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#TESTING TIME
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include(CheckCCompilerFlag)
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#when you need to check for a linker flag, just leave the argument of "check_c_compiler_flag" empty
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#check for noexecstack on ELF, Gentoo security
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set(CMAKE_REQUIRED_FLAGS "-Wl,-z,noexecstack")
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check_c_compiler_flag("" HAVE_NOEXECSTACK)
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if(HAVE_NOEXECSTACK)
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list(APPEND pascal_flags "-k-z" "-knoexecstack")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${CMAKE_REQUIRED_FLAGS}")
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endif()
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#check for ASLR on Windows Vista or later, requires binutils >= 2.20
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set(CMAKE_REQUIRED_FLAGS "-Wl,--nxcompat")
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check_c_compiler_flag("" HAVE_WINASLR)
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if(HAVE_WINASLR)
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list(APPEND pascal_flags "-k--nxcompat")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${CMAKE_REQUIRED_FLAGS}")
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endif()
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#check for DEP on Windows XP SP2 or later, requires binutils >= 2.20
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set(CMAKE_REQUIRED_FLAGS "-Wl,--dynamicbase")
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check_c_compiler_flag("" HAVE_WINDEP)
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if(HAVE_WINDEP)
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list(APPEND pascal_flags "-k--dynamicbase")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${CMAKE_REQUIRED_FLAGS}")
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endif()
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#always unset or these flags will be spread everywhere
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unset(CMAKE_REQUIRED_FLAGS)
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