From d4a78c74ac6fc70a29e66ae2f5cc84ff945b87fd Mon Sep 17 00:00:00 2001
From: Dusan Klinec <dusan.klinec@gmail.com>
Date: Sun, 7 Apr 2019 18:52:16 +0200
Subject: [PATCH] build: libusb static compilation fix

---
 cmake/FindLibUSB.cmake | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/cmake/FindLibUSB.cmake b/cmake/FindLibUSB.cmake
index 7e3bf156e..c7e09d4c0 100644
--- a/cmake/FindLibUSB.cmake
+++ b/cmake/FindLibUSB.cmake
@@ -99,9 +99,18 @@ if ( LibUSB_FOUND )
     check_library_exists ( "${LibUSB_LIBRARIES}" libusb_get_device_list "" LibUSB_VERSION_1.0 )
     check_library_exists ( "${LibUSB_LIBRARIES}" libusb_get_port_numbers "" LibUSB_VERSION_1.0.16 )
 
+    if((STATIC AND UNIX AND NOT APPLE) OR (DEPENDS AND CMAKE_SYSTEM_NAME STREQUAL "Linux"))
+        find_library(LIBUDEV_LIBRARY udev)
+        if(LIBUDEV_LIBRARY)
+            set(LibUSB_LIBRARIES "${LibUSB_LIBRARIES};${LIBUDEV_LIBRARY}")
+        else()
+            message(WARNING "libudev library not found, binaries may fail to link.")
+        endif()
+    endif()
+
     # Library 1.0.16+ compilation test.
     # The check_library_exists does not work well on Apple with shared libs.
-    if (APPLE OR LibUSB_VERSION_1.0.16)
+    if (APPLE OR LibUSB_VERSION_1.0.16 OR STATIC)
         if (APPLE)
             if(DEPENDS)
                 list(APPEND TEST_COMPILE_EXTRA_LIBRARIES "-framework Foundation -framework IOKit")