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annotate cmake/MlkNls.cmake @ 313:dbfe05b88627

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cmake: bring back for good It's just too complicated to get portability done right using pure GNU make and since we're targeting more OSes than Linux we have to incorporate some portability bits.
author David Demelier <markand@malikania.fr>
date Wed, 22 Sep 2021 07:19:32 +0200
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children d01e83210ca2
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1 #
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2 # CMakeLists.txt -- CMake build system for Molko's Adventure
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3 #
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4 # Copyright (c) 2020 David Demelier <markand@malikania.fr>
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5 #
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6 # Permission to use, copy, modify, and/or distribute this software for any
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7 # purpose with or without fee is hereby granted, provided that the above
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8 # copyright notice and this permission notice appear in all copies.
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9 #
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10 # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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11 # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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12 # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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13 # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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14 # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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15 # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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16 # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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17 #
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18
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19 macro(mlk_nls)
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20 set(options "")
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21 set(oneValueArgs "NAME")
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22 set(multiValueArgs "LANGS;SOURCES;OUTPUTS_VAR")
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23
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24 cmake_parse_arguments(_nls "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
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25
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26 if (NOT _nls_NAME)
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27 message(FATAL_ERROR "Missing NAME")
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28 elseif (NOT _nls_OUTPUTS_VAR)
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29 message(FATAL_ERROR "Missing OUTPUTS_VAR")
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30 elseif (NOT _nls_LANGS)
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31 message(FATAL_ERROR "Missing LANGS")
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32 elseif (NOT _nls_SOURCES)
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33 message(FATAL_ERROR "Missing SOURCES")
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34 endif ()
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35
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36 set(_nls_po_cmds)
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37
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38 foreach (l ${_nls_LANGS})
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39 cmake_path(GET l FILENAME name)
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40 cmake_path(REMOVE_EXTENSION name)
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41
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42 add_custom_command(
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43 OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${name}.mo
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44 COMMAND ${MSGFMT} -o ${CMAKE_CURRENT_BINARY_DIR}/${name}.mo ${l}
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45 COMMENT "Generating NLS translation ${name}.mo"
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46 )
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47
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48 list(APPEND ${_nls_OUTPUTS_VAR} ${CMAKE_CURRENT_BINARY_DIR}/${name}.mo)
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49 install(
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50 FILES ${CMAKE_CURRENT_BINARY_DIR}/${name}.mo
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51 DESTINATION ${CMAKE_INSTALL_LOCALEDIR}/${name}/LC_MESSAGES
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52 RENAME ${_nls_NAME}.mo
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53 )
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54
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55 # Commands to update .po files.
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56 list(
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57 APPEND _nls_po_cmds
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58 COMMAND ${MSGMERGE} --backup=off -qU ${l} ${CMAKE_CURRENT_SOURCE_DIR}/nls/${_nls_NAME}.pot
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59 )
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60 endforeach ()
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61
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62 add_custom_target(
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63 po-${_nls_NAME}
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64 COMMAND
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65 ${XGETTEXT} -cj -k_ -kN_ -LC -s -o ${CMAKE_CURRENT_SOURCE_DIR}/nls/${_nls_NAME}.pot ${_nls_SOURCES}
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66 ${_nls_po_cmds}
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67 COMMENT "Updating in-source .pot and .po files"
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68 )
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69 set_target_properties(po-${_nls_NAME} PROPERTIES FOLDER "nls")
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70 endmacro()