Rebased for python 2.7.9

Upstream-Status: Inappropriate [embedded specific]

# CTypes need to know the actual host we are building on.
# Signed-Off: Michael Dietrich <mdt@emdete.de>

Index: Python-2.7.9/setup.py
===================================================================
--- Python-2.7.9.orig/setup.py
+++ Python-2.7.9/setup.py
@@ -2028,12 +2028,12 @@ class PyBuildExt(build_ext):
 
                 # Pass empty CFLAGS because we'll just append the resulting
                 # CFLAGS to Python's; -g or -O2 is to be avoided.
-                cmd = "cd %s && env CFLAGS='' '%s/configure' %s" \
-                      % (ffi_builddir, ffi_srcdir, " ".join(config_args))
+                cmd = "(cd %s && autoconf -W cross) && (cd %s && env CFLAGS='' '%s/configure' %s)" \
+                    % (ffi_srcdir, ffi_builddir, ffi_srcdir, " ".join(config_args))
 
                 res = os.system(cmd)
                 if res or not os.path.exists(ffi_configfile):
-                    print "Failed to configure _ctypes module"
+                    print "Failed to configure _ctypes module (res=%d) or missing conffile=%s" % ( res, ffi_configfile )
                     return False
 
             fficonfig = {}