cmake: Respect CMAKE_REQUIRED_* variables in CHECK_C_COMPILER_FLAG_SSP
Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
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родитель
fd157befae
Коммит
99a9cf0fcb
@ -16,11 +16,14 @@
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# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
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# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
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include_guard(GLOBAL)
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include(CheckCSourceCompiles)
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include(CheckCSourceCompiles)
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function(CHECK_C_COMPILER_FLAG_SSP _FLAG _RESULT)
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macro(CHECK_C_COMPILER_FLAG_SSP _FLAG _RESULT)
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set(SAFE_CMAKE_REQUIRED_DEFINITIONS "${CMAKE_REQUIRED_DEFINITIONS}")
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set(SAFE_CMAKE_REQUIRED_DEFINITIONS "${CMAKE_REQUIRED_DEFINITIONS}")
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set(CMAKE_REQUIRED_DEFINITIONS "${_FLAG}")
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set(CMAKE_REQUIRED_DEFINITIONS "${_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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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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set(CMAKE_REQUIRED_DEFINITIONS "${SAFE_CMAKE_REQUIRED_DEFINITIONS}")
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endfunction(CHECK_C_COMPILER_FLAG_SSP)
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endmacro(CHECK_C_COMPILER_FLAG_SSP)
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