-find_package(FFmpeg REQUIRED)
-
-include_directories(${FFMPEG_LIBAVDEVICE_INCLUDE_DIRS})
-include_directories(${FFMPEG_LIBAVFORMAT_INCLUDE_DIRS})
-include_directories(${FFMPEG_LIBSWSCALE_INCLUDE_DIRS})
-
-# xcb is used to retrieve the full screen dimensions when using x11grab
-# as input format
-find_package(XCB)
-if (XCB_FOUND)
- add_definitions("${LIBXCB_DEFINITIONS} -DHAVE_XCB")
- include_directories(${LIBXCB_INCLUDE_DIRS})
+option(BUILD_AM7XXX-PLAY "Build a more complete example: am7xxx-play" TRUE)
+if(BUILD_AM7XXX-PLAY)
+ find_package(FFmpeg REQUIRED)
+ set(CMAKE_REQUIRED_LIBRARIES ${FFMPEG_LIBAVFORMAT_LIBRARIES})
+ set(CMAKE_REQUIRED_INCLUDES ${FFMPEG_LIBAVFORMAT_INCLUDE_DIRS})
+ check_symbol_exists(avformat_open_input
+ "libavformat/avformat.h"
+ HAVE_AVFORMAT_OPEN_INPUT)
+ if(NOT HAVE_AVFORMAT_OPEN_INPUT)
+ message(FATAL_ERROR
+ "Function avformat_open_input missing. Please use a newer FFmpeg release.")
+ endif()
+
+ include_directories(${FFMPEG_LIBAVDEVICE_INCLUDE_DIRS})
+ include_directories(${FFMPEG_LIBAVFORMAT_INCLUDE_DIRS})
+ include_directories(${FFMPEG_LIBSWSCALE_INCLUDE_DIRS})
+
+ set(CMAKE_REQUIRED_DEFINITIONS -D_POSIX_SOURCE)
+ check_symbol_exists(sigaction "signal.h" HAVE_SIGACTION)
+ if (HAVE_SIGACTION)
+ add_definitions("-DHAVE_SIGACTION")
+ endif()
+
+ check_symbol_exists(strtok_r "string.h" HAVE_STRTOK_R)
+ if (HAVE_STRTOK_R)
+ add_definitions("-DHAVE_STRTOK_R")
+ endif()
+ set(CMAKE_REQUIRED_DEFINITIONS)
+
+ # xcb is used to retrieve the full screen dimensions when using x11grab
+ # as input format
+ find_package(XCB)
+ if (XCB_FOUND)
+ add_definitions("${LIBXCB_DEFINITIONS} -DHAVE_XCB")
+ include_directories(${LIBXCB_INCLUDE_DIRS})
+ set(OPTIONAL_LIBRARIES ${LIBXCB_LIBRARIES})
+ endif()
+
+ add_executable(am7xxx-play am7xxx-play.c)
+
+ target_link_libraries(am7xxx-play am7xxx
+ ${FFMPEG_LIBRARIES}
+ ${FFMPEG_LIBSWSCALE_LIBRARIES}
+ ${OPTIONAL_LIBRARIES})
+ install(TARGETS am7xxx-play
+ DESTINATION ${CMAKE_INSTALL_BINDIR})