| 1 | # DetermineVersion.cmake - CMake Module to get the version of a library from |
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| 2 | # a header file. |
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| 3 | # Author: Reto '1337' Grieder (2009) |
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| 4 | # |
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| 5 | # This program is free software; you can redistribute it and/or modify |
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| 6 | # it under the terms of the GNU General Public License as published by |
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| 7 | # the Free Software Foundation; either version 2 of the License, or |
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| 8 | # (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 |
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| 16 | # along with this program; if not, write to the Free Software |
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| 17 | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA |
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| 18 | |
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| 19 | FUNCTION(DETERMINE_VERSION _name _file) |
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| 20 | IF(EXISTS ${_file}) |
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| 21 | FILE(READ ${_file} _file_content) |
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| 22 | SET(_parts ${ARGN}) |
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| 23 | LIST(LENGTH _parts _parts_length) |
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| 24 | IF(NOT ${_parts_length} EQUAL 3) |
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| 25 | SET(_parts MAJOR MINOR PATCH) |
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| 26 | ENDIF(NOT ${_parts_length} EQUAL 3) |
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| 27 | |
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| 28 | FOREACH(_part ${_parts}) |
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| 29 | STRING(REGEX MATCH "${_name}_VERSION_${_part} +([0-9]+)" _match ${_file_content}) |
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| 30 | IF(_match) |
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| 31 | SET(${_name}_VERSION_${_part} ${CMAKE_MATCH_1}) |
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| 32 | SET(${_name}_VERSION_${_part} ${CMAKE_MATCH_1} PARENT_SCOPE) |
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| 33 | ELSE(_match) |
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| 34 | SET(${_name}_VERSION_${_part} "0") |
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| 35 | SET(${_name}_VERSION_${_part} "0" PARENT_SCOPE) |
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| 36 | ENDIF(_match) |
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| 37 | IF("${_parts}" MATCHES "^${_part}") # First? |
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| 38 | SET(${_name}_VERSION "${${_name}_VERSION_${_part}}") |
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| 39 | ELSE("${_parts}" MATCHES "^${_part}") |
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| 40 | SET(${_name}_VERSION "${${_name}_VERSION}.${${_name}_VERSION_${_part}}") |
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| 41 | ENDIF("${_parts}" MATCHES "^${_part}") |
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| 42 | ENDFOREACH(_part) |
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| 43 | SET(${_name}_VERSION "${${_name}_VERSION}" PARENT_SCOPE) |
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| 44 | ENDIF(EXISTS ${_file}) |
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| 45 | ENDFUNCTION(DETERMINE_VERSION) |
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