65 lines
1.4 KiB
CMake
65 lines
1.4 KiB
CMake
include(FindPkgConfig OPTIONAL)
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macro(_internal_message msg _quiet)
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if(NOT _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 lib)
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set(_is_required 0)
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set(_is_quiet 0)
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foreach(_arg ${ARGN})
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if(_arg STREQUAL "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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set(_is_quiet 1)
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endif()
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endforeach()
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if(ARGN)
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list(REMOVE_ITEM ${ARGN} "REQUIRED")
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list(REMOVE_ITEM ${ARGN} "QUIET")
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endif()
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if(PKG_CONFIG_FOUND AND NOT ${var}_FOUND)
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string(TOLOWER ${lib} lower_lib)
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pkg_search_module(${var} QUIET ${lower_lib})
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endif()
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if(${var}_FOUND)
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_internal_message("${lib} found" _is_quiet)
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else()
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find_library(${var} ${lib})
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foreach(_file ${ARGN})
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find_path(${var}_INCLUDE ${_file})
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endforeach()
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if(${var} AND ${var}_INCLUDE)
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_internal_message("${lib} found" _is_quiet)
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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" _is_quiet)
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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>=52.72.2 libavformat>=52.64.2
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libswscale>=0.11.0 libavutil>=50.15.1)
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else()
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message("pkg-config is required to check for libav")
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endif()
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if(LIBAV_FOUND)
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message("libav found, enabling AVI frame dumps")
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add_definitions(-DHAVE_LIBAV)
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else()
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message("libav not found, disabling AVI frame dumps")
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endif()
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endmacro()
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