From 75f82519ae1a4af2d3c7f0cf2509770566cbeeff Mon Sep 17 00:00:00 2001
From: Mauro Carvalho Chehab <devnull@localhost>
Date: Thu, 8 Dec 2005 14:07:37 +0000
Subject: Updated doc to explain usage of #if macros and gentree updated

- Updated to explain usage of #if macros
- gentree was removing linux/version.h from .c files.

Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
---
 v4l/scripts/gentree.pl | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

(limited to 'v4l/scripts/gentree.pl')

diff --git a/v4l/scripts/gentree.pl b/v4l/scripts/gentree.pl
index 7c044ee06..74db9f1ad 100644
--- a/v4l/scripts/gentree.pl
+++ b/v4l/scripts/gentree.pl
@@ -67,10 +67,6 @@ sub filter_source ($$) {
 	print STDERR "File: $in, for kernel $VERSION($CODE)/\n" if $DEBUG;
 
 	while ($line = <IN>) {
-		if ($line =~ m/^#include <linux\/version.h>/ &&
-		    $in   =~ m/.*\.c/) {
-			next;
-		}
 		if ($line =~ m/^#include \"compat.h\"/) {
 			next;
 		}
@@ -93,6 +89,14 @@ sub filter_source ($$) {
 			$level++;
 			next;
 		}
+		if ($line =~ /^#if 0\s.*[Kk][Ee][Ee][Pp].*/) {
+			chomp($line);
+			$state{$level} = "ifother";
+			$if{$level} = 0;
+			print STDERR "/* BP #if 0 (keep) state=$state{$level} if=$if{$level} level=$level ($line) */\n" if $DEBUG;
+			$level++;
+			next;
+		}
 		if ($line =~ /^#if 1\s.*[Kk][Ee][Ee][Pp].*/) {
 			print OUT "#if 1\n";
 			$state{$level} = "ifother";
-- 
cgit v1.2.3