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 nghttp3 library 25# 26# Input variables: 27# 28# - `NGHTTP3_INCLUDE_DIR`: The nghttp3 include directory. 29# - `NGHTTP3_LIBRARY`: Path to `nghttp3` library. 30# 31# Result variables: 32# 33# - `NGHTTP3_FOUND`: System has nghttp3. 34# - `NGHTTP3_INCLUDE_DIRS`: The nghttp3 include directories. 35# - `NGHTTP3_LIBRARIES`: The nghttp3 library names. 36# - `NGHTTP3_LIBRARY_DIRS`: The nghttp3 library directories. 37# - `NGHTTP3_PC_REQUIRES`: The nghttp3 pkg-config packages. 38# - `NGHTTP3_CFLAGS`: Required compiler flags. 39# - `NGHTTP3_VERSION`: Version of nghttp3. 40 41set(NGHTTP3_PC_REQUIRES "libnghttp3") 42 43if(CURL_USE_PKGCONFIG AND 44 NOT DEFINED NGHTTP3_INCLUDE_DIR AND 45 NOT DEFINED NGHTTP3_LIBRARY) 46 find_package(PkgConfig QUIET) 47 pkg_check_modules(NGHTTP3 ${NGHTTP3_PC_REQUIRES}) 48endif() 49 50if(NGHTTP3_FOUND) 51 string(REPLACE ";" " " NGHTTP3_CFLAGS "${NGHTTP3_CFLAGS}") 52 message(STATUS "Found NGHTTP3 (via pkg-config): ${NGHTTP3_INCLUDE_DIRS} (found version \"${NGHTTP3_VERSION}\")") 53else() 54 find_path(NGHTTP3_INCLUDE_DIR NAMES "nghttp3/nghttp3.h") 55 find_library(NGHTTP3_LIBRARY NAMES "nghttp3") 56 57 unset(NGHTTP3_VERSION CACHE) 58 if(NGHTTP3_INCLUDE_DIR AND EXISTS "${NGHTTP3_INCLUDE_DIR}/nghttp3/version.h") 59 set(_version_regex "#[\t ]*define[\t ]+NGHTTP3_VERSION[\t ]+\"([^\"]*)\"") 60 file(STRINGS "${NGHTTP3_INCLUDE_DIR}/nghttp3/version.h" _version_str REGEX "${_version_regex}") 61 string(REGEX REPLACE "${_version_regex}" "\\1" _version_str "${_version_str}") 62 set(NGHTTP3_VERSION "${_version_str}") 63 unset(_version_regex) 64 unset(_version_str) 65 endif() 66 67 include(FindPackageHandleStandardArgs) 68 find_package_handle_standard_args(NGHTTP3 69 REQUIRED_VARS 70 NGHTTP3_INCLUDE_DIR 71 NGHTTP3_LIBRARY 72 VERSION_VAR 73 NGHTTP3_VERSION 74 ) 75 76 if(NGHTTP3_FOUND) 77 set(NGHTTP3_INCLUDE_DIRS ${NGHTTP3_INCLUDE_DIR}) 78 set(NGHTTP3_LIBRARIES ${NGHTTP3_LIBRARY}) 79 endif() 80 81 mark_as_advanced(NGHTTP3_INCLUDE_DIR NGHTTP3_LIBRARY) 82endif() 83