add support for clang 3.3 (although there has to be a better way for this) and output right version number
# - Try to find ffmpeg libraries (libavcodec, libavformat and libavutil)
# Once done this will define
#
# FFMPEG_FOUND - system has ffmpeg or libav
# FFMPEG_INCLUDE_DIR - the ffmpeg include directory
# FFMPEG_LIBRARIES - Link these to use ffmpeg
# FFMPEG_LIBAVCODEC
# FFMPEG_LIBAVFORMAT
# FFMPEG_LIBAVUTIL
#
# Copyright (c) 2008 Andreas Schneider <mail@cynapses.org>
# Modified for other libraries by Lasse Kärkkäinen <tronic>
# Modified for Hedgewars by Stepik777
#
# Redistribution and use is allowed according to the terms of the New
# BSD license.
#
set(FFMPEG_FOUND FALSE)
if (FFMPEG_LIBRARIES AND FFMPEG_INCLUDE_DIR)
# in cache already
set(FFMPEG_FOUND TRUE)
else (FFMPEG_LIBRARIES AND FFMPEG_INCLUDE_DIR)
# silence output option
if (FFMPEG_FIND_QUIETLY)
set(VERBOSITY "QUIET")
endif ()
# use pkg-config to get the directories and then use these values
# in the FIND_PATH() and FIND_LIBRARY() calls
find_package(PkgConfig)
if (PKG_CONFIG_FOUND)
pkg_check_modules(_FFMPEG_AVCODEC libavcodec ${VERBOSITY})
pkg_check_modules(_FFMPEG_AVFORMAT libavformat ${VERBOSITY})
pkg_check_modules(_FFMPEG_AVUTIL libavutil ${VERBOSITY})
endif (PKG_CONFIG_FOUND)
find_path(FFMPEG_AVCODEC_INCLUDE_DIR
NAMES libavcodec/avcodec.h
PATHS ${_FFMPEG_AVCODEC_INCLUDE_DIRS}
/usr/include /usr/local/include #system level
/opt/local/include #macports
/sw/include #fink
PATH_SUFFIXES ffmpeg libav
)
find_library(FFMPEG_LIBAVCODEC
NAMES avcodec
PATHS ${_FFMPEG_AVCODEC_LIBRARY_DIRS}
/usr/lib /usr/local/lib #system level
/opt/local/lib #macports
/sw/lib #fink
)
find_library(FFMPEG_LIBAVFORMAT
NAMES avformat
PATHS ${_FFMPEG_AVFORMAT_LIBRARY_DIRS}
/usr/lib /usr/local/lib #system level
/opt/local/lib #macports
/sw/lib #fink
)
find_library(FFMPEG_LIBAVUTIL
NAMES avutil
PATHS ${_FFMPEG_AVUTIL_LIBRARY_DIRS}
/usr/lib /usr/local/lib #system level
/opt/local/lib #macports
/sw/lib #fink
)
if (FFMPEG_LIBAVCODEC AND FFMPEG_LIBAVFORMAT)
set(FFMPEG_FOUND TRUE)
endif()
if (FFMPEG_FOUND)
set(FFMPEG_INCLUDE_DIR ${FFMPEG_AVCODEC_INCLUDE_DIR})
set(FFMPEG_LIBRARIES
${FFMPEG_LIBAVCODEC}
${FFMPEG_LIBAVFORMAT}
${FFMPEG_LIBAVUTIL}
)
endif (FFMPEG_FOUND)
if (FFMPEG_FOUND)
if (NOT FFMPEG_FIND_QUIETLY)
message(STATUS "Found FFMPEG/LibAV: ${FFMPEG_LIBRARIES}, ${FFMPEG_INCLUDE_DIR}")
endif (NOT FFMPEG_FIND_QUIETLY)
else (FFMPEG_FOUND)
if (FFMPEG_FIND_REQUIRED)
message(FATAL_ERROR "Could NOT find libavcodec or libavformat or libavutil")
endif (FFMPEG_FIND_REQUIRED)
endif (FFMPEG_FOUND)
endif (FFMPEG_LIBRARIES AND FFMPEG_INCLUDE_DIR)