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Change CMakeLists.txt to add -mfsrra and -mfsca only if supported by compiler

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GCC4.7 does not support these flags and cause a failure to build
This commit is contained in:
Colton Pawielski 2023-03-04 16:13:44 -06:00
parent ac6914398c
commit 5bb2691b91
1 changed files with 10 additions and 1 deletions
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11
CMakeLists.txt
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@ -24,7 +24,16 @@ if(NOT PLATFORM_DREAMCAST)
set(FIND_LIBRARY_USE_LIB32_PATHS true)
set(FIND_LIBRARY_USE_LIB64_PATHS false)
else()
set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -mfsrra -ffp-contract=fast -mfsca -ffast-math")
include(CheckCCompilerFlag)
check_c_compiler_flag("-mfsrra" COMPILER_HAS_FSRRA)
check_c_compiler_flag("-mfsca" COMPILER_HAS_FSCA)
if(COMPILER_HAS_FSRRA)
set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -mfsrra")
endif()
if(COMPILER_HAS_FSCA)
set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -mfsca")
endif()
set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -ffp-contract=fast -ffast-math")
endif()
set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -O3 -fexpensive-optimizations")