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.

1 files changed, 96 insertions, 0 deletions

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';