diff --git a/racket/src/README b/racket/src/README
index 5ad29ffd9a..0f20b393a6 100644
--- a/racket/src/README
+++ b/racket/src/README
@@ -311,8 +311,7 @@ As an example of cross-compiling, to compile for Android on ARM using
 the NDK, use (all on one line)
 
   configure --host=arm-linux-androideabi 
-            CPPFLAGS=-I[ndk]/platforms/android-[N]/arch-arm/usr/include 
-            LDFLAGS=-L[ndk]/platforms/android-[N]/arch-arm/usr/lib
+            --enable-sysroot="[ndk]/platforms/android-[N]/arch-arm"
             --enable-sgc
             --enable-racket=racket
 
diff --git a/racket/src/configure b/racket/src/configure
index 0a58631de4..ab1d1f3048 100755
--- a/racket/src/configure
+++ b/racket/src/configure
@@ -1449,6 +1449,7 @@ Optional Features:
   --enable-sdk=<path>     use Mac OS X 10.4 SDK directory
   --enable-sdk5=<path>    use Mac OS X 10.5 SDK directory
   --enable-sdk6=<path>    use Mac OS X 10.6 SDK directory
+  --enable-sysroot=<path> use sysroot directory (e.g., for Android)
   --enable-xonx           use Unix style (e.g., use Gtk) for Mac OS X
   --enable-libfw          install Mac OS X frameworks to /Library/Frameworks
   --enable-userfw         install Mac OS X frameworks to ~/Library/Frameworks
@@ -2696,6 +2697,11 @@ if test "${enable_sdk+set}" = set; then :
   enableval=$enable_sdk;
 fi
 
+# Check whether --enable-sdk was given.
+if test "${enable_sdk+set}" = set; then :
+  enableval=$enable_sdk;
+fi
+
 # Check whether --enable-xonx was given.
 if test "${enable_xonx+set}" = set; then :
   enableval=$enable_xonx;
@@ -3047,6 +3053,10 @@ if test "${enable_sdk6}" != "" ; then
    echo "=== Using Mac OS X 10.6 SDK directory ${enable_sdk6}"
 fi
 
+if test "${enable_sysroot}" != "" ; then
+   echo "=== Using sysroot directory ${enable_sysroot}"
+fi
+
 if test "${enable_racket}" != "" ; then
    echo "=== Using Racket executable ${enable_racket}"
 fi
@@ -3193,6 +3203,14 @@ ORIG_CPP="${CPP}"
 # Include `--enable-portable-binary' by default for libffi
 SUB_CONFIGURE_EXTRAS=" --enable-portable-binary"
 
+if test "${enable_sysroot}" != "" ; then
+   PREFLAGS="--sysroot=${enable_sysroot} ${PREFLAGS}"
+   CPPFLAGS="--sysroot=${enable_sysroot} ${CPPFLAGS}"
+   LDFLAGS="--sysroot=${enable_sysroot} ${LDFLAGS}"
+   SUB_CONFIGURE_EXTRAS="${SUB_CONFIGURE_EXTRAS} CPPFLAGS="'"'"${PREFLAGS}"'"'
+   SUB_CONFIGURE_EXTRAS="${SUB_CONFIGURE_EXTRAS} LDFLAGS="'"'"${LDFLAGS}"'"'
+fi
+
 if test "${enable_oskit}" = "no" ; then
   ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
diff --git a/racket/src/racket/configure.ac b/racket/src/racket/configure.ac
index 9f7fd76ea0..07777def6a 100644
--- a/racket/src/racket/configure.ac
+++ b/racket/src/racket/configure.ac
@@ -58,6 +58,7 @@ AC_ARG_ENABLE(libffi,  [  --enable-libffi         use installed libffi (enabled
 AC_ARG_ENABLE(sdk,     [  --enable-sdk=<path>     use Mac OS X 10.4 SDK directory])
 AC_ARG_ENABLE(sdk,     [  --enable-sdk5=<path>    use Mac OS X 10.5 SDK directory])
 AC_ARG_ENABLE(sdk,     [  --enable-sdk6=<path>    use Mac OS X 10.6 SDK directory])
+AC_ARG_ENABLE(sdk,     [  --enable-sysroot=<path> use sysroot directory (e.g., for Android)])
 AC_ARG_ENABLE(xonx,    [  --enable-xonx           use Unix style (e.g., use Gtk) for Mac OS X])
 AC_ARG_ENABLE(libfw,   [  --enable-libfw          install Mac OS X frameworks to /Library/Frameworks])
 AC_ARG_ENABLE(libfw,   [  --enable-userfw         install Mac OS X frameworks to ~/Library/Frameworks])
@@ -343,6 +344,10 @@ if test "${enable_sdk6}" != "" ; then
    echo "=== Using Mac OS X 10.6 SDK directory ${enable_sdk6}"
 fi
 
+if test "${enable_sysroot}" != "" ; then
+   echo "=== Using sysroot directory ${enable_sysroot}"
+fi
+
 if test "${enable_racket}" != "" ; then
    echo "=== Using Racket executable ${enable_racket}"
 fi
@@ -483,6 +488,14 @@ ORIG_CPP="${CPP}"
 # Include `--enable-portable-binary' by default for libffi
 SUB_CONFIGURE_EXTRAS=" --enable-portable-binary"
 
+if test "${enable_sysroot}" != "" ; then
+   PREFLAGS="--sysroot=${enable_sysroot} ${PREFLAGS}"
+   CPPFLAGS="--sysroot=${enable_sysroot} ${CPPFLAGS}"
+   LDFLAGS="--sysroot=${enable_sysroot} ${LDFLAGS}"
+   SUB_CONFIGURE_EXTRAS="${SUB_CONFIGURE_EXTRAS} CPPFLAGS="'"'"${PREFLAGS}"'"'
+   SUB_CONFIGURE_EXTRAS="${SUB_CONFIGURE_EXTRAS} LDFLAGS="'"'"${LDFLAGS}"'"'
+fi
+
 if test "${enable_oskit}" = "no" ; then
   AC_PROG_CC
   AC_PROG_CPP