@@ -1,4 +1,4 @@
-/*	$NetBSD: parse.c,v 1.239 2020/07/28 16:42:22 rillig Exp $	*/
+/*	$NetBSD: parse.c,v 1.240 2020/07/28 18:15:11 rillig Exp $	*/
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -69,14 +69,14 @@
  */
 
 #ifndef MAKE_NATIVE
-static char rcsid[] = "$NetBSD: parse.c,v 1.239 2020/07/28 16:42:22 rillig Exp $";
+static char rcsid[] = "$NetBSD: parse.c,v 1.240 2020/07/28 18:15:11 rillig Exp $";
 #else
 #include <sys/cdefs.h>
 #ifndef lint
 #if 0
 static char sccsid[] = "@(#)parse.c	8.3 (Berkeley) 3/19/94";
 #else
-__RCSID("$NetBSD: parse.c,v 1.239 2020/07/28 16:42:22 rillig Exp $");
+__RCSID("$NetBSD: parse.c,v 1.240 2020/07/28 18:15:11 rillig Exp $");
 #endif
 #endif /* not lint */
 #endif
@@ -1289,7 +1289,16 @@
 		(strncmp(line, ">>>>>>", 6) == 0))
 		Parse_Error(PARSE_FATAL,
 		    "Makefile appears to contain unresolved cvs/rcs/??? merge conflicts");
-	    else
+	    else if (lstart[0] == '.') {
+		const char *dirstart = lstart + 1;
+		while (isspace((unsigned char)*dirstart))
+		    dirstart++;
+		const char *dirend = dirstart;
+		while (isalnum((unsigned char)*dirend) || *dirend == '-')
+		    dirend++;
+		Parse_Error(PARSE_FATAL, "Unknown directive \"%.*s\"",
+			    (int)(dirend - dirstart), dirstart);
+	    } else
 		Parse_Error(PARSE_FATAL, lstart[0] == '.' ? "Unknown directive"
 				     : "Need an operator");
 	    goto out;

@@ -1,25 +1,25 @@
 make: "directives.mk" line 10: begin .export tests
-make: "directives.mk" line 11: Unknown directive
+make: "directives.mk" line 11: Unknown directive "expor"
 make: "directives.mk" line 20: begin .export-env tests
 make: "directives.mk" line 30: begin .export-literal tests
 make: "directives.mk" line 40: begin .info tests
-make: "directives.mk" line 41: Unknown directive
-make: "directives.mk" line 42: Unknown directive
+make: "directives.mk" line 41: Unknown directive "inf"
+make: "directives.mk" line 42: Unknown directive "info"
 make: "directives.mk" line 43: message
 make: "directives.mk" line 44: indented message
-make: "directives.mk" line 45: Unknown directive
+make: "directives.mk" line 45: Unknown directive "information"
 make: "directives.mk" line 46: message
 make: "directives.mk" line 50: begin .undef tests
-make: "directives.mk" line 51: Unknown directive
+make: "directives.mk" line 51: Unknown directive "unde"
 make: "directives.mk" line 60: begin .unexport tests
-make: "directives.mk" line 61: Unknown directive
+make: "directives.mk" line 61: Unknown directive "unexpor"
 make: "directives.mk" line 70: begin .unexport-env tests
 make: "directives.mk" line 80: begin .warning tests
-make: "directives.mk" line 81: Unknown directive
-make: "directives.mk" line 82: Unknown directive
-make: "directives.mk" line 83: Unknown directive
+make: "directives.mk" line 81: Unknown directive "warn"
+make: "directives.mk" line 82: Unknown directive "warnin"
+make: "directives.mk" line 83: Unknown directive "warning"
 make: "directives.mk" line 84: warning: message
-make: "directives.mk" line 85: Unknown directive
+make: "directives.mk" line 85: Unknown directive "warnings"
 make: "directives.mk" line 86: warning: messages
 make: "directives.mk" line 90: begin .elif misspellings tests, part 1
 make: "directives.mk" line 100: begin .elif misspellings tests, part 2
@@ -27,9 +27,9 @@
 make: "directives.mk" line 120: which branch is taken on misspelling after false?
 make: "directives.mk" line 127: else taken
 make: "directives.mk" line 130: which branch is taken on misspelling after true?
-make: "directives.mk" line 132: Unknown directive
+make: "directives.mk" line 132: Unknown directive "elsif"
 make: "directives.mk" line 133: 1 taken
-make: "directives.mk" line 134: Unknown directive
+make: "directives.mk" line 134: Unknown directive "elsif"
 make: "directives.mk" line 135: 2 taken
 make: "directives.mk" line 140: end of the tests
 make: Fatal errors encountered -- cannot continue