diff options
author | Richard Braun <rbraun@sceen.net> | 2017-10-01 18:28:43 +0200 |
---|---|---|
committer | Richard Braun <rbraun@sceen.net> | 2017-10-01 18:28:43 +0200 |
commit | 6a61a53ab79aeb611361c60f69543d7e7d9b8c62 (patch) | |
tree | cb6ce1312381e3df18fba4adbdbdeb3179256ef5 | |
parent | 5c209f9abd290eaf9b29f98cfd4102ed2a93507f (diff) |
Makefile: generate the linker script dependencies
-rw-r--r-- | Makefile | 12 |
1 files changed, 10 insertions, 2 deletions
@@ -71,9 +71,16 @@ define xbuild_compile $(COMPILE) -MMD -MP -c -o $@ $< endef +# $(call xbuild_gen_linker_script_depfile,<linker_script>) +define xbuild_gen_linker_script_depfile +$(call xbuild_replace_source_suffix,d,$(1)) +endef + define xbuild_gen_linker_script $(call xbuild_action,LDS,$@) \ - $(CPP) $(XBUILD_CPPFLAGS) -P -o $@ $< + $(CPP) $(XBUILD_CPPFLAGS) -MMD -MP \ + -MF $(call xbuild_gen_linker_script_depfile,$<) \ + -MT $@ -P -o $@ $< endef # $(call xbuild_link,<objects>) @@ -281,6 +288,7 @@ COMPILE := $(CC) $(XBUILD_CPPFLAGS) $(XBUILD_CFLAGS) x15_SOURCES := $(x15_SOURCES-y) x15_OBJDEPS := $(call xbuild_replace_source_suffix,d,$(x15_SOURCES)) x15_OBJECTS := $(call xbuild_replace_source_suffix,o,$(x15_SOURCES)) +x15_LDS_D := $(call xbuild_gen_linker_script_depfile,$(x15_LDS_S)) x15_LDS := $(basename $(x15_LDS_S)) XBUILD_LDFLAGS += -Xlinker -T $(x15_LDS) @@ -300,7 +308,7 @@ x15_DEPS := $(x15_LDS) .x15.sorted_init_ops # rules file doesn't exist, the main source file is enough to trigger a # rebuild. Afterwards, the dependency rules file is included here and the # rules provide correct incremental compilation. --include $(x15_OBJDEPS) +-include $(x15_OBJDEPS) $(x15_LDS_D) %.o: %.c include/generated/autoconf.h $(xbuild_compile) |