Document pkg-config

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

diff --git a/src/scripts/Configure-Makefile b/src/scripts/Configure-Makefile
index 35bb2c32fea0124ec8016c6fd5f83db626dcfe58..24ba10823b4d7aa411fad5e110ab277e263783f2 100755 (executable)
--- a/src/scripts/Configure-Makefile
+++ b/src/scripts/Configure-Makefile
@@ -1,5 +1,4 @@
 #! /bin/sh
-# $Cambridge: exim/src/scripts/Configure-Makefile,v 1.3 2009/11/20 21:22:20 nm4 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
@@ -78,10 +77,13 @@ mf=Makefile
 mft=$mf-t
 mftt=$mf-tt
 
+look_mf=lookups/Makefile.predynamic
+look_mft=${look_mf}-t
+
 # 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 $look_mf-t
 (echo "OSTYPE=$ostype"; echo "ARCHTYPE=$archtype"; echo "") > $mft || exit 1
 
 # Now concatenate the files to the temporary file. Copy the files using sed to
@@ -109,6 +111,58 @@ do   if test -r ../$f
      fi
 done >> $mft || exit 1
 
+# 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
+if test -s $mftt
+then
+  (
+  echo "# pkg-config fixups"
+  . ./$mftt
+  for var in `cut -d = -f 1 < $mftt`; do
+    case $var in
+      *_PC)
+        eval "pc_value=\"\$$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`
+          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
+        ;;
+    esac
+  done
+  echo "# End of pkg-config fixups"
+  echo
+  ) >> $mft
+fi
+rm -f $mftt
+
+# make the lookups Makefile with the definitions
+
+## prepend stuff here; eg: grep LOOKUP_ $mft > $look_mft
+## cat ../src/lookups/Makefile >> $look_mft
+cp ../src/lookups/Makefile $look_mft
+
 # 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
@@ -158,20 +212,23 @@ 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_mft $look_mf
 then    echo ">>> rebuilt $mf unchanged"
         echo " "
         touch $mf || exit
         rm -f $mft
-elif    rm -f $mf
+elif    rm -f $mf $look_mf
         mv $mft $mf
-then    echo ">>> New $mf installed"
+       mv $look_mft $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