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--- a/configure.in
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+++ b/configure.in
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@@ -601,6 +601,10 @@ if test "$class_driver" = "no" && test "
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else
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AC_CHECK_LIB([usb-1.0], [libusb_init], [LIBS="$LIBS"], [AC_MSG_ERROR([cannot find libusb 1.0 support], 2)])
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AC_CHECK_HEADERS(libusb-1.0/libusb.h, ,[AC_MSG_ERROR([cannot find libusb-1.0-devel support], 11)])
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+ PKG_CHECK_MODULES(LIBUSB_1_0, [ libusb-1.0 >= 1.0.0 ], have_libusb_1_0=yes, have_libusb_1_0=no)
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+ if test "$have_libusb_1_0" = "yes"; then
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+ CFLAGS="$CFLAGS $LIBUSB_1_0_CFLAGS"
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+ fi
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fi
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fi
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