lua: include version number in installed files

This will allow installing Lua 5.1 and newer versions at the same time.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>

package/utils/lua/patches/001-include-version-number.patch

@@ -0,0 +1,48 @@
+From 96576b44a1b368bd6590eb0778ae45cc9ccede3f Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
+Date: Fri, 21 Jun 2019 14:08:38 +0200
+Subject: [PATCH] include version number
+
+Including it allows multiple lua versions to coexist.
+
+Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
+---
+
+diff --git a/Makefile b/Makefile
+--- a/Makefile
++++ b/Makefile
+@@ -41,10 +41,10 @@ RANLIB= ranlib
+ PLATS= aix ansi bsd freebsd generic linux macosx mingw posix solaris
+ 
+ # What to install.
+-TO_BIN= lua luac
++TO_BIN= lua$V luac$V
+ TO_INC= lua.h luaconf.h lualib.h lauxlib.h ../etc/lua.hpp
+ TO_LIB= liblua.a
+-TO_MAN= lua.1 luac.1
++TO_MAN= lua$V.1 luac$V.1
+ 
+ # Lua version and release.
+ V= 5.1
+diff --git a/doc/lua.1 b/doc/lua5.1.1
+rename from doc/lua.1
+rename to doc/lua5.1.1
+diff --git a/doc/luac.1 b/doc/luac5.1.1
+rename from doc/luac.1
+rename to doc/luac5.1.1
+diff --git a/src/Makefile b/src/Makefile
+--- a/src/Makefile
++++ b/src/Makefile
+@@ -29,10 +29,10 @@ CORE_O=	lapi.o lcode.o ldebug.o ldo.o ldump.o lfunc.o lgc.o llex.o lmem.o \
+ LIB_O=	lauxlib.o lbaselib.o ldblib.o liolib.o lmathlib.o loslib.o ltablib.o \
+ 	lstrlib.o loadlib.o linit.o
+ 
+-LUA_T=	lua
++LUA_T=	lua$V
+ LUA_O=	lua.o
+ 
+-LUAC_T=	luac
++LUAC_T=	luac$V
+ LUAC_O=	luac.o print.o
+ 
+ ALL_O= $(CORE_O) $(LIB_O) $(LUA_O) $(LUAC_O)