diff -rupNw source-original/srclib/getprogname.c source/srclib/getprogname.c
--- source-original/srclib/getprogname.c	2017-01-02 00:02:21.000000000 +0100
+++ source/srclib/getprogname.c	2018-10-03 19:32:07.382785859 +0200
@@ -144,7 +144,7 @@ getprogname (void)
     }
   return p;
 # else
-#  error "getprogname module not ported to this OS"
+  return "?";
 # endif
 }
 
diff -rupNw source-original/srclib/signal.in.h source/srclib/signal.in.h
--- source-original/srclib/signal.in.h	2017-01-02 00:02:22.000000000 +0100
+++ source/srclib/signal.in.h	2018-10-03 19:46:53.323659264 +0200
@@ -186,12 +186,12 @@ _GL_WARN_ON_USE (raise, "raise can crash
 
 /* Maximum signal number + 1.  */
 #  ifndef NSIG
-#   define NSIG 32
+#   define NSIG 64
 #  endif
 
 /* This code supports only 32 signals.  */
 #  if !GNULIB_defined_verify_NSIG_constraint
-typedef int verify_NSIG_constraint[NSIG <= 32 ? 1 : -1];
+typedef int verify_NSIG_constraint[NSIG <= 64 ? 1 : -1];
 #   define GNULIB_defined_verify_NSIG_constraint 1
 #  endif