use AC_CHECK_TOOL for libusb-config

[libftdi] / configure.in

diff --git a/configure.in b/configure.in
index f00d70c..addf696 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -8,7 +8,7 @@ AM_PROG_LIBTOOL
 AC_PROG_CXX
 
 dnl check for libusb-config
-AC_PATH_PROG(HAVELIBUSB, libusb-config, $PATH)
+AC_CHECK_TOOL(HAVELIBUSB, libusb-config)
 
 if test ! -z "$HAVELIBUSB"; then
    LIBUSB_CFLAGS=`$HAVELIBUSB --cflags`