From 12d57a6373d988b6e4e9a51dae75404392dc74fa Mon Sep 17 00:00:00 2001 From: James Turner Date: Wed, 13 May 2020 14:23:00 +0100 Subject: [PATCH] Adjust RelWithDebInfo optimisation for Clang This should give a bit of speed boost to macOS official builds. --- CMakeLists.txt | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) diff --git a/CMakeLists.txt b/CMakeLists.txt index f1dada75..a5d01295 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -445,15 +445,18 @@ if (CLANG) # fix Boost compilation :( set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++") - if (CMAKE_BUILD_TYPE STREQUAL "Debug") - set(CMAKE_C_FLAGS - "${CMAKE_C_FLAGS} -O0 -fno-omit-frame-pointer -fno-inline-functions") - set(CMAKE_CXX_FLAGS - "${CMAKE_CXX_FLAGS} -O0 -fno-omit-frame-pointer -fno-inline-functions") - elseif (ENABLE_SIMD) + # override CMake default RelWithDebInfo flags. + set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O3 -g -DNDEBUG") + set(CMAKE_C_FLAGS_RELWITHDEBINFO "-O3 -g -DNDEBUG") + + if (ENABLE_SIMD) if (X86 OR X86_64) set(CMAKE_C_FLAGS_RELEASE "-O3 -msse2 -mfpmath=sse -ftree-vectorize -ftree-slp-vectorize") set(CMAKE_CXX_FLAGS_RELEASE "-O3 -msse2 -mfpmath=sse -ftree-vectorize -ftree-slp-vectorize") + + # propogate to the RelWithDebInfo flags + set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELEASE} -g -DNDEBUG") + set(CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELEASE} -g -DNDEBUG") endif() endif() endif()