configure: Pass compiler flag to enable ICU only when building util.encodings
Passing it in CFLAGS applied to all modules, which was not needed.
--- a/configure Fri Jul 10 13:01:17 2020 +0100
+++ b/configure Sun Jul 12 23:28:04 2020 +0200
@@ -524,7 +524,7 @@
if [ "$IDN_LIBRARY" = "icu" ]
then
IDNA_LIBS="$ICU_FLAGS"
- CFLAGS="$CFLAGS -DUSE_STRINGPREP_ICU"
+ IDNA_FLAGS="-DUSE_STRINGPREP_ICU"
fi
if [ "$IDN_LIBRARY" = "idn" ]
then
@@ -569,6 +569,7 @@
LUA_LIBDIR=$LUA_LIBDIR
LUA_BINDIR=$LUA_BINDIR
IDN_LIB=$IDN_LIB
+IDNA_FLAGS=$IDNA_FLAGS
IDNA_LIBS=$IDNA_LIBS
OPENSSL_LIBS=$OPENSSL_LIBS
CFLAGS=$CFLAGS
--- a/util-src/GNUmakefile Fri Jul 10 13:01:17 2020 +0100
+++ b/util-src/GNUmakefile Sun Jul 12 23:28:04 2020 +0200
@@ -24,6 +24,7 @@
clean:
rm -f $(ALL) $(patsubst %.so,%.o,$(ALL))
+encodings.o: CFLAGS+=$(IDNA_FLAGS)
encodings.so: LDLIBS+=$(IDNA_LIBS)
hashes.so: LDLIBS+=$(OPENSSL_LIBS)
--- a/util-src/makefile Fri Jul 10 13:01:17 2020 +0100
+++ b/util-src/makefile Sun Jul 12 23:28:04 2020 +0200
@@ -23,6 +23,8 @@
clean:
rm -f $(ALL) $(patsubst %.so,%.o,$(ALL))
+encodings.o: encodings.c
+ $(CC) $(CFLAGS) $(IDNA_FLAGS) -c -o $@ $<
encodings.so: encodings.o
$(LD) $(LDFLAGS) -o $@ $< $(LDLIBS) $(IDNA_LIBS)