f9728943ff
Non-existent -I paths are dropped silently by the compiler, but still it is not polite to pass bogus options. Configure-time tests do not need any include files from the source path, so only include -I flags at make time (when they're properly expanded). Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
65 lines
2.0 KiB
Makefile
65 lines
2.0 KiB
Makefile
|
|
# Don't use implicit rules or variables
|
|
# we have explicit rules for everything
|
|
MAKEFLAGS += -rR
|
|
|
|
# Files with this suffixes are final, don't try to generate them
|
|
# using implicit rules
|
|
%.d:
|
|
%.h:
|
|
%.c:
|
|
%.m:
|
|
%.mak:
|
|
|
|
# Flags for dependency generation
|
|
QEMU_DGFLAGS += -MMD -MP -MT $@ -MF $(*D)/$(*F).d
|
|
|
|
%.o: %.c
|
|
$(call quiet-command,$(CC) $(QEMU_CFLAGS) $(QEMU_INCLUDES) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<," CC $(TARGET_DIR)$@")
|
|
|
|
%.o: %.S
|
|
$(call quiet-command,$(CC) $(QEMU_CFLAGS) $(QEMU_INCLUDES) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<," AS $(TARGET_DIR)$@")
|
|
|
|
%.o: %.m
|
|
$(call quiet-command,$(CC) $(QEMU_CFLAGS) $(QEMU_INCLUDES) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<," OBJC $(TARGET_DIR)$@")
|
|
|
|
LINK = $(call quiet-command,$(CC) $(QEMU_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@ $(1) $(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, -falign-functions=0, -malign-functions=0)
|
|
|
|
cc-option = $(if $(shell $(CC) $1 $2 -S -o /dev/null -xc /dev/null \
|
|
>/dev/null 2>&1 && echo OK), $2, $3)
|
|
|
|
VPATH_SUFFIXES = %.c %.h %.S %.m %.mak %.texi
|
|
set-vpath = $(if $1,$(foreach PATTERN,$(VPATH_SUFFIXES),$(eval vpath $(PATTERN) $1)))
|
|
|
|
# find-in-path
|
|
# Usage: $(call find-in-path, prog)
|
|
# Looks in the PATH if the argument contains no slash, else only considers one
|
|
# specific directory. Returns an # empty string if the program doesn't exist
|
|
# there.
|
|
find-in-path = $(if $(find-string /, $1), \
|
|
$(wildcard $1), \
|
|
$(wildcard $(patsubst %, %/$1, $(subst :, ,$(PATH)))))
|
|
|
|
# Generate timestamp files for .h include files
|
|
|
|
%.h: %.h-timestamp
|
|
@test -f $@ || cp $< $@
|
|
|
|
%.h-timestamp: %.mak
|
|
$(call quiet-command, sh $(SRC_PATH)/create_config < $< > $@, " GEN $*.h")
|
|
@cmp $@ $*.h >/dev/null 2>&1 || cp $@ $*.h
|
|
|
|
# will delete the target of a rule if commands exit with a nonzero exit status
|
|
.DELETE_ON_ERROR:
|