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###########################################
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# #
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# Improvements and feedback are welcome #
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# #
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# This file is released under GPL >= 3 #
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# #
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###########################################
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##### check for libusb
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if( WITH_LIBUSB )
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pkg_search_module( LIBUSB libusb libusb-2.0 )
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if( NOT LIBUSB_FOUND )
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tde_message_fatal( "libusb support has been requested, but was not found on your system" )
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endif( NOT LIBUSB_FOUND )
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endif( WITH_LIBUSB )
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##### check for pthread
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find_package ( Threads REQUIRED )
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##### check for zlib
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find_package ( ZLIB REQUIRED )
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##### check for math lib
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check_library_exists( m sincos "" LIBM )
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if( LIBM )
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set( LIBM m )
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endif( LIBM )
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##### check for v4l
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if( WITH_V4L )
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check_include_file( "linux/videodev2.h" HAVE_LINUX_VIDEODEV2_H )
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if( NOT HAVE_LINUX_VIDEODEV2_H )
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check_include_file( "linux/videodev.h" HAVE_LINUX_VIDEODEV_H )
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if( NOT HAVE_LINUX_VIDEODEV_H )
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tde_message_fatal( "video4linux support is requested, but videodev2.h or videodev.h was not found on your system" )
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endif( )
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endif( )
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check_include_file( "sys/io.h" HAVE_SYS_IO_H )
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if( HAVE_SYS_IO_H )
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check_symbol_exists( "ioperm" "sys/io.h" HAVE_IOPERM )
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endif( )
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endif( )
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##### check platform OS
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message( STATUS "Cheking platform - ${CMAKE_SYSTEM_NAME}" )
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if( ${CMAKE_SYSTEM_NAME} MATCHES "Linux" )
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set( OS_Linux true )
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set( LIB_FLI fli_linux-static )
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elseif( ${CMAKE_SYSTEM_NAME} MATCHES "OpenBSD|FreeBSD|DragonFly|NetBSD" )
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set( OS_BSD true )
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set( LIB_FLI fli_bsd-static )
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else( )
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set( OS_UNKNOWN true )
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set( LIB_FLI fli_null-static )
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endif( )
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