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#***************************************************************************
# _ _ ____ _
# 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 librtmp library
#
# Input variables:
#
# - `LIBRTMP_INCLUDE_DIR`: Absolute path to librtmp include directory.
# - `LIBRTMP_LIBRARY`: Absolute path to `librtmp` library.
#
# Defines:
#
# - `LIBRTMP_FOUND`: System has librtmp.
# - `LIBRTMP_VERSION`: Version of librtmp.
# - `CURL::librtmp`: librtmp library target.
set(_librtmp_pc_requires "librtmp")
if(CURL_USE_PKGCONFIG AND
NOT DEFINED LIBRTMP_INCLUDE_DIR AND
NOT DEFINED LIBRTMP_LIBRARY)
find_package(PkgConfig QUIET)
pkg_check_modules(_librtmp ${_librtmp_pc_requires})
endif()
if(_librtmp_FOUND AND _librtmp_INCLUDE_DIRS)
set(Librtmp_FOUND TRUE)
set(LIBRTMP_FOUND TRUE)
set(LIBRTMP_VERSION ${_librtmp_VERSION})
message(STATUS "Found Librtmp (via pkg-config): ${_librtmp_INCLUDE_DIRS} (found version \"${LIBRTMP_VERSION}\")")
else()
find_path(LIBRTMP_INCLUDE_DIR NAMES "librtmp/rtmp.h")
find_library(LIBRTMP_LIBRARY NAMES "rtmp")
unset(LIBRTMP_VERSION CACHE)
if(LIBRTMP_INCLUDE_DIR AND EXISTS "${LIBRTMP_INCLUDE_DIR}/librtmp/rtmp.h")
set(_version_regex "#[\t ]*define[\t ]+RTMP_LIB_VERSION[\t ]+0x([0-9a-fA-F][0-9a-fA-F])([0-9a-fA-F][0-9a-fA-F]).*")
file(STRINGS "${LIBRTMP_INCLUDE_DIR}/librtmp/rtmp.h" _version_str REGEX "${_version_regex}")
string(REGEX REPLACE "${_version_regex}" "\\1" _version_str1 "${_version_str}")
string(REGEX REPLACE "${_version_regex}" "\\2" _version_str2 "${_version_str}")
if(CMAKE_VERSION VERSION_LESS 3.13)
# No support for hex version numbers, just strip leading zeroes
string(REGEX REPLACE "^0" "" _version_str1 "${_version_str1}")
string(REGEX REPLACE "^0" "" _version_str2 "${_version_str2}")
else()
math(EXPR _version_str1 "0x${_version_str1}" OUTPUT_FORMAT DECIMAL)
math(EXPR _version_str2 "0x${_version_str2}" OUTPUT_FORMAT DECIMAL)
endif()
set(LIBRTMP_VERSION "${_version_str1}.${_version_str2}")
unset(_version_regex)
unset(_version_str1)
unset(_version_str2)
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Librtmp
REQUIRED_VARS
LIBRTMP_INCLUDE_DIR
LIBRTMP_LIBRARY
VERSION_VAR
LIBRTMP_VERSION
)
if(LIBRTMP_FOUND)
set(_librtmp_INCLUDE_DIRS ${LIBRTMP_INCLUDE_DIR})
set(_librtmp_LIBRARIES ${LIBRTMP_LIBRARY})
endif()
mark_as_advanced(LIBRTMP_INCLUDE_DIR LIBRTMP_LIBRARY)
# Necessary when linking a static librtmp
find_package(OpenSSL)
if(OpenSSL_FOUND)
list(APPEND _librtmp_LIBRARIES OpenSSL::SSL OpenSSL::Crypto)
endif()
endif()
if(LIBRTMP_FOUND)
if(WIN32)
list(APPEND _librtmp_LIBRARIES "winmm")
endif()
if(CMAKE_VERSION VERSION_LESS 3.13)
link_directories(${_librtmp_LIBRARY_DIRS})
endif()
if(NOT TARGET CURL::librtmp)
add_library(CURL::librtmp INTERFACE IMPORTED)
set_target_properties(CURL::librtmp PROPERTIES
INTERFACE_LIBCURL_PC_MODULES "${_librtmp_pc_requires}"
INTERFACE_COMPILE_OPTIONS "${_librtmp_CFLAGS}"
INTERFACE_INCLUDE_DIRECTORIES "${_librtmp_INCLUDE_DIRS}"
INTERFACE_LINK_DIRECTORIES "${_librtmp_LIBRARY_DIRS}"
INTERFACE_LINK_LIBRARIES "${_librtmp_LIBRARIES}")
endif()
endif()
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