Add new config file for Irix 6.

config/ChangeLog

@@ -1,3 +1,7 @@
+Mon Jul  8 17:30:52 1996  Jim Wilson  <wilson@cygnus.com>
+
+	* mh-irix6: New file.
+
 Mon Jul  8 15:15:37 1996  Jason Merrill  <jason@yorick.cygnus.com>
 
 	* mt-sparcpic (PICFLAG_FOR_TARGET): Use -fPIC.

config/mh-irix6

@@ -0,0 +1,7 @@
+# Makefile changes for SGI's running IRIX-6.x.
+SYSV = -DSYSV
+RANLIB = true
+# Specify the ABI, to ensure that all Irix 6 systems will behave the same.
+# Also, using -32 avoids bugs that exist in the n32/n64 support in some
+# versions of the SGI compiler.
+CC = cc -32