--- ruby-1.8.7-p334.orig/ext/extmk.rb	Thu Dec 24 01:01:58 2009

+++ ruby-1.8.7-p334/ext/extmk.rb	Fri Mar 25 10:45:30 2011

@@ -17,6 +17,15 @@

 $ignore = nil

 $message = nil

+#The $do_not_build variable explicitly prevents

+# extensions from being built.

+# This is an Oracle internal patch created to prevent

+# Ruby from automatically picking extensions

+# for libraries that people integrate into Userland.

+# This way, we can enable the extensions in our own

+# time.

+$do_not_build = %w(gdbm)

+

 $progname = $0

 alias $PROGRAM_NAME $0

 alias $0 $progname

@@ -440,6 +449,12 @@

 hdrdir = $hdrdir

 $hdrdir = $top_srcdir = relative_from(srcdir, $topdir = "..")

+

+$do_not_build.each do |d|

+ exts.delete(d)

+ puts "Extension #{d} has been disabled by the build\n"

+end

+

 exts.each do |d|

   extmake(d) or abort

 end