diff options
Diffstat (limited to 'scripts/Makefile.build')
| -rw-r--r-- | scripts/Makefile.build | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/scripts/Makefile.build b/scripts/Makefile.build index 26eb701f8d..f8362fbd89 100644 --- a/scripts/Makefile.build +++ b/scripts/Makefile.build @@ -181,7 +181,6 @@ $(obj)/%.i: $(src)/%.c FORCE cmd_gensymtypes = \ $(CPP) -D__GENKSYMS__ $(c_flags) $< | \ $(GENKSYMS) $(if $(1), -T $(2)) \ - $(patsubst y,-s _,$(CONFIG_HAVE_UNDERSCORE_SYMBOL_PREFIX)) \ $(if $(KBUILD_PRESERVE),-p) \ -r $(firstword $(wildcard $(2:.symtypes=.symref) /dev/null)) @@ -231,6 +230,11 @@ cmd_modversions = \ endif ifdef CONFIG_FTRACE_MCOUNT_RECORD +# gcc 5 supports generating the mcount tables directly +ifneq ($(call cc-option,-mrecord-mcount,y),y) +KBUILD_CFLAGS += -mrecord-mcount +else +# else do it all manually ifdef BUILD_C_RECORDMCOUNT ifeq ("$(origin RECORDMCOUNT_WARN)", "command line") RECORDMCOUNT_FLAGS = -w @@ -259,6 +263,7 @@ cmd_record_mcount = \ "$(CC_FLAGS_FTRACE)" ]; then \ $(sub_cmd_record_mcount) \ fi; +endif # -record-mcount endif define rule_cc_o_c @@ -450,7 +455,4 @@ ifneq ($(cmd_files),) include $(cmd_files) endif -# Declare the contents of the .PHONY variable as phony. We keep that -# information in a variable se we can use it in if_changed and friends. - .PHONY: $(PHONY) |