curl/CMake/FindNGHTTP2.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
2.6 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 nghttp2 library
#
# Input variables:
#
# NGHTTP2_INCLUDE_DIR The nghttp2 include directory
# NGHTTP2_LIBRARY Path to nghttp2 library
#
# Result variables:
#
# NGHTTP2_FOUND System has nghttp2
# NGHTTP2_INCLUDE_DIRS The nghttp2 include directories
# NGHTTP2_LIBRARIES The nghttp2 library names
# NGHTTP2_VERSION Version of nghttp2
if(CURL_USE_PKGCONFIG)
find_package(PkgConfig QUIET)
pkg_check_modules(PC_NGHTTP2 "libnghttp2")
endif()
find_path(NGHTTP2_INCLUDE_DIR NAMES "nghttp2/nghttp2.h"
HINTS
${PC_NGHTTP2_INCLUDEDIR}
${PC_NGHTTP2_INCLUDE_DIRS}
)
find_library(NGHTTP2_LIBRARY NAMES "nghttp2" "nghttp2_static"
HINTS
${PC_NGHTTP2_LIBDIR}
${PC_NGHTTP2_LIBRARY_DIRS}
)
if(PC_NGHTTP2_VERSION)
set(NGHTTP2_VERSION ${PC_NGHTTP2_VERSION})
elseif(NGHTTP2_INCLUDE_DIR AND EXISTS "${NGHTTP2_INCLUDE_DIR}/nghttp2/nghttp2ver.h")
set(_version_regex "#[\t ]*define[\t ]+NGHTTP2_VERSION[\t ]+\"([^\"]*)\"")
file(STRINGS "${NGHTTP2_INCLUDE_DIR}/nghttp2/nghttp2ver.h" _version_str REGEX "${_version_regex}")
string(REGEX REPLACE "${_version_regex}" "\\1" _version_str "${_version_str}")
set(NGHTTP2_VERSION "${_version_str}")
unset(_version_regex)
unset(_version_str)
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(NGHTTP2
REQUIRED_VARS
NGHTTP2_INCLUDE_DIR
NGHTTP2_LIBRARY
VERSION_VAR
NGHTTP2_VERSION
)
if(NGHTTP2_FOUND)
set(NGHTTP2_INCLUDE_DIRS ${NGHTTP2_INCLUDE_DIR})
set(NGHTTP2_LIBRARIES ${NGHTTP2_LIBRARY})
endif()
mark_as_advanced(NGHTTP2_INCLUDE_DIR NGHTTP2_LIBRARY)