From 6e054e57ef6a5f5803c035d25a68616b1520a03f Mon Sep 17 00:00:00 2001 From: James Turner Date: Thu, 7 May 2020 14:13:54 +0100 Subject: [PATCH] Windows: ensure RelWithDebInfo is fast Default CMake RelWithDebInfo pessimizes inlining --- CMakeLists.txt | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/CMakeLists.txt b/CMakeLists.txt index ba4f004f..b1410812 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -165,6 +165,10 @@ if (MSVC) else (EXISTS ${TEST_3RDPARTY_DIR}) set(MSVC_3RDPARTY_ROOT NOT_FOUND CACHE PATH "Location where the third-party dependencies are extracted") endif (EXISTS ${TEST_3RDPARTY_DIR}) + + # override CMake default RelWithDebInfo flags. This is important to ensure + # good performance + set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "/MT /Zi /O2 /Ob2 /D NDEBUG") else (MSVC) set(MSVC_3RDPARTY_ROOT NOT_FOUND CACHE PATH "Location where the third-party dependencies are extracted") endif (MSVC)