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CMake: Drop support for pre-generated po/*.gmo files 

When a release tarball is created using Autotools, the tarball includes
po/*.gmo files which are binary files generated from po/*.po. Other
tarball creation methods don't and won't create the .gmo files.

It feels clearer if CMake will never install pre-generated binary files
from the source package. If people are able to install CMake, they
likely are able to install gettext tools as well (assuming they want
translations).
This commit is contained in:
Lasse Collin 2024-07-02 20:12:40 +03:00
parent fb99f8e8c5
commit b4b23c94fd
1 changed files with 21 additions and 45 deletions
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32
CMakeLists.txt
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@ -321,7 +321,7 @@ if(CMAKE_VERSION VERSION_GREATER_EQUAL "3.20")
find_package(Intl)
find_package(Gettext)
if(Intl_FOUND)
if(Intl_FOUND AND GETTEXT_FOUND)
set(XZ_NLS_DEFAULT ON)
endif()
endif()
@ -340,22 +340,8 @@ if(XZ_NLS)
"Install libintl or set XZ_NLS=OFF.")
endif()
# If translation support is enabled but neither gettext tools or
# pre-generated .gmo files exist, translation support cannot be enabled.
#
# The detection of pre-generated .gmo files is done by only
# checking for the existence of a single .gmo file; Ukrainian
# is one of many translations that gets regular updates.
if(NOT GETTEXT_FOUND AND
NOT EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/po/uk.gmo")
# By default this message is shown only when new enough CMake is used
# and library support for translations was found. The assumptions is
# that in this situation the user might have interest in the
# translations. This also keeps this code simpler.
message(FATAL_ERROR "Native language support (NLS) requires either "
"gettext tools or pre-generated .gmo files. "
"The latter are only available in distribution "
"tarballs. "
if(NOT GETTEXT_FOUND)
message(FATAL_ERROR "XZ_NLS=ON but find_package(Gettext) failed. "
"Install gettext tools or set XZ_NLS=OFF.")
endif()
@ -2128,13 +2114,6 @@ this many MiB of RAM if xz cannot determine the amount at runtime")
file(STRINGS po/LINGUAS LINGUAS)
# Where to find .gmo files. If msgfmt is available, the .po files
# will be converted as part of the build. Otherwise we will use
# the pre-generated .gmo files which are included in XZ Utils
# tarballs by Autotools.
set(GMO_DIR "${CMAKE_CURRENT_SOURCE_DIR}/po")
if(GETTEXT_FOUND)
# NOTE: gettext_process_po_files' INSTALL_DESTINATION is
# incompatible with how Autotools requires the .po files to
# be named. CMake would require each .po file to be named with
@ -2153,12 +2132,9 @@ this many MiB of RAM if xz cannot determine the amount at runtime")
PO_FILES "${CMAKE_CURRENT_SOURCE_DIR}/po/${LANG}.po")
endforeach()
set(GMO_DIR "${CMAKE_CURRENT_BINARY_DIR}")
endif()
foreach(LANG IN LISTS LINGUAS)
install(
FILES "${GMO_DIR}/${LANG}.gmo"
FILES "${CMAKE_CURRENT_BINARY_DIR}/${LANG}.gmo"
DESTINATION "${CMAKE_INSTALL_LOCALEDIR}/${LANG}/LC_MESSAGES"
RENAME "${TRANSLATION_DOMAIN}.mo"
COMPONENT xz_Runtime)