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source: code/archive/animated_space_boundaries/cmake/tools/FindPackageHandleAdvancedArgs.cmake @ 9630

Last change on this file since 9630 was 7163, checked in by dafrick, 14 years ago

Merged presentation3 branch into trunk.

  • Property svn:eol-style set to native
File size: 2.8 KB
Line 
1 #
2 #             ORXONOX - the hottest 3D action shooter ever to exist
3 #                             > www.orxonox.net <
4 #
5 #        This program is free software; you can redistribute it and/or
6 #         modify it under the terms of the GNU General Public License
7 #        as published by the Free Software Foundation; either version 2
8 #            of the License, or (at your option) any later version.
9 #
10 #       This program is distributed in the hope that it will be useful,
11 #        but WITHOUT ANY WARRANTY; without even the implied warranty of
12 #        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13 #                 GNU General Public License for more details.
14 #
15 #   You should have received a copy of the GNU General Public License along
16 #      with this program; if not, write to the Free Software Foundation,
17 #     Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
18 #
19 #
20 #  Author:
21 #    Reto Grieder
22 #  Description:
23 #    Extension of the standard module "FindPackageHandleStandardArgs".
24 #    This function also checks the version requirements. Also regards the
25 #    EXACT keyword if specified in FIND_PACKAGE(...).
26 #
27
28INCLUDE(FindPackageHandleStandardArgs)
29INCLUDE(CompareVersionStrings)
30
31FUNCTION(FIND_PACKAGE_HANDLE_ADVANCED_ARGS _name _fail_msg _version)
32
33  # Modify the message to include version requirements
34  IF("${_fail_msg}" STREQUAL "DEFAULT_MSG")
35    SET(_fail_msg_adv "Could NOT find ${_name}")
36  ELSE()
37    SET(_fail_msg_adv "${_fail_msg}")
38  ENDIF()
39  IF(${_name}_FIND_VERSION_EXACT)
40    SET(_fail_msg_adv "${_fail_msg_adv} (version requirements: exactly ${${_name}_FIND_VERSION})")
41  ELSE()
42    SET(_fail_msg_adv "${_fail_msg_adv} (version requirements: at least ${${_name}_FIND_VERSION})")
43  ENDIF()
44  FIND_PACKAGE_HANDLE_STANDARD_ARGS("${_name}" "${_fail_msg_adv}" ${ARGN})
45  STRING(TOUPPER ${_name} _NAME_UPPER)
46
47  # Also check version requirements if given to FindPackage(...)
48  IF(${_name}_FIND_VERSION)
49    # Note: the last argument of the function tells it to cut the first
50    #       version string instead of padding it with zeros if necessary
51    COMPARE_VERSION_STRINGS("${_version}" "${${_name}_FIND_VERSION}" _compatible TRUE)
52    IF(${_name}_FIND_VERSION_EXACT AND NOT _compatible EQUAL 0)
53      MESSAGE(FATAL_ERROR "Exact ${_name} version required is ${${_name}_FIND_VERSION}\n"
54                          "Your version is ${_version}")
55      SET(${_NAME_UPPER}_FOUND FALSE)
56    ELSEIF(_compatible LESS 0)
57      MESSAGE(FATAL_ERROR "Minimum ${_name} version required is ${${_name}_FIND_VERSION}\n"
58                          "Your version is ${_version}")
59      SET(${_NAME_UPPER}_FOUND FALSE)
60    ENDIF()
61  ENDIF(${_name}_FIND_VERSION)
62
63  # Raise scope (FindPackageHandleStandardArgs uses PARENT_SCOPE)
64  SET(${_NAME_UPPER}_FOUND ${${_NAME_UPPER}_FOUND} PARENT_SCOPE)
65
66ENDFUNCTION(FIND_PACKAGE_HANDLE_ADVANCED_ARGS)
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