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bug 1250971 - pass cgthreads with number of cores for Windows PGO builds. r=gps

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MozReview-Commit-ID: Hf5QoDHXPUz

--HG--
extra : commitid : 42qB3HeFqda
extra : rebase_source : 21048ea52c2e0ef60eaac79b886048016c6204c0
extra : amend_source : 11f4ec10f94338e7af283164dc1300e7cd96233b
extra : histedit_source : b0e629b9eee1bcfffb312a3a43a137c7c957e0e0
This commit is contained in:
Ted Mielczarek 2016-02-24 10:27:27 -08:00
parent 5a04584913
commit b862f7401a
1 changed files with 4 additions and 2 deletions
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6
old-configure.in
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@ -2192,7 +2192,9 @@ ia64*-hpux*)
fi
dnl For profile-guided optimization
PROFILE_GEN_CFLAGS="-GL"
PROFILE_GEN_LDFLAGS="-LTCG:PGINSTRUMENT"
num_cores=$($PYTHON -c 'import multiprocessing; print(min(8,multiprocessing.cpu_count()))')
cgthreads="-CGTHREADS:${num_cores}"
PROFILE_GEN_LDFLAGS="-LTCG:PGINSTRUMENT $cgthreads"
dnl XXX: PGO builds can fail with warnings treated as errors,
dnl specifically "no profile data available" appears to be
dnl treated as an error sometimes. This might be a consequence
@ -2203,7 +2205,7 @@ ia64*-hpux*)
PROFILE_USE_CFLAGS="-GL -wd4624 -wd4952"
dnl XXX: should be -LTCG:PGOPTIMIZE, but that fails on libxul.
dnl Probably also a compiler bug, but what can you do?
PROFILE_USE_LDFLAGS="-LTCG:PGUPDATE"
PROFILE_USE_LDFLAGS="-LTCG:PGUPDATE $cgthreads"
LDFLAGS="$LDFLAGS -DYNAMICBASE"
RCFLAGS="-nologo"
if test "$_CC_MAJOR_VERSION" = "18" -a "$_CC_BUILD_VERSION" = "31101"; then