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| author | Allan Sandfeld Jensen <allan.jensen@theqtcompany.com> | 2015-02-27 12:44:47 +0100 |
|---|---|---|
| committer | Allan Sandfeld Jensen <allan.jensen@theqtcompany.com> | 2015-03-04 16:45:05 +0000 |
| commit | b678445901b7fbae3d6d5816305cd3569ad9364a (patch) | |
| tree | 385c41256cd0d2a6f0992dae6fc9ef1cfd264684 /mkspecs/common/gcc-base.conf | |
| parent | 8ac63a3323585de28428df3f376bdf3f3c2a67fb (diff) | |
Fix leaking ISA extensions in LTCG builds
Due to common subexpression elimination instruction set extensions may
leak from the objects where they were enabled when doing link-time
optimizations.
To avoid that this patch disables LTCG/LTO on files built with extra
instruction set extensions.
Change-Id: Ie34ad900be7fb04a0dc4d3562187ee170c183333
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Diffstat (limited to 'mkspecs/common/gcc-base.conf')
| -rw-r--r-- | mkspecs/common/gcc-base.conf | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/mkspecs/common/gcc-base.conf b/mkspecs/common/gcc-base.conf index d21ee38fb7..ff89accace 100644 --- a/mkspecs/common/gcc-base.conf +++ b/mkspecs/common/gcc-base.conf @@ -50,6 +50,7 @@ QMAKE_CFLAGS_EXCEPTIONS_OFF += -fno-exceptions QMAKE_CFLAGS_SPLIT_SECTIONS += -ffunction-sections QMAKE_CFLAGS_LTCG = -flto -fno-fat-lto-objects QMAKE_CFLAGS_LTCG_FATOBJECTS = -ffat-lto-objects +QMAKE_CFLAGS_DISABLE_LTCG = -fno-lto QMAKE_CXXFLAGS += $$QMAKE_CFLAGS QMAKE_CXXFLAGS_DEPS += $$QMAKE_CFLAGS_DEPS @@ -66,6 +67,7 @@ QMAKE_CXXFLAGS_EXCEPTIONS_OFF += $$QMAKE_CFLAGS_EXCEPTIONS_OFF QMAKE_CXXFLAGS_SPLIT_SECTIONS += $$QMAKE_CFLAGS_SPLIT_SECTIONS QMAKE_CXXFLAGS_LTCG = $$QMAKE_CFLAGS_LTCG QMAKE_CXXFLAGS_LTCG_FATOBJECTS = $$QMAKE_CFLAGS_LTCG_FATOBJECTS +QMAKE_CXXFLAGS_DISABLE_LTCG = $$QMAKE_CFLAGS_DISABLE_LTCG QMAKE_LFLAGS += QMAKE_LFLAGS_DEBUG += |