X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/61ec970df30325dbcd8c9d0f0e431dc793126656..7fba0a36b45d510611efe21df3523e89a9601ffd:/src/scripts/Configure-Makefile

diff --git a/src/scripts/Configure-Makefile b/src/scripts/Configure-Makefile
index 9db965095..4fc917dc9 100755
--- a/src/scripts/Configure-Makefile
+++ b/src/scripts/Configure-Makefile
@@ -1,10 +1,15 @@
 #! /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.
@@ -58,6 +63,16 @@ else
 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 [ $rebuild = no ] ; then
@@ -77,11 +92,17 @@ fi
 mf=Makefile
 mft=$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
@@ -107,7 +128,189 @@ do   if test -r ../$f
             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
+
+#XXX 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
+
+
+# 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 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,
@@ -129,6 +332,12 @@ if [ "${EXIM_PERL}" != "" ] ; then
     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
+
   mv $mft $mftt
   echo "PERL_CC=`$PERL_COMMAND -MConfig -e 'print $Config{cc}'`" >>$mft
   echo "PERL_CCOPTS=`$PERL_COMMAND -MExtUtils::Embed -e ccopts`" >>$mft
@@ -146,25 +355,29 @@ echo "" >>$mft
 # 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