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Add LTO option to CMakeLists.txt

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Clownacy 2020-01-22 23:39:05 +00:00
parent 3263668156
commit db9350bdb9
2 changed files with 3 additions and 1 deletions
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3
CMakeLists.txt
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@ -16,6 +16,7 @@ option(FIX_BUGS "Fix various bugs in the game" OFF)
option(DEBUG_SAVE "Re-enable the ability to drag-and-drop save files onto the window" OFF)
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(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)
@ -444,7 +445,7 @@ add_custom_command(TARGET CSE2 POST_BUILD
)
# Enable link-time optimisation if available
if(NOT CMAKE_BUILD_TYPE STREQUAL "Debug")
if(LTO)
if((${CMAKE_VERSION} VERSION_EQUAL 3.9) OR (${CMAKE_VERSION} VERSION_GREATER 3.9))
include(CheckIPOSupported)
check_ipo_supported(RESULT result)

1
README.md
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@ -60,6 +60,7 @@ You can also add the following flags:
Name | Function
--------|--------
`-DLTO=ON` | Enable link-time optimisation
`-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