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https://github.com/GothenburgBitFactory/taskwarrior.git
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cmake: Use the CXXSniffer
This commit is contained in:
Paul Beckingham
parent
8dfd71ccc6
commit
300e7e125e
2 changed files with 64 additions and 76 deletions
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@ -1,5 +1,6 @@
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cmake_minimum_required (VERSION 2.8)
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set(CMAKE_LEGACY_CYGWIN_WIN32 0) # Remove when CMake >= 2.8.4 is required
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set (CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake")
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include (CheckFunctionExists)
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include (CheckStructHasMember)
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@ -8,6 +9,7 @@ set (HAVE_CMAKE true)
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project (task)
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set (PROJECT_VERSION "2.5.2")
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include (CXXSniffer)
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OPTION (ENABLE_SYNC "Enable 'task sync' support" ON)
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@ -18,82 +20,6 @@ else (ENABLE_SYNC)
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message (WARNING "ENABLE_SYNC=OFF. Not building sync support.")
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endif (ENABLE_SYNC)
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message ("CMAKE_SYSTEM_NAME ${CMAKE_SYSTEM_NAME}")
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include (CheckCXXCompilerFlag)
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# NOTE: If we are to actually use C++11 features, we should either require
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# a compiler that supports the -std=c++11 flag or check for the
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# features used.
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# Relying on -std=c++0x or even -std=gnu++0x is highly volatile.
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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@taskwarrior.org.")
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endif (_HAS_CXX11)
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if (${CMAKE_CXX_COMPILER_ID} STREQUAL "Clang")
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set (_CXX11_FLAGS "${_CXX11_FLAGS} -stdlib=libc++")
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endif (${CMAKE_CXX_COMPILER_ID} STREQUAL "Clang")
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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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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 (${CMAKE_SYSTEM_NAME} MATCHES "SunOS")
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set (SOLARIS true)
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elseif (${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 -Wsign-compare -Wreturn-type ${CMAKE_CXX_FLAGS}")
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if (NETBSD)
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# Since readline, etc likely to be in /usr/pkg/lib, not standard library
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# Otherwise will remove links during install
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set (CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
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endif (NETBSD)
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if (FREEBSD)
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SET (TASK_MAN1DIR man/man1 CACHE STRING "Installation directory for man pages, section 1")
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SET (TASK_MAN5DIR man/man5 CACHE STRING "Installation directory for man pages, section 5")
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else (FREEBSD)
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SET (TASK_MAN1DIR share/man/man1 CACHE STRING "Installation directory for man pages, section 1")
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SET (TASK_MAN5DIR share/man/man5 CACHE STRING "Installation directory for man pages, section 5")
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endif (FREEBSD)
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SET (TASK_DOCDIR share/doc/task CACHE STRING "Installation directory for doc files")
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SET (TASK_RCDIR "${TASK_DOCDIR}/rc" CACHE STRING "Installation directory for configuration files")
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SET (TASK_BINDIR bin CACHE STRING "Installation directory for the binary")
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message ("-- Looking for SHA1 references")
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if (EXISTS ${CMAKE_SOURCE_DIR}/.git/index)
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set (HAVE_COMMIT true)
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@ -113,6 +39,17 @@ set (PACKAGE_TARNAME "${PACKAGE}")
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set (PACKAGE_VERSION "${VERSION}")
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set (PACKAGE_STRING "${PACKAGE} ${VERSION}")
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if (FREEBSD)
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SET (TASK_MAN1DIR man/man1 CACHE STRING "Installation directory for man pages, section 1")
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SET (TASK_MAN5DIR man/man5 CACHE STRING "Installation directory for man pages, section 5")
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else (FREEBSD)
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SET (TASK_MAN1DIR share/man/man1 CACHE STRING "Installation directory for man pages, section 1")
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SET (TASK_MAN5DIR share/man/man5 CACHE STRING "Installation directory for man pages, section 5")
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endif (FREEBSD)
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SET (TASK_DOCDIR share/doc/task CACHE STRING "Installation directory for doc files")
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SET (TASK_RCDIR "${TASK_DOCDIR}/rc" CACHE STRING "Installation directory for configuration files")
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SET (TASK_BINDIR bin CACHE STRING "Installation directory for the binary")
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if (USE_GNUTLS)
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message ("-- Looking for GnuTLS")
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find_package (GnuTLS)
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51
cmake/CXXSniffer.cmake
Normal file
51
cmake/CXXSniffer.cmake
Normal file
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@ -0,0 +1,51 @@
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message ("-- Configuring C++11")
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message ("-- System: ${CMAKE_SYSTEM_NAME}")
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include (CheckCXXCompilerFlag)
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# NOTE: Phase out -std=gnu++0x and --std=c++0x as soon as realistically possible.
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CHECK_CXX_COMPILER_FLAG("-std=c++11" _HAS_CXX11)
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CHECK_CXX_COMPILER_FLAG("-std=c++0x" _HAS_CXX0X)
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CHECK_CXX_COMPILER_FLAG("-std=gnu++0x" _HAS_GNU0X)
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if (_HAS_CXX11)
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set (_CXX11_FLAGS "-std=c++11")
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elseif (_HAS_CXX0X)
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message (WARNING "Enabling -std=c++0x draft compile flag. Your compiler does not support the standard '-std=c++11' option. Consider upgrading.")
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set (_CXX11_FLAGS "-std=c++0x")
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elseif (_HAS_GNU0X)
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message (WARNING "Enabling -std=gnu++0x draft compile flag. Your compiler does not support the standard '-std=c++11' option. Consider upgrading.")
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set (_CXX11_FLAGS "-std=gnu++0x")
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else (_HAS_CXX11)
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message (FATAL_ERROR "C++11 support missing. Try upgrading your C++ compiler. If you have a good reason for using an outdated compiler, please let us know at support@taskwarrior.org.")
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endif (_HAS_CXX11)
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if (${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 (${CMAKE_SYSTEM_NAME} MATCHES "SunOS")
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set (SOLARIS true)
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elseif (${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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