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cmake/Modules/CheckCCompilerFlagSSP.cmake
29 строк
1015 B
Andreas Schneider
cmake: Fix SSP compiler flag check
29 авг 2018, 22:21
29 авг 2018, 22:21
aba6e34
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# - Check whether the C compiler supports a given flag in the # context of a stack checking compiler option. # CHECK_C_COMPILER_FLAG_SSP(FLAG VARIABLE) # # FLAG - the compiler flag # VARIABLE - variable to store the result # # This actually calls check_c_source_compiles. # See help for CheckCSourceCompiles for a listing of variables # that can modify the build. # Copyright (c) 2006, Alexander Neundorf, <neundorf@kde.org> # # Redistribution and use is allowed according to the terms of the BSD license. # For details see the accompanying COPYING-CMAKE-SCRIPTS file. # Requires cmake 3.10 #include_guard(GLOBAL) include(CheckCSourceCompiles) macro(CHECK_C_COMPILER_FLAG_SSP _FLAG _RESULT) set(SAFE_CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}") set(CMAKE_REQUIRED_FLAGS "${_FLAG}") check_c_source_compiles("int main(int argc, char **argv) { char buffer[256]; return buffer[argc]=0;}" ${_RESULT}) set(CMAKE_REQUIRED_FLAGS "${SAFE_CMAKE_REQUIRED_FLAGS}") endmacro(CHECK_C_COMPILER_FLAG_SSP)