X-Git-Url: https://git.ao2.it/libam7xxx.git/blobdiff_plain/9929ba27d2c28ef364ecdd7b27120f0fe7000a8c..74b58c54e60a2fe4e44e1b1bca4ef3f9cfd95f5e:/examples/CMakeLists.txt

diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt
index c77a812..f076b19 100644
--- a/examples/CMakeLists.txt
+++ b/examples/CMakeLists.txt
@@ -1,7 +1,5 @@
 include(CheckSymbolExists)
-add_definitions("-D_POSIX_C_SOURCE=2") # for getopt()
-add_definitions("-D_POSIX_SOURCE") # for sigaction
-add_definitions("-D_BSD_SOURCE") # for strdup
+add_definitions("-D_POSIX_C_SOURCE=200809L") # for getopt(), sigaction(), and strdup()
 
 include_directories(${CMAKE_SOURCE_DIR}/src/)
 
@@ -18,8 +16,8 @@ endif()
 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_LIBRARIES}) 
-  set(CMAKE_REQUIRED_INCLUDES ${FFMPEG_LIBAVFORMAT_INCLUDE_DIRS}) 
+  set(CMAKE_REQUIRED_LIBRARIES ${FFMPEG_LIBRARIES})
+  set(CMAKE_REQUIRED_INCLUDES ${FFMPEG_LIBAVFORMAT_INCLUDE_DIRS})
   check_symbol_exists(avformat_open_input
     "${FFMPEG_LIBAVFORMAT_INCLUDE_DIRS}/libavformat/avformat.h"
     HAVE_AVFORMAT_OPEN_INPUT)
@@ -50,6 +48,7 @@ if(BUILD_AM7XXX-PLAY)
   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)
@@ -57,7 +56,7 @@ if(BUILD_AM7XXX-PLAY)
   target_link_libraries(am7xxx-play am7xxx
     ${FFMPEG_LIBRARIES}
     ${FFMPEG_LIBSWSCALE_LIBRARIES}
-    ${LIBXCB_LIBRARIES})
+    ${OPTIONAL_LIBRARIES})
   install(TARGETS am7xxx-play
     DESTINATION "${CMAKE_INSTALL_PREFIX}/bin")
 endif()