gnu: wget: Fix compilation with Perl 5.26; skip faulty tests.

* gnu/packages/wget.scm (wget)[arguments]: New field.
[source](patches): Add "wget-perl-5.26.patch".
* gnu/packages/patches/wget-perl-5.26.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.

3 files changed, 111 insertions, 2 deletions

diff --git a/gnu/local.mk b/gnu/local.mk
index 900df572ad..23b8f449a1 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -1028,6 +1028,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/weechat-python.patch			\
   %D%/packages/patches/wget-CVE-2017-6508.patch			\
   %D%/packages/patches/wget-fix-504-test-timeout.patch			\
+  %D%/packages/patches/wget-perl-5.26.patch			\
   %D%/packages/patches/wicd-bitrate-none-fix.patch		\
   %D%/packages/patches/wicd-get-selected-profile-fix.patch	\
   %D%/packages/patches/wicd-urwid-1.3.patch			\
diff --git a/gnu/packages/patches/wget-perl-5.26.patch b/gnu/packages/patches/wget-perl-5.26.patch
new file mode 100644
index 0000000000..ee3a984daa
--- /dev/null
+++ b/gnu/packages/patches/wget-perl-5.26.patch
@@ -0,0 +1,96 @@
+This upstream commit adjusts tests for Perl 5.26.
+
+commit 7ffe93cabb181f39ad5091c31ab9f61bd940a55f
+Author: Anton Yuzhaninov <citrin+github@citrin.ru>
+Date:   Wed Apr 5 19:06:42 2017 +0300
+
+    Fix perl warnings in tests
+    
+    * tests/FTPServer.pm: Escape '{' in RE to fix warnings
+    * tests/FTPTest.pm: Likewise
+    * tests/HTTPServer.pm: Likewise
+    * tests/HTTPTest.pm: Likewise
+    * tests/Test-proxied-https-auth-keepalive.px: Likewise
+    * tests/Test-proxied-https-auth.px: Likewise
+    Escape '{' in RE to fix warnings:
+    Unescaped left brace in regex is deprecated, passed through in regex;
+    marked by <-- HERE in m/{{ <-- HERE port}}/
+
+diff --git a/tests/FTPServer.pm b/tests/FTPServer.pm
+index a5185d66..cac80942 100644
+--- a/tests/FTPServer.pm
++++ b/tests/FTPServer.pm
+@@ -589,7 +589,7 @@ sub new
+     foreach my $file (keys %{$self->{_input}})
+     {
+         my $ref = \$self->{_input}{$file}{content};
+-        $$ref =~ s/{{port}}/$self->sockport/eg;
++        $$ref =~ s/\Q{{port}}/$self->sockport/eg;
+     }
+ 
+     return $self;
+diff --git a/tests/FTPTest.pm b/tests/FTPTest.pm
+index 50385ad0..0a1c768c 100644
+--- a/tests/FTPTest.pm
++++ b/tests/FTPTest.pm
+@@ -53,7 +53,7 @@ sub _substitute_port
+ {
+     my $self = shift;
+     my $ret  = shift;
+-    $ret =~ s/{{port}}/$self->{_server}->sockport/eg;
++    $ret =~ s/\Q{{port}}/$self->{_server}->sockport/eg;
+     return $ret;
+ }
+ 
+diff --git a/tests/HTTPServer.pm b/tests/HTTPServer.pm
+index dd8ec043..78609f65 100644
+--- a/tests/HTTPServer.pm
++++ b/tests/HTTPServer.pm
+@@ -310,7 +310,7 @@ sub _substitute_port
+ {
+     my $self = shift;
+     my $ret  = shift;
+-    $ret =~ s/{{port}}/$self->sockport/eg;
++    $ret =~ s/\Q{{port}}/$self->sockport/eg;
+     return $ret;
+ }
+ 
+diff --git a/tests/HTTPTest.pm b/tests/HTTPTest.pm
+index 00f079f8..6225c7f1 100644
+--- a/tests/HTTPTest.pm
++++ b/tests/HTTPTest.pm
+@@ -47,7 +47,7 @@ sub _substitute_port
+ {
+     my $self = shift;
+     my $ret  = shift;
+-    $ret =~ s/{{port}}/$self->{_server}->sockport/eg;
++    $ret =~ s/\Q{{port}}/$self->{_server}->sockport/eg;
+     return $ret;
+ }
+ 
+diff --git a/tests/Test-proxied-https-auth-keepalive.px b/tests/Test-proxied-https-auth-keepalive.px
+index 049bebec..2a18ccfd 100755
+--- a/tests/Test-proxied-https-auth-keepalive.px
++++ b/tests/Test-proxied-https-auth-keepalive.px
+@@ -153,7 +153,7 @@ my $cmdline = $WgetTest::WGETPATH . " --user=fiddle-dee-dee"
+     . " --password=Dodgson -e https_proxy=localhost:{{port}}"
+     . " --no-check-certificate"
+     . " https://no.such.domain/needs-auth.txt";
+-$cmdline =~ s/{{port}}/$SOCKET->sockport()/e;
++$cmdline =~ s/\Q{{port}}/$SOCKET->sockport()/e;
+ 
+ if (defined $srcdir) {
+     $VALGRIND_SUPP_FILE = $srcdir . '/valgrind-suppressions-ssl';
+diff --git a/tests/Test-proxied-https-auth.px b/tests/Test-proxied-https-auth.px
+index ce4e736c..878114e7 100755
+--- a/tests/Test-proxied-https-auth.px
++++ b/tests/Test-proxied-https-auth.px
+@@ -152,7 +152,7 @@ my $cmdline = $WgetTest::WGETPATH . " --user=fiddle-dee-dee"
+     . " --password=Dodgson -e https_proxy=localhost:{{port}}"
+     . " --no-check-certificate"
+     . " https://no.such.domain/needs-auth.txt";
+-$cmdline =~ s/{{port}}/$SOCKET->sockport()/e;
++$cmdline =~ s/\Q{{port}}/$SOCKET->sockport()/e;
+ 
+ if (defined $srcdir) {
+     $VALGRIND_SUPP_FILE = $srcdir . '/valgrind-suppressions-ssl';
diff --git a/gnu/packages/wget.scm b/gnu/packages/wget.scm
index a73c68004d..58a1a4b885 100644
--- a/gnu/packages/wget.scm
+++ b/gnu/packages/wget.scm
@@ -1,6 +1,6 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2012 Nikita Karetnikov <nikita@karetnikov.org>
-;;; Copyright © 2014, 2015 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2014, 2015, 2017 Ludovic Courtès <ludo@gnu.org>
 ;;; Copyright © 2016, 2017 Efraim Flashner <efraim@flashner.co.il>
 ;;;
 ;;; This file is part of GNU Guix.
@@ -41,11 +41,23 @@
       (uri (string-append "mirror://gnu/wget/wget-"
                           version ".tar.xz"))
       (patches (search-patches "wget-CVE-2017-6508.patch"
-                               "wget-fix-504-test-timeout.patch"))
+                               "wget-fix-504-test-timeout.patch"
+                               "wget-perl-5.26.patch"))
       (sha256
        (base32
         "1ljcfhbkdsd0zjfm520rbl1ai62fc34i7c45sfj244l8f6b0p58c"))))
     (build-system gnu-build-system)
+    (arguments
+     '(#:phases (modify-phases %standard-phases
+                  (add-before 'check 'disable-https-tests
+                    (lambda _
+                      ;; XXX: Skip TLS tests, which fail with "The
+                      ;; certificate's owner does not match hostname" for
+                      ;; obscure reasons reported at:
+                      ;; <https://lists.gnu.org/archive/html/bug-wget/2017-06/msg00009.html>.
+                      (substitute* "testenv/Makefile"
+                        (("SSL_TESTS=1") ""))
+                      #t)))))
     (inputs
      `(("gnutls" ,gnutls)
        ("libidn2" ,libidn2)