From 3a68dc015948a7e5eb3f28ca07d9f0b1bace0410 Mon Sep 17 00:00:00 2001
From: Ron Yorston <rmy@pobox.com>
Date: Fri, 18 Oct 2024 09:00:43 +0100
Subject: make: relax definition of comment line

According to POSIX:

   Blank lines, empty lines, and lines with <number-sign> ('#')
   as the first character on the line are also known as comment
   lines.

Most implementations also include lines where the first non-blank
character is '#'.  Allow this as an extension.

Adds 0-16 bytes.
---
 miscutils/make.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/miscutils/make.c b/miscutils/make.c
index 4a8643a83..7336afdf3 100644
--- a/miscutils/make.c
+++ b/miscutils/make.c
@@ -1770,7 +1770,7 @@ readline(FILE *fd, int want_command)
 			while (isblank(*p))
 				p++;
 
-			if (*p != '\n' && *str != '#')
+			if (*p != '\n' && (posix ? *str != '#' : *p != '#'))
 				return str;
 		}
 
-- 
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