diff -ru LuaJIT-2.0.0-beta10.orig/etc/luajit.pc LuaJIT-2.0.0-beta10/etc/luajit.pc
--- LuaJIT-2.0.0-beta10.orig/etc/luajit.pc	2012-05-12 22:55:18.768282860 -0300
+++ LuaJIT-2.0.0-beta10/etc/luajit.pc	2012-05-12 22:55:48.412282447 -0300
@@ -3,13 +3,13 @@
 minver=0
 relver=0
 version=${majver}.${minver}.${relver}-beta10
-abiver=5.1
+abiver=jit-5.1
 
-prefix=/usr/local
+prefix=/usr
 exec_prefix=${prefix}
-libdir=${exec_prefix}/lib
+libdir=${exec_prefix}/@LIBDIR@
 libname=luajit-${abiver}
-includedir=${prefix}/include/luajit-${majver}.${minver}
+includedir=${prefix}/include/luajit-@SHORTVER@
 
 INSTALL_LMOD=${prefix}/share/lua/${abiver}
 INSTALL_CMOD=${prefix}/lib/lua/${abiver}
diff -ru LuaJIT-2.0.0-beta10.orig/Makefile LuaJIT-2.0.0-beta10/Makefile
--- LuaJIT-2.0.0-beta10.orig/Makefile	2012-05-12 22:55:18.764282863 -0300
+++ LuaJIT-2.0.0-beta10/Makefile	2012-05-12 22:58:17.928279877 -0300
@@ -18,37 +18,38 @@
 RELVER=  0
 PREREL=  -beta10
 VERSION= $(MAJVER).$(MINVER).$(RELVER)$(PREREL)
-ABIVER=  5.1
-NODOTABIVER=  51
+SHORTVER= $(MAJVER).$(MINVER)
+ABIVER=  jit-$(SHORTVER)
+NODOTSHORTVER=  $(MAJVER)$(MINVER)
 
 ##############################################################################
 #
 # Change the installation path as needed. This automatically adjusts
 # the paths in src/luaconf.h, too. Note: PREFIX must be an absolute path!
 #
-export PREFIX= /usr/local
+export PREFIX= /usr
 ##############################################################################
 
 DPREFIX= $(DESTDIR)$(PREFIX)
 INSTALL_BIN=   $(DPREFIX)/bin
-INSTALL_LIB=   $(DPREFIX)/lib
+INSTALL_LIB=   $(DPREFIX)/$(LIBDIR)
 INSTALL_SHARE= $(DPREFIX)/share
-INSTALL_INC=   $(DPREFIX)/include/luajit-$(MAJVER).$(MINVER)
+INSTALL_INC=   $(DPREFIX)/include/luajit-$(SHORTVER)
 
-INSTALL_JITLIB= $(INSTALL_SHARE)/luajit-$(VERSION)/jit
+INSTALL_JITLIB= $(INSTALL_SHARE)/luajit-$(SHORTVER)/jit
 INSTALL_LMOD= $(INSTALL_SHARE)/lua/$(ABIVER)
 INSTALL_CMOD= $(INSTALL_LIB)/lua/$(ABIVER)
 INSTALL_MAN= $(INSTALL_SHARE)/man/man1
 INSTALL_PKGCONFIG= $(INSTALL_LIB)/pkgconfig
 
-INSTALL_TNAME= luajit-$(VERSION)
+INSTALL_TNAME= luajit-$(SHORTVER)
 INSTALL_TSYMNAME= luajit
-INSTALL_ANAME= libluajit-$(ABIVER).a
-INSTALL_SONAME= libluajit-$(ABIVER).so.$(MAJVER).$(MINVER).$(RELVER)
-INSTALL_SOSHORT= libluajit-$(ABIVER).so
-INSTALL_DYLIBNAME= libluajit-$(NODOTABIVER).$(MAJVER).$(MINVER).$(RELVER).dylib
-INSTALL_DYLIBSHORT1= libluajit-$(NODOTABIVER).dylib
-INSTALL_DYLIBSHORT2= libluajit-$(NODOTABIVER).$(MAJVER).dylib
+INSTALL_ANAME= libluajit-$(SHORTVER).a
+INSTALL_SONAME= libluajit-$(SHORTVER).so.$(RELVER)
+INSTALL_SOSHORT= libluajit-$(SHORTVER).so
+INSTALL_DYLIBNAME= libluajit-$(NODOTSHORTVER).$(MAJVER).$(MINVER).$(RELVER).dylib
+INSTALL_DYLIBSHORT1= libluajit-$(NODOTSHORTVER).dylib
+INSTALL_DYLIBSHORT2= libluajit-$(NODOTSHORTVER).$(MAJVER).dylib
 INSTALL_PCNAME= luajit.pc
 
 INSTALL_STATIC= $(INSTALL_LIB)/$(INSTALL_ANAME)
@@ -57,7 +58,7 @@
 INSTALL_SHORT2= $(INSTALL_LIB)/$(INSTALL_SOSHORT)
 INSTALL_T= $(INSTALL_BIN)/$(INSTALL_TNAME)
 INSTALL_TSYM= $(INSTALL_BIN)/$(INSTALL_TSYMNAME)
-INSTALL_PC= $(INSTALL_PKGCONFIG)/$(INSTALL_PCNAME)
+INSTALL_PC= $(INSTALL_PKGCONFIG)/luajit-$(SHORTVER).pc
 
 INSTALL_DIRS= $(INSTALL_BIN) $(INSTALL_LIB) $(INSTALL_INC) $(INSTALL_MAN) \
   $(INSTALL_PKGCONFIG) $(INSTALL_JITLIB) $(INSTALL_LMOD) $(INSTALL_CMOD)
@@ -68,7 +69,7 @@
 INSTALL_X= install -m 0755
 INSTALL_F= install -m 0644
 LDCONFIG= ldconfig -n
-SED_PC= sed -e "s|^prefix=.*|prefix=$(PREFIX)|"
+SED_PC= sed -e "s|@SHORTVER@|$(SHORTVER)|" -e "s|@LIBDIR@|$(LIBDIR)|"
 
 FILE_T= luajit
 FILE_A= libluajit.a
@@ -108,7 +109,7 @@
 	  $(LDCONFIG) $(INSTALL_LIB) && \
 	  $(SYMLINK) $(INSTALL_SONAME) $(INSTALL_SHORT1) && \
 	  $(SYMLINK) $(INSTALL_SONAME) $(INSTALL_SHORT2) || :
-	cd etc && $(INSTALL_F) $(FILE_MAN) $(INSTALL_MAN)
+	cd etc && $(INSTALL_F) $(FILE_MAN) $(INSTALL_MAN)/luajit-$(SHORTVER).1
 	cd etc && $(SED_PC) $(FILE_PC) > $(FILE_PC).tmp && \
 	  $(INSTALL_F) $(FILE_PC).tmp $(INSTALL_PC) && \
 	  $(RM) $(FILE_PC).tmp
diff -ru LuaJIT-2.0.0-beta10.orig/src/luaconf.h LuaJIT-2.0.0-beta10/src/luaconf.h
--- LuaJIT-2.0.0-beta10.orig/src/luaconf.h	2012-05-12 22:55:18.776282852 -0300
+++ LuaJIT-2.0.0-beta10/src/luaconf.h	2012-05-12 23:00:29.024277594 -0300
@@ -22,16 +22,16 @@
 #define LUA_CPATH_DEFAULT \
   ".\\?.dll;" LUA_CDIR"?.dll;" LUA_CDIR"loadall.dll"
 #else
-#define LUA_ROOT	"/usr/local/"
-#define LUA_LDIR	LUA_ROOT "share/lua/5.1/"
-#define LUA_CDIR	LUA_ROOT "lib/lua/5.1/"
+#define LUA_ROOT	"/usr/"
+#define LUA_LDIR	LUA_ROOT "share/lua/jit-2.0/"
+#define LUA_CDIR	LUA_ROOT "lib/lua/jit-2.0/"
 #ifdef LUA_XROOT
-#define LUA_JDIR	LUA_XROOT "share/luajit-2.0.0-beta10/"
+#define LUA_JDIR	LUA_XROOT "share/luajit-2.0/"
 #define LUA_XPATH \
-  ";" LUA_XROOT "share/lua/5.1/?.lua;" LUA_XROOT "share/lua/5.1/?/init.lua"
-#define LUA_XCPATH	LUA_XROOT "lib/lua/5.1/?.so;"
+  ";" LUA_XROOT "share/lua/5.1/?.lua;" LUA_XROOT "share/lua/jit-2.0/?/init.lua"
+#define LUA_XCPATH	LUA_XROOT "lib/lua/jit-2.0/?.so;"
 #else
-#define LUA_JDIR	LUA_ROOT "share/luajit-2.0.0-beta10/"
+#define LUA_JDIR	LUA_ROOT "share/luajit-2.0/"
 #define LUA_XPATH
 #define LUA_XCPATH
 #endif
diff -ru LuaJIT-2.0.0-beta10.orig/src/Makefile LuaJIT-2.0.0-beta10/src/Makefile
--- LuaJIT-2.0.0-beta10.orig/src/Makefile	2012-05-12 22:55:18.772282855 -0300
+++ LuaJIT-2.0.0-beta10/src/Makefile	2012-05-12 23:01:37.340276596 -0300
@@ -13,8 +13,8 @@
 MAJVER=  2
 MINVER=  0
 RELVER=  0
-ABIVER=  5.1
-NODOTABIVER= 51
+SHORTVER= $(MAJVER).$(MINVER)
+NODOTSHORTVER=  $(MAJVER)$(MINVER)
 
 ##############################################################################
 #############################  COMPILER OPTIONS  #############################
@@ -204,10 +204,9 @@
 TARGET_AR= $(CROSS)ar rcus
 TARGET_STRIP= $(CROSS)strip
 
-TARGET_SONAME= libluajit-$(ABIVER).so.$(MAJVER)
-TARGET_DYLIBNAME= libluajit-$(NODOTABIVER).$(MAJVER).dylib
-TARGET_DYLIBPATH= $(or $(PREFIX),/usr/local)/lib/$(TARGET_DYLIBNAME)
-TARGET_DLLNAME= lua$(NODOTABIVER).dll
+TARGET_SONAME= libluajit-$(SHORTVER).so.$(RELVER)
+TARGET_DYLIBNAME= libluajit-$(NODOTSHORTVER).$(MAJVER).$(MINVER).$(RELVER).dylib
+TARGET_DLLNAME= lua$(NODOTSHORTVER).dll
 TARGET_XSHLDFLAGS= -shared -fPIC -Wl,-soname,$(TARGET_SONAME)
 TARGET_DYNXLDOPTS=
 
@@ -476,10 +475,8 @@
 endif
 endif
 
-Q= @
-E= @echo
-#Q=
-#E= @:
+Q=
+E= @:
 
 ##############################################################################
 # Make targets.