tidying
[exim.git] / src / scripts / Configure-Makefile
index 5e8a7268311b5b73b6db0202caedca959039b026..12f0ddd9c1f82454127972b38ec42125bc32a7f7 100755 (executable)
@@ -1,9 +1,15 @@
 #! /bin/sh
-
 # 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.
@@ -57,6 +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 [ $rebuild = no ] ; then
@@ -76,6 +92,8 @@ fi
 mf=Makefile
 mft=$mf-t
 mftt=$mf-tt
+mftepcp=$mf-tepcp
+mftepcp2=$mf-tepcp2
 
 look_mf=lookups/Makefile
 look_mf_pre=${look_mf}.predynamic
@@ -84,7 +102,7 @@ look_mf_post=${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 $look_mf-t
+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
@@ -110,15 +128,41 @@ 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]*" $mft | \
+$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|PCRE_CONFIG|AVOID_GNUTLS_PKCS11)[$st]*=[$st]*" $mft | \
+$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 $mftt
@@ -132,19 +176,39 @@ then
       USE_*_PC)
         eval "pc_value=\"\$$var\""
         need_this=''
-        if [ ".$SUPPORT_TLS" = "." ]; then
+        need_core=''
+        if [ ".$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
         ;;
 
@@ -161,6 +225,10 @@ then
         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"
@@ -177,8 +245,32 @@ then
       PCRE_CONFIG)
         case $PCRE_CONFIG in
           yes|YES|y|Y)
-            cflags=`pcre-config --cflags`
-            libs=`pcre-config --libs`
+            echo >&2 "pcre is no longer supported; migrate to pcre2"
+            exit 1
+
+#            cflags=`pcre-config --cflags`
+#            if [ $? -ne 0 ]; then
+#              echo >&2 "*** Missing pcre-config for regular expression support"
+#              exit 1
+#            fi
+#            libs=`pcre-config --libs`
+#            if [ ".$cflags" != "." ]; then
+#              echo "INCLUDE += $cflags"
+#            fi
+#            echo "PCRE_LIBS=$libs"
+            ;;
+        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
@@ -196,6 +288,10 @@ then
   echo "# End of pkg-config fixups"
   echo
   ) >> $mft
+  subexit=$?
+  if [ $subexit -ne 0 ]; then
+    exit $subexit
+  fi
 fi
 rm -f $mftt
 
@@ -205,6 +301,19 @@ rm -f $mftt
 cp ../src/lookups/Makefile $look_mf_pre
 ../scripts/lookups-Makefile
 
+while read class classdef names
+do
+  cp ../src/$class/Makefile $class/Makefile.predynamic
+  CLASS=$class CLASSDEF=$classdef DRNAMES="$names" ../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    _DKIM DMARC 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,
 # and PERL_LIBS. These need to be put at the top of the Makefile, so we rename