1 files changed, 45 insertions, 0 deletions

diff --git a/cmake/modules/FindLibUSB.cmake b/cmake/modules/FindLibUSB.cmake
new file mode 100644
index 0000000..e976bf4
--- /dev/null
+++ b/cmake/modules/FindLibUSB.cmake
@@ -0,0 +1,45 @@
+#.rst:
+# FindLibUSB
+# ----------
+# Finds the USB library
+#
+# This will will define the following variables::
+#
+# LIBUSB_FOUND - system has LibUSB
+# LIBUSB_INCLUDE_DIRS - the USB include directory
+# LIBUSB_LIBRARIES - the USB libraries
+#
+# and the following imported targets::
+#
+#   LibUSB::LibUSB   - The USB library
+
+if(PKG_CONFIG_FOUND)
+  pkg_check_modules(PC_LIBUSB libusb QUIET)
+endif()
+
+find_path(LIBUSB_INCLUDE_DIR usb.h
+                             PATHS ${PC_LIBUSB_INCLUDEDIR})
+find_library(LIBUSB_LIBRARY NAMES usb
+                            PATHS ${PC_LIBUSB_INCLUDEDIR})
+set(LIBUSB_VERSION ${PC_LIBUSB_VERSION})
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(LIBUSB
+                                  REQUIRED_VARS LIBUSB_LIBRARY LIBUSB_INCLUDE_DIR
+                                  VERSION_VAR LIBUSB_VERSION)
+
+if(LIBUSB_FOUND)
+  set(LIBUSB_INCLUDE_DIRS ${LIBUSB_INCLUDE_DIR})
+  set(LIBUSB_LIBRARIES ${LIBUSB_LIBRARY})
+  set(LIBUSB_DEFINITIONS -DUSE_LIBUSB=1)
+
+  if(NOT TARGET LibUSB::LibUSB)
+    add_library(LibUSB::LibUSB UNKNOWN IMPORTED)
+    set_target_properties(LibUSB::LibUSB PROPERTIES
+                                         IMPORTED_LOCATION "${LIBUSB_LIBRARY}"
+                                         INTERFACE_INCLUDE_DIRECTORIES "${LIBUSB_INCLUDE_DIR}"
+                                         INTERFACE_COMPILE_DEFINITIONS USE_LIBUSB=1)
+  endif()
+endif()
+
+mark_as_advanced(USB_INCLUDE_DIR USB_LIBRARY)