mirror of
https://github.com/GothenburgBitFactory/timewarrior.git
synced 2025-06-26 10:54:28 +02:00
53 lines
2.2 KiB
CMake
53 lines
2.2 KiB
CMake
message ("-- Configuring C++11")
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message ("-- System: ${CMAKE_SYSTEM_NAME}")
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include (CheckCXXCompilerFlag)
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# NOTE: Phase out -std=gnu++0x and --std=c++0x as soon as realistically possible.
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CHECK_CXX_COMPILER_FLAG("-std=c++11" _HAS_CXX11)
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CHECK_CXX_COMPILER_FLAG("-std=c++0x" _HAS_CXX0X)
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CHECK_CXX_COMPILER_FLAG("-std=gnu++0x" _HAS_GNU0X)
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if (_HAS_CXX11)
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set (_CXX11_FLAGS "-std=c++11")
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elseif (_HAS_CXX0X)
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message (WARNING "Enabling -std=c++0x draft compile flag. Your compiler does not support the standard '-std=c++11' option. Consider upgrading.")
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set (_CXX11_FLAGS "-std=c++0x")
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elseif (_HAS_GNU0X)
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message (WARNING "Enabling -std=gnu++0x draft compile flag. Your compiler does not support the standard '-std=c++11' option. Consider upgrading.")
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set (_CXX11_FLAGS "-std=gnu++0x")
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else (_HAS_CXX11)
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message (FATAL_ERROR "C++11 support missing. Try upgrading your C++ compiler. If you have a good reason for using an outdated compiler, please let us know at support@gothenburgbitfactory.org.")
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endif (_HAS_CXX11)
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if (${CMAKE_SYSTEM_NAME} MATCHES "Linux")
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set (LINUX true)
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elseif (${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
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set (DARWIN true)
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set (_CXX11_FLAGS "${_CXX11_FLAGS} -stdlib=libc++")
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elseif (${CMAKE_SYSTEM_NAME} MATCHES "kFreeBSD")
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set (KFREEBSD true)
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elseif (${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD")
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set (FREEBSD true)
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elseif (${CMAKE_SYSTEM_NAME} MATCHES "OpenBSD")
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set (OPENBSD true)
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elseif (${CMAKE_SYSTEM_NAME} MATCHES "NetBSD")
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set (NETBSD true)
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elseif (${CMAKE_SYSTEM_NAME} MATCHES "DragonFly")
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set (DRAGONFLY true)
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elseif (${CMAKE_SYSTEM_NAME} MATCHES "SunOS")
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set (SOLARIS true)
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elseif (${CMAKE_SYSTEM_NAME} STREQUAL "GNU")
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set (GNUHURD true)
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elseif (${CMAKE_SYSTEM_NAME} STREQUAL "CYGWIN")
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set (CYGWIN true)
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# NOTE: Not setting -std=gnu++0x leads to compile errors even with
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# GCC 4.8.3, and debugging those leads to insanity. Adding this
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# workaround instead of fixing Cygwin.
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set (_CXX11_FLAGS "-std=gnu++0x")
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else (${CMAKE_SYSTEM_NAME} MATCHES "Linux")
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set (UNKNOWN true)
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endif (${CMAKE_SYSTEM_NAME} MATCHES "Linux")
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set (CMAKE_CXX_FLAGS "${_CXX11_FLAGS} ${CMAKE_CXX_FLAGS}")
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set (CMAKE_CXX_FLAGS "-Wall -Wextra -Wsign-compare -Wreturn-type ${CMAKE_CXX_FLAGS}")
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