shithub: cstory

--- a/CMakeLists.txt

+++ b/CMakeLists.txt

@@ -16,6 +16,8 @@

 set(RENDERER "SDLTexture" CACHE STRING "Which renderer the game should use: 'OpenGL3' for an OpenGL 3.2 renderer, 'OpenGLES2' for an OpenGL ES 2.0 renderer, 'SDLTexture' for SDL2's hardware-accelerated Texture API, 'SDLSurface' for SDL2's software-rendered Surface API, or 'Software' for a handwritten software renderer")

 option(LTO "Enable link-time optimisation" OFF)

+option(NATIVE_OPTIMIZATIONS "Enable processor-specific optimisations (executable might not work on other architectures) (GCC-compatible compilers only)" OFF)

 option(WARNINGS "Enable common compiler warnings (for GCC-compatible compilers and MSVC only)" OFF)

 option(WARNINGS_ALL "Enable ALL compiler warnings (for Clang and MSVC only)" OFF)

 option(WARNINGS_FATAL "Stop compilation on any compiler warning (for GCC-compatible compilers and MSVC only)" OFF)

@@ -447,6 +449,17 @@

 		if(result)

 			set_target_properties(CSE2 PROPERTIES INTERPROCEDURAL_OPTIMIZATION TRUE)

 		endif()

+	endif()

+endif()

+# Enable -march=native if available

+if(NATIVE_OPTIMIZATIONS)

+	include(CheckCXXCompilerFlag)

+	CHECK_CXX_COMPILER_FLAG("-march=native" COMPILER_SUPPORTS_MARCH_NATIVE)

+	if(COMPILER_SUPPORTS_MARCH_NATIVE)

+		target_compile_options(CSE2 PRIVATE -march=native)

+	else()

+		message(WARNING "Couldn't activate native optimizations ! (Unsupported compiler)")

 	endif()

 endif()

--- a/README.md

+++ b/README.md

@@ -61,6 +61,7 @@

 Name | Function

 --------|--------

 `-DLTO=ON` | Enable link-time optimisation

+`-DNATIVE_OPTIMIZATIONS=ON` | Enable processor-specific optimisations (executable might not work on other architectures) (GCC-compatible compilers only)

 `-DJAPANESE=ON` | Enable the Japanese-language build (instead of the unofficial Aeon Genesis English translation)

 `-DFIX_BUGS=ON` | Fix various bugs in the game

 `-DDEBUG_SAVE=ON` | Re-enable the ability to drag-and-drop save files onto the window

--

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