mirror of https://github.com/FreeRDP/FreeRDP
123 lines
3.8 KiB
CMake
123 lines
3.8 KiB
CMake
############################################################################
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# FindV4L.cmake
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# Copyright (C) 2014-2023 Belledonne Communications, Grenoble France
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#
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############################################################################
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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############################################################################
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#
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# Find the v4l library.
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#
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# Targets
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# ^^^^^^^
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#
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# The following targets may be defined:
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#
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# v4l1 - If the v4l1 library has been found
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# v4l2 - If the v4l2 library has been found
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# v4lconvert - If the v4lconvert library has been found
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#
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#
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# Result variables
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# ^^^^^^^^^^^^^^^^
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#
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# This module will set the following variables in your project:
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#
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# V4L_FOUND - The v4l library has been found
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# V4L_TARGETS - The list of the names of the CMake targets for the v4l libraries
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# V4L_TARGET - The name of the CMake target for the v4l library
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# V4L_convert_TARGET - The name of the CMake target for the v4lconvert library
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# HAVE_LINUX_VIDEODEV_H - If the v4l library provides the linux/videodev.h header file
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# HAVE_LINUX_VIDEODEV2_H - If the v4l library provides the linux/videodev2.h header file
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set(_V4L_REQUIRED_VARS V4L_TARGETS V4L_TARGET V4L_convert_TARGET)
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set(_V4L_CACHE_VARS ${_V4L_REQUIRED_VARS} HAVE_LINUX_VIDEODEV_H HAVE_LINUX_VIDEODEV2_H)
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set(_V4L_ROOT_PATHS ${CMAKE_INSTALL_PREFIX})
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find_path(_V4L1_INCLUDE_DIRS
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NAMES linux/videodev.h
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HINTS _V4L_ROOT_PATHS
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PATH_SUFFIXES include
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)
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if(_V4L1_INCLUDE_DIRS)
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set(HAVE_LINUX_VIDEODEV_H 1)
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endif()
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find_path(_V4L2_INCLUDE_DIRS
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NAMES linux/videodev2.h
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HINTS _V4L_ROOT_PATHS
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PATH_SUFFIXES include
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)
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if(_V4L2_INCLUDE_DIRS)
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set(HAVE_LINUX_VIDEODEV2_H 1)
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endif()
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if(_V4L1_INCLUDE_DIRS OR _V4L2_INCLUDE_DIRS)
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find_library(_V4L1_LIBRARY
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NAMES v4l1
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HINTS _V4L_ROOT_PATHS
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PATH_SUFFIXES bin lib
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)
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find_library(_V4L2_LIBRARY
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NAMES v4l2
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HINTS _V4L_ROOT_PATHS
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PATH_SUFFIXES bin lib
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)
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find_library(_V4LCONVERT_LIBRARY
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NAMES v4lconvert
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HINTS _V4L_ROOT_PATHS
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PATH_SUFFIXES bin lib
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)
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endif()
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if(_V4L1_LIBRARY OR _V4L2_LIBRARY OR _V4LCONVERT_LIBRARY)
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set(V4L_TARGETS )
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if(_V4L2_LIBRARY)
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add_library(v4l2 UNKNOWN IMPORTED)
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set_target_properties(v4l2 PROPERTIES
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INTERFACE_INCLUDE_DIRECTORIES "${_V4L2_INCLUDE_DIRS}"
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IMPORTED_LOCATION "${_V4L2_LIBRARY}"
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)
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set(V4L_TARGET v4l2)
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list(APPEND V4L_TARGETS v4l2)
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set(_V4L_INCLUDE_DIRS "${_V4L2_INCLUDE_DIRS}")
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elseif(_V4L1_LIBRARY)
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add_library(v4l1 UNKNOWN IMPORTED)
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set_target_properties(v4l1 PROPERTIES
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INTERFACE_INCLUDE_DIRECTORIES "${_V4L1_INCLUDE_DIRS}"
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IMPORTED_LOCATION "${_V4L1_LIBRARY}"
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)
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set(V4L_TARGET v4l1)
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list(APPEND V4L_TARGETS v4l1)
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set(_V4L_INCLUDE_DIRS "${_V4L1_INCLUDE_DIRS}")
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endif()
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if(_V4LCONVERT_LIBRARY)
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add_library(v4lconvert UNKNOWN IMPORTED)
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set_target_properties(v4lconvert PROPERTIES
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INTERFACE_INCLUDE_DIRECTORIES "${_V4L_INCLUDE_DIRS}"
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IMPORTED_LOCATION "${_V4LCONVERT_LIBRARY}"
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)
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set(V4L_convert_TARGET v4lconvert)
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list(APPEND V4L_TARGETS v4lconvert)
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endif()
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endif()
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(V4L REQUIRED_VARS ${_V4L_REQUIRED_VARS})
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mark_as_advanced(${_V4L_CACHE_VARS})
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