buildsystem tooling

[exim.git] / src / scripts / Configure-Makefile

diff --git a/src/scripts/Configure-Makefile b/src/scripts/Configure-Makefile
index 5ef0ff7f08e1e0c8e911b8e3d294828230a0e7f2..3b0528940ff311a0f73e6d2f86b04830f409006e 100755 (executable)
--- a/src/scripts/Configure-Makefile
+++ b/src/scripts/Configure-Makefile
@@ -1,9 +1,15 @@
 #! /bin/sh
 #! /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.
 # 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.
 
 
 # First off, get the OS type, and check that there is a make file for it.


@@ -76,14 +82,17 @@ fi
 mf=Makefile
 mft=$mf-t
 mftt=$mf-tt
 mf=Makefile
 mft=$mf-t
 mftt=$mf-tt

+mftepcp=$mf-tepcp
+mftepcp2=$mf-tepcp2

 
 

-look_mf=lookups/Makefile.predynamic
-look_mft=${look_mf}-t
+look_mf=lookups/Makefile
+look_mf_pre=${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.
 
 
 # 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
 (echo "OSTYPE=$ostype"; echo "ARCHTYPE=$archtype"; echo "") > $mft || exit 1
 
 # Now concatenate the files to the temporary file. Copy the files using sed to


@@ -109,15 +118,41 @@ do   if test -r ../$f
             echo "# End of $f"
             echo ""
      fi
             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
+  . ./$mftepcp
+  export PKG_CONFIG_PATH
+  grep -E -v "^[$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.
 
 # handle pkg-config
 # beware portability of extended regexps with sed.

-
-egrep "^[$st]*(AUTH|LOOKUP)_[A-Z0-9_]*[$st]*=[$st]*" $mft | \
+grep -E "^[$st]*(AUTH|LOOKUP)_[A-Z0-9_]*[$st]*=[$st]*" $mft | \

   sed "s/[$st]*=/='/" | \
   sed "s/\$/'/" > $mftt
   sed "s/[$st]*=/='/" | \
   sed "s/\$/'/" > $mftt

-egrep "^[$st]*((USE_(OPENSSL|GNUTLS)_PC)|SUPPORT_TLS|USE_GNUTLS)[$st]*=[$st]*" $mft | \
+grep -E "^[$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 $mftt
   sed "s/[$st]*=/='/" | \
   sed "s/\$/'/" >> $mftt
 if test -s $mftt


@@ -131,19 +166,39 @@ then
       USE_*_PC)
         eval "pc_value=\"\$$var\""
         need_this=''
       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
           # 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
         elif [ ".$var" = ".USE_OPENSSL_PC" ] && [ ".$USE_GNUTLS" = "." ]; then
           need_this=t

+          need_core=t

         fi
         if [ ".$need_this" != "." ]; then
           tls_include=`pkg-config --cflags $pc_value`
         fi
         if [ ".$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"
           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
         ;;
 
         fi
         ;;
 


@@ -160,6 +215,10 @@ then
         else
           # main binary
           cflags=`pkg-config --cflags $pc_value`
         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"
           libs=`pkg-config --libs $pc_value`
           if [ "$var" != "${var#LOOKUP_}" ]; then
             echo "LOOKUP_INCLUDE += $cflags"


@@ -173,19 +232,71 @@ then
         fi
         ;;
 
         fi
         ;;
 

+      PCRE_CONFIG)
+        case $PCRE_CONFIG in
+          yes|YES|y|Y)
+            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 += $cflags"
+            fi
+            echo "PCRE_LIBS=$libs"
+            ;;
+        esac
+        ;;
+
+      AVOID_GNUTLS_PKCS11)
+        echo "$var=yes"
+        ;;
+

     esac
   done
   echo "# End of pkg-config fixups"
   echo
   ) >> $mft
     esac
   done
   echo "# End of pkg-config fixups"
   echo
   ) >> $mft

+  subexit=$?
+  if [ $subexit -ne 0 ]; then
+    exit $subexit
+  fi

 fi
 rm -f $mftt
 
 # make the lookups Makefile with the definitions
 fi
 rm -f $mftt
 
 # 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

 
 

-## prepend stuff here; eg: grep LOOKUP_ $mft > $look_mft
-## cat ../src/lookups/Makefile >> $look_mft
-cp ../src/lookups/Makefile $look_mft
+class="routers"
+cp ../src/$class/Makefile $class/Makefile.predynamic
+../scripts/$class-Makefile
+mv routers/Makefile.postdynamic $class/Makefile
+rm $class/Makefile.predynamic
+class=

 
 # 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,
 
 # 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,


@@ -236,14 +347,14 @@ 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 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 && [ -s $look_mf ] && cmp -s $look_mft $look_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
 then    echo ">>> rebuilt $mf unchanged"
         echo " "
         touch $mf || exit

-        rm -f $mft
-elif    rm -f $mf $look_mf
+        rm -f $mft $look_mf_pre $look_mf_post
+elif    rm -f $mf $look_mf $look_mf_pre

         mv $mft $mf
         mv $mft $mf

-       mv $look_mft $look_mf
+       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 " "
 then    echo ">>> New $mf & $look_mf installed"
         echo '>>> Use "make makefile" if you need to force rebuilding of the makefile'
         echo " "