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#***************************************************************************
# _ _ ____ _
# Project ___| | | | _ \| |
# / __| | | | |_) | |
# | (__| |_| | _ <| |___
# \___|\___/|_| \_\_____|
#
# Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
#
# This software is licensed as described in the file COPYING, which
# you should have received as part of this distribution. The terms
# are also available at https://curl.se/docs/copyright.html.
#
# You may opt to use, copy, modify, merge, publish, distribute and/or sell
# copies of the Software, and permit persons to whom the Software is
# furnished to do so, under the terms of the COPYING file.
#
# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
# KIND, either express or implied.
#
# SPDX-License-Identifier: curl
#
###########################################################################
# Find the libidn2 library
#
# Input variables:
#
# - `LIBIDN2_INCLUDE_DIR`: The libidn2 include directory.
# - `LIBIDN2_LIBRARY`: Path to `libidn2` library.
#
# Result variables:
#
# - `LIBIDN2_FOUND`: System has libidn2.
# - `LIBIDN2_INCLUDE_DIRS`: The libidn2 include directories.
# - `LIBIDN2_LIBRARIES`: The libidn2 library names.
# - `LIBIDN2_LIBRARY_DIRS`: The libidn2 library directories.
# - `LIBIDN2_PC_REQUIRES`: The libidn2 pkg-config packages.
# - `LIBIDN2_CFLAGS`: Required compiler flags.
# - `LIBIDN2_VERSION`: Version of libidn2.
set(LIBIDN2_PC_REQUIRES "libidn2")
if(CURL_USE_PKGCONFIG AND
NOT DEFINED LIBIDN2_INCLUDE_DIR AND
NOT DEFINED LIBIDN2_LIBRARY)
find_package(PkgConfig QUIET)
pkg_check_modules(LIBIDN2 ${LIBIDN2_PC_REQUIRES})
endif()
if(LIBIDN2_FOUND)
set(Libidn2_FOUND TRUE)
string(REPLACE ";" " " LIBIDN2_CFLAGS "${LIBIDN2_CFLAGS}")
message(STATUS "Found Libidn2 (via pkg-config): ${LIBIDN2_INCLUDE_DIRS} (found version \"${LIBIDN2_VERSION}\")")
else()
find_path(LIBIDN2_INCLUDE_DIR NAMES "idn2.h")
find_library(LIBIDN2_LIBRARY NAMES "idn2" "libidn2")
unset(LIBIDN2_VERSION CACHE)
if(LIBIDN2_INCLUDE_DIR AND EXISTS "${LIBIDN2_INCLUDE_DIR}/idn2.h")
set(_version_regex "#[\t ]*define[\t ]+IDN2_VERSION[\t ]+\"([^\"]*)\"")
file(STRINGS "${LIBIDN2_INCLUDE_DIR}/idn2.h" _version_str REGEX "${_version_regex}")
string(REGEX REPLACE "${_version_regex}" "\\1" _version_str "${_version_str}")
set(LIBIDN2_VERSION "${_version_str}")
unset(_version_regex)
unset(_version_str)
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Libidn2
REQUIRED_VARS
LIBIDN2_INCLUDE_DIR
LIBIDN2_LIBRARY
VERSION_VAR
LIBIDN2_VERSION
)
if(LIBIDN2_FOUND)
set(LIBIDN2_INCLUDE_DIRS ${LIBIDN2_INCLUDE_DIR})
set(LIBIDN2_LIBRARIES ${LIBIDN2_LIBRARY})
endif()
mark_as_advanced(LIBIDN2_INCLUDE_DIR LIBIDN2_LIBRARY)
endif()
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