--- /dev/null
+--- heirloom-devtools-070527/make/bsd/bsd.cc.old 2016-09-21 22:36:56.556036181 -0400
++++ heirloom-devtools-070527/make/bsd/bsd.cc 2016-09-21 22:52:09.819186461 -0400
+@@ -50,7 +50,7 @@
+ extern SIG_PF
+ bsdsignal (int Signal, SIG_PF Handler)
+ {
+- auto SIG_PF previous_handler;
++ SIG_PF previous_handler;
+ #ifdef SUN5_0
+ #ifdef sun
+ previous_handler = sigset (Signal, Handler);