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Update: Translations from eints
chinese (simplified): 139 changes by BYXxiaonanhui
catalan: 23 changes by J0anJosep
portuguese (brazilian): 1 change by pasantoro
chinese (simplified): 139 changes by BYXxiaonanhui
catalan: 23 changes by J0anJosep
portuguese (brazilian): 1 change by pasantoro
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# file Copyright.txt or https://cmake.org/licensing for details.
#[=======================================================================[.rst:
FindIconv
---------
This module finds the ``iconv()`` POSIX.1 functions on the system.
These functions might be provided in the regular C library or externally
in the form of an additional library.
The following variables are provided to indicate iconv support:
.. variable:: Iconv_FOUND
Variable indicating if the iconv support was found.
.. variable:: Iconv_INCLUDE_DIRS
The directories containing the iconv headers.
.. variable:: Iconv_LIBRARIES
The iconv libraries to be linked.
.. variable:: Iconv_IS_BUILT_IN
A variable indicating whether iconv support is stemming from the
C library or not. Even if the C library provides `iconv()`, the presence of
an external `libiconv` implementation might lead to this being false.
Additionally, the following :prop_tgt:`IMPORTED` target is being provided:
.. variable:: Iconv::Iconv
Imported target for using iconv.
The following cache variables may also be set:
.. variable:: Iconv_INCLUDE_DIR
The directory containing the iconv headers.
.. variable:: Iconv_LIBRARY
The iconv library (if not implicitly given in the C library).
.. note::
On POSIX platforms, iconv might be part of the C library and the cache
variables ``Iconv_INCLUDE_DIR`` and ``Iconv_LIBRARY`` might be empty.
#]=======================================================================]
include(CMakePushCheckState)
if(CMAKE_C_COMPILER_LOADED)
include(CheckCSourceCompiles)
elseif(CMAKE_CXX_COMPILER_LOADED)
include(CheckCXXSourceCompiles)
else()
# If neither C nor CXX are loaded, implicit iconv makes no sense.
set(Iconv_IS_BUILT_IN NO)
endif()
# iconv can only be provided in libc on a POSIX system.
# If any cache variable is already set, we'll skip this test.
if(NOT DEFINED Iconv_IS_BUILT_IN)
if(UNIX AND NOT DEFINED Iconv_INCLUDE_DIR AND NOT DEFINED Iconv_LIBRARY)
cmake_push_check_state(RESET)
# We always suppress the message here: Otherwise on supported systems
# not having iconv in their C library (e.g. those using libiconv)
# would always display a confusing "Looking for iconv - not found" message
set(CMAKE_FIND_QUIETLY TRUE)
# The following code will not work, but it's sufficient to see if it compiles.
# Note: libiconv will define the iconv functions as macros, so CheckSymbolExists
# will not yield correct results.
set(Iconv_IMPLICIT_TEST_CODE
"
#include <stddef.h>
#include <iconv.h>
int main() {
char *a, *b;
size_t i, j;
iconv_t ic;
ic = iconv_open(\"to\", \"from\");
iconv(ic, &a, &i, &b, &j);
iconv_close(ic);
}
"
)
if(CMAKE_C_COMPILER_LOADED)
check_c_source_compiles("${Iconv_IMPLICIT_TEST_CODE}" Iconv_IS_BUILT_IN)
else()
check_cxx_source_compiles("${Iconv_IMPLICIT_TEST_CODE}" Iconv_IS_BUILT_IN)
endif()
cmake_pop_check_state()
else()
set(Iconv_IS_BUILT_IN NO)
endif()
endif()
if(NOT Iconv_IS_BUILT_IN)
find_path(Iconv_INCLUDE_DIR
NAMES "iconv.h"
DOC "iconv include directory")
set(Iconv_LIBRARY_NAMES "iconv" "libiconv")
else()
set(Iconv_INCLUDE_DIR "" CACHE FILEPATH "iconv include directory")
set(Iconv_LIBRARY_NAMES "c")
endif()
find_library(Iconv_LIBRARY
NAMES ${Iconv_LIBRARY_NAMES}
DOC "iconv library (potentially the C library)")
mark_as_advanced(Iconv_INCLUDE_DIR)
mark_as_advanced(Iconv_LIBRARY)
include(FindPackageHandleStandardArgs)
if(NOT Iconv_IS_BUILT_IN)
find_package_handle_standard_args(Iconv REQUIRED_VARS Iconv_LIBRARY Iconv_INCLUDE_DIR)
else()
find_package_handle_standard_args(Iconv REQUIRED_VARS Iconv_LIBRARY)
endif()
if(Iconv_FOUND)
set(Iconv_INCLUDE_DIRS "${Iconv_INCLUDE_DIR}")
set(Iconv_LIBRARIES "${Iconv_LIBRARY}")
if(NOT TARGET Iconv::Iconv)
add_library(Iconv::Iconv INTERFACE IMPORTED)
endif()
set_property(TARGET Iconv::Iconv PROPERTY INTERFACE_INCLUDE_DIRECTORIES "${Iconv_INCLUDE_DIRS}")
set_property(TARGET Iconv::Iconv PROPERTY INTERFACE_LINK_LIBRARIES "${Iconv_LIBRARIES}")
endif()
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