CMakeLists.txt: detect -fcf-protection=full and -fstack-clash-protection
Introduced with GCC 8.2
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@ -570,6 +570,14 @@ else()
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add_cxx_flag_if_supported(-fstack-protector-strong CXX_SECURITY_FLAGS)
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endif()
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# New in GCC 8.2
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if (NOT WIN32)
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add_c_flag_if_supported(-fcf-protection=full C_SECURITY_FLAGS)
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add_cxx_flag_if_supported(-fcf-protection=full CXX_SECURITY_FLAGS)
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add_c_flag_if_supported(-fstack-clash-protection C_SECURITY_FLAGS)
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add_cxx_flag_if_supported(-fstack-clash-protection CXX_SECURITY_FLAGS)
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endif()
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# linker
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if (NOT WIN32)
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# Windows binaries die on startup with PIE
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