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CMakeLists.txt: Use -Oz when it is supported on GNU or Clang compilers 

Signed-off-by: Username404 <w.iron.zombie@gmail.com>
This commit is contained in:
Username404 2022-11-21 13:58:27 +00:00
parent 782fdfdcb9
commit 17cc3fe0b1
Signed by: Username404-59
GPG Key ID: 7AB361FBB257A5D1
1 changed files with 4 additions and 0 deletions
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CMakeLists.txt
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@ -88,6 +88,10 @@ if (${IS_GNU} OR ${IS_CLANG})
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fstrict-enums -pipe -funwind-tables -fasynchronous-unwind-tables -frtti -fexceptions")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -ffunction-sections -fdata-sections -fmerge-all-constants -ftree-vectorize -fno-math-errno")
include(CheckCXXCompilerFlag)
check_cxx_compiler_flag("-Oz" Z_OPTIMIZATION_SUPPORTED)
if (Z_OPTIMIZATION_SUPPORTED)
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -Oz")
endif()
set(CF_PROTECTION "-fcf-protection")
check_cxx_compiler_flag("${CF_PROTECTION}" CF_PROTECTION_SUPPORTED)
if (CF_PROTECTION_SUPPORTED)