CMake: -O4 doesn't do anything in Clang, use -O3

6 years ago · 4de703430f
parent 17e51ed438
commit 4de703430f
1 changed files with 1 additions and 1 deletions
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@ -204,7 +204,7 @@ if( CMAKE_CXX_COMPILER_ID MATCHES "Clang" )

    set( CMAKE_CXX_FLAGS_DEBUG          "-g ${CMAKE_CXX_FLAGS_DEBUG}" )
    set( CMAKE_CXX_FLAGS_MINSIZEREL     "-Os -DNDEBUG" )
-    set( CMAKE_CXX_FLAGS_RELEASE        "-O4 -DNDEBUG" )
+    set( CMAKE_CXX_FLAGS_RELEASE        "-O3 -DNDEBUG" )
    set( CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g" )

    set( CMAKE_TOOLCHAIN_PREFIX "llvm-" )