/usr/share/cmake-2.8/Modules/CMakeBackwardCompatibilityCXX.cmake is in cmake-data 2.8.9-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 | # - 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)
#=============================================================================
# Copyright 2002-2009 Kitware, Inc.
#
# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
#
# This software is distributed WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the License for more information.
#=============================================================================
# (To distribute this file outside of CMake, substitute the full
# License text for the above reference.)
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)
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