diff options
Diffstat (limited to 'Makefile.pre.in')
| -rw-r--r-- | Makefile.pre.in | 31 |
1 files changed, 24 insertions, 7 deletions
diff --git a/Makefile.pre.in b/Makefile.pre.in index 5989143..4082313 100644 --- a/Makefile.pre.in +++ b/Makefile.pre.in @@ -42,6 +42,11 @@ SVNVERSION= @SVNVERSION@ HGVERSION= @HGVERSION@ HGTAG= @HGTAG@ HGBRANCH= @HGBRANCH@ +PGO_PROF_GEN_FLAG=@PGO_PROF_GEN_FLAG@ +PGO_PROF_USE_FLAG=@PGO_PROF_USE_FLAG@ +LLVM_PROF_MERGER=@LLVM_PROF_MERGER@ +LLVM_PROF_FILE=@LLVM_PROF_FILE@ +LLVM_PROF_ERR=@LLVM_PROF_ERR@ GNULD= @GNULD@ @@ -204,8 +209,7 @@ TCLTK_INCLUDES= @TCLTK_INCLUDES@ TCLTK_LIBS= @TCLTK_LIBS@ # The task to run while instrument when building the profile-opt target -PROFILE_TASK= $(srcdir)/Tools/pybench/pybench.py -n 2 --with-gc --with-syscheck -#PROFILE_TASK= $(srcdir)/Lib/test/regrtest.py +PROFILE_TASK=-m test.regrtest >/dev/null 2>&1 # === Definitions added by makesetup === @@ -420,27 +424,38 @@ LIBRARY_OBJS= \ all: build_all build_all: $(BUILDPYTHON) oldsharedmods sharedmods gdbhooks -# Compile a binary with gcc profile guided optimization. +# Compile a binary with profile guided optimization. profile-opt: + @if [ $(LLVM_PROF_ERR) == yes ]; then \ + echo "Error: Cannot perform PGO build because llvm-profdata was not found in PATH" ;\ + echo "Please add it to PATH and run ./configure again" ;\ + exit 1;\ + fi @echo "Building with support for profile generation:" $(MAKE) clean + $(MAKE) profile-removal $(MAKE) build_all_generate_profile - @echo "Running benchmark to generate profile data:" $(MAKE) profile-removal + @echo "Running code to generate profile data (this can take a while):" $(MAKE) run_profile_task + $(MAKE) build_all_merge_profile @echo "Rebuilding with profile guided optimizations:" $(MAKE) clean $(MAKE) build_all_use_profile + $(MAKE) profile-removal build_all_generate_profile: - $(MAKE) all CFLAGS="$(CFLAGS) -fprofile-generate" LIBS="$(LIBS) -lgcov" + $(MAKE) all CFLAGS="$(CFLAGS) $(PGO_PROF_GEN_FLAG)" LDFLAGS="$(LDFLAGS) $(PGO_PROF_GEN_FLAG)" LIBS="$(LIBS)" run_profile_task: : # FIXME: can't run for a cross build - ./$(BUILDPYTHON) $(PROFILE_TASK) + $(LLVM_PROF_FILE) ./$(BUILDPYTHON) $(PROFILE_TASK) || true + +build_all_merge_profile: + $(LLVM_PROF_MERGER) build_all_use_profile: - $(MAKE) all CFLAGS="$(CFLAGS) -fprofile-use" + $(MAKE) all CFLAGS="$(CFLAGS) $(PGO_PROF_USE_FLAG)" coverage: @echo "Building with support for coverage checking:" @@ -1330,9 +1345,11 @@ clean: pycremoval find build -name 'fficonfig.h' -exec rm -f {} ';' || true find build -name 'fficonfig.py' -exec rm -f {} ';' || true -rm -f Lib/lib2to3/*Grammar*.pickle + -rm -rf build profile-removal: find . -name '*.gc??' -exec rm -f {} ';' + find . -name '*.profclang?' -exec rm -f {} ';' clobber: clean profile-removal -rm -f $(BUILDPYTHON) $(PGEN) $(LIBRARY) $(LDLIBRARY) $(DLLLIBRARY) \ |