Allow libusb detection without pkgconfig.

diff --git a/cmake/FindUSB1.cmake b/cmake/FindUSB1.cmake
index 8cb9229..b90e297 100644 (file)
--- a/cmake/FindUSB1.cmake
+++ b/cmake/FindUSB1.cmake
@@ -23,6 +23,7 @@ else (LIBUSB_INCLUDE_DIR AND LIBUSB_LIBRARIES)
   pkg_check_modules(PC_LIBUSB libusb-1.0)
 
   FIND_PATH(LIBUSB_INCLUDE_DIR libusb.h
+    PATH_SUFFIXES libusb-1.0
     PATHS ${PC_LIBUSB_INCLUDEDIR} ${PC_LIBUSB_INCLUDE_DIRS})
 
   FIND_LIBRARY(LIBUSB_LIBRARIES NAMES usb-1.0