--- sig.h.orig	2013-02-27 16:17:20.000000000 +0100
+++ sig.h	2015-06-24 22:41:55.961577207 +0200
@@ -25,7 +25,7 @@
 
 #include "stdc.h"
 
-#if !defined (SIG_DFL)
+#if !defined (SIG_DFL) || defined __sgi
 #  include <signal.h>		/* for sig_atomic_t */
 #endif
 
--- externs.h.orig	2014-10-01 18:57:22.000000000 +0200
+++ externs.h	2015-06-26 20:19:56.702752134 +0200
@@ -324,7 +324,7 @@
 extern char *sh_backslash_quote __P((char *, const char *, int));
 extern char *sh_backslash_quote_for_double_quotes __P((char *));
 extern int sh_contains_shell_metas __P((char *));
-extern int sh_contains_quotes __P((char *));
+extern int sh_contains_quotes __P((const char *));
 
 /* declarations for functions defined in lib/sh/spell.c */
 extern int spname __P((char *, char *));
--- builtins/evalstring.c.orig	2014-10-05 19:52:50.000000000 +0200
+++ builtins/evalstring.c	2015-06-26 20:52:47.734424454 +0200
@@ -195,7 +195,11 @@
   int code, lreset;
   volatile int should_jump_to_top_level, last_result;
   COMMAND *volatile command;
+#ifdef __sgi
+  sigset_t pe_sigmask;
+#else
   volatile sigset_t pe_sigmask;
+#endif
 
   parse_prologue (string, flags, PE_TAG);
 
@@ -451,7 +455,11 @@
   volatile int should_jump_to_top_level;
   COMMAND *volatile command, *oglobal;
   char *ostring;
+#ifdef __sgi
+  sigset_t ps_sigmask;
+#else
   volatile sigset_t ps_sigmask;
+#endif
 
   parse_prologue (string, flags, PS_TAG);