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CMake

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- Added workaround for Cygwin build errors.
This commit is contained in:
Wilhelm Schuermann 2015-02-21 21:05:29 +01:00 • committed by Paul Beckingham
parent be855af8c4
commit 3484e44c7d
1 changed files with 10 additions and 4 deletions
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14
CMakeLists.txt
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@ -28,13 +28,13 @@ CHECK_CXX_COMPILER_FLAG("-std=c++0x" _HAS_CXX0X)
CHECK_CXX_COMPILER_FLAG("-std=gnu++0x" _HAS_GNU0X)
if (_HAS_CXX11)
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
set (_CXX11_FLAGS "-std=c++11")
elseif (_HAS_CXX0X)
message (WARNING "Enabling -std=c++0x draft compile flag. Your compiler does not support the standard '-std=c++11' option. Consider upgrading.")
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++0x")
set (_CXX11_FLAGS "-std=c++0x")
elseif (_HAS_GNU0X)
message (WARNING "Enabling -std=gnu++0x draft compile flag. Your compiler does not support the standard '-std=c++11' option. Consider upgrading.")
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++0x")
set (_CXX11_FLAGS "-std=gnu++0x")
else (_HAS_CXX11)
message (FATAL_ERROR "C++11 support missing. Try upgrading your C++ compiler. If you have a good reason for using an outdated compiler, please let us know at support@taskwarrior.org.")
endif (_HAS_CXX11)
@ -43,7 +43,7 @@ if (${CMAKE_SYSTEM_NAME} MATCHES "Linux")
set (LINUX true)
elseif (${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
set (DARWIN true)
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
set (_CXX11_FLAGS "${_CXX11_FLAGS} -stdlib=libc++")
elseif (${CMAKE_SYSTEM_NAME} MATCHES "kFreeBSD")
set (KFREEBSD true)
elseif (${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD")
@ -58,10 +58,16 @@ elseif (${CMAKE_SYSTEM_NAME} STREQUAL "GNU")
set (GNUHURD true)
elseif (${CMAKE_SYSTEM_NAME} STREQUAL "CYGWIN")
set (CYGWIN true)
# NOTE: Not setting -std=gnu++0x leads to compile errors even with
# GCC 4.8.3, and debugging those leads to insanity. Adding this
# workaround instead of fixing Cygwin.
set (_CXX11_FLAGS "-std=gnu++0x")
else (${CMAKE_SYSTEM_NAME} MATCHES "Linux")
set (UNKNOWN true)
endif (${CMAKE_SYSTEM_NAME} MATCHES "Linux")
set (CMAKE_CXX_FLAGS "${_CXX11_FLAGS} ${CMAKE_CXX_FLAGS}")
if (NETBSD)
# Since readline, etc likely to be in /usr/pkg/lib, not standard library
# Otherwise will remove links during install