1 files changed, 53 insertions, 0 deletions
diff --git a/modules/FindUSB.cmake b/modules/FindUSB.cmake
new file mode 100644
index 00000000..b6c6949e
--- /dev/null
+++ b/modules/FindUSB.cmake
@@ -0,0 +1,53 @@
+# - Try to find the freetype library
+# Once done this defines
+#
+#  LIBUSB_FOUND - system has libusb
+#  LIBUSB_INCLUDE_DIR - the libusb include directory
+#  LIBUSB_LIBRARIES - Link these to use libusb
+
+if (LIBUSB_INCLUDE_DIR AND LIBUSB_LIBRARIES)
+
+  # in cache already
+  set(LIBUSB_FOUND TRUE)
+
+else (LIBUSB_INCLUDE_DIR AND LIBUSB_LIBRARIES)
+
+  # use pkg-config to get the directories and then use these values
+  # in the FIND_PATH() and FIND_LIBRARY() calls
+  INCLUDE(UsePkgConfig)
+
+  PKGCONFIG(libUSB _libUSBIncDir _libUSBLinkDir _libUSBLinkFlags _libUSBCflags)
+
+  FIND_PATH(LIBUSB_INCLUDE_DIR usb.h
+    /usr/include
+    /usr/local/include
+  )
+
+  FIND_LIBRARY(LIBUSB_LIBRARY NAMES usb 
+    PATHS
+    ${_libUSBLinkDir}
+    /usr/lib
+    /usr/local/lib
+  )
+
+  set( LIBUSB_LIBRARIES ${LIBUSB_LIBRARY} CACHE INTERNAL "The libraries for libusb" )
+
+  if (LIBUSB_INCLUDE_DIR AND LIBUSB_LIBRARIES)
+     set( LIBUSB_FOUND TRUE)
+  endif (LIBUSB_INCLUDE_DIR AND LIBUSB_LIBRARIES)
+
+  if (LIBUSB_FOUND)
+    if (NOT libUSB_FIND_QUIETLY)
+      message(STATUS "Found LIBUSB: ${LIBUSB_LIBRARIES}")
+    endif (NOT libUSB_FIND_QUIETLY)
+  else (LIBUSB_FOUND)
+    if (libUSB_FIND_REQUIRED)
+      message(FATAL_ERROR "Could NOT find LIBUSB")
+    endif (libUSB_FIND_REQUIRED)
+  endif (LIBUSB_FOUND)
+
+  MARK_AS_ADVANCED(
+     LIBUSB_INCLUDE_DIR LIBUSB_LIBRARIES 
+  )
+
+endif (LIBUSB_INCLUDE_DIR AND LIBUSB_LIBRARIES)