft || exit 1
# If the new makefile is the same as the existing one, say so, and just
# update the timestamp. Otherwise remove the old and install the new.
-if [ -s $mf ] && cmp -s $mft $mf
+if [ -s $mf ] && cmp -s $mft $mf && [ -s $look_mf ] && cmp -s $look_mf_post $look_mf
then echo ">>> rebuilt $mf unchanged"
echo " "
touch $mf || exit
- rm -f $mft
-elif rm -f $mf
+ rm -f $mft $look_mf_pre $look_mf_post
+elif rm -f $mf $look_mf $look_mf_pre
mv $mft $mf
-then echo ">>> New $mf installed"
+ mv $look_mf_post $look_mf
+then echo ">>> New $mf & $look_mf installed"
echo '>>> Use "make makefile" if you need to force rebuilding of the makefile'
echo " "
else echo " "
echo "*** Failed to install $mf - see $mft"
+ echo " (or $look_mft)"
echo " "
exit 1;
fi
+# vim: set ft=sh :
# End of Configure-Makefile