curl/CMake/FindNGHTTP3.cmake
Viktor Szakats 3e60f174ee
cmake: tidy up more in Find modules
- add `NAMES` where missing.
- document input variables (including deprecated ones.)
- comment cleanups.
- FindWolfSSL: drop stray `QUIET` from `pkg_check_modules()`.
  (`QUIET` may be re-added for all modules in the future.)

Closes #14579
2024-08-18 22:53:09 +02:00

81 lines
2.5 KiB
CMake

#***************************************************************************
# _ _ ____ _
# 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 nghttp3 library
#
# Input variables:
#
# NGHTTP3_INCLUDE_DIR The nghttp3 include directory
# NGHTTP3_LIBRARY Path to nghttp3 library
#
# Result variables:
#
# NGHTTP3_FOUND System has nghttp3
# NGHTTP3_INCLUDE_DIRS The nghttp3 include directories
# NGHTTP3_LIBRARIES The nghttp3 library names
# NGHTTP3_VERSION Version of nghttp3
if(CURL_USE_PKGCONFIG)
find_package(PkgConfig QUIET)
pkg_check_modules(PC_NGHTTP3 "libnghttp3")
endif()
find_path(NGHTTP3_INCLUDE_DIR NAMES "nghttp3/nghttp3.h"
HINTS
${PC_NGHTTP3_INCLUDEDIR}
${PC_NGHTTP3_INCLUDE_DIRS}
)
find_library(NGHTTP3_LIBRARY NAMES "nghttp3"
HINTS
${PC_NGHTTP3_LIBDIR}
${PC_NGHTTP3_LIBRARY_DIRS}
)
if(PC_NGHTTP3_VERSION)
set(NGHTTP3_VERSION ${PC_NGHTTP3_VERSION})
elseif(NGHTTP3_INCLUDE_DIR AND EXISTS "${NGHTTP3_INCLUDE_DIR}/nghttp3/version.h")
set(_version_regex "#[\t ]*define[\t ]+NGHTTP3_VERSION[\t ]+\"([^\"]*)\"")
file(STRINGS "${NGHTTP3_INCLUDE_DIR}/nghttp3/version.h" _version_str REGEX "${_version_regex}")
string(REGEX REPLACE "${_version_regex}" "\\1" _version_str "${_version_str}")
set(NGHTTP3_VERSION "${_version_str}")
unset(_version_regex)
unset(_version_str)
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(NGHTTP3
REQUIRED_VARS
NGHTTP3_INCLUDE_DIR
NGHTTP3_LIBRARY
VERSION_VAR
NGHTTP3_VERSION
)
if(NGHTTP3_FOUND)
set(NGHTTP3_INCLUDE_DIRS ${NGHTTP3_INCLUDE_DIR})
set(NGHTTP3_LIBRARIES ${NGHTTP3_LIBRARY})
endif()
mark_as_advanced(NGHTTP3_INCLUDE_DIR NGHTTP3_LIBRARY)