From a446cf26d7f386a81b8667f5ec75fb5f6232d202 Mon Sep 17 00:00:00 2001
From: Marius Bakke <mbakke@fastmail.com>
Date: Fri, 31 Aug 2018 17:05:24 +0200
Subject: gnu: texinfo@5: Fix FTBFS with Perl >= 5.28.

* gnu/packages/patches/texinfo-5-perl-compat.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/texinfo.scm (texinfo-5)[source](patches): New field.
---
 gnu/packages/patches/texinfo-5-perl-compat.patch | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 gnu/packages/patches/texinfo-5-perl-compat.patch

(limited to 'gnu/packages/patches/texinfo-5-perl-compat.patch')

diff --git a/gnu/packages/patches/texinfo-5-perl-compat.patch b/gnu/packages/patches/texinfo-5-perl-compat.patch
new file mode 100644
index 0000000000..f16d6b4da8
--- /dev/null
+++ b/gnu/packages/patches/texinfo-5-perl-compat.patch
@@ -0,0 +1,19 @@
+Fix a deprecation warning with newer Perl that breaks some tests.
+
+--- a/tp/Texinfo/Parser.pm
++++ b/tp/Texinfo/Parser.pm
+@@ -5438,12 +5438,12 @@
+     }
+   } elsif ($command eq 'clickstyle') {
+     # REMACRO
+-    if ($line =~ /^\s+@([[:alnum:]][[:alnum:]\-]*)({})?\s*/) {
++    if ($line =~ /^\s+@([[:alnum:]][[:alnum:]\-]*)(\{})?\s*/) {
+       $args = ['@'.$1];
+       $self->{'clickstyle'} = $1
+         unless(_ignore_global_commands($self));
+       $remaining = $line;
+-      $remaining =~ s/^\s+@([[:alnum:]][[:alnum:]\-]*)({})?\s*(\@(c|comment)((\@|\s+).*)?)?//;
++      $remaining =~ s/^\s+@([[:alnum:]][[:alnum:]\-]*)(\{})?\s*(\@(c|comment)((\@|\s+).*)?)?//;
+       $has_comment = 1 if (defined($4));
+     } else {
+       $self->line_error (sprintf($self->__(
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