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| author | seth <getchoo@tuta.io> | 2022-12-15 18:33:03 -0500 |
|---|---|---|
| committer | seth <getchoo@tuta.io> | 2022-12-15 18:50:35 -0500 |
| commit | 7b805a38b9d87c5c5a765b692beca25f6944e897 (patch) | |
| tree | 3a4f16170b400396cf9fa677e9a4cb14c96033aa | |
| parent | fdac978c842ed3a2ddec61603011abb881305a3a (diff) | |
| download | PrismLauncher-7b805a38b9d87c5c5a765b692beca25f6944e897.tar.gz PrismLauncher-7b805a38b9d87c5c5a765b692beca25f6944e897.tar.bz2 PrismLauncher-7b805a38b9d87c5c5a765b692beca25f6944e897.zip | |
feat: improve msvc build flags
- adds /GL, /Gy, and /LTCG for better optimizations
- adds /Gw for a smaller binary size
- adds /guard:cf for added security at runtime
- removes unneeded /GS flag as that's already enabled by default
Signed-off-by: seth <getchoo@tuta.io>
| -rw-r--r-- | CMakeLists.txt | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 75360f86..db731c07 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -28,19 +28,23 @@ set(CMAKE_CXX_STANDARD 17) set(CMAKE_C_STANDARD 11) include(GenerateExportHeader) if(MSVC) - # Use /W4 as /Wall includes unnesserey warnings such as added padding to structs + # /GL enables whole program optimizations + # /Gw helps reduce binary size + # /Gy allows the compiler to package individual functions + # /guard:cf enables control flow guard # /permissive- specify standards-conforming compiler behavior, also enabled by Qt6, default on with std:c++20 - # /GS Adds buffer security checks, default on but incuded anyway to mirror gcc's fstack-protector flag - set(CMAKE_CXX_FLAGS "/W4 /permissive- /GS ${CMAKE_CXX_FLAGS}") + # Use /W4 as /Wall includes unnesserey warnings such as added padding to structs + set(CMAKE_CXX_FLAGS "/GL /Gw /Gy /guard:cf /permissive- /W4 ${CMAKE_CXX_FLAGS}") # LINK accepts /SUBSYSTEM whics sets if we are a WINDOWS (gui) or a CONSOLE programs # This implicitly selects an entrypoint specific to the subsystem selected # qtmain/QtEntryPointLib provides the correct entrypoint (wWinMain) for gui programs # Additinaly LINK autodetects we use a GUI so we can omit /SUBSYSTEM # This allows tests to still use have console without using seperate linker flags + # /LTCG allows for linking wholy optimizated programs # /MANIFEST:NO disables generating a manifest file, we instead provide our own # /STACK sets the stack reserve size, ATL's pack list needs 3-4 MiB as of November 2022, provide 8 MiB - set(CMAKE_EXE_LINKER_FLAGS "/MANIFEST:NO /STACK:8388608 ${CMAKE_EXE_LINKER_FLAGS}") + set(CMAKE_EXE_LINKER_FLAGS "/LTCG /MANIFEST:NO /STACK:8388608 ${CMAKE_EXE_LINKER_FLAGS}") # See https://github.com/ccache/ccache/issues/1040 # Note, CMake 3.25 replaces this with CMAKE_MSVC_DEBUG_INFORMATION_FORMAT |