| # 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/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() |