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27 lines
1005 B
CMake
27 lines
1005 B
CMake
# - Check whether the C compiler supports a given flag in the
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# context of a stack checking compiler option.
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# CHECK_C_COMPILER_FLAG_SSP(FLAG VARIABLE)
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#
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# FLAG - the compiler flag
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# VARIABLE - variable to store the result
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#
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# This actually calls check_c_source_compiles.
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# See help for CheckCSourceCompiles for a listing of variables
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# that can modify the build.
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# Copyright (c) 2006, Alexander Neundorf, <neundorf@kde.org>
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#
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# Redistribution and use is allowed according to the terms of the BSD license.
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# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
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include(CheckCSourceCompiles)
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function(CHECK_C_COMPILER_FLAG_SSP _FLAG _RESULT)
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set(SAFE_CMAKE_REQUIRED_DEFINITIONS "${CMAKE_REQUIRED_DEFINITIONS}")
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set(CMAKE_REQUIRED_DEFINITIONS "${_FLAG}")
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check_c_source_compiles("int main(int argc, char **argv) { char buffer[256]; return buffer[argc]=0;}" ${_RESULT})
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set(CMAKE_REQUIRED_DEFINITIONS "${SAFE_CMAKE_REQUIRED_DEFINITIONS}")
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endfunction(CHECK_C_COMPILER_FLAG_SSP)
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