qemu/rules.mak
Juan Quintela a558ee1776 Rename CPPFLAGS to QEMU_CFLAGS
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:
2009-08-10 13:05:39 -05:00

26 lines
863 B
Makefile

%.o: %.c
$(call quiet-command,$(CC) $(QEMU_CFLAGS) $(CFLAGS) -c -o $@ $<," CC $(TARGET_DIR)$@")
%.o: %.S
$(call quiet-command,$(CC) $(QEMU_CFLAGS) $(CLAGS) -c -o $@ $<," AS $(TARGET_DIR)$@")
%.o: %.m
$(call quiet-command,$(CC) $(QEMU_CFLAGS) $(CFLAGS) -c -o $@ $<," OBJC $(TARGET_DIR)$@")
LINK = $(call quiet-command,$(CC) $(LDFLAGS) -o $@ $(1) $(ARLIBS_BEGIN) $(ARLIBS) $(ARLIBS_END) $(LIBS)," LINK $(TARGET_DIR)$@")
%$(EXESUF): %.o
$(call LINK,$^)
%.a:
$(call quiet-command,rm -f $@ && $(AR) rcs $@ $^," AR $(TARGET_DIR)$@")
quiet-command = $(if $(V),$1,$(if $(2),@echo $2 && $1, @$1))
# cc-option
# Usage: CFLAGS+=$(call cc-option, $(CFLAGS), -falign-functions=0, -malign-functions=0)
cc-option = $(shell if $(CC) $(1) $(2) -S -o /dev/null -xc /dev/null \
> /dev/null 2>&1; then echo "$(2)"; else echo "$(3)"; fi ;)