1#*************************************************************************** 2# _ _ ____ _ 3# Project ___| | | | _ \| | 4# / __| | | | |_) | | 5# | (__| |_| | _ <| |___ 6# \___|\___/|_| \_\_____| 7# 8# Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al. 9# 10# This software is licensed as described in the file COPYING, which 11# you should have received as part of this distribution. The terms 12# are also available at https://curl.se/docs/copyright.html. 13# 14# You may opt to use, copy, modify, merge, publish, distribute and/or sell 15# copies of the Software, and permit persons to whom the Software is 16# furnished to do so, under the terms of the COPYING file. 17# 18# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY 19# KIND, either express or implied. 20# 21# SPDX-License-Identifier: curl 22# 23########################################################################### 24# Find the libidn2 library 25# 26# Input variables: 27# 28# - `LIBIDN2_INCLUDE_DIR`: The libidn2 include directory. 29# - `LIBIDN2_LIBRARY`: Path to `libidn2` library. 30# 31# Result variables: 32# 33# - `LIBIDN2_FOUND`: System has libidn2. 34# - `LIBIDN2_INCLUDE_DIRS`: The libidn2 include directories. 35# - `LIBIDN2_LIBRARIES`: The libidn2 library names. 36# - `LIBIDN2_LIBRARY_DIRS`: The libidn2 library directories. 37# - `LIBIDN2_PC_REQUIRES`: The libidn2 pkg-config packages. 38# - `LIBIDN2_CFLAGS`: Required compiler flags. 39# - `LIBIDN2_VERSION`: Version of libidn2. 40 41set(LIBIDN2_PC_REQUIRES "libidn2") 42 43if(CURL_USE_PKGCONFIG AND 44 NOT DEFINED LIBIDN2_INCLUDE_DIR AND 45 NOT DEFINED LIBIDN2_LIBRARY) 46 find_package(PkgConfig QUIET) 47 pkg_check_modules(LIBIDN2 ${LIBIDN2_PC_REQUIRES}) 48endif() 49 50if(LIBIDN2_FOUND) 51 string(REPLACE ";" " " LIBIDN2_CFLAGS "${LIBIDN2_CFLAGS}") 52 message(STATUS "Found Libidn2 (via pkg-config): ${LIBIDN2_INCLUDE_DIRS} (found version \"${LIBIDN2_VERSION}\")") 53else() 54 find_path(LIBIDN2_INCLUDE_DIR NAMES "idn2.h") 55 find_library(LIBIDN2_LIBRARY NAMES "idn2" "libidn2") 56 57 unset(LIBIDN2_VERSION CACHE) 58 if(LIBIDN2_INCLUDE_DIR AND EXISTS "${LIBIDN2_INCLUDE_DIR}/idn2.h") 59 set(_version_regex "#[\t ]*define[\t ]+IDN2_VERSION[\t ]+\"([^\"]*)\"") 60 file(STRINGS "${LIBIDN2_INCLUDE_DIR}/idn2.h" _version_str REGEX "${_version_regex}") 61 string(REGEX REPLACE "${_version_regex}" "\\1" _version_str "${_version_str}") 62 set(LIBIDN2_VERSION "${_version_str}") 63 unset(_version_regex) 64 unset(_version_str) 65 endif() 66 67 include(FindPackageHandleStandardArgs) 68 find_package_handle_standard_args(Libidn2 69 REQUIRED_VARS 70 LIBIDN2_INCLUDE_DIR 71 LIBIDN2_LIBRARY 72 VERSION_VAR 73 LIBIDN2_VERSION 74 ) 75 76 if(LIBIDN2_FOUND) 77 set(LIBIDN2_INCLUDE_DIRS ${LIBIDN2_INCLUDE_DIR}) 78 set(LIBIDN2_LIBRARIES ${LIBIDN2_LIBRARY}) 79 endif() 80 81 mark_as_advanced(LIBIDN2_INCLUDE_DIR LIBIDN2_LIBRARY) 82endif() 83