luajit: evil change to get luajit x86_32 cross compiling in a x86_64 host - needs sanitization

lua/luajit/luajit.conf

@@ -2,7 +2,7 @@
 # This copyright note is auto-generated by ./scripts/Create-CopyPatch.
 #
 # Filename: package/.../luajit/luajit.conf
-# Copyright (C) 2011 The OpenSDE Project
+# Copyright (C) 2011 - 2012 The OpenSDE Project
 #
 # More information can be found in the files COPYING and README.
 #
@@ -27,12 +27,22 @@ var_append patchfiles " " "$localpatches"
 # for binary distributions it is recommended to use the special target for an
 # amalgamated build which compiles the LuaJIT core as one huge C file and
 # allows GCC to generate faster and shorter code
-var_append makeopt ' ' "amalg"
+makeopt='amalg'
 
 # By default, modules are only searched under the prefix /usr/local. You can
 # add an extra prefix to the search paths by appending the PREFIX option.
 var_append makeopt ' ' "PREFIX=/$prefix"
-var_append makeinstopt ' ' "PREFIX=/$prefix"
+
+if ! atstage native; then
+	var_append makeopt ' ' 'TARGET_SYS=Linux'
+	# FIXME: don't hardcode HOST_CC this way
+	var_append makeopt ' ' "HOST_CC='$HOST_CC -m32'"
+	var_append makeopt ' ' "CROSS=$arch_target-"
+
+	var_append makeopt ' ' "DESTDIR=$root"
+fi
+
+makeinstopt="${makeopt/amalg/install}"
 
 # beta releases only install the LuaJIT executable under the versioned name
 hook_add postmake 5 "ln -sf luajit-$ver $root$bindir/luajit"