libftdi: add a --without-examples configure flag

[libftdi] / configure.in

diff --git a/configure.in b/configure.in
index f00d70c..f3dad4d 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`
@@ -47,6 +47,10 @@ AC_ARG_WITH(async-mode,
 ])
 AC_SUBST(ENABLE_ASYNC_MODE)
 
+AC_ARG_WITH(examples,
+  AS_HELP_STRING([--without-examples], [disable example programs]))
+AM_CONDITIONAL(BUILD_EXAMPLES, [test "x$with_examples" != "xno"])
+
 LIBFTDI_MODULES=
 LIBFTDI_MODULES_PKGCONFIG=