 @@ -1,14 +1,14 @@
-/*	$NetBSD: var.c,v 1.592 2020/10/30 06:44:57 rillig Exp $	*/
+/*	$NetBSD: var.c,v 1.593 2020/10/30 06:59:12 rillig Exp $	*/
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
  *	The Regents of the University of California.  All rights reserved.
+ *
  * This code is derived from software contributed to Berkeley by
  * Adam de Boor.
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
 @@ -119,27 +119,27 @@
 #include    <sys/types.h>
 #include    <regex.h>
 #endif
 #include    <inttypes.h>
 #include    <limits.h>
 #include    <time.h>
 #include    "make.h"
 #include    "dir.h"
 #include    "job.h"
 #include    "metachar.h"
 /*	"@(#)var.c	8.3 (Berkeley) 3/19/94" */
-MAKE_RCSID("$NetBSD: var.c,v 1.592 2020/10/30 06:44:57 rillig Exp $");
+MAKE_RCSID("$NetBSD: var.c,v 1.593 2020/10/30 06:59:12 rillig Exp $");
 #define VAR_DEBUG1(fmt, arg1) DEBUG1(VAR, fmt, arg1)
 #define VAR_DEBUG2(fmt, arg1, arg2) DEBUG2(VAR, fmt, arg1, arg2)
 #define VAR_DEBUG3(fmt, arg1, arg2, arg3) DEBUG3(VAR, fmt, arg1, arg2, arg3)
 #define VAR_DEBUG4(fmt, arg1, arg2, arg3, arg4) DEBUG4(VAR, fmt, arg1, arg2, arg3, arg4)
 ENUM_FLAGS_RTTI_3(VarEvalFlags,
 		  VARE_UNDEFERR, VARE_WANTRES, VARE_ASSIGN);
 /*
  * This lets us tell if we have replaced the original environ
  * (which we cannot free).
  */
 @@ -152,33 +152,34 @@ char var_Error[] = "";
 /* Special return value for Var_Parse, indicating an undefined variable in
  * a case where VARE_UNDEFERR is not set.  This undefined variable is
  * typically a dynamic variable such as ${.TARGET}, whose expansion needs to
  * be deferred until it is defined in an actual target. */
 static char varUndefined[] = "";
 /* Special return value for Var_Parse, just to avoid allocating empty strings.
  * In contrast to var_Error and varUndefined, this is not an error marker but
  * just an ordinary successful return value. */
 static char emptyString[] = "";
 /*
- * Traditionally we consume $$ during := like any other expansion.
+ * Traditionally this make consumed $$ during := like any other expansion.
- * Other make's do not.
+ * Other make's do not, and this make follows straight since 2016-01-09.
+ *
  * This knob allows controlling the behavior.
  * FALSE to consume $$ during := assignment.
  * TRUE to preserve $$ during := assignment.
  */
-#define SAVE_DOLLARS ".MAKE.SAVE_DOLLARS"
+#define MAKE_SAVE_DOLLARS ".MAKE.SAVE_DOLLARS"
 static Boolean save_dollars = TRUE;
 /*
  * Internally, variables are contained in four different contexts.
  *	1) the environment. They cannot be changed. If an environment
  *	    variable is appended to, the result is placed in the global
  *	    context.
  *	2) the global context. Variables set in the Makefile are located in
  *	    the global context.
  *	3) the command-line context. All variables set on the command line
  *	   are placed in this context. They are UNALTERABLE once placed here.
  *	4) the local context. Each target has associated with it a context
  *	   list. On this list are located the structures describing such
 @@ -847,27 +848,27 @@ Var_Set_with_flags(const char *name, con
 	if (v != NULL)
 	    v->flags |= VAR_FROM_CMD;
 	/*
 	 * If requested, don't export these in the environment
 	 * individually.  We still put them in MAKEOVERRIDES so
 	 * that the command-line settings continue to override
 	 * Makefile settings.
 	 */
 	if (!opts.varNoExportEnv)
 	    setenv(name, val ? val : "", 1);
 	Var_Append(MAKEOVERRIDES, name, VAR_GLOBAL);
+    }
-    if (name[0] == '.' && strcmp(name, SAVE_DOLLARS) == 0)
+    if (name[0] == '.' && strcmp(name, MAKE_SAVE_DOLLARS) == 0)
 	save_dollars = s2Boolean(val, save_dollars);
 out:
     free(name_freeIt);
     if (v != NULL)
 	VarFreeEnv(v, TRUE);
+}
 /*-
  *-----------------------------------------------------------------------
  * Var_Set --
  *	Set the variable name to the value val in the given context.
+ *