diff -c -r a/crypto/ui/ui_openssl.c b/crypto/ui/ui_openssl.c
*** a/crypto/ui/ui_openssl.c	2012-02-11 15:38:49.000000000 -0800
--- b/crypto/ui/ui_openssl.c	2013-02-23 18:54:56.395504635 -0800
***************
*** 114,122 ****
   * [including the GNU Public Licence.]
   */
  
- 
  #include <openssl/e_os2.h>
  
  /* need for #define _POSIX_C_SOURCE arises whenever you pass -ansi to gcc
   * [maybe others?], because it masks interfaces not discussed in standard,
   * sigaction and fileno included. -pedantic would be more appropriate for
--- 114,123 ----
   * [including the GNU Public Licence.]
   */
  
  #include <openssl/e_os2.h>
  
+ #ifndef OPENSSL_NO_TTY
+ 
  /* need for #define _POSIX_C_SOURCE arises whenever you pass -ansi to gcc
   * [maybe others?], because it masks interfaces not discussed in standard,
   * sigaction and fileno included. -pedantic would be more appropriate for
***************
*** 710,712 ****
--- 711,715 ----
  	return(strlen(buf));
  	}
  #endif
+ 
+ #endif // OPENSSL_NO_TTY