pology/cmake/GettextTools.cmake

0001 # TODO: Add doc comments for all this stuff.
0002
0003 if(NOT MSGFMT_EXECUTABLE)
0004     find_package(Msgfmt)
0005 endif()
0006 if(NOT MSGMERGE_EXECUTABLE)
0007     find_package(Msgmerge)
0008 endif()
0009
0010 if(NOT gtxt_target_count)
0011     set(gtxt_target_count 1)
0012 endif()
0013
0014
0015 macro(INSTALL_PO_DOMAIN podomain linguas localedir)
0016
0017     if(NOT MSGFMT_EXECUTABLE)
0018         message(FATAL_ERROR "MSGFMT_EXECUTABLE is not set.")
0019     endif()
0020
0021     set(alinguas ${linguas})
0022     if(NOT IS_ABSOLUTE ${linguas})
0023         set(alinguas ${CMAKE_CURRENT_SOURCE_DIR}/${linguas})
0024     endif()
0025     if(NOT EXISTS ${alinguas})
0026         message(FATAL_ERROR
0027             "The language list file '${alinguas}' is missing.")
0028     endif()
0029     file(READ ${alinguas} fc)
0030     string(REGEX REPLACE "#[^\n]*\n" " " fc ${fc})
0031     string(REGEX MATCHALL "[^ \t\n]+" langs ${fc})
0032
0033     string(REPLACE ${CMAKE_SOURCE_DIR}/ "" srcsubdir
0034                    ${CMAKE_CURRENT_SOURCE_DIR})
0035     string(REPLACE "/" "-" targbase ${srcsubdir})
0036     set(target "${targbase}-gtxt${gtxt_target_count}-install-po-domain")
0037     math(EXPR gtxt_target_count "${gtxt_target_count} + 1")
0038
0039     set(mofiles)
0040     foreach(lang ${langs})
0041         set(pofile ${CMAKE_CURRENT_SOURCE_DIR}/${lang}.po)
0042         if(NOT EXISTS ${pofile})
0043             message(FATAL_ERROR
0044                 "The PO file '${pofile}' expected according to '${alinguas}' "
0045                 "is missing.")
0046         endif()
0047         set(mofile ${CMAKE_CURRENT_BINARY_DIR}/${lang}.mo)
0048         add_custom_command(
0049             OUTPUT ${mofile}
0050             COMMAND ${MSGFMT_EXECUTABLE} -c ${pofile} -o ${mofile}
0051             DEPENDS ${pofile} ${alinguas})
0052         install(FILES ${mofile} DESTINATION ${localedir}/${lang}/LC_MESSAGES
0053                 RENAME ${podomain}.mo)
0054         set(mofiles ${mofiles} ${mofile})
0055     endforeach()
0056     add_custom_target(${target} ALL DEPENDS ${mofiles} ${alinguas})
0057
0058 endmacro()
0059