Compatibility fixes for dynlookup makefile builder.

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

diff --git a/src/scripts/lookups-Makefile b/src/scripts/lookups-Makefile
index 7069cfb6966ea148e7b99715fad242a1b32bb5d5..959d49e118c4dd3633d81649d6a5fb58eeeeedcc 100755 (executable)
--- a/src/scripts/lookups-Makefile
+++ b/src/scripts/lookups-Makefile
@@ -2,27 +2,32 @@
 
 # We turn the configure-built build-$foo/lookups/Makefile.predynamic into Makefile
 
+if [ -x /usr/xpg4/bin/sh ] && [ -z "EXIM_BLOCK_XPG4_LOOP" ]
+then
+  EXIM_BLOCK_XPG4_LOOP=yes
+  export EXIM_BLOCK_XPG4_LOOP
+  PATH="/usr/xpg4/bin:$PATH"
+  export PATH
+  exec /usr/xpg4/bin/sh "$@"
+fi
+
 input=lookups/Makefile.predynamic
 target=lookups/Makefile
 defs_source=Makefile
 tag_marker='MAGIC-TAG-MODS-OBJ-RULES-GO-HERE'
 
 tab='  '
-if grep -q "^LOOKUP.*=[ $tab]*2" "$defs_source"
-then
-  # we have work to do
-else
-  echo "No dynamic module loading support"
-  cp "$input" "$target"
-  exit 0
-fi
+
+# We always do something now, since there should always be a lookup,
+# and now we need to run in order to put the OBJ+= rules in.
 
 if grep -q "^CFLAGS_DYNAMIC[ $tab]*=" "$defs_source"
 then
   # we have a definition, we're good to go
+  enable_dynamic=yes
 else
   echo >&2 "Missing CFLAGS_DYNAMIC inhibits building dynamic module lookup"
-  exit 1
+  enable_dynamic=''
 fi
 
 tmp="$target.t"
@@ -50,7 +55,12 @@ emit_module_rule() {
 
   if want_dynamic "$lookup_name"
   then
+    if [ -z "$enable_dynamic" ]; then
+      echo >&2 "Inhibited dynamic modules prevents building dynamic $lookup_name"
+      exit 1
+    fi
     echo "MODS += ${mod_name}.so"
+    grep "^LOOKUP_${lookup_name}_" "$defs_source"
     echo "LOOKUP_${mod_name}_INCLUDE = \$(LOOKUP_${lookup_name}_INCLUDE)"
     echo "LOOKUP_${mod_name}_LIBS = \$(LOOKUP_${lookup_name}_LIBS)"
   elif want_at_all "$lookup_name"