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-rw-r--r--cmake/CheckCCompilerFlag.cmake62
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diff --git a/cmake/CheckCCompilerFlag.cmake b/cmake/CheckCCompilerFlag.cmake
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--- a/cmake/CheckCCompilerFlag.cmake
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-# - Check whether the C compiler supports a given flag.
-# CHECK_C_COMPILER_FLAG(<flag> <var>)
-# <flag> - the compiler flag
-# <var> - variable to store the result
-# This internally calls the check_c_source_compiles macro.
-# See help for CheckCSourceCompiles for a listing of variables
-# that can modify the build.
-
-#=============================================================================
-# Copyright 2006-2011 Kitware, Inc.
-# Copyright 2006 Alexander Neundorf <neundorf@kde.org>
-# Copyright 2011 Matthias Kretz <kretz@kde.org>
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions
-# are met:
-#
-# * Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-#
-# * Redistributions in binary form must reproduce the above copyright
-# notice, this list of conditions and the following disclaimer in the
-# documentation and/or other materials provided with the distribution.
-#
-# * Neither the names of Kitware, Inc., the Insight Software Consortium,
-# nor the names of their contributors may be used to endorse or promote
-# products derived from this software without specific prior written
-# permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-#=============================================================================
-
-INCLUDE(CheckCSourceCompiles)
-
-MACRO (CHECK_C_COMPILER_FLAG _FLAG _RESULT)
- SET(SAFE_CMAKE_REQUIRED_DEFINITIONS "${CMAKE_REQUIRED_DEFINITIONS}")
- SET(CMAKE_REQUIRED_DEFINITIONS "${_FLAG}")
- CHECK_C_SOURCE_COMPILES("int main(void) { return 0; }" ${_RESULT}
- # Some compilers do not fail with a bad flag
- FAIL_REGEX "command line option .* is valid for .* but not for C" # GNU
- FAIL_REGEX "unrecognized .*option" # GNU
- FAIL_REGEX "unknown .*option" # Clang
- FAIL_REGEX "ignoring unknown option" # MSVC
- FAIL_REGEX "warning D9002" # MSVC, any lang
- FAIL_REGEX "option .*not supported" # Intel
- FAIL_REGEX "[Uu]nknown option" # HP
- FAIL_REGEX "[Ww]arning: [Oo]ption" # SunPro
- FAIL_REGEX "command option .* is not recognized" # XL
- FAIL_REGEX "WARNING: unknown flag:" # Open64
- )
- SET (CMAKE_REQUIRED_DEFINITIONS "${SAFE_CMAKE_REQUIRED_DEFINITIONS}")
-ENDMACRO (CHECK_C_COMPILER_FLAG)