--- ./Modules/socketmodule.c_orig	2013-05-12 05:32:51.000000000 +0200
+++ ./Modules/socketmodule.c	2013-06-04 16:22:47.000000000 +0200
@@ -158,12 +158,14 @@
 #endif
 
 #ifdef HAVE_GETHOSTBYNAME_R
-# if defined(_AIX) || defined(__osf__)
+# if (defined(_AIX) || defined(__osf__)) && !defined(_LINUX_SOURCE_COMPAT)
 #  define HAVE_GETHOSTBYNAME_R_3_ARG
 # elif defined(__sun) || defined(__sgi)
 #  define HAVE_GETHOSTBYNAME_R_5_ARG
 # elif defined(linux)
 /* Rely on the configure script */
+# elif defined(_LINUX_SOURCE_COMPAT)
+#  define HAVE_GETHOSTBYNAME_R_6_ARG
 # else
 #  undef HAVE_GETHOSTBYNAME_R
 # endif