$NetBSD: patch-lib_Makefile.in,v 1.1 2021/11/12 12:40:17 nia Exp $

Test for c99 default before using stdbool instead of testing for GCC 2.95.
PR pkg/56488: Solaris 10 compile issues, stdbool.h requires c99

--- lib/Makefile.in.orig	2018-05-25 16:03:27.000000000 +0000
+++ lib/Makefile.in
@@ -5804,9 +5804,9 @@ unistring/stdbool.h : $(STDBOOL_H) stdbo
 	{ echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
 	  echo '#if !defined _GL_STDBOOL_H'; \
 	  if test -f /usr/include/stdbool.h; then \
-	    echo '#if (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)) || defined _AIX'; \
+	    echo '#if (__STDC_VERSION__ >= 199901L) || defined _AIX'; \
 	  else \
-	    echo '#if (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95))'; \
+	    echo '#if (__STDC_VERSION__ >= 199901L)'; \
 	  fi; \
 	  echo '#include <stdbool.h>'; \
 	  echo '#else'; \