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#[=======================================================================[.rst
FindWebsocketpp
----------
FindModule for WebSocket++ and the associated library
Imported Targets
^^^^^^^^^^^^^^^^
.. versionadded:: 2.0
This module defines the :prop_tgt:`IMPORTED` target ``Websocketpp::Websocketpp``.
Result Variables
^^^^^^^^^^^^^^^^
This module sets the following variables:
``Websocketpp_FOUND``
True, if the library was found.
``Websocketpp_VERSION``
Detected version of found Websocketpp library.
Cache variables
^^^^^^^^^^^^^^^
The following cache variables may also be set:
``Websocketpp_INCLUDE_DIR``
Directory containing ``websocketpp/client.hpp``.
#]=======================================================================]
# cmake-format: off
# cmake-lint: disable=C0103
# cmake-lint: disable=C0301
# cmake-format: on
include(FindPackageHandleStandardArgs)
find_path(
Websocketpp_INCLUDE_DIR
NAMES websocketpp/client.hpp
PATHS /usr/include /usr/local/include
DOC "WebSocket++ include directory")
if(EXISTS "${Websocketpp_INCLUDE_DIR}/websocketpp/version.hpp")
file(STRINGS "${Websocketpp_INCLUDE_DIR}/websocketpp/version.hpp" _version_string
REGEX "^.*(major|minor|patch)_version[ \t]+=[ \t]+[0-9]+")
string(REGEX REPLACE ".*major_version[ \t]+=[ \t]+([0-9]+).*" "\\1" _version_major "${_version_string}")
string(REGEX REPLACE ".*minor_version[ \t]+=[ \t]+([0-9]+).*" "\\1" _version_minor "${_version_string}")
string(REGEX REPLACE ".*patch_version[ \t]+=[ \t]+([0-9]+).*" "\\1" _version_patch "${_version_string}")
set(Websocketpp_VERSION "${_version_major}.${_version_minor}.${_version_patch}")
unset(_version_major)
unset(_version_minor)
unset(_version_patch)
else()
if(NOT Websocketpp_FIND_QUIETLY)
message(AUTHOR_WARNING "Failed to find WebSocket++ version.")
endif()
set(Websocketpp_VERSION 0.0.0)
endif()
if(CMAKE_HOST_SYSTEM_NAME MATCHES "Darwin|Windows")
set(Websocketpp_ERROR_REASON "Ensure that obs-deps is provided as part of CMAKE_PREFIX_PATH.")
elseif(CMAKE_HOST_SYSTEM_NAME MATCHES "Linux|FreeBSD")
set(Websocketpp_ERROR_REASON "Ensure WebSocket++ library is available in local include paths.")
endif()
find_package_handle_standard_args(
Websocketpp
REQUIRED_VARS Websocketpp_INCLUDE_DIR
VERSION_VAR Websocketpp_VERSION REASON_FAILURE_MESSAGE "${Websocketpp_ERROR_REASON}")
mark_as_advanced(Websocketpp_INCLUDE_DIR)
unset(Websocketpp_ERROR_REASON)
if(Websocketpp_FOUND)
if(NOT TARGET Websocketpp::Websocketpp)
add_library(Websocketpp::Websocketpp INTERFACE IMPORTED)
set_target_properties(Websocketpp::Websocketpp PROPERTIES INTERFACE_INCLUDE_DIRECTORIES
"${Websocketpp_INCLUDE_DIR}")
endif()
endif()
include(FeatureSummary)
set_package_properties(
Websocketpp PROPERTIES
URL "https://www.zaphoyd.com/websocketpp/"
DESCRIPTION "WebSocket++ is a header only C++ library that implements RFC6455 The WebSocket Protocol.")
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