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