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| author | Brett Cannon <brett@python.org> | 2015-09-18 15:17:37 -0700 |
|---|---|---|
| committer | Brett Cannon <brett@python.org> | 2015-09-18 15:17:37 -0700 |
| commit | 01253403eeb29dc12f5d95c961a76f30e40b865a (patch) | |
| tree | c5e9cad722dd014322082e349e71cc7cea82589f /configure.ac | |
| parent | c6b4296f9881130673b255be15b521b9d098141b (diff) | |
| parent | 5f6fd63f998e32bbe732fe7e9ac3d3de4841e37b (diff) | |
| download | cpython-01253403eeb29dc12f5d95c961a76f30e40b865a.tar.gz | |
Merge for issue #24915
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 180a421f70..1f8b9eafde 100644 --- a/configure.ac +++ b/configure.ac @@ -1218,6 +1218,49 @@ else AC_MSG_RESULT(no); Py_DEBUG='false' fi], [AC_MSG_RESULT(no)]) +# Enable PGO flags. +AC_SUBST(PGO_PROF_GEN_FLAG) +AC_SUBST(PGO_PROF_USE_FLAG) +AC_SUBST(LLVM_PROF_MERGER) +AC_SUBST(LLVM_PROF_FILE) +AC_SUBST(LLVM_PROF_ERR) +AC_SUBST(LLVM_PROF_FOUND) +AC_CHECK_PROG(LLVM_PROF_FOUND, llvm-profdata, found, not-found) +LLVM_PROF_ERR=no +case $CC in + *clang*) + # Any changes made here should be reflected in the GCC+Darwin case below + PGO_PROF_GEN_FLAG="-fprofile-instr-generate" + PGO_PROF_USE_FLAG="-fprofile-instr-use=code.profclangd" + LLVM_PROF_MERGER="llvm-profdata merge -output=code.profclangd *.profclangr" + LLVM_PROF_FILE="LLVM_PROFILE_FILE=\"code-%p.profclangr\"" + if test $LLVM_PROF_FOUND = not-found + then + LLVM_PROF_ERR=yes + fi + ;; + *gcc*) + case $ac_sys_system in + Darwin*) + PGO_PROF_GEN_FLAG="-fprofile-instr-generate" + PGO_PROF_USE_FLAG="-fprofile-instr-use=code.profclangd" + LLVM_PROF_MERGER="llvm-profdata merge -output=code.profclangd *.profclangr" + LLVM_PROF_FILE="LLVM_PROFILE_FILE=\"code-%p.profclangr\"" + if test $LLVM_PROF_FOUND = not-found + then + LLVM_PROF_ERR=yes + fi + ;; + *) + PGO_PROF_GEN_FLAG="-fprofile-generate" + PGO_PROF_USE_FLAG="-fprofile-use -fprofile-correction" + LLVM_PROF_MERGER="true" + LLVM_PROF_FILE="" + ;; + esac + ;; +esac + # XXX Shouldn't the code above that fiddles with BASECFLAGS and OPT be # merged with this chunk of code? |