libegt: Add missing dependency on libudev

Also fix underlinking errors when using gold linker
Depend on xxd-native, example need xxd during build

Signed-off-by: Khem Raj <raj.khem@gmail.com>

recipes-graphics/libegt/libegt/0001-link-libudev-for-udev_unref-and-udev_new.patch

@@ -0,0 +1,37 @@
+From 8ffc0ab37d9bf7cc46fa9fa27cc1eb7f88f554b1 Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Wed, 4 Dec 2019 23:38:30 -0800
+Subject: [PATCH] link libudev for udev_unref and udev_new
+
+These APIs are used in inputlibinput.cpp which is only
+compile when HAVE_LIBINPUT is enabled
+
+This shows up when linking with gold linker
+
+../../src/.libs/libegt.so: error: undefined reference to 'udev_new'
+../../src/.libs/libegt.so: error: undefined reference to 'udev_unref'
+collect2: error: ld returned 1 exit status
+Makefile:558: recipe for target 'camera' failed
+make[4]: *** [camera] Error 1
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ configure.ac | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/configure.ac b/configure.ac
+index c38a1d0f..e398dedd 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -251,7 +251,7 @@ AS_IF([test "x$with_libinput" != "xno"],[
+    if test "x${have_libinput}" = xyes; then
+       AC_DEFINE(HAVE_LIBINPUT, 1, [Have libinput support])
+       LIBEGT_EXTRA_CXXFLAGS="${LIBINPUT_CFLAGS} ${LIBEGT_EXTRA_CXXFLAGS}"
+-      LIBEGT_EXTRA_LDFLAGS="${LIBINPUT_LIBS} ${LIBEGT_EXTRA_LDFLAGS}"
++      LIBEGT_EXTRA_LDFLAGS="${LIBINPUT_LIBS} -ludev ${LIBEGT_EXTRA_LDFLAGS}"
+    fi
+ ])
+ AM_CONDITIONAL([HAVE_LIBINPUT], [test "x${have_libinput}" = xyes])
+-- 
+2.24.0
+

recipes-graphics/libegt/libegt_0.8.bb

@@ -21,11 +21,15 @@ DEPENDS = "\
     gstreamer1.0-plugins-base \
     libxkbcommon \
     libinput \
+    udev \
+    xxd-native \
 "
 
 DEPENDS_append_at91sam9 = " tslib"
 
-SRC_URI = "gitsm://github.com/linux4sam/egt.git;protocol=https"
+SRC_URI = "gitsm://github.com/linux4sam/egt.git;protocol=https \
+           file://0001-link-libudev-for-udev_unref-and-udev_new.patch \
+"
 
 SRCREV = "be50eef497a0900cf90b60a2da4aad30ba0e3663"