diff -ruN sbcl.orig/Makefile sbcl/Makefile
--- sbcl.orig/Makefile	2008-04-29 21:55:54.000000000 -0400
+++ sbcl/Makefile	2008-04-12 23:24:12.827020000 -0400
@@ -2,7 +2,7 @@
 # Date created:				2002-11-26
 # Whom:					des
 #
-# $FreeBSD: ports/lang/sbcl/Makefile,v 1.57 2008/04/30 01:55:54 edwin Exp $
+# $FreeBSD: ports/lang/sbcl/Makefile,v 1.55 2008/03/19 12:47:18 lippe Exp $
 #
 
 PORTNAME=	sbcl
@@ -48,7 +48,10 @@
 BOOT_ARCH_OS_LIST=	x86-freebsd x86-64-freebsd
 .elif ${ARCH} == "i386"
 BOOT_ARCH_OS_LIST=	x86-freebsd
-LISP_EXTRA_ARG=	--dynamic-space-size 512
+#users may set the following variable (the MB of memory to be reserved for the bootstrap
+#on startup) to an appropriate value, which may be useful on low-memory systems
+MEMORY?=	512
+LISP_EXTRA_ARG=	--dynamic-space-size ${MEMORY}
 .elif ${ARCH} == "amd64"
 BOOT_ARCH_OS_LIST=	x86-64-freebsd
 LISP_EXTRA_ARG=
diff -ruN sbcl.orig/distinfo sbcl/distinfo
--- sbcl.orig/distinfo	2008-04-29 21:55:54.000000000 -0400
+++ sbcl/distinfo	2008-04-12 23:30:15.847815000 -0400
@@ -4,3 +4,6 @@
 MD5 (sbcl-1.0.6-x86-freebsd-binary.tar.bz2) = 5bab7372003ae385d436bec88443c897
 SHA256 (sbcl-1.0.6-x86-freebsd-binary.tar.bz2) = 0e6a0befbbd5da42a02a8d280836814433f544d57b2b425291b03afa37f1f6f5
 SIZE (sbcl-1.0.6-x86-freebsd-binary.tar.bz2) = 7860437
+MD5 (sbcl-1.0.6-x86-64-freebsd-binary.tar.bz2) = 1b4aa3a600a1ce2d00dfebd73a5f00ed
+SHA256 (sbcl-1.0.6-x86-64-freebsd-binary.tar.bz2) = 154277a45531c60294c03d93b2f6509bd622f863f10c65cd079ee3f007a92de0
+SIZE (sbcl-1.0.6-x86-64-freebsd-binary.tar.bz2) = 7634730
diff -ruN sbcl.orig/files/customize-target-features.lisp sbcl/files/customize-target-features.lisp
--- sbcl.orig/files/customize-target-features.lisp	2006-12-01 19:20:41.000000000 -0500
+++ sbcl/files/customize-target-features.lisp	2008-03-21 16:34:24.807778000 -0400
@@ -4,4 +4,5 @@
          (disable (x)
            (setf features (remove x features))))
     (enable :sb-thread)
+    (enable :sb-lutex)
     features))
diff -ruN sbcl.orig/pkg-plist sbcl/pkg-plist
--- sbcl.orig/pkg-plist	2008-04-23 16:37:58.000000000 -0400
+++ sbcl/pkg-plist	2008-03-21 18:33:21.156494000 -0400
@@ -84,20 +84,20 @@
 lib/sbcl/sb-cltl2/tests.lisp
 lib/sbcl/sb-cover/.cvsignore
 lib/sbcl/sb-cover/Makefile
+lib/sbcl/sb-cover/cover.fasl
 lib/sbcl/sb-cover/cover.lisp
 lib/sbcl/sb-cover/sb-cover.asd
-lib/sbcl/sb-cover/sb-cover.texinfo
-lib/sbcl/sb-cover/test-data-1.lisp
-lib/sbcl/sb-cover/test-data-2.lisp
-lib/sbcl/sb-cover/tests.lisp
-lib/sbcl/sb-cover/cover.fasl
-lib/sbcl/sb-cover/tests.fasl
 lib/sbcl/sb-cover/sb-cover.fasl
+lib/sbcl/sb-cover/sb-cover.texinfo
 lib/sbcl/sb-cover/test-data-1.fasl
+lib/sbcl/sb-cover/test-data-1.lisp
 lib/sbcl/sb-cover/test-data-2.fasl
+lib/sbcl/sb-cover/test-data-2.lisp
 lib/sbcl/sb-cover/test-data-3.fasl
 lib/sbcl/sb-cover/test-data-3.lisp
 lib/sbcl/sb-cover/test-passed
+lib/sbcl/sb-cover/tests.fasl
+lib/sbcl/sb-cover/tests.lisp
 lib/sbcl/sb-executable/sb-executable.fasl
 lib/sbcl/sb-grovel/.cvsignore
 lib/sbcl/sb-grovel/Makefile