diff -ur lua-5.1.orig/etc/lua.pc lua-5.1/etc/lua.pc
--- lua-5.1.orig/etc/lua.pc	2006-03-21 11:51:53.000000000 +0100
+++ lua-5.1/etc/lua.pc	2006-03-21 11:52:05.000000000 +0100
@@ -6,7 +6,7 @@
 V= 5.1
 
 # grep '^INSTALL_.*=' ../Makefile | sed 's/INSTALL_TOP/prefix/'
-prefix= /usr/local
+prefix= /usr
 INSTALL_BIN= ${prefix}/bin
 INSTALL_INC= ${prefix}/include
 INSTALL_LIB= ${prefix}/lib
diff -ur lua-5.1.orig/src/Makefile lua-5.1/src/Makefile
--- lua-5.1.orig/src/Makefile	2006-03-21 11:51:53.000000000 +0100
+++ lua-5.1/src/Makefile	2006-03-21 11:52:09.000000000 +0100
@@ -23,6 +23,7 @@
 PLATS= aix ansi bsd generic linux macosx mingw posix solaris
 
 LUA_A=	liblua.a
+LUA_SO=	liblua.so
 CORE_O=	lapi.o lcode.o ldebug.o ldo.o ldump.o lfunc.o lgc.o llex.o lmem.o \
 	lobject.o lopcodes.o lparser.o lstate.o lstring.o ltable.o ltm.o  \
 	lundump.o lvm.o lzio.o
@@ -36,7 +37,7 @@
 LUAC_O=	luac.o print.o
 
 ALL_O= $(CORE_O) $(LIB_O) $(LUA_O) $(LUAC_O)
-ALL_T= $(LUA_A) $(LUA_T) $(LUAC_T)
+ALL_T= $(LUA_A) $(LUA_SO) $(LUA_T) $(LUAC_T)
 ALL_A= $(LUA_A)
 
 default: $(PLAT)
@@ -51,6 +52,10 @@
 	$(AR) $@ $?
 	$(RANLIB) $@
 
+$(LUA_SO): $(CORE_O) $(LIB_O)
+	$(CC) -shared -ldl -Wl,-soname,liblua.so -o $@.5.1 $? -lm $(MYLDFLAGS)
+	ln -s $@.5.1 $@
+
 $(LUA_T): $(LUA_O) $(LUA_A)
 	$(CC) -o $@ $(MYLDFLAGS) $(LUA_O) $(LUA_A) $(LIBS)
 
diff -ur lua-5.1.orig/src/luaconf.h lua-5.1/src/luaconf.h
--- lua-5.1.orig/src/luaconf.h	2006-03-21 11:51:53.000000000 +0100
+++ lua-5.1/src/luaconf.h	2006-03-21 11:52:05.000000000 +0100
@@ -82,7 +82,7 @@
 	".\\?.dll;"  LUA_CDIR"?.dll;" LUA_CDIR"loadall.dll"
 
 #else
-#define LUA_ROOT	"/usr/local/"
+#define LUA_ROOT	"/usr/"
 #define LUA_LDIR	LUA_ROOT "share/lua/5.1/"
 #define LUA_CDIR	LUA_ROOT "lib/lua/5.1/"
 #define LUA_PATH_DEFAULT  \
