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misc: add support for NLS, closes #22510 @4h While here cleanup the path functions in sys.c/sys.h
author David Demelier <markand@malikania.fr>
date Sat, 28 Nov 2020 18:00:05 +0100
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children 4c24604efcab
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76afe639fd72 misc: add support for NLS, closes #22510 @4h
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1 #
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2 # MolkoBuildTranslations.cmake -- CMake build system for molko
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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 if (MOLKO_WITH_NLS)
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20 find_program(XGETTEXT_EXE xgettext)
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21 find_program(MSGMERGE_EXE msgmerge)
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22 find_program(MSGFMT_EXE msgfmt)
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23 endif ()
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24
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25 if (MOLKO_WITH_NLS AND XGETTEXT_EXE AND MSGMERGE_EXE)
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26 macro(molko_build_translations)
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27 set(options)
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28 set(oneValueArgs TARGET OUTPUTS)
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29 set(multiValueArgs SOURCES TRANSLATIONS)
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30
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31 cmake_parse_arguments(NLS "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
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32
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33 if (NOT NLS_OUTPUTS)
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34 message(FATAL_ERROR "Missing OUTPUTS argument")
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35 endif ()
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36 if (NOT NLS_TARGET)
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37 message(FATAL_ERROR "Missing TARGET argument")
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38 endif ()
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39 if (NOT NLS_SOURCES)
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40 message(FATAL_ERROR "Missing SOURCES argument")
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41 endif ()
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42
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43 # Remove non C files.
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44 list(FILTER NLS_SOURCES INCLUDE REGEX "\\.[ch$]")
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45 set(pot ${CMAKE_CURRENT_SOURCE_DIR}/nls/${NLS_TARGET}.pot)
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46
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47 # Generate .pot file.
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48 add_custom_target(
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49 ${NLS_TARGET}-pot
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50 ALL
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51 VERBATIM
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52 COMMAND ${CMAKE_COMMAND} -E make_directory ${CMAKE_CURRENT_SOURCE_DIR}/nls
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53 COMMAND ${XGETTEXT_EXE} -cj -k_ -kN_ -LC -s -o ${pot} ${NLS_SOURCES}
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54 COMMENT "Generating reference translation ${pot}"
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55 )
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56 set_target_properties(${NLS_TARGET}-pot PROPERTIES FOLDER translations)
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57
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58 # For every translation create a msgmerge target and output file.
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59 set(outputs)
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60
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61 foreach (t ${NLS_TRANSLATIONS})
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62 set(po ${CMAKE_CURRENT_SOURCE_DIR}/nls/${t}.po)
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63 set(mo ${CMAKE_CURRENT_BINARY_DIR}/${t}.mo)
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64
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65 if (NOT EXISTS ${po})
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66 message(WARNING "Missing translation ${po}")
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67 endif ()
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68
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69 add_custom_target(
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70 ${NLS_TARGET}-po-${t}
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71 VERBATIM
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72 DEPENDS ${NLS_TARGET}-pot
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73 COMMAND ${MSGMERGE_EXE} --backup=off -U ${po} ${pot}
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74 COMMENT "Merging translation in ${po}"
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75 )
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76 set_target_properties(${NLS_TARGET}-po-${t} PROPERTIES FOLDER translations)
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77
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78 list(APPEND po-targets ${NLS_TARGET}-po-${t})
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79
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80 # Finally generate a .mo output from po file.
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81 add_custom_command(
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82 OUTPUT ${mo}
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83 VERBATIM
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84 COMMAND ${MSGFMT_EXE} -o ${mo} ${po}
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85 DEPENDS ${po}
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86 COMMENT "Generating translation binary ${mo}"
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87 )
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88
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89 list(APPEND outputs ${mo})
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90
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91 # TODO: naming should be changed maybe.
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92 install(
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93 FILES ${mo}
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94 DESTINATION ${CMAKE_INSTALL_LOCALEDIR}/${t}/LC_MESSAGES
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95 RENAME mlk-${NLS_TARGET}.mo
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96 )
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97 endforeach ()
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98
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99 set(${NLS_OUTPUTS} ${outputs})
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100 source_group("mo" FILES ${outputs})
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101
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102 add_custom_target(
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103 ${NLS_TARGET}-po
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104 DEPENDS ${po-targets}
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105 COMMENT "Merging all po files"
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106 )
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107
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108 set_target_properties(${NLS_TARGET}-po PROPERTIES FOLDER translations)
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109 endmacro()
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110 else ()
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111 function(molko_build_translations)
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112 endfunction()
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113 endif ()