| 1 | # |
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| 2 | # ORXONOX - the hottest 3D action shooter ever to exist |
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| 3 | # > www.orxonox.net < |
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| 4 | # |
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| 5 | # This program is free software; you can redistribute it and/or |
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| 6 | # modify it under the terms of the GNU General Public License |
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| 7 | # as published by the Free Software Foundation; either version 2 |
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| 8 | # of the License, or (at your option) any later version. |
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| 9 | # |
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| 10 | # This program is distributed in the hope that it will be useful, |
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| 11 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 13 | # GNU General Public License for more details. |
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| 14 | # |
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| 15 | # You should have received a copy of the GNU General Public License along |
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| 16 | # with this program; if not, write to the Free Software Foundation, |
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| 17 | # Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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| 18 | # |
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| 19 | # |
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| 20 | # Author: |
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| 21 | # Reto Grieder |
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| 22 | # Description: |
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| 23 | # Check package version info |
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| 24 | # MAJOR: Breaking change |
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| 25 | # MINOR: No breaking changes by the dependency package |
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| 26 | # For example any code running on 3.0 should still run on 3.1 |
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| 27 | # But you can specify that the code only runs on 3.1 and higher |
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| 28 | # or 4.0 and higher (so both 3.1 and 4.0 will work). |
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| 29 | |
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| 30 | MACRO(CHECK_PACKAGE_VERSION) |
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| 31 | SET(_allowed_minimum_versions ${ARGN}) |
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| 32 | |
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| 33 | IF(NOT EXISTS ${DEPENDENCY_PACKAGE_DIR}/version.txt) |
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| 34 | SET(DEPENDENCY_VERSION 1.0) |
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| 35 | ELSE() |
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| 36 | # Get version from file |
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| 37 | FILE(READ ${DEPENDENCY_PACKAGE_DIR}/version.txt _file_content) |
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| 38 | SET(_match) |
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| 39 | STRING(REGEX MATCH "([0-9]+.[0-9]+)" _match ${_file_content}) |
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| 40 | IF(_match) |
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| 41 | SET(DEPENDENCY_VERSION ${_match}) |
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| 42 | ELSE() |
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| 43 | MESSAGE(FATAL_ERROR "The version.txt file in the dependency file has corrupt version information.") |
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| 44 | ENDIF() |
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| 45 | ENDIF() |
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| 46 | |
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| 47 | INCLUDE(CompareVersionStrings) |
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| 48 | SET(_version_match FALSE) |
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| 49 | FOREACH(_version ${_allowed_minimum_versions}) |
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| 50 | # Get major version |
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| 51 | STRING(REGEX REPLACE "^([0-9]+)\\..*$" "\\1" _major_version "${_version}") |
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| 52 | COMPARE_VERSION_STRINGS(${DEPENDENCY_VERSION} ${_major_version} _result TRUE) |
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| 53 | IF(_result EQUAL 0) |
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| 54 | COMPARE_VERSION_STRINGS(${DEPENDENCY_VERSION} ${_version} _result FALSE) |
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| 55 | IF(NOT _result LESS 0) |
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| 56 | SET(_version_match TRUE) |
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| 57 | ENDIF() |
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| 58 | ENDIF() |
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| 59 | ENDFOREACH(_version) |
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| 60 | IF(NOT _version_match) |
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| 61 | MESSAGE(FATAL_ERROR "Your dependency package version is ${DEPENDENCY_VERSION}\n" |
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| 62 | "Possible required versions: ${_allowed_minimum_versions}\n" |
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| 63 | "You can get a new version from www.orxonox.net") |
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| 64 | ENDIF() |
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| 65 | |
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| 66 | ENDMACRO(CHECK_PACKAGE_VERSION) |
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