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 libuv library 25# 26# Input variables: 27# 28# - `LIBUV_INCLUDE_DIR`: The libuv include directory. 29# - `LIBUV_LIBRARY`: Path to `libuv` library. 30# 31# Result variables: 32# 33# - `LIBUV_FOUND`: System has libuv. 34# - `LIBUV_INCLUDE_DIRS`: The libuv include directories. 35# - `LIBUV_LIBRARIES`: The libuv library names. 36# - `LIBUV_LIBRARY_DIRS`: The libuv library directories. 37# - `LIBUV_CFLAGS`: Required compiler flags. 38# - `LIBUV_VERSION`: Version of libuv. 39 40if(CURL_USE_PKGCONFIG AND 41 NOT DEFINED LIBUV_INCLUDE_DIR AND 42 NOT DEFINED LIBUV_LIBRARY) 43 find_package(PkgConfig QUIET) 44 pkg_check_modules(LIBUV "libuv") 45endif() 46 47if(LIBUV_FOUND) 48 string(REPLACE ";" " " LIBUV_CFLAGS "${LIBUV_CFLAGS}") 49 message(STATUS "Found Libuv (via pkg-config): ${LIBUV_INCLUDE_DIRS} (found version \"${LIBUV_VERSION}\")") 50else() 51 find_path(LIBUV_INCLUDE_DIR NAMES "uv.h") 52 find_library(LIBUV_LIBRARY NAMES "uv" "libuv") 53 54 unset(LIBUV_VERSION CACHE) 55 if(LIBUV_INCLUDE_DIR AND EXISTS "${LIBUV_INCLUDE_DIR}/uv/version.h") 56 set(_version_regex1 "#[\t ]*define[\t ]+UV_VERSION_MAJOR[\t ]+([0-9]+).*") 57 set(_version_regex2 "#[\t ]*define[\t ]+UV_VERSION_MINOR[\t ]+([0-9]+).*") 58 set(_version_regex3 "#[\t ]*define[\t ]+UV_VERSION_PATCH[\t ]+([0-9]+).*") 59 file(STRINGS "${LIBUV_INCLUDE_DIR}/uv/version.h" _version_str1 REGEX "${_version_regex1}") 60 file(STRINGS "${LIBUV_INCLUDE_DIR}/uv/version.h" _version_str2 REGEX "${_version_regex2}") 61 file(STRINGS "${LIBUV_INCLUDE_DIR}/uv/version.h" _version_str3 REGEX "${_version_regex3}") 62 string(REGEX REPLACE "${_version_regex1}" "\\1" _version_str1 "${_version_str1}") 63 string(REGEX REPLACE "${_version_regex2}" "\\1" _version_str2 "${_version_str2}") 64 string(REGEX REPLACE "${_version_regex3}" "\\1" _version_str3 "${_version_str3}") 65 set(LIBUV_VERSION "${_version_str1}.${_version_str2}.${_version_str3}") 66 unset(_version_regex1) 67 unset(_version_regex2) 68 unset(_version_regex3) 69 unset(_version_str1) 70 unset(_version_str2) 71 unset(_version_str3) 72 endif() 73 74 include(FindPackageHandleStandardArgs) 75 find_package_handle_standard_args(Libuv 76 REQUIRED_VARS 77 LIBUV_INCLUDE_DIR 78 LIBUV_LIBRARY 79 VERSION_VAR 80 LIBUV_VERSION 81 ) 82 83 if(LIBUV_FOUND) 84 set(LIBUV_INCLUDE_DIRS ${LIBUV_INCLUDE_DIR}) 85 set(LIBUV_LIBRARIES ${LIBUV_LIBRARY}) 86 endif() 87 88 mark_as_advanced(LIBUV_INCLUDE_DIR LIBUV_LIBRARY) 89endif() 90
