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Diffstat (limited to 'Source/Modules/FindLibUV.cmake')
-rw-r--r-- | Source/Modules/FindLibUV.cmake | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/Source/Modules/FindLibUV.cmake b/Source/Modules/FindLibUV.cmake new file mode 100644 index 0000000..7391aa7 --- /dev/null +++ b/Source/Modules/FindLibUV.cmake @@ -0,0 +1,131 @@ +#[=======================================================================[.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. +#]=======================================================================] + +#============================================================================= +# Copyright 2014-2016 Kitware, Inc. +# +# Distributed under the OSI-approved BSD License (the "License"); +# see accompanying file Copyright.txt for details. +# +# This software is distributed WITHOUT ANY WARRANTY; without even the +# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. +# See the License for more information. +#============================================================================= +# (To distribute this file outside of CMake, substitute the full +# License text for the above reference.) + +#----------------------------------------------------------------------------- +find_library(LibUV_LIBRARY + NAMES uv + ) +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() |