a558ee1776
Now we have to variables: QEMU_CFLAGS: flags without which we can't compile CFLAGS: "-g -O2" We can now run: make CFLAGS="-fbar" foo.o make CFLAGS="" foo.o make CFLAGS="-O3" foo.o And it all should work. Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Message-Id:
26 lines
863 B
Makefile
26 lines
863 B
Makefile
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%.o: %.c
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$(call quiet-command,$(CC) $(QEMU_CFLAGS) $(CFLAGS) -c -o $@ $<," CC $(TARGET_DIR)$@")
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%.o: %.S
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$(call quiet-command,$(CC) $(QEMU_CFLAGS) $(CLAGS) -c -o $@ $<," AS $(TARGET_DIR)$@")
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%.o: %.m
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$(call quiet-command,$(CC) $(QEMU_CFLAGS) $(CFLAGS) -c -o $@ $<," OBJC $(TARGET_DIR)$@")
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LINK = $(call quiet-command,$(CC) $(LDFLAGS) -o $@ $(1) $(ARLIBS_BEGIN) $(ARLIBS) $(ARLIBS_END) $(LIBS)," LINK $(TARGET_DIR)$@")
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%$(EXESUF): %.o
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$(call LINK,$^)
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%.a:
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$(call quiet-command,rm -f $@ && $(AR) rcs $@ $^," AR $(TARGET_DIR)$@")
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quiet-command = $(if $(V),$1,$(if $(2),@echo $2 && $1, @$1))
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# cc-option
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# Usage: CFLAGS+=$(call cc-option, $(CFLAGS), -falign-functions=0, -malign-functions=0)
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cc-option = $(shell if $(CC) $(1) $(2) -S -o /dev/null -xc /dev/null \
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> /dev/null 2>&1; then echo "$(2)"; else echo "$(3)"; fi ;)
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