package/civetweb: fix build with Lua 5.1

Fix the following build failure with Lua 5.1 raised since bump to
version 1.16 in commit fcc4ea595a07f47c86f4d52084dc1317473d2f40 and
https://github.com/civetweb/civetweb/commit/82ba5a04c9a1ca980d8dfe00c18e086017e8ab25:

/home/buildroot/autobuild/instance-1/output-1/host/opt/ext-toolchain/bin/../lib/gcc/sh4-buildroot-linux-gnu/13.2.0/../../../../sh4-buildroot-linux-gnu/bin/ld: out/src/third_party/lua_struct.o: in function `luaopen_struct':
lua_struct.c:(.text+0xce4): undefined reference to `luaL_newlib'

Fixes:
 - http://autobuild.buildroot.org/results/7459b504e52f473c5830c0f3c7bffd037f6e1770

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/civetweb/0001-resources-Makefile.in-lua-fix-build-with-Lua-5.1.patch

@@ -0,0 +1,44 @@
+From 3afcd237e509a6700c449056dcc5b9092af31e6a Mon Sep 17 00:00:00 2001
+From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
+Date: Mon, 6 Nov 2023 21:38:02 +0100
+Subject: [PATCH] resources/Makefile.in-lua: fix build with Lua 5.1
+
+Fix the following build failure with Lua 5.1 raised since version 1.16
+and
+https://github.com/civetweb/civetweb/commit/82ba5a04c9a1ca980d8dfe00c18e086017e8ab25:
+
+/home/buildroot/autobuild/instance-1/output-1/host/opt/ext-toolchain/bin/../lib/gcc/sh4-buildroot-linux-gnu/13.2.0/../../../../sh4-buildroot-linux-gnu/bin/ld: out/src/third_party/lua_struct.o: in function `luaopen_struct':
+lua_struct.c:(.text+0xce4): undefined reference to `luaL_newlib'
+
+Fixes:
+ - http://autobuild.buildroot.org/results/7459b504e52f473c5830c0f3c7bffd037f6e1770
+
+Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
+Upstream: https://github.com/civetweb/civetweb/pull/1211
+---
+ resources/Makefile.in-lua | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/resources/Makefile.in-lua b/resources/Makefile.in-lua
+index d3038f66..45f80181 100644
+--- a/resources/Makefile.in-lua
++++ b/resources/Makefile.in-lua
+@@ -150,6 +150,7 @@ CFLAGS += -DUSE_LUA_FILE_SYSTEM
+ #SOURCE_DIRS = $(LFS_DIR)
+ 
+ 
++ifneq ($(WITH_LUA_VERSION), 501)
+ LXX_DIR = src/third_party
+ LXX_SOURCE_FILES = lua_struct.c
+ LXX_SOURCES = $(addprefix $(LXX_DIR)/, $(LXX_SOURCE_FILES))
+@@ -159,6 +160,7 @@ OBJECTS += $(LXX_OBJECTS)
+ CFLAGS += $(LXX_CFLAGS)
+ CFLAGS += -DUSE_LUA_STRUCT
+ #SOURCE_DIRS = $(LXX_DIR)
++endif
+ 
+ 
+ ifneq ($(WITH_LUA_VERSION), 501)
+-- 
+2.42.0
+