Fix portability of Makefiles to HP-UX and other non-extended makes.

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

diff --git a/src/scripts/lookups-Makefile b/src/scripts/lookups-Makefile
index 959d49e118c4dd3633d81649d6a5fb58eeeeedcc..dd0472b8d914503fb7f4964a36c2c3770ba98f25 100755 (executable)
--- a/src/scripts/lookups-Makefile
+++ b/src/scripts/lookups-Makefile
@@ -2,13 +2,13 @@
 
 # We turn the configure-built build-$foo/lookups/Makefile.predynamic into Makefile
 
-if [ -x /usr/xpg4/bin/sh ] && [ -z "EXIM_BLOCK_XPG4_LOOP" ]
+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 "$@"
+  exec /usr/xpg4/bin/sh "$0" "$@"
 fi
 
 input=lookups/Makefile.predynamic
@@ -19,7 +19,7 @@ tag_marker='MAGIC-TAG-MODS-OBJ-RULES-GO-HERE'
 tab='  '
 
 # 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.
+# and now we need to run in order to put the OBJ=$(OBJ)+ rules in.
 
 if grep -q "^CFLAGS_DYNAMIC[ $tab]*=" "$defs_source"
 then
@@ -42,6 +42,11 @@ want_at_all() {
   grep -q "^LOOKUP_${want_name}[ $tab]*=[ $tab]*." "$defs_source"
 }
 
+# The values of these variables will be emitted into the Makefile.
+
+MODS=""
+OBJ=""
+
 emit_module_rule() {
   local lookup_name="$1"
   local mod_name
@@ -59,13 +64,13 @@ emit_module_rule() {
       echo >&2 "Inhibited dynamic modules prevents building dynamic $lookup_name"
       exit 1
     fi
-    echo "MODS += ${mod_name}.so"
+    MODS="${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"
   then
-    echo "OBJ += ${mod_name}.o"
+    OBJ="${OBJ} ${mod_name}.o"
   fi
 }
 
@@ -83,9 +88,18 @@ done
 
 if want_at_all LDAP
 then
-  echo "OBJ += ldap.o"
+  OBJ="${OBJ} ldap.o"
 fi
 
+# Because the variable is EXPERIMENTAL_SPF and not LOOKUP_SPF we
+# always include spf.o and compile a dummy if EXPERIMENTAL_SPF is not
+# defined.
+
+OBJ="${OBJ} spf.o"
+
+echo "MODS = $MODS"
+echo "OBJ = $OBJ"
+
 sed -n "/$tag_marker/,\$p" < "$input"
 
 exec >&5