From 0ab30f9e391ae4497e5e8e4009db02f4bf58810a Mon Sep 17 00:00:00 2001 From: Stefan Werner Date: Tue, 24 Apr 2018 13:23:52 +0200 Subject: Build deps: Fixed TBB build with GCC 6 and newer, turning off dead store elimination. --- build_files/build_environment/patches/cmakelists_tbb.txt | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'build_files/build_environment') diff --git a/build_files/build_environment/patches/cmakelists_tbb.txt b/build_files/build_environment/patches/cmakelists_tbb.txt index 1be9ca25f6a..da9fd938943 100644 --- a/build_files/build_environment/patches/cmakelists_tbb.txt +++ b/build_files/build_environment/patches/cmakelists_tbb.txt @@ -88,6 +88,14 @@ elseif(WIN32) set(DISABLE_RTTI "/EHs- /GR- ") endif() +if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU") + include(CheckCXXCompilerFlag) + check_cxx_compiler_flag("-flifetime-dse=1" SUPPORTS_FLIFETIME) + if (SUPPORTS_FLIFETIME) + add_definitions(-flifetime-dse=1) + endif() +endif() + # Linker export definitions if (WIN32) add_custom_command(OUTPUT tbb.def -- cgit v1.2.3