* configure.in: check for the whether crt_externs.h is present when compiling

  for darwin (this header is missing in the iOS SDK)
* eval_intern.h: check HAVE_CRT_EXTERNS_H before including crt_externs.h, if
  not defined, include missing/crt_externs.h instead
* hash.c: ditto
* missing/setproctitle.c: ditto
* missing/crt_externs.h: declare _NSGetEnviron() function and define environ
  for iOS

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38644 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 5 insertions, 1 deletions

diff --git a/hash.c b/hash.c
index 68955b241c..cba71f948f 100644
--- a/hash.c
+++ b/hash.c
@@ -20,7 +20,11 @@
 #include "probes.h"
 
 #ifdef __APPLE__
-#include <crt_externs.h>
+# ifdef HAVE_CRT_EXTERNS_H
+#  include <crt_externs.h>
+# else
+#  include "missing/crt_externs.h"
+# endif
 #endif
 
 static VALUE rb_hash_s_try_convert(VALUE, VALUE);