From e4d6027c5e91c513881af0ef86a618441ab37adc Mon Sep 17 00:00:00 2001
From: des <des@FreeBSD.org>
Date: Mon, 30 Jan 2006 10:46:01 +0000
Subject: Avoid triggering autovivification of %config entries, which would
 result in an empty addenda section.

Handle kernel configs that lack a "machine" line by guessing at the location
of GENERIC (assuming that it is in the same directory as the config file)
---
 tools/tools/genericize/genericize.pl | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

(limited to 'tools')

diff --git a/tools/tools/genericize/genericize.pl b/tools/tools/genericize/genericize.pl
index c9446bb..2f8d694 100755
--- a/tools/tools/genericize/genericize.pl
+++ b/tools/tools/genericize/genericize.pl
@@ -46,7 +46,6 @@ MAIN:{
 	chomp();
 	s/\s*(\#.*)?$//;
 	next unless $_;
-	#print("$_\n");
 	my ($keyword, $values) = split(' ', $_, 2);
 	foreach my $value (split(/,\s*/, $values)) {
 	    if ($keyword eq 'machine') {
@@ -61,7 +60,12 @@ MAIN:{
 	}
     }
 
-    my $generic = "/usr/src/sys/$machine/conf/GENERIC";
+    my $generic;
+    if ($machine) {
+	$generic = "/usr/src/sys/$machine/conf/GENERIC";
+    } else {
+	($generic = $ARGV) =~ s|([^/])+$|GENERIC|;
+    }
     local *GENERIC;
     open(GENERIC, "<", $generic)
 	or die("$generic: $!\n");
@@ -87,7 +91,7 @@ MAIN:{
 	} elsif ($keyword eq 'ident') {
 	    $line =~ s/$value/$ident/;
 	} elsif ($keyword eq 'options' && $value =~ m/(\w+)=(.+)/ &&
-	    defined($config{$keyword}->{$1}) &&
+	    $config{$keyword} && $config{$keyword}->{$1} &&
 	    $config{$keyword}->{$1} != \&EMPTY) {
 	    $value = $1;
 	    if ($config{$keyword}->{$value} ne $2) {
@@ -97,7 +101,7 @@ MAIN:{
 	    delete($config{$keyword}->{$value});
 	    delete($config{$keyword})
 		unless %{$config{$keyword}};
-	} elsif (defined($config{$keyword}->{$value})) {
+	} elsif ($config{$keyword} && $config{$keyword}->{$value}) {
 	    delete($config{$keyword}->{$value});
 	    delete($config{$keyword})
 		unless %{$config{$keyword}};
-- 
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