diff options
Diffstat (limited to 'Modules/FindIntl.cmake')
| -rw-r--r-- | Modules/FindIntl.cmake | 65 |
1 files changed, 58 insertions, 7 deletions
diff --git a/Modules/FindIntl.cmake b/Modules/FindIntl.cmake index f195f81..eaeefef 100644 --- a/Modules/FindIntl.cmake +++ b/Modules/FindIntl.cmake @@ -24,6 +24,30 @@ installation in several variables. The intl libraries to be linked. +.. variable:: Intl_VERSION + + .. versionadded:: 3.21 + + The version of intl found (x.y.z) + +.. variable:: Intl_VERSION_MAJOR + + .. versionadded:: 3.21 + + The major version of intl + +.. variable:: Intl_VERSION_MINOR + + .. versionadded:: 3.21 + + The minor version of intl + +.. variable:: Intl_VERSION_PATCH + + .. versionadded:: 3.21 + + The patch version of intl + .. versionadded:: 3.20 This module defines :prop_tgt:`IMPORTED` target ``Intl::Intl``. @@ -63,6 +87,10 @@ The following cache variables may also be set: case. .. note:: + Some libintl implementations don't embed the version number in their header files. + In this case the variables ``Intl_VERSION*`` will be empty. + +.. note:: If you wish to use the Gettext tools (``msgmerge``, ``msgfmt``, etc.), use :module:`FindGettext`. #]=======================================================================] @@ -90,20 +118,43 @@ find_path(Intl_INCLUDE_DIR mark_as_advanced(Intl_INCLUDE_DIR) # Find all Intl libraries -set(Intl_REQUIRED_VARS) if(NOT Intl_IS_BUILTIN) - find_library(Intl_LIBRARY "intl" "libintl" NAMES_PER_DIR - DOC "libintl libraries (if not in the C library)") - mark_as_advanced(Intl_LIBRARY) - list(APPEND Intl_REQUIRED_VARS Intl_LIBRARY) + set(Intl_LIBRARY_NAMES "intl" "libintl") +else() + set(Intl_LIBRARY_NAMES "c") +endif() + +find_library(Intl_LIBRARY ${Intl_LIBRARY_NAMES} NAMES_PER_DIR + DOC "intl library (potentially the C library)") +mark_as_advanced(Intl_LIBRARY) + +# NOTE: glibc's libintl.h does not define LIBINTL_VERSION +if(Intl_INCLUDE_DIR AND NOT Intl_IS_BUILTIN) + file(STRINGS ${Intl_INCLUDE_DIR}/libintl.h Intl_VERSION_DEFINE REGEX "LIBINTL_VERSION (.*)") + + if(Intl_VERSION_DEFINE MATCHES "(0x[A-Fa-f0-9]+)") + set(Intl_VERSION_NUMBER "${CMAKE_MATCH_1}") + # encoding -> version number: (major<<16) + (minor<<8) + patch + math(EXPR Intl_VERSION_MAJOR "${Intl_VERSION_NUMBER} >> 16" OUTPUT_FORMAT HEXADECIMAL) + math(EXPR Intl_VERSION_MINOR "(${Intl_VERSION_NUMBER} - (${Intl_VERSION_MAJOR} << 16)) >> 8" OUTPUT_FORMAT HEXADECIMAL) + math(EXPR Intl_VERSION_PATCH "${Intl_VERSION_NUMBER} - ((${Intl_VERSION_MAJOR} << 16) + (${Intl_VERSION_MINOR} << 8))" OUTPUT_FORMAT HEXADECIMAL) + + math(EXPR Intl_VERSION_MAJOR "${Intl_VERSION_MAJOR}" OUTPUT_FORMAT DECIMAL) + math(EXPR Intl_VERSION_MINOR "${Intl_VERSION_MINOR}" OUTPUT_FORMAT DECIMAL) + math(EXPR Intl_VERSION_PATCH "${Intl_VERSION_PATCH}" OUTPUT_FORMAT DECIMAL) + set(Intl_VERSION "${Intl_VERSION_MAJOR}.${Intl_VERSION_MINOR}.${Intl_VERSION_PATCH}") + endif() + + unset(Intl_VERSION_DEFINE) + unset(Intl_VERSION_NUMBER) endif() include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake) FIND_PACKAGE_HANDLE_STANDARD_ARGS(Intl FOUND_VAR Intl_FOUND - REQUIRED_VARS Intl_INCLUDE_DIR ${Intl_REQUIRED_VARS} + REQUIRED_VARS Intl_LIBRARY Intl_INCLUDE_DIR + VERSION_VAR Intl_VERSION FAIL_MESSAGE "Failed to find Gettext libintl") -unset(Intl_REQUIRED_VARS) if(Intl_FOUND) set(Intl_INCLUDE_DIRS "${Intl_INCLUDE_DIR}") |