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| author | Junio C Hamano <gitster@pobox.com> | 2011-07-19 09:32:52 -0700 |
|---|---|---|
| committer | Junio C Hamano <gitster@pobox.com> | 2011-07-19 09:32:52 -0700 |
| commit | d37b2991b1edea76c01ec05cc383005b55c96e36 (patch) | |
| tree | 84981b73f1de1fb6ff924059da0c1d77e3d6ccdd /Makefile | |
| parent | 55272570dbe1c3f2a6f2f142c4bfe806665cd111 (diff) | |
| parent | 39001007390a699265f16da47474d2b112118931 (diff) | |
| download | git-d37b2991b1edea76c01ec05cc383005b55c96e36.tar.gz | |
Merge branch 'ak/gcc46-profile-feedback'
* ak/gcc46-profile-feedback:
Add explanation of the profile feedback build to the README
Add profile feedback build to git
Add option to disable NORETURN
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 22 |
1 files changed, 22 insertions, 0 deletions
@@ -153,6 +153,9 @@ all:: # that tells runtime paths to dynamic libraries; # "-Wl,-rpath=/path/lib" is used instead. # +# Define NO_NORETURN if using buggy versions of gcc 4.6+ and profile feedback, +# as the compiler can crash (http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49299) +# # Define USE_NSEC below if you want git to care about sub-second file mtimes # and ctimes. Note that you need recent glibc (at least 2.2.4) for this, and # it will BREAK YOUR LOCAL DIFFS! show-diff and anything using it will likely @@ -1378,6 +1381,9 @@ endif ifdef USE_ST_TIMESPEC BASIC_CFLAGS += -DUSE_ST_TIMESPEC endif +ifdef NO_NORETURN + BASIC_CFLAGS += -DNO_NORETURN +endif ifdef NO_NSEC BASIC_CFLAGS += -DNO_NSEC endif @@ -2499,3 +2505,19 @@ cover_db: coverage-report cover_db_html: cover_db cover -report html -outputdir cover_db_html cover_db + +### profile feedback build +# +.PHONY: profile-all profile-clean + +PROFILE_GEN_CFLAGS := $(CFLAGS) -fprofile-generate -DNO_NORETURN=1 +PROFILE_USE_CFLAGS := $(CFLAGS) -fprofile-use -fprofile-correction -DNO_NORETURN=1 + +profile-clean: + $(RM) $(addsuffix *.gcda,$(object_dirs)) + $(RM) $(addsuffix *.gcno,$(object_dirs)) + +profile-all: profile-clean + $(MAKE) CFLAGS="$(PROFILE_GEN_CFLAGS)" all + $(MAKE) CFLAGS="$(PROFILE_GEN_CFLAGS)" -j1 test + $(MAKE) CFLAGS="$(PROFILE_USE_CFLAGS)" all |