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-rw-r--r--configure.ac2
1 files changed, 2 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index fb01e1b..aed8bce 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1142,6 +1142,8 @@ PKG_CHECK_MODULES([LIBUSB1], [libusb-1.0], [
[AC_MSG_WARN([libusb-1.x older than 1.0.9 detected, consider updating])])
LIBUSB1_CFLAGS=`echo $LIBUSB1_CFLAGS | sed 's/-I/-isystem /'`
AC_MSG_NOTICE([libusb-1.0 header bug workaround: LIBUSB1_CFLAGS changed to "$LIBUSB1_CFLAGS"])
+ PKG_CHECK_EXISTS([libusb-1.0 >= 1.0.16],
+ [AC_DEFINE([HAVE_LIBUSB_GET_PORT_NUMBERS], [1], [Define if your libusb has libusb_get_port_numbers()])])
], [
use_libusb1=no
AC_MSG_WARN([libusb-1.x not found, trying legacy libusb-0.1 as a fallback; consider installing libusb-1.x instead])