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Code Issues Releases Wiki Activity

CMake: Rename ENABLE_NLS to XZ_NLS 

Also update the description to mention that this affects installation
of translated man pages too.

Prefixing the cache variables with the project name helps if
the package is used as a subproject in another package.
It also makes the package-specific options group more nicely
in ccmake and cmake-gui.
This commit is contained in:
Lasse Collin 2024-06-15 18:07:04 +03:00
parent ac05f1b0d7
commit 29f77c7b70
1 changed files with 15 additions and 13 deletions
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28
CMakeLists.txt
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@ -63,7 +63,7 @@
# #
# - To get translated messages, install GNU gettext tools (the # - To get translated messages, install GNU gettext tools (the
# command msgfmt is needed). Alternatively disable translations # command msgfmt is needed). Alternatively disable translations
# by setting ENABLE_NLS=OFF. # by setting XZ_NLS=OFF.
# #
# - To get translated man pages, run po4a/update-po which requires # - To get translated man pages, run po4a/update-po which requires
# the po4a tool. The build works without this step too. # the po4a tool. The build works without this step too.
@ -300,14 +300,16 @@ endif()
# Translation support requires CMake 3.20 because it added the Intl::Intl # Translation support requires CMake 3.20 because it added the Intl::Intl
# target so we don't need to play with the individual variables. # target so we don't need to play with the individual variables.
# #
# The definition ENABLE_NLS is added only to those targets that use it, thus # The definition XZ_NLS is added only to those targets that use it, thus
# it's not done here. (xz has translations, xzdec doesn't.) # it's not done here. (xz has translations, xzdec doesn't.)
if(CMAKE_VERSION VERSION_GREATER_EQUAL "3.20") if(CMAKE_VERSION VERSION_GREATER_EQUAL "3.20")
find_package(Intl) find_package(Intl)
find_package(Gettext) find_package(Gettext)
if(Intl_FOUND) if(Intl_FOUND)
option(ENABLE_NLS "Native Language Support (translated messages)" ON) option(XZ_NLS
"Native Language Support (translated messages and man pages)"
ON)
# If translation support is enabled but neither gettext tools or # If translation support is enabled but neither gettext tools or
# pre-generated .gmo files exist, translation support cannot be # pre-generated .gmo files exist, translation support cannot be
@ -316,10 +318,10 @@ if(CMAKE_VERSION VERSION_GREATER_EQUAL "3.20")
# The detection of pre-generated .gmo files is done by only # The detection of pre-generated .gmo files is done by only
# checking for the existence of a single .gmo file; Ukrainian # checking for the existence of a single .gmo file; Ukrainian
# is one of many translations that gets regular updates. # is one of many translations that gets regular updates.
if(ENABLE_NLS AND NOT GETTEXT_FOUND AND if(XZ_NLS AND NOT GETTEXT_FOUND AND
NOT EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/po/uk.gmo") NOT EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/po/uk.gmo")
# This only sets the variable, not the cache variable! # This only sets the variable, not the cache variable!
set(ENABLE_NLS OFF) set(XZ_NLS OFF)
# This message is shown only when new enough CMake is used and # This message is shown only when new enough CMake is used and
# library support for translations was found. The assumptions is # library support for translations was found. The assumptions is
@ -330,11 +332,11 @@ if(CMAKE_VERSION VERSION_GREATER_EQUAL "3.20")
"pre-generated .gmo files. The latter are only " "pre-generated .gmo files. The latter are only "
"available in distribution tarballs. " "available in distribution tarballs. "
"To avoid this warning, NLS can be explicitly " "To avoid this warning, NLS can be explicitly "
"disabled by passing -DENABLE_NLS=OFF to cmake.") "disabled by passing -DXZ_NLS=OFF to cmake.")
endif() endif()
# Warn if NLS is enabled but translated man pages are missing. # Warn if NLS is enabled but translated man pages are missing.
if(UNIX AND ENABLE_NLS AND if(UNIX AND XZ_NLS AND
NOT EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/po4a/man") NOT EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/po4a/man")
message(WARNING "Native language support (NLS) has been enabled " message(WARNING "Native language support (NLS) has been enabled "
"but pre-generated translated man pages " "but pre-generated translated man pages "
@ -1527,11 +1529,11 @@ function(my_install_man_lang COMPONENT SRC_FILE MAN_LANG LINK_NAMES)
endfunction() endfunction()
# Installs a man page file and optionally its alternative names as symlinks. # Installs a man page file and optionally its alternative names as symlinks.
# Does the same for translations if ENABLE_NLS. # Does the same for translations if XZ_NLS.
function(my_install_man COMPONENT SRC_FILE LINK_NAMES) function(my_install_man COMPONENT SRC_FILE LINK_NAMES)
my_install_man_lang("${COMPONENT}" "${SRC_FILE}" "" "${LINK_NAMES}") my_install_man_lang("${COMPONENT}" "${SRC_FILE}" "" "${LINK_NAMES}")
if(ENABLE_NLS) if(XZ_NLS)
# Find the translated versions of this man page. # Find the translated versions of this man page.
get_filename_component(BASENAME "${SRC_FILE}" NAME) get_filename_component(BASENAME "${SRC_FILE}" NAME)
file(GLOB MAN_FILES "po4a/man/*/${BASENAME}") file(GLOB MAN_FILES "po4a/man/*/${BASENAME}")
@ -1708,11 +1710,11 @@ if(HAVE_DECODERS AND (NOT MSVC OR MSVC_VERSION GREATER_EQUAL 1900))
# NOTE: The translations are in the "xz" domain and the .mo files are # NOTE: The translations are in the "xz" domain and the .mo files are
# installed as part of the "xz" target. # installed as part of the "xz" target.
if(ENABLE_NLS) if(XZ_NLS)
target_link_libraries(lzmainfo PRIVATE Intl::Intl) target_link_libraries(lzmainfo PRIVATE Intl::Intl)
target_compile_definitions(lzmainfo PRIVATE target_compile_definitions(lzmainfo PRIVATE
ENABLE_NLS XZ_NLS
PACKAGE="${TRANSLATION_DOMAIN}" PACKAGE="${TRANSLATION_DOMAIN}"
LOCALEDIR="${LOCALEDIR_DEFINITION}" LOCALEDIR="${LOCALEDIR_DEFINITION}"
) )
@ -1862,11 +1864,11 @@ if(NOT MSVC OR MSVC_VERSION GREATER_EQUAL 1900)
endif() endif()
endif() endif()
if(ENABLE_NLS) if(XZ_NLS)
target_link_libraries(xz PRIVATE Intl::Intl) target_link_libraries(xz PRIVATE Intl::Intl)
target_compile_definitions(xz PRIVATE target_compile_definitions(xz PRIVATE
ENABLE_NLS XZ_NLS
PACKAGE="${TRANSLATION_DOMAIN}" PACKAGE="${TRANSLATION_DOMAIN}"
LOCALEDIR="${LOCALEDIR_DEFINITION}" LOCALEDIR="${LOCALEDIR_DEFINITION}"
) )