nextcloud-desktop/cmake/modules/FindIconv.cmake

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# - Try to find Iconv
# Once done this will define
#
# ICONV_FOUND - system has Iconv
# ICONV_INCLUDE_DIRS - the Iconv include directory
# ICONV_LIBRARIES - Link these to use Iconv
# ICONV_DEFINITIONS - Compiler switches required for using Iconv
#
# Copyright (c) 2013 Andreas Schneider <asn@cryptomilk.org>
#
# Redistribution and use is allowed according to the terms of the New
# BSD license.
# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
#
include(CheckIncludeFile)
include(CheckFunctionExists)
include(CheckLibraryExists)
include(CheckPrototypeDefinition)
find_path(ICONV_INCLUDE_DIR
NAMES
iconv.h sys/iconv.h
)
set(CMAKE_REQUIRED_INCLUDES ${ICONV_INCLUDE_DIR})
check_include_file(iconv.h HAVE_ICONV_H)
check_include_file(sys/iconv.h HAVE_SYS_ICONV_H)
set(CMAKE_REQUIRED_INCLUDES)
find_library(ICONV_LIBRARY
NAMES
iconv
libiconv
PATHS
)
if (ICONV_LIBRARY)
get_filename_component(_ICONV_NAME ${ICONV_LIBRARY} NAME)
get_filename_component(_ICONV_PATH ${ICONV_LIBRARY} PATH)
check_library_exists(${_ICONV_NAME} iconv ${_ICONV_PATH} HAVE_ICONV)
else()
check_function_exists(iconv HAVE_ICONV)
endif()
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if (HAVE_ICONV_H OR HAVE_SYS_ICONV_H)
if (HAVE_ICONV_H)
set(_ICONV_PROTO_INCLUDE "iconv.h")
endif (HAVE_ICONV_H)
if (HAVE_SYS_ICONV_H)
set(_ICONV_PROTO_INCLUDE "sys/iconv.h")
endif (HAVE_SYS_ICONV_H)
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set(CMAKE_REQUIRED_INCLUDES ${ICONV_INCLUDE_DIR})
check_prototype_definition(iconv
"size_t iconv(iconv_t cd, const char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft)"
"-1"
${_ICONV_PROTO_INCLUDE}
HAVE_ICONV_CONST)
set(CMAKE_REQUIRED_INCLUDES)
endif (HAVE_ICONV_H OR HAVE_SYS_ICONV_H)
set(ICONV_INCLUDE_DIRS
${ICONV_INCLUDE_DIR}
)
if (ICONV_LIBRARY)
set(ICONV_LIBRARIES
${ICONV_LIBRARIES}
${ICONV_LIBRARY}
)
endif (ICONV_LIBRARY)
include(FindPackageHandleStandardArgs)
if (ICONV_LIBRARIES)
find_package_handle_standard_args(Iconv DEFAULT_MSG ICONV_LIBRARIES ICONV_INCLUDE_DIRS)
else()
find_package_handle_standard_args(Iconv DEFAULT_MSG ICONV_INCLUDE_DIRS)
endif()
# show the ICONV_INCLUDE_DIRS and ICONV_LIBRARIES variables only in the advanced view
mark_as_advanced(ICONV_INCLUDE_DIRS ICONV_LIBRARIES)