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# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
#[=======================================================================[.rst:
FindLibUV
---------
Find libuv includes and library.
Imported Targets
^^^^^^^^^^^^^^^^
An :ref:`imported target <Imported targets>` named
``LibUV::LibUV`` is provided if libuv has been found.
Result Variables
^^^^^^^^^^^^^^^^
This module defines the following variables:
``LibUV_FOUND``
True if libuv was found, false otherwise.
``LibUV_INCLUDE_DIRS``
Include directories needed to include libuv headers.
``LibUV_LIBRARIES``
Libraries needed to link to libuv.
``LibUV_VERSION``
The version of libuv found.
``LibUV_VERSION_MAJOR``
The major version of libuv.
``LibUV_VERSION_MINOR``
The minor version of libuv.
``LibUV_VERSION_PATCH``
The patch version of libuv.
Cache Variables
^^^^^^^^^^^^^^^
This module uses the following cache variables:
``LibUV_LIBRARY``
The location of the libuv library file.
``LibUV_INCLUDE_DIR``
The location of the libuv include directory containing ``uv.h``.
The cache variables should not be used by project code.
They may be set by end users to point at libuv components.
#]=======================================================================]
#-----------------------------------------------------------------------------
find_library(LibUV_LIBRARY
NAMES uv libuv
)
mark_as_advanced(LibUV_LIBRARY)
find_path(LibUV_INCLUDE_DIR
NAMES uv.h
)
mark_as_advanced(LibUV_INCLUDE_DIR)
#-----------------------------------------------------------------------------
# Extract version number if possible.
set(_LibUV_H_REGEX "#[ \t]*define[ \t]+UV_VERSION_(MAJOR|MINOR|PATCH)[ \t]+[0-9]+")
if(LibUV_INCLUDE_DIR AND EXISTS "${LibUV_INCLUDE_DIR}/uv-version.h")
file(STRINGS "${LibUV_INCLUDE_DIR}/uv-version.h" _LibUV_H REGEX "${_LibUV_H_REGEX}")
elseif(LibUV_INCLUDE_DIR AND EXISTS "${LibUV_INCLUDE_DIR}/uv.h")
file(STRINGS "${LibUV_INCLUDE_DIR}/uv.h" _LibUV_H REGEX "${_LibUV_H_REGEX}")
else()
set(_LibUV_H "")
endif()
foreach(c MAJOR MINOR PATCH)
if(_LibUV_H MATCHES "#[ \t]*define[ \t]+UV_VERSION_${c}[ \t]+([0-9]+)")
set(_LibUV_VERSION_${c} "${CMAKE_MATCH_1}")
else()
unset(_LibUV_VERSION_${c})
endif()
endforeach()
if(DEFINED _LibUV_VERSION_MAJOR AND DEFINED _LibUV_VERSION_MINOR)
set(LibUV_VERSION_MAJOR "${_LibUV_VERSION_MAJOR}")
set(LibUV_VERSION_MINOR "${_LibUV_VERSION_MINOR}")
set(LibUV_VERSION "${LibUV_VERSION_MAJOR}.${LibUV_VERSION_MINOR}")
if(DEFINED _LibUV_VERSION_PATCH)
set(LibUV_VERSION_PATCH "${_LibUV_VERSION_PATCH}")
set(LibUV_VERSION "${LibUV_VERSION}.${LibUV_VERSION_PATCH}")
else()
unset(LibUV_VERSION_PATCH)
endif()
else()
set(LibUV_VERSION_MAJOR "")
set(LibUV_VERSION_MINOR "")
set(LibUV_VERSION_PATCH "")
set(LibUV_VERSION "")
endif()
unset(_LibUV_VERSION_MAJOR)
unset(_LibUV_VERSION_MINOR)
unset(_LibUV_VERSION_PATCH)
unset(_LibUV_H_REGEX)
unset(_LibUV_H)
#-----------------------------------------------------------------------------
include(${CMAKE_CURRENT_LIST_DIR}/../../Modules/FindPackageHandleStandardArgs.cmake)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(LibUV
FOUND_VAR LibUV_FOUND
REQUIRED_VARS LibUV_LIBRARY LibUV_INCLUDE_DIR
VERSION_VAR LibUV_VERSION
)
set(LIBUV_FOUND ${LibUV_FOUND})
#-----------------------------------------------------------------------------
# Provide documented result variables and targets.
if(LibUV_FOUND)
set(LibUV_INCLUDE_DIRS ${LibUV_INCLUDE_DIR})
set(LibUV_LIBRARIES ${LibUV_LIBRARY})
if(NOT TARGET LibUV::LibUV)
add_library(LibUV::LibUV UNKNOWN IMPORTED)
set_target_properties(LibUV::LibUV PROPERTIES
IMPORTED_LOCATION "${LibUV_LIBRARY}"
INTERFACE_INCLUDE_DIRECTORIES "${LibUV_INCLUDE_DIRS}"
)
endif()
endif()
|
