diff -urN a-3.4.x/configure.ac b-3.4.x/configure.ac
--- a-3.4.x/configure.ac	2012-10-20 23:08:04.704775224 +0100
+++ b-3.4.x/configure.ac	2012-10-20 23:59:32.000000000 +0100
@@ -49,7 +49,7 @@
 	    AC_MSG_ERROR([python$PACKAGE_VERSION interpreter not found])
 	fi
         AC_MSG_RESULT($interp)
-	PYTHON_FOR_BUILD="_PYTHON_PROJECT_BASE=$srcdir"' _PYTHON_HOST_PLATFORM=$(_PYTHON_HOST_PLATFORM) PYTHONPATH=$(srcdir)/Lib:$(srcdir)/Lib/plat-$(MACHDEP) '$interp
+	PYTHON_FOR_BUILD="_PYTHON_PROJECT_BASE=`pwd`"' _PYTHON_HOST_PLATFORM=$(_PYTHON_HOST_PLATFORM) PYTHONPATH=$(srcdir)/Lib:$(srcdir)/Lib/plat-$(MACHDEP) '$interp
     fi
 else
     PYTHON_FOR_BUILD='./$(BUILDPYTHON) -E'
@@ -334,9 +334,9 @@
 then
     # avoid using uname for cross builds
     if test "$cross_compiling" = yes; then
-       # ac_sys_system and ac_sys_release are only used for setting
-       # `define_xopen_source' in the case statement below. For the
-       # current supported cross builds, this macro is not adjusted.
+       # ac_sys_system and ac_sys_release are used for setting
+       # a lot of different things including 'define_xopen_source'
+       # in the case statement below.
 	case "$host" in
 	*-*-linux*)
 		ac_sys_system=Linux
diff -urN a-3.4.x/setup.py b-3.4.x/setup.py
--- a-3.4.x/setup.py	2012-10-13 16:58:23.000000000 +0100
+++ b-3.4.x/setup.py	2012-10-20 23:08:04.910776625 +0100
@@ -520,6 +520,9 @@
                 '/lib', '/usr/lib',
                 ]
             inc_dirs = self.compiler.include_dirs + ['/usr/include']
+        else:
+            lib_dirs = []
+            inc_dirs = []
         exts = []
         missing = []