From b678445901b7fbae3d6d5816305cd3569ad9364a Mon Sep 17 00:00:00 2001 From: Allan Sandfeld Jensen Date: Fri, 27 Feb 2015 12:44:47 +0100 Subject: 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 Reviewed-by: Thiago Macieira --- mkspecs/common/gcc-base.conf | 2 ++ 1 file changed, 2 insertions(+) (limited to 'mkspecs/common/gcc-base.conf') 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 += -- cgit v1.2.3