87 lines
2.1 KiB
CMake
87 lines
2.1 KiB
CMake
include(FindPkgConfig OPTIONAL)
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macro(_internal_message msg)
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if(NOT ${_is_quiet})
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message("${msg}")
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endif()
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endmacro()
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macro(check_lib var pc lib)
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set(_is_required 0)
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set(_is_quiet 0)
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set(_arg_list ${ARGN})
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foreach(_arg ${ARGN})
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if(_arg STREQUAL "REQUIRED")
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list(REMOVE_ITEM _arg_list "REQUIRED")
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set(_is_required 1)
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endif()
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if(_arg STREQUAL "QUIET")
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list(REMOVE_ITEM _arg_list "QUIET")
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set(_is_quiet 1)
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endif()
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endforeach()
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if(PKG_CONFIG_FOUND AND NOT ${var}_FOUND)
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pkg_search_module(${var} QUIET ${pc})
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endif()
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if(${var}_FOUND)
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include_directories(${${var}_INCLUDE_DIRS})
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# Make sure include directories for headers found using find_path below
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# are re-added when reconfiguring
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include_directories(${${var}_INCLUDE})
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_internal_message("${lib} found")
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else()
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find_library(${var} ${lib})
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if(_arg_list)
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find_path(${var}_INCLUDE ${_arg_list})
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else()
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set(${var}_INCLUDE FALSE)
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endif()
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if(${var} AND ${var}_INCLUDE)
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include_directories(${${var}_INCLUDE})
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_internal_message("${lib} found")
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set(${var}_FOUND 1 CACHE INTERNAL "")
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else()
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if(_is_required)
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message(FATAL_ERROR "${lib} is required but not found")
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else()
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_internal_message("${lib} not found")
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endif()
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endif()
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endif()
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endmacro()
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macro(check_libav)
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if(PKG_CONFIG_FOUND)
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pkg_check_modules(LIBAV libavcodec>=54.35.0 libavformat>=54.20.4
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libswscale>=2.1.1 libavutil>=52.3.0)
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else()
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# Attempt to find it through static means
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set(LIBAV_LDFLAGS avformat avcodec swscale avutil)
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set(CMAKE_REQUIRED_LIBRARIES ${LIBAV_LDFLAGS})
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CHECK_CXX_SOURCE_COMPILES(
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"extern \"C\" {
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#include <libavcodec/avcodec.h>
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#include <libavformat/avformat.h>
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#include <libavutil/mathematics.h>
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#include <libswscale/swscale.h>
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}
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int main(int argc, char **argv)
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{
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av_register_all();
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return 0;
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}"
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LIBAV_FOUND)
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unset(CMAKE_REQUIRED_LIBRARIES)
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endif()
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if(LIBAV_FOUND)
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message("libav/ffmpeg found, enabling AVI frame dumps")
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add_definitions(-DHAVE_LIBAV)
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include_directories(${LIBAV_INCLUDE_DIRS})
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else()
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message("libav/ffmpeg not found, disabling AVI frame dumps")
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endif()
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endmacro()
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