X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=rules.mak;h=612ae3709371bfdc3afec7593b18f86401da2acc;hb=6eed18568d985f5e091e96205f5ebf50fb823f4e;hp=dd567802bd3f1c11ca32d7d4d0113403a5fb89c2;hpb=3aa892d75f38c339a1d7e09126e84f06b05b4232;p=qemu.git diff --git a/rules.mak b/rules.mak index dd567802b..612ae3709 100644 --- a/rules.mak +++ b/rules.mak @@ -1,14 +1,72 @@ +# 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 - $(CC) $(CPPFLAGS) $(CFLAGS) -c -o $@ $< + $(call quiet-command,$(CC) $(QEMU_CFLAGS) $(QEMU_INCLUDES) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<," CC $(TARGET_DIR)$@") + +ifeq ($(LIBTOOL),) +%.lo: %.c + @echo "missing libtool. please install and rerun configure"; exit 1 +else +%.lo: %.c + $(call quiet-command,libtool --mode=compile --quiet --tag=CC $(CC) $(QEMU_CFLAGS) $(QEMU_INCLUDES) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<," lt CC $@") +endif %.o: %.S - $(CC) $(CPPFLAGS) -c -o $@ $< + $(call quiet-command,$(CC) $(QEMU_CFLAGS) $(QEMU_INCLUDES) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<," AS $(TARGET_DIR)$@") %.o: %.m - $(CC) $(CFLAGS) $(CPPFLAGS) -c -o $@ $< + $(call quiet-command,$(CC) $(QEMU_CFLAGS) $(QEMU_INCLUDES) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<," OBJC $(TARGET_DIR)$@") -LINK = $(CC) $(LDFLAGS) -o $@ $^ $(LIBS) +LINK = $(call quiet-command,$(CC) $(QEMU_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@ $(1) $(LIBS)," LINK $(TARGET_DIR)$@") %$(EXESUF): %.o - $(LINK) + $(call LINK,$^) + +%.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)/scripts/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: