libusb: require pkg-config support

[openocd] / src / jtag / drivers / Makefile.am

diff --git a/src/jtag/drivers/Makefile.am b/src/jtag/drivers/Makefile.am
index e3ed2199a494c762606e7dc6657f7ddcceff187a..e8f1efbc06db81ace77c53261851b365b48ce3a2 100644 (file)
--- a/src/jtag/drivers/Makefile.am
+++ b/src/jtag/drivers/Makefile.am
@@ -6,6 +6,8 @@ libocdjtagdrivers_la_LIBADD =
 libocdjtagdrivers_la_SOURCES = \
        $(DRIVERFILES)
 
+libocdjtagdrivers_la_CPPFLAGS = $(AM_CPPFLAGS) $(LIBUSB1_CFLAGS) $(LIBUSB0_CFLAGS)
+
 ULINK_FIRMWARE = $(srcdir)/OpenULINK
 
 EXTRA_DIST = $(ULINK_FIRMWARE)