diff -Nru plt-scheme-4.2.4/debian/changelog plt-scheme-4.2.4/debian/changelog
--- plt-scheme-4.2.4/debian/changelog	2010-02-15 13:00:28.000000000 +0000
+++ plt-scheme-4.2.4/debian/changelog	2010-10-01 18:19:20.000000000 +0000
@@ -1,3 +1,9 @@
+plt-scheme (4.2.4-2ubuntu1) maverick; urgency=low
+
+  * Use -mfloat-abi=soft for thumb2 assembler (LP: #635415)
+
+ -- David Sugar <david.sugar@canonical.com>  Fri, 01 Oct 2010 14:00:26 +0000
+
 plt-scheme (4.2.4-2) unstable; urgency=low
 
   * Pull patch from upstream to fix building on Sparc.
diff -Nru plt-scheme-4.2.4/debian/control plt-scheme-4.2.4/debian/control
--- plt-scheme-4.2.4/debian/control	2010-02-15 13:00:28.000000000 +0000
+++ plt-scheme-4.2.4/debian/control	2010-10-01 15:20:40.000000000 +0000
@@ -1,7 +1,8 @@
 Source: plt-scheme
 Section: lisp 
 Priority: optional
-Maintainer: Ari Pollak <ari@debian.org>
+Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
+XSBC-Original-Maintainer: Ari Pollak <ari@debian.org>
 Uploaders: James Vega <jamessan@debian.org>
 Standards-Version: 3.8.0
 Build-Depends: cdbs, quilt, debhelper (>= 7.0.0), patchutils,
diff -Nru plt-scheme-4.2.4/debian/rules plt-scheme-4.2.4/debian/rules
--- plt-scheme-4.2.4/debian/rules	2010-02-15 13:00:28.000000000 +0000
+++ plt-scheme-4.2.4/debian/rules	2010-10-01 14:18:14.000000000 +0000
@@ -17,6 +17,11 @@
 DEB_MAKE_ENVVARS = CFLAGS="-g" CXXFLAGS=""
 
 DEB_BUILDDIR := $(DEB_SRCDIR)/build
+ARCH:=$(shell dpkg-architecture -qDEB_BUILD_ARCH)
+
+ifeq ($(ARCH),armel)
+DEB_CONFIGURE_SCRIPT_ENV := CFLAGS="-g" CXXFLAGS="" CC="gcc -mfloat-abi=soft"
+endif
 
 binary-post-install/plt-scheme-doc::
 	# release-notes get installed into plt-scheme