diff -urN a/configure.in b/configure.in
--- a/configure.in	2012-06-24 18:27:16.477514024 +0100
+++ b/configure.in	2012-06-24 18:40:43.391973689 +0100
@@ -5,7 +5,7 @@
 # Set VERSION so we only need to edit in one place (i.e., here)
 m4_define(PYTHON_VERSION, 2.7)
 
-AC_PREREQ(2.65)
+AC_PREREQ(2.61)
 
 AC_REVISION($Revision$)
 AC_INIT(python, PYTHON_VERSION, http://bugs.python.org/)
@@ -230,6 +230,9 @@
 		fi
 		enable_framework=
 		;;
+	*-*-darwin*)
+		ac_sys_system=Darwin
+		;;
 	*)
 		PYTHONFRAMEWORKPREFIX="${enableval}"
 		PYTHONFRAMEWORKINSTALLDIR=$PYTHONFRAMEWORKPREFIX/$PYTHONFRAMEWORKDIR
@@ -371,6 +374,11 @@
 	dnl - but an item in PYTHONPATH is "plat-win" !!! oops
 	MACHDEP=win
 	;;
+    *-*-darwin*)
+	ac_sys_system=Darwin
+	ac_sys_version=11
+    MACHDEP=darwin
+    ;;
 	esac
 fi
 if test -z "$MACHDEP"
@@ -1211,7 +1219,7 @@
 	    # Calculate the right deployment target for this build.
 	    #
 	    cur_target=`sw_vers -productVersion | sed 's/\(10\.[[0-9]]*\).*/\1/'`
-	    if test ${cur_target} '>' 10.2; then
+	    if test ${cur_target} > 10.2; then
 		    cur_target=10.3
 		    if test ${enable_universalsdk}; then
 			    if test "${UNIVERSAL_ARCHS}" = "all"; then
@@ -1231,7 +1239,7 @@
 				    cur_target='10.5'
 			    fi
 		    else
-			    if test `/usr/bin/arch` = "i386"; then
+			    if test "$($OSX_ARCH_PROG)" = "i386"; then
 				    # On Intel macs default to a deployment
 				    # target of 10.4, that's the first OSX
 				    # release with Intel support.
@@ -1851,6 +1859,15 @@
     ;;
 esac
 
+if test "x$cross_compiling" = xyes; then
+    function arch
+    {
+        echo i386
+    }
+    OSX_ARCH_PROG=arch
+else
+    OSX_ARCH_PROG=/usr/bin/arch
+fi
 
 ARCH_RUN_32BIT=""
 AC_SUBST(LIBTOOL_CRUFT)
@@ -1860,7 +1877,7 @@
     if test "${enable_universalsdk}"; then
 	    :
     else
-        LIBTOOL_CRUFT="${LIBTOOL_CRUFT} -arch_only `/usr/bin/arch`"
+        LIBTOOL_CRUFT="${LIBTOOL_CRUFT} -arch_only $($OSX_ARCH_PROG)"
     fi
     LIBTOOL_CRUFT=$LIBTOOL_CRUFT' -install_name $(PYTHONFRAMEWORKINSTALLDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)'
     LIBTOOL_CRUFT=$LIBTOOL_CRUFT' -compatibility_version $(VERSION) -current_version $(VERSION)';;
@@ -1885,7 +1902,7 @@
     ]])],[ac_osx_32bit=yes],[ac_osx_32bit=no],[ac_osx_32bit=yes])
     
     if test "${ac_osx_32bit}" = "yes"; then
-    	case `/usr/bin/arch` in
+    	case $($OSX_ARCH_PROG) in
     	i386) 
     		MACOSX_DEFAULT_ARCH="i386" 
     		;;
@@ -1897,7 +1914,7 @@
     		;;
     	esac
     else
-    	case `/usr/bin/arch` in
+    	case $($OSX_ARCH_PROG) in
     	i386) 
     		MACOSX_DEFAULT_ARCH="x86_64" 
     		;;
@@ -1936,8 +1953,8 @@
 fi
 
 AC_MSG_CHECKING(for dyld)
-case $ac_sys_system/$ac_sys_release in
-  Darwin/*)
+case $host in
+  *darwin*)
   	AC_DEFINE(WITH_DYLD, 1, 
         [Define if you want to use the new-style (Openstep, Rhapsody, MacOS)
          dynamic linker (dyld) instead of the old-style (NextStep) dynamic
@@ -2061,7 +2078,7 @@
 		# Use -undefined dynamic_lookup whenever possible (10.3 and later).
 		# This allows an extension to be used in any Python
 
-		if test ${MACOSX_DEPLOYMENT_TARGET} '>' 10.2
+		if test ${MACOSX_DEPLOYMENT_TARGET} > 10.2
 		then
 			if test "${enable_universalsdk}"; then
 				LDFLAGS="${UNIVERSAL_ARCH_FLAGS} -isysroot ${UNIVERSALSDK} ${LDFLAGS}"
diff -urN a/Modules/parsermodule.c b/Modules/parsermodule.c
--- a/Modules/parsermodule.c	2012-04-10 00:07:34.000000000 +0100
+++ b/Modules/parsermodule.c	2012-06-24 18:27:16.738515771 +0100
@@ -39,7 +39,7 @@
 #include "ast.h"
 #include "pyarena.h"
 
-extern grammar _PyParser_Grammar; /* From graminit.c */
+PyAPI_DATA(grammar) _PyParser_Grammar; /* From graminit.c */
 
 #ifdef lint
 #include <note.h>