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-rwxr-xr-xsrc/scripts/lookups-Makefile16
1 files changed, 14 insertions, 2 deletions
diff --git a/src/scripts/lookups-Makefile b/src/scripts/lookups-Makefile
index dd0472b8d..d5c450e4f 100755
--- a/src/scripts/lookups-Makefile
+++ b/src/scripts/lookups-Makefile
@@ -21,6 +21,9 @@ 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=$(OBJ)+ rules in.
+# nb: do not permit leading whitespace for this, as CFLAGS_DYNAMIC is exported
+# to the lookups subdir via a line with leading whitespace which otherwise
+# matches
if grep -q "^CFLAGS_DYNAMIC[ $tab]*=" "$defs_source"
then
# we have a definition, we're good to go
@@ -32,14 +35,23 @@ fi
tmp="$target.t"
+# For the want_ checks, we need to let the user override values from the make
+# command-line, not just check the Makefile.
+
want_dynamic() {
local dyn_name="$1"
- grep -q "^LOOKUP_${dyn_name}[ $tab]*=[ $tab]*2" "$defs_source"
+ local re="LOOKUP_${dyn_name}[ $tab]*=[ $tab]*2"
+ env | grep -q "^$re"
+ if [ $? -eq 0 ]; then return 0; fi
+ grep -q "^[ $tab]*$re" "$defs_source"
}
want_at_all() {
local want_name="$1"
- grep -q "^LOOKUP_${want_name}[ $tab]*=[ $tab]*." "$defs_source"
+ local re="LOOKUP_${want_name}[ $tab]*=[ $tab]*."
+ env | grep -q "^$re"
+ if [ $? -eq 0 ]; then return 0; fi
+ grep -q "^[ $tab]*$re" "$defs_source"
}
# The values of these variables will be emitted into the Makefile.