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#=============================================================================
# Copyright 2006-2009 Kitware, Inc.
# Copyright 2006-2008 Andreas Schneider <mail@cynapses.org>
# Copyright 2007 Wengo
# Copyright 2007 Mike Jackson
# Copyright 2008 Andreas Pakulat <apaku@gmx.de>
# Copyright 2008-2009 Philip Lowman <philip@yhbt.com>
#
# 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.
#-------------------------------------------------------------------------------
#
# Runs compiler with "-dumpversion" and parses major/minor
# version with a regex.
#
FUNCTION(_COMPILER_DUMPVERSION _OUTPUT_VERSION)
EXEC_PROGRAM(${CMAKE_C_COMPILER}
ARGS ${CMAKE_C_COMPILER_ARG1} -dumpversion
OUTPUT_VARIABLE _COMPILER_VERSION
)
STRING(REGEX REPLACE "([0-9])\\.([0-9])(\\.[0-9])?" "\\1\\2"
_COMPILER_VERSION ${_COMPILER_VERSION})
SET(${_OUTPUT_VERSION} ${_COMPILER_VERSION} PARENT_SCOPE)
ENDFUNCTION()
#
# End functions/macros
#
#-------------------------------------------------------------------------------
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