| # - define a bunch of backwards compatibility variables |
| # CMAKE_ANSI_CXXFLAGS - flag for ansi c++ |
| # CMAKE_HAS_ANSI_STRING_STREAM - has <strstream> |
| # INCLUDE(TestForANSIStreamHeaders) |
| # INCLUDE(CheckIncludeFileCXX) |
| # INCLUDE(TestForSTDNamespace) |
| # INCLUDE(TestForANSIForScope) |
| IF(NOT CMAKE_SKIP_COMPATIBILITY_TESTS) |
| # check for some ANSI flags in the CXX compiler if it is not gnu |
| IF(NOT CMAKE_COMPILER_IS_GNUCXX) |
| INCLUDE(TestCXXAcceptsFlag) |
| SET(CMAKE_TRY_ANSI_CXX_FLAGS "") |
| IF(CMAKE_SYSTEM MATCHES "IRIX.*") |
| SET(CMAKE_TRY_ANSI_CXX_FLAGS "-LANG:std") |
| ENDIF(CMAKE_SYSTEM MATCHES "IRIX.*") |
| IF(CMAKE_SYSTEM MATCHES "OSF.*") |
| SET(CMAKE_TRY_ANSI_CXX_FLAGS "-std strict_ansi -nopure_cname") |
| ENDIF(CMAKE_SYSTEM MATCHES "OSF.*") |
| # if CMAKE_TRY_ANSI_CXX_FLAGS has something in it, see |
| # if the compiler accepts it |
| IF( CMAKE_TRY_ANSI_CXX_FLAGS MATCHES ".+") |
| CHECK_CXX_ACCEPTS_FLAG(${CMAKE_TRY_ANSI_CXX_FLAGS} CMAKE_CXX_ACCEPTS_FLAGS) |
| # if the compiler liked the flag then set CMAKE_ANSI_CXXFLAGS |
| # to the flag |
| IF(CMAKE_CXX_ACCEPTS_FLAGS) |
| SET(CMAKE_ANSI_CXXFLAGS ${CMAKE_TRY_ANSI_CXX_FLAGS} CACHE INTERNAL |
| "What flags are required by the c++ compiler to make it ansi." ) |
| ENDIF(CMAKE_CXX_ACCEPTS_FLAGS) |
| ENDIF( CMAKE_TRY_ANSI_CXX_FLAGS MATCHES ".+") |
| ENDIF(NOT CMAKE_COMPILER_IS_GNUCXX) |
| SET(CMAKE_CXX_FLAGS_SAVE ${CMAKE_CXX_FLAGS}) |
| SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${CMAKE_ANSI_CXXFLAGS}") |
| INCLUDE(TestForANSIStreamHeaders) |
| INCLUDE(CheckIncludeFileCXX) |
| INCLUDE(TestForSTDNamespace) |
| INCLUDE(TestForANSIForScope) |
| INCLUDE(TestForSSTREAM) |
| SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS_SAVE}") |
| ENDIF(NOT CMAKE_SKIP_COMPATIBILITY_TESTS) |
| |
