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# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
#[=======================================================================[.rst:
FindIntl
--------
.. versionadded:: 3.2
Find the Gettext libintl headers and libraries.
This module reports information about the Gettext libintl
installation in several variables. General variables::
Intl_FOUND - true if the libintl headers and libraries were found
Intl_INCLUDE_DIRS - the directory containing the libintl headers
Intl_LIBRARIES - libintl libraries to be linked
.. versionadded:: 3.20
This module defines :prop_tgt:`IMPORTED` target ``Intl::Intl``.
The following cache variables may also be set::
Intl_INCLUDE_DIR - the directory containing the libintl headers
Intl_LIBRARY - the libintl library (if any)
Intl_HAVE_GETTEXT_BUILTIN - check if gettext is in the C library
Intl_HAVE_DCGETTEXT_BUILTIN - check if dcgettext is in the C library
Intl_IS_BUILTIN - whether intl is a part of the C library determined
from the result of Intl_HAVE_GETTEXT_BUILTIN and Intl_HAVE_DCGETTEXT_BUILTIN
.. versionadded:: 3.20
Added the ``Intl_HAVE_GETTEXT_BUILTIN``, ``Intl_HAVE_DCGETTEXT_BUILTIN`` and
``Intl_IS_BUILTIN`` variables.
.. note::
On some platforms, such as Linux with GNU libc, the gettext
functions are present in the C standard library and libintl
is not required. ``Intl_LIBRARIES`` will be empty in this
case.
.. note::
If you wish to use the Gettext tools (``msgmerge``,
``msgfmt``, etc.), use :module:`FindGettext`.
#]=======================================================================]
# Written by Roger Leigh <rleigh@codelibre.net>
include(${CMAKE_CURRENT_LIST_DIR}/CMakePushCheckState.cmake)
include(${CMAKE_CURRENT_LIST_DIR}/CheckSymbolExists.cmake)
# Check if we have libintl is a part of libc
cmake_push_check_state(RESET)
set(CMAKE_REQUIRED_QUIET TRUE)
check_symbol_exists(gettext libintl.h Intl_HAVE_GETTEXT_BUILTIN)
check_symbol_exists(dcgettext libintl.h Intl_HAVE_DCGETTEXT_BUILTIN) # redundant check
cmake_pop_check_state()
if(Intl_HAVE_GETTEXT_BUILTIN AND Intl_HAVE_DCGETTEXT_BUILTIN)
set(Intl_IS_BUILTIN TRUE)
else()
set(Intl_IS_BUILTIN FALSE)
endif()
# Find include directory
find_path(Intl_INCLUDE_DIR
NAMES "libintl.h"
DOC "libintl include directory")
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)
endif()
include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(Intl
FOUND_VAR Intl_FOUND
REQUIRED_VARS Intl_INCLUDE_DIR ${Intl_REQUIRED_VARS}
FAIL_MESSAGE "Failed to find Gettext libintl")
unset(Intl_REQUIRED_VARS)
if(Intl_FOUND)
set(Intl_INCLUDE_DIRS "${Intl_INCLUDE_DIR}")
set(Intl_LIBRARIES "${Intl_LIBRARY}")
if(NOT TARGET Intl::Intl)
add_library(Intl::Intl INTERFACE IMPORTED)
set_target_properties(Intl::Intl PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES "${Intl_INCLUDE_DIRS}"
INTERFACE_LINK_LIBRARIES "${Intl_LIBRARIES}")
endif()
endif()
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