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CMake: Test for -f(no-)exceptions support before using it

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Sam Edwards 2019-01-11 07:50:13 -07:00
parent cfa1f043dd
commit 9ee4f1f4e2
1 changed files with 9 additions and 2 deletions
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11
CMakeLists.txt
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@ -92,12 +92,19 @@ set(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "")
# As long as we're figuring out compiler flags, figure out the flags for # As long as we're figuring out compiler flags, figure out the flags for
# turning C++ exception support on and off # turning C++ exception support on and off
include(CheckCXXCompilerFlag)
if(MSVC) if(MSVC)
set(cxx_exceptions_on "/EHsc") set(cxx_exceptions_on "/EHsc")
set(cxx_exceptions_off "/D_HAS_EXCEPTIONS=0") set(cxx_exceptions_off "/D_HAS_EXCEPTIONS=0")
else() else()
set(cxx_exceptions_on "-fexceptions") check_cxx_compiler_flag("-fno-exceptions" COMPILER_SUPPORTS_FEXCEPTIONS)
set(cxx_exceptions_off "-fno-exceptions") if(COMPILER_SUPPORTS_FEXCEPTIONS)
set(cxx_exceptions_on "-fexceptions")
set(cxx_exceptions_off "-fno-exceptions")
else()
set(cxx_exceptions_on)
set(cxx_exceptions_off)
endif()
endif() endif()
set(cxx_exceptions_property "$<BOOL:$<TARGET_PROPERTY:CXX_EXCEPTIONS>>") set(cxx_exceptions_property "$<BOOL:$<TARGET_PROPERTY:CXX_EXCEPTIONS>>")
add_compile_options( add_compile_options(