[src/trunk]: src/usr.bin/make make(1): support using C99 bool for Boolean

[rillig <rillig%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/028a694ed595
branches:  trunk
changeset: 979170:028a694ed595
user:      rillig <rillig%NetBSD.org@localhost>
date:      Fri Dec 18 18:17:45 2020 +0000

description:
make(1): support using C99 bool for Boolean

diffstat:

 usr.bin/make/make.h |  10 +++++++---
 1 files changed, 7 insertions(+), 3 deletions(-)

diffs (24 lines):

diff -r 6881319c7bf2 -r 028a694ed595 usr.bin/make/make.h
--- a/usr.bin/make/make.h       Fri Dec 18 17:32:41 2020 +0000
+++ b/usr.bin/make/make.h       Fri Dec 18 18:17:45 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: make.h,v 1.234 2020/12/13 20:09:02 rillig Exp $        */
+/*     $NetBSD: make.h,v 1.235 2020/12/18 18:17:45 rillig Exp $        */
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -136,8 +136,12 @@
  * A boolean type is defined as an integer, not an enum, for historic reasons.
  * The only allowed values are the constants TRUE and FALSE (1 and 0).
  */
-
-#ifdef USE_DOUBLE_BOOLEAN
+#if defined(USE_C99_BOOLEAN)
+#include <stdbool.h>
+typedef bool Boolean;
+#define FALSE false
+#define TRUE true
+#elif defined(USE_DOUBLE_BOOLEAN)
 /* During development, to find type mismatches in function declarations. */
 typedef double Boolean;
 #define TRUE 1.0