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#
# check for some ANSI flags in the CXX compiler if it is not gnu
IF(NOT CMAKE_COMPILER_IS_GNUCXX)
INCLUDE(${CMAKE_ROOT}/Modules/TestCXXAcceptsFlag.cmake)
SET(CMAKE_TRY_ANSI_CXX_FLAGS "")
IF(CMAKE_SYSTEM MATCHES "IRIX.*")
SET(CMAKE_TRY_ANSI_CXX_FLAGS "-LANG:std")
ENDIF(CMAKE_SYSTEM MATCHES "IRIX.*")
IF(CMAKE_SYSTEM MATCHES "OSF.*")
SET(CMAKE_TRY_ANSI_CXX_FLAGS "-std strict_ansi -nopure_cname")
ENDIF(CMAKE_SYSTEM MATCHES "OSF.*")
# if CMAKE_TRY_ANSI_CXX_FLAGS has something in it, see
# if the compiler accepts it
IF( CMAKE_TRY_ANSI_CXX_FLAGS MATCHES ".+")
CHECK_CXX_ACCEPTS_FLAG(${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 ${CMAKE_TRY_ANSI_CXX_FLAGS} CACHE INTERNAL
"What flags are required by the c++ compiler to make it ansi." )
ENDIF(CMAKE_CXX_ACCEPTS_FLAGS)
ENDIF( CMAKE_TRY_ANSI_CXX_FLAGS MATCHES ".+")
ENDIF(NOT CMAKE_COMPILER_IS_GNUCXX)
INCLUDE(${CMAKE_ROOT}/Modules/TestForANSIStreamHeaders.cmake)
INCLUDE(${CMAKE_ROOT}/Modules/CheckIncludeFileCXX.cmake)
INCLUDE(${CMAKE_ROOT}/Modules/TestForSTDNamespace.cmake)
INCLUDE(${CMAKE_ROOT}/Modules/TestForANSIForScope.cmake)
CHECK_INCLUDE_FILE_CXX("sstream" CMAKE_HAS_ANSI_STRING_STREAM)
IF(NOT CMAKE_HAS_ANSI_STRING_STREAM)
SET( CMAKE_NO_ANSI_STRING_STREAM 1 CACHE INTERNAL
"Does the compiler support sstream or stringstream.")
ENDIF(NOT CMAKE_HAS_ANSI_STRING_STREAM)
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