Hi there,
we tried to compile gnutls for iOS and needed to patch it because iOS does
not have a crt_externs.h include.
Since gnutls uses gnulib... here is our patch for that. Maybe you could add
it.
http://lists.gnutls.org/pipermail/gnutls-devel/2014-November/007216.html
Best regards
André Klitzing
diff -ruN gnulib.orig/lib/unistd.in.h gnulib/lib/unistd.in.h
--- gnulib.orig/lib/unistd.in.h 2014-11-06 14:52:50.973180715 +0100
+++ gnulib/lib/unistd.in.h 2014-11-06 14:54:20.485231338 +0100
@@ -401,6 +401,13 @@
/* Set of environment variables and values. An array of strings of the form
"VARIABLE=VALUE", terminated with a NULL. */
# if defined __APPLE__ && defined __MACH__
+# include "TargetConditionals.h"
+# if !defined(TARGET_OS_IPHONE) && !defined(TARGET_IPHONE_SIMULATOR)
+# define APPLE_USE_CRT_EXTERNS
+# endif
+# endif
+#
+# ifdef APPLE_USE_CRT_EXTERNS
# include <crt_externs.h>
# define environ (*_NSGetEnviron ())
# else
