initial buildroot for linux 5.15

package/libglfw/Config.in

@@ -0,0 +1,17 @@
+config BR2_PACKAGE_LIBGLFW
+	bool "libglfw"
+	depends on BR2_PACKAGE_XORG7
+	depends on BR2_PACKAGE_HAS_LIBGL
+	select BR2_PACKAGE_XLIB_LIBXCURSOR
+	select BR2_PACKAGE_XLIB_LIBXEXT
+	select BR2_PACKAGE_XLIB_LIBXI
+	select BR2_PACKAGE_XLIB_LIBXINERAMA
+	select BR2_PACKAGE_XLIB_LIBXRANDR
+	help
+	  GLFW is an Open Source, multi-platform library for creating
+	  windows with OpenGL contexts and receiving input and events.
+
+	  http://www.glfw.org
+
+comment "libglfw depends on X.org and needs an OpenGL backend"
+	depends on !BR2_PACKAGE_XORG7 || !BR2_PACKAGE_HAS_LIBGL

package/libglfw/libglfw.hash

@@ -0,0 +1,3 @@
+# Locally computed
+sha256  98768e12e615fbe9f3386f5bbfeb91b5a3b45a8c4c77159cef06b1f6ff749537  libglfw-3.3.2.tar.gz
+sha256  149704059b5d0bf551637e50042dd4de9c2cae921021f6636298911e3a5f9462  LICENSE.md

package/libglfw/libglfw.mk

@@ -0,0 +1,24 @@
+################################################################################
+#
+# libglfw
+#
+################################################################################
+
+LIBGLFW_VERSION = 3.3.2
+LIBGLFW_SITE = $(call github,glfw,glfw,$(LIBGLFW_VERSION))
+LIBGLFW_INSTALL_STAGING = YES
+LIBGLFW_DEPENDENCIES = libgl xlib_libXcursor xlib_libXext \
+	xlib_libXi xlib_libXinerama xlib_libXrandr
+LIBGLFW_LICENSE = Zlib
+LIBGLFW_LICENSE_FILES = LICENSE.md
+
+LIBGLFW_CONF_OPTS += \
+	-DGLFW_BUILD_EXAMPLES=OFF \
+	-DGLFW_BUILD_TESTS=OFF \
+	-DGLFW_BUILD_DOCS=OFF
+
+ifeq ($(BR2_PACKAGE_XLIB_LIBXXF86VM),y)
+LIBGLFW_DEPENDENCIES += xlib_libXxf86vm
+endif
+
+$(eval $(cmake-package))