cmake: Find FFMPEG_LDFLAGS in FindFFmpeg.cmake.
Add support for setting the <component>_LDFLAGS and FFMPEG_LDFLAGS cmake variables based on pkg-config in FindFFmpeg.cmake. The LDFLAGS can be necessary when linking FFmpeg statically, as is the case for the mac builder script. Signed-off-by: Rafael Kitover <rkitover@gmail.com>
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@ -83,6 +83,7 @@ macro(find_component _component _pkgconfig _library _header)
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set(${_component}_DEFINITIONS ${PC_${_component}_CFLAGS_OTHER} CACHE STRING "The ${_component} CFLAGS.")
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set(${_component}_DEFINITIONS ${PC_${_component}_CFLAGS_OTHER} CACHE STRING "The ${_component} CFLAGS.")
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set(${_component}_LDFLAGS ${PC_${_component}_LDFLAGS} CACHE STRING "The ${_component} LDFLAGS.")
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set(${_component}_VERSION ${PC_${_component}_VERSION} CACHE STRING "The ${_component} version number.")
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set(${_component}_VERSION ${PC_${_component}_VERSION} CACHE STRING "The ${_component} version number.")
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set_component_found(${_component})
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set_component_found(${_component})
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@ -113,8 +114,9 @@ if (NOT FFMPEG_LIBRARIES)
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foreach (_component ${FFmpeg_FIND_COMPONENTS})
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foreach (_component ${FFmpeg_FIND_COMPONENTS})
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if (${_component}_FOUND)
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if (${_component}_FOUND)
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# message(STATUS "Required component ${_component} present.")
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# message(STATUS "Required component ${_component} present.")
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set(FFMPEG_LIBRARIES ${FFMPEG_LIBRARIES} ${${_component}_LIBRARIES})
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list(APPEND FFMPEG_LIBRARIES ${${_component}_LIBRARIES})
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set(FFMPEG_DEFINITIONS ${FFMPEG_DEFINITIONS} ${${_component}_DEFINITIONS})
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list(APPEND FFMPEG_DEFINITIONS ${${_component}_DEFINITIONS})
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list(APPEND FFMPEG_LDFLAGS ${${_component}_LDFLAGS})
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list(APPEND FFMPEG_INCLUDE_DIRS ${${_component}_INCLUDE_DIRS})
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list(APPEND FFMPEG_INCLUDE_DIRS ${${_component}_INCLUDE_DIRS})
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else ()
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else ()
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# message(STATUS "Required component ${_component} missing.")
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# message(STATUS "Required component ${_component} missing.")
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@ -129,9 +131,11 @@ if (NOT FFMPEG_LIBRARIES)
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# cache the vars.
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# cache the vars.
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set(FFMPEG_INCLUDE_DIRS ${FFMPEG_INCLUDE_DIRS} CACHE STRING "The FFmpeg include directories." FORCE)
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set(FFMPEG_INCLUDE_DIRS ${FFMPEG_INCLUDE_DIRS} CACHE STRING "The FFmpeg include directories." FORCE)
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set(FFMPEG_LIBRARIES ${FFMPEG_LIBRARIES} CACHE STRING "The FFmpeg libraries." FORCE)
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set(FFMPEG_LIBRARIES ${FFMPEG_LIBRARIES} CACHE STRING "The FFmpeg libraries." FORCE)
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set(FFMPEG_DEFINITIONS ${FFMPEG_DEFINITIONS} CACHE STRING "The FFmpeg cflags." FORCE)
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set(FFMPEG_DEFINITIONS ${FFMPEG_DEFINITIONS} CACHE STRING "The FFmpeg CFLAGS." FORCE)
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set(FFMPEG_LDFLAGS ${FFMPEG_LDFLAGS} CACHE STRING "The FFmpeg LDFLAGS." FORCE)
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mark_as_advanced(FFMPEG_INCLUDE_DIRS
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mark_as_advanced(FFMPEG_INCLUDE_DIRS
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FFMPEG_LDFLAGS
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FFMPEG_LIBRARIES
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FFMPEG_LIBRARIES
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FFMPEG_DEFINITIONS)
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FFMPEG_DEFINITIONS)
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@ -143,9 +147,9 @@ foreach (_component AVCODEC AVDEVICE AVFORMAT AVUTIL POSTPROCESS SWSCALE)
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endforeach ()
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endforeach ()
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# Compile the list of required vars
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# Compile the list of required vars
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set(_FFmpeg_REQUIRED_VARS FFMPEG_LIBRARIES FFMPEG_INCLUDE_DIRS)
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set(_FFmpeg_REQUIRED_VARS FFMPEG_LIBRARIES FFMPEG_LDFLAGS FFMPEG_INCLUDE_DIRS)
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foreach (_component ${FFmpeg_FIND_COMPONENTS})
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foreach (_component ${FFmpeg_FIND_COMPONENTS})
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list(APPEND _FFmpeg_REQUIRED_VARS ${_component}_LIBRARIES ${_component}_INCLUDE_DIRS)
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list(APPEND _FFmpeg_REQUIRED_VARS ${_component}_LIBRARIES ${_component}_LDFLAGS ${_component}_INCLUDE_DIRS)
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endforeach ()
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endforeach ()
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# Give a nice error message if some of the required vars are missing.
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# Give a nice error message if some of the required vars are missing.
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