From 810e74934663dbea5004bde64f9c513d8712df81 Mon Sep 17 00:00:00 2001
From: Bernd Kuhls <bernd.kuhls@t-online.de>
Date: Tue, 22 Mar 2016 22:45:49 +0100
Subject: [PATCH] package/libldns: Fix build error with perl 5.22

Bug was already reported upstream, as solution upstream refered to this
commit: https://www.nlnetlabs.nl/bugs-script/show_bug.cgi?id=733#c2

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
---
 package/libldns/0003-doxyparse-manpages.patch | 117 ++++++++++++++++++
 1 file changed, 117 insertions(+)
 create mode 100644 package/libldns/0003-doxyparse-manpages.patch

diff --git a/package/libldns/0003-doxyparse-manpages.patch b/package/libldns/0003-doxyparse-manpages.patch
new file mode 100644
index 0000000000..7aaa0d1c2f
--- /dev/null
+++ b/package/libldns/0003-doxyparse-manpages.patch
@@ -0,0 +1,117 @@
+From 168ee09a4bf184947798c3ee3ac99b6651470d64 Mon Sep 17 00:00:00 2001
+From: Willem Toorop <willem@nlnetlabs.nl>
+Date: Thu, 27 Nov 2014 16:21:54 +0100
+Subject: let doxyparse output manpage generation issues
+
+This patch fixes a build error with perl 5.22.
+
+Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
+Patch backported from upstream commit:
+http://git.nlnetlabs.nl/ldns/commit/?h=develop&id=168ee09a4bf184947798c3ee3ac99b6651470d64
+---
+ doc/doxyparse.pl | 45 ++++++++++++++++++++++++++++++++++++++-------
+ 1 file changed, 38 insertions(+), 7 deletions(-)
+
+diff --git a/doc/doxyparse.pl b/doc/doxyparse.pl
+index 96a1732..a09b2e8 100755
+--- a/doc/doxyparse.pl
++++ b/doc/doxyparse.pl
+@@ -57,10 +57,15 @@ This manpage was automaticly generated from the ldns source code by
+ use of Doxygen and some perl.
+ ";
+ 
+-getopts("m:",\%options);
++getopts("em:",\%options);
+ # if -m manpage file is given process that file
+ # parse the file which tells us what manpages go together
+ my $functions, $see_also;
++my $i = -1;
++my $report_errors = defined $options{'e'};
++my $errors = 0;
++my %unique;
++
+ if (defined $options{'m'}) {
+ 	# process
+ 	open(MAN, "<$options{'m'}") or die "Cannot open $options{'m'}";
+@@ -68,18 +73,35 @@ if (defined $options{'m'}) {
+ 		# func1, func2, .. | see_also1, see_also2, ...
+ 		while(<MAN>) {
+ 			chomp;
++			$i += 1;
+ 			if (/^#/) { next; }
+ 			if (/^$/) { next; }
+-			($functions, $see_also) = split /[\t ]*\|[\t ]*/, $_;
+-			#print "{$functions}\n";
+-			#print "{$see_also}\n";
++			my @parts = split /[\t ]*\|[\t ]*/, $_;
++			$functions = shift @parts;
++			$see_also = join ', ', @parts;
++			print "{$functions}\n";
++			print "{$see_also}\n";
+ 			my @funcs = split /[\t ]*,[\t ]*/, $functions;
+ 			my @also = split /[\t ]*,[\t ]*/, $see_also;
+ 			$manpages{$funcs[0]} = \@funcs;
+ 			$see_also{$funcs[0]} = \@also;
++			foreach (@funcs) {
++				if ($unique{$_}) {
++					push $unique{$_}, ($i,);
++				} else {
++					$unique{$_} = [$i];
++				}
++			}
+ 			#print "[", $funcs[0], "]\n";
+ 		}
+ 	close(MAN);
++	while (($func, $lines) = each %unique ) {
++		if (scalar @$lines > 1) {
++			print STDERR "$func in function_manpages on lines: "
++			    . join(", ",@$lines) . "\n" if $report_errors;
++			$errors += 1;
++		}
++	}
+ } else {
+ 	print "Need -m file to process the .h files\n";
+ 	exit 1;
+@@ -95,7 +117,7 @@ mkdir "doc/man";
+ mkdir "doc/man/man$MAN_SECTION";
+ 
+ $state = 0;
+-my $i;
++$i = 0;
+ my @lines = <STDIN>;
+ my $max = @lines;
+ 
+@@ -273,7 +295,7 @@ foreach (keys %manpages) {
+ 
+ 	print MAN $MAN_MIDDLE;
+ 
+-	if (defined(@$also)) {
++	if (@$also) {
+ 		print MAN "\n.SH SEE ALSO\n\\fI";
+ 		print MAN join "\\fR, \\fI", @$also;
+ 		print MAN "\\fR.\nAnd ";
+@@ -290,7 +312,7 @@ foreach (keys %manpages) {
+ 	# create symlinks
+ 	chdir("$BASE/man$MAN_SECTION");
+ 	foreach (@$name) {
+-		print STDERR $_,"\n";
++		print STDOUT $_,"\n";
+ 		my $new_file = $_ . "." . $MAN_SECTION;
+ 		if ($new_file eq $symlink_file) {
+ 			next;
+@@ -301,3 +323,12 @@ foreach (keys %manpages) {
+ 	chdir("../../.."); # and back, tricky and fragile...
+ 	close(MAN);
+ }
++foreach (keys %api) {
++	next if (/ / || /^$/);
++	if (not $unique{$_}) {
++		print STDERR "no man page for $_\n" if $report_errors;
++		$errors += 1;
++	}
++}
++
++exit ($report_errors and $errors != 0);
+-- 
+cgit v0.11.2
+
-- 
2.30.2