build: Honor --with-xxx-headers also for dependencies.

This is necessary for depend.sh to do the right thing. Without it the
generated dependency files may contain a reference to a system header.

diff --git a/Makefile.real b/Makefile.real
index ab2389536fd29a9b1cb6196c068a33b122600fd8..506c588d066fd1879caeb01c7a16cc9697380561 100644 (file)
--- a/Makefile.real
+++ b/Makefile.real
@@ -171,34 +171,37 @@ error2.h: $(hostbin_dir)/error2 Makefile
        @echo "$(object_executable_matrix)" | $< > $@
 
 $(object_dir)/%.o: %.c | $(object_dir)
-$(object_dir)/opus%.o: CPPFLAGS += $(opus_cppflags)
-$(object_dir)/gui%.o: CPPFLAGS += $(curses_cppflags)
-$(object_dir)/spx%.o: CPPFLAGS += $(speex_cppflags)
+$(object_dir)/opus%.o $(dep_dir)/opus%.d: CPPFLAGS += $(opus_cppflags)
+$(object_dir)/gui%.o $(dep_dir)/gui%.d: CPPFLAGS += $(curses_cppflags)
+$(object_dir)/spx%.o $(dep_dir)/spx%.d: CPPFLAGS += $(speex_cppflags)
 $(object_dir)/%.cmdline.o: CPPFLAGS += -Wno-unused-function
 
-$(object_dir)/mp3_afh.o: CPPFLAGS += $(id3tag_cppflags)
-$(object_dir)/crypt.o: CPPFLAGS += $(openssl_cppflags)
-$(object_dir)/gcrypt.o: CPPFLAGS += $(gcrypt_cppflags)
-$(object_dir)/mp3dec_filter.o: CPPFLAGS += $(mad_cppflags)
+$(object_dir)/mp3_afh.o $(dep_dir)/mp3_afh.d: CPPFLAGS += $(id3tag_cppflags)
+$(object_dir)/crypt.o $(dep_dir)/crypt.d: CPPFLAGS += $(openssl_cppflags)
+$(object_dir)/gcrypt.o $(dep_dir)/gcrypt.d: CPPFLAGS += $(gcrypt_cppflags)
+
+$(object_dir)/mp3dec_filter.o $(dep_dir)/mp3dec_filter.d \
+: CPPFLAGS += $(mad_cppflags)
+
 $(object_dir)/compress_filter.o: CPPFLAGS += -O3
-$(object_dir)/ao_write.o: CPPFLAGS += $(ao_cppflags)
+$(object_dir)/ao_write.o $(dep_dir)/ao_write.d: CPPFLAGS += $(ao_cppflags)
 
-$(object_dir)/aacdec_filter.o \
-$(object_dir)/aac_common.o \
-$(object_dir)/aac_afh.o \
+$(object_dir)/aacdec_filter.o $(dep_dir)/aacdec_filter.d \
+$(object_dir)/aac_common.o $(dep_dir)/aac_common.d \
+$(object_dir)/aac_afh.o $(dep_dir)/aac_afh.d \
 : CPPFLAGS += $(faad_cppflags)
 
-$(object_dir)/ogg_afh.o \
-$(object_dir)/oggdec_filter.o \
+$(object_dir)/ogg_afh.o $(dep_dir)/ogg_afh.d \
+$(object_dir)/oggdec_filter.o $(dep_dir)/oggdec_filter.d \
 : CPPFLAGS += $(vorbis_cppflags)
 
-$(object_dir)/spx_common.o \
-$(object_dir)/spxdec_filter.o \
-$(object_dir)/spx_afh.o \
-$(object_dir)/oggdec_filter.o \
-$(object_dir)/ogg_afh.o \
-$(object_dir)/ogg_afh_common.o \
-$(object_dir)/opus%.o \
+$(object_dir)/spx_common.o $(dep_dir)/spx_common.d \
+$(object_dir)/spxdec_filter.o $(dep_dir)/spxdec_filter.d \
+$(object_dir)/spx_afh.o $(dep_dir)/spx_afh.d \
+$(object_dir)/oggdec_filter.o $(dep_dir)/oggdec_filter.d \
+$(object_dir)/ogg_afh.o $(dep_dir)/ogg_afh.d \
+$(object_dir)/ogg_afh_common.o $(dep_dir)/ogg_afh_common.d \
+$(object_dir)/opus%.o $(dep_dir)/opus%.d \
 : CPPFLAGS += $(ogg_cppflags)
 
 $(object_dir)/%.o: %.c | $(object_dir)