graphics/kamera/FindGphoto2.cmake

0001 # cmake macro to detect gphoto2 libraries
0002 #  GPHOTO2_FOUND - system has the GPHOTO2 library
0003 #  GPHOTO2_INCLUDE_DIR - the GPHOTO2 include directory
0004 #  GPHOTO2_LIBRARIES - The libraries needed to use GPHOTO2
0005
0006 # SPDX-FileCopyrightText: 2006, 2007 Laurent Montel <montel@kde.org>
0007 #
0008 # SPDX-License-Identifier: BSD-3-Clause
0009
0010 if(GPHOTO2_LIBRARIES AND GPHOTO2_INCLUDE_DIR)
0011
0012     # in cache already
0013     set(GPHOTO2_FOUND TRUE)
0014
0015 else()
0016
0017     find_program(GHOTO2CONFIG_EXECUTABLE     NAMES gphoto2-config)
0018     find_program(GHOTO2PORTCONFIG_EXECUTABLE NAMES gphoto2-port-config)
0019
0020     set(GPHOTO2_LIBRARIES)
0021     set(GPHOTO2_INCLUDE_DIRS)
0022
0023     # if gphoto2-port-config and gphoto2-config have been found
0024     if(GHOTO2PORTCONFIG_EXECUTABLE AND GHOTO2CONFIG_EXECUTABLE)
0025
0026         exec_program(${GHOTO2PORTCONFIG_EXECUTABLE} ARGS --libs   RETURN_VALUE _return_VALUE OUTPUT_VARIABLE GPHOTO2PORT_LIBRARY)
0027         exec_program(${GHOTO2CONFIG_EXECUTABLE}     ARGS --libs   RETURN_VALUE _return_VALUE OUTPUT_VARIABLE GPHOTO2_LIBRARY)
0028         exec_program(${GHOTO2PORTCONFIG_EXECUTABLE} ARGS --cflags RETURN_VALUE _return_VALUE OUTPUT_VARIABLE _GPHOTO2PORT_RESULT_INCLUDE_DIR)
0029         exec_program(${GHOTO2CONFIG_EXECUTABLE}     ARGS --cflags RETURN_VALUE _return_VALUE OUTPUT_VARIABLE _GPHOTO2_RESULT_INCLUDE_DIR)
0030
0031         set(GPHOTO2_LIBRARIES ${GPHOTO2PORT_LIBRARY} ${GPHOTO2_LIBRARY})
0032
0033         # the cflags can contain more than one include path
0034         separate_arguments(_GPHOTO2_RESULT_INCLUDE_DIR)
0035
0036         foreach(_includedir ${_GPHOTO2_RESULT_INCLUDE_DIR})
0037             string(REGEX REPLACE "-I(.+)" "\\1" _includedir "${_includedir}")
0038             set(GPHOTO2_INCLUDE_DIR ${GPHOTO2_INCLUDE_DIR} ${_includedir})
0039         endforeach()
0040
0041         separate_arguments(_GPHOTO2PORT_RESULT_INCLUDE_DIR)
0042
0043         foreach(_includedir ${_GPHOTO2PORT_RESULT_INCLUDE_DIR})
0044             string(REGEX REPLACE "-I(.+)" "\\1" _includedir "${_includedir}")
0045             set(GPHOTO2PORT_INCLUDE_DIR ${GPHOTO2PORT_INCLUDE_DIR} ${_includedir})
0046         endforeach()
0047
0048         set(GPHOTO2_INCLUDE_DIRS ${GPHOTO2PORT_INCLUDE_DIR} ${GPHOTO2_INCLUDE_DIR} )
0049
0050     endif()
0051
0052     if(GPHOTO2_LIBRARIES AND GPHOTO2_INCLUDE_DIRS)
0053         set(GPHOTO2_FOUND TRUE)
0054         message(STATUS "Found gphoto2: ${GPHOTO2_LIBRARIES}")
0055     else()
0056         pkg_check_modules(GPHOTO2 QUIET libgphoto2)
0057         if(GPHOTO2_LIBRARIES AND GPHOTO2_INCLUDE_DIRS)
0058             message(STATUS "Found gphoto2: ${GPHOTO2_LIBRARIES}")
0059         endif()
0060     endif()
0061
0062 endif()
0063
0064 mark_as_advanced(GPHOTO2_LIBRARIES GPHOTO2_INCLUDE_DIRS)