CTK 0.1.0
The Common Toolkit is a community effort to provide support code for medical image analysis, surgical navigation, and related projects.
ctkFunctionGetGccVersion.cmake
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1###########################################################################
2#
3# Library: CTK
4#
5# Copyright (c) Kitware Inc.
6#
7# Licensed under the Apache License, Version 2.0 (the "License");
8# you may not use this file except in compliance with the License.
9# You may obtain a copy of the License at
10#
11# http://www.apache.org/licenses/LICENSE-2.0.txt
12#
13# Unless required by applicable law or agreed to in writing, software
14# distributed under the License is distributed on an "AS IS" BASIS,
15# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16# See the License for the specific language governing permissions and
17# limitations under the License.
18#
19###########################################################################
20
21#! \ingroup CMakeUtilities
22function(ctkFunctionGetGccVersion path_to_gcc output_var)
23 if(CMAKE_COMPILER_IS_GNUCXX)
24 execute_process(
25 COMMAND ${path_to_gcc} -dumpversion
26 RESULT_VARIABLE result
27 OUTPUT_VARIABLE output
28 ERROR_VARIABLE error
29 OUTPUT_STRIP_TRAILING_WHITESPACE
30 ERROR_STRIP_TRAILING_WHITESPACE
31 )
32 if(result)
33 message(FATAL_ERROR "Failed to obtain compiler version running [${path_to_gcc} -dumpversion]: ${error}")
34 endif()
35 set(${output_var} ${output} PARENT_SCOPE)
36 endif()
37endfunction()