initial buildroot for linux 5.15

package/uhttpd/0001-Remove-Werror.patch

@@ -0,0 +1,33 @@
+From ac52380eeca27e1e2e7eb5fb9d39059dbe58b919 Mon Sep 17 00:00:00 2001
+From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
+Date: Wed, 7 Dec 2016 22:48:27 +0100
+Subject: [PATCH] Remove -Werror
+
+-Werror might cause build failures with newer versions of gcc or C
+ libraries, not tested by upstream, for example:
+
+ # warning "_BSD_SOURCE and _SVID_SOURCE are deprecated, use _DEFAULT_SOURCE"
+   ^
+cc1: all warnings being treated as errors
+
+Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
+---
+ CMakeLists.txt | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 7ae8ba4..825342f 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -5,7 +5,7 @@ PROJECT(uhttpd C)
+ INCLUDE (CheckFunctionExists)
+ 
+ SET(CMAKE_SHARED_LIBRARY_LINK_C_FLAGS "")
+-ADD_DEFINITIONS(-D_FILE_OFFSET_BITS=64 -Os -Wall -Werror -Wmissing-declarations --std=gnu99 -g3)
++ADD_DEFINITIONS(-D_FILE_OFFSET_BITS=64 -Os -Wall -Wmissing-declarations --std=gnu99 -g3)
+ 
+ OPTION(TLS_SUPPORT "TLS support" ON)
+ OPTION(LUA_SUPPORT "Lua support" ON)
+-- 
+2.7.4
+

package/uhttpd/0002-Fix-TCP_FASTOPEN-related-compile-error.patch

@@ -0,0 +1,30 @@
+From adbab70d3602d77736781be344cfdc5508cb0600 Mon Sep 17 00:00:00 2001
+From: Peter Seiderer <ps.report@gmx.net>
+Date: Mon, 3 Apr 2017 19:22:30 +0200
+Subject: [PATCH] Fix TCP_FASTOPEN related compile error.
+
+Signed-off-by: Peter Seiderer <ps.report@gmx.net>
+---
+ listen.c | 6 ++++++
+ 1 file changed, 6 insertions(+)
+
+diff --git a/listen.c b/listen.c
+index 2a54888..4dabe34 100644
+--- a/listen.c
++++ b/listen.c
+@@ -96,6 +96,12 @@ static void listener_cb(struct uloop_fd *fd, unsigned int events)
+ 		uh_block_listener(l);
+ }
+ 
++#ifdef linux
++#ifndef TCP_FASTOPEN
++#define TCP_FASTOPEN 23
++#endif
++#endif
++
+ void uh_setup_listeners(void)
+ {
+ 	struct listener *l;
+-- 
+2.11.0
+

package/uhttpd/Config.in

@@ -0,0 +1,18 @@
+config BR2_PACKAGE_UHTTPD
+	bool "uhttpd"
+	depends on !BR2_STATIC_LIBS # dlopen()
+	depends on BR2_TOOLCHAIN_HAS_SYNC_4 # json-c
+	depends on BR2_USE_MMU # fork()
+	select BR2_PACKAGE_LIBUBOX
+	select BR2_PACKAGE_JSON_C
+	help
+	  uHTTPd is a tiny single threaded HTTP server with TLS, CGI
+	  and Lua support. It is intended as a drop-in replacement for
+	  the Busybox HTTP daemon.
+
+	  https://wiki.openwrt.org/doc/howto/http.uhttpd
+
+comment "uhttpd needs a toolchain w/ dynamic library"
+	depends on BR2_TOOLCHAIN_HAS_SYNC_4
+	depends on BR2_USE_MMU
+	depends on BR2_STATIC_LIBS

package/uhttpd/uhttpd.hash

@@ -0,0 +1,3 @@
+# Locally calculated
+sha256  9ae10aaf6642b214e0a4ca47d6fd9693ac4b88d61e7d6446f0f0feb3a28ca510  uhttpd-15346de8d3ba422002496526ee24c62a3601ab8c-br1.tar.gz
+sha256  ce1803f83f776cc88661e303fede0e5ff52faf1d9f74508fadbecf7705b4c84d  uhttpd.h

package/uhttpd/uhttpd.mk

@@ -0,0 +1,35 @@
+################################################################################
+#
+# uhttpd
+#
+################################################################################
+
+UHTTPD_VERSION = 15346de8d3ba422002496526ee24c62a3601ab8c
+UHTTPD_SITE = https://git.openwrt.org/project/uhttpd.git
+UHTTPD_SITE_METHOD = git
+UHTTPD_LICENSE = ISC
+UHTTPD_LICENSE_FILES = uhttpd.h
+UHTTPD_DEPENDENCIES = libubox json-c
+
+ifeq ($(BR2_PACKAGE_LUA_5_1),y)
+UHTTPD_DEPENDENCIES += lua
+UHTTPD_CONF_OPTS += -DLUA_SUPPORT=ON
+else
+UHTTPD_CONF_OPTS += -DLUA_SUPPORT=OFF
+endif
+
+ifeq ($(BR2_PACKAGE_USTREAM_SSL),y)
+UHTTPD_DEPENDENCIES += ustream-ssl
+UHTTPD_CONF_OPTS += -DTLS_SUPPORT=ON
+else
+UHTTPD_CONF_OPTS += -DTLS_SUPPORT=OFF
+endif
+
+ifeq ($(BR2_PACKAGE_UBUS),y)
+UHTTPD_DEPENDENCIES += ubus
+UHTTPD_CONF_OPTS += -DUBUS_SUPPORT=ON
+else
+UHTTPD_CONF_OPTS += -DUBUS_SUPPORT=OFF
+endif
+
+$(eval $(cmake-package))