root@gk-kubuntu-dev:~/dav/Nevada# find / -name libusb*
/lib/firmware/carl9170fw/extra/libusb-zeropacket.diff
/lib/x86_64-linux-gnu/libusb-0.1.so.4.4.4
/lib/x86_64-linux-gnu/libusb-0.1.so.4
/lib/x86_64-linux-gnu/libusb-1.0.so.0.1.0
/lib/x86_64-linux-gnu/libusb-1.0.so.0
/var/cache/apt/archives/libusb-1.0-0-dbg_2%3a1.0.16-3_amd64.deb
/var/cache/apt/archives/libusb-1.0-0-dev_2%3a1.0.16-3_amd64.deb
/var/cache/apt/archives/libusb-1.0-doc_2%3a1.0.16-3_all.deb
/var/lib/dpkg/info/libusb-0.1-4:amd64.shlibs
/var/lib/dpkg/info/libusb-1.0-0-dbg:amd64.list
/var/lib/dpkg/info/libusb-1.0-0:amd64.md5sums
/var/lib/dpkg/info/libusb-0.1-4:amd64.symbols
/var/lib/dpkg/info/libusb-1.0-0:amd64.postrm
/var/lib/dpkg/info/libusbmuxd2.symbols
/var/lib/dpkg/info/libusb-0.1-4:amd64.postrm
/var/lib/dpkg/info/libusb-1.0-0:amd64.postinst
/var/lib/dpkg/info/libusbmuxd2.postinst
/var/lib/dpkg/info/libusb-1.0-0:amd64.shlibs
/var/lib/dpkg/info/libusb-0.1-4:amd64.postinst
/var/lib/dpkg/info/libusbmuxd2.md5sums
/var/lib/dpkg/info/libusb-1.0-doc.list
/var/lib/dpkg/info/libusbmuxd2.postrm
/var/lib/dpkg/info/libusb-1.0-0-dev:amd64.list
/var/lib/dpkg/info/libusb-1.0-doc.md5sums
/var/lib/dpkg/info/libusb-1.0-0-dev:amd64.md5sums
/var/lib/dpkg/info/libusb-1.0-0:amd64.list
/var/lib/dpkg/info/libusb-1.0-0:amd64.symbols
/var/lib/dpkg/info/libusb-1.0-0-dbg:amd64.md5sums
/var/lib/dpkg/info/libusbmuxd2.shlibs
/var/lib/dpkg/info/libusb-0.1-4:amd64.list
/var/lib/dpkg/info/libusbmuxd2.list
/var/lib/dpkg/info/libusb-0.1-4:amd64.md5sums
/usr/share/doc-base/libusb-1.0-doc
/usr/share/doc/libusb-1.0-0
/usr/share/doc/libusb-1.0-0-dev
/usr/share/doc/libusb-0.1-4
/usr/share/doc/libusb-1.0-doc
/usr/share/doc/libusb-1.0-doc/html/libusb_8h_source.html
/usr/share/doc/libusb-1.0-0-dbg
/usr/share/doc/libusbmuxd2
/usr/lib/libusbmuxd.so.1.0.8
/usr/lib/libusbmuxd.so.2
/usr/lib/x86_64-linux-gnu/libusb-1.0.so
/usr/lib/x86_64-linux-gnu/libusb-1.0.a
/usr/lib/x86_64-linux-gnu/pkgconfig/libusb-1.0.pc
/usr/lib/debug/lib/x86_64-linux-gnu/libusb-1.0.so.0.1.0
/usr/include/libusb-1.0
/usr/include/libusb-1.0/libusb.h

##</code><code>##

   9 use Inline (
  10         C => "DATA",
  11         ($ENV{LIBUSB_LIBDIR}
  12             ? ( LIBS => "-L\"$ENV{LIBUSB_LIBDIR}\" " .
  13                         ($^O eq 'MSWin32' ? ' -llibusb -L\"$ENV{WINDDK}\\lib\\crt\\i386\" -lmsvcrt ' : '-lusb') )
  14             : ( LIBS => '-lusb', )
  15         ),
  16         ($ENV{LIBUSB_INCDIR} ? ( INC => "-I\"$ENV{LIBUSB_INCDIR}\"" ) : () ),
  17         NAME => 'Device::USB',
  18         VERSION => '0.35',
  19         CCFLAGS => "$Config{ccflags} $ENV{CFLAGS} $ENV{CPPFLAGS}",
  20         LDDLFLAGS => "$Config{lddlflags} $ENV{LDFLAGS}",
  21    );
  22 
  23 Inline->init();