perl-5.16: make it binary deterministic

pkgs/development/interpreters/perl/5.16/default.nix

@@ -21,6 +21,9 @@ stdenv.mkDerivation rec {
   patches =
     [ # Do not look in /usr etc. for dependencies.
       ./no-sys-dirs.patch
+      ./no-impure-config-time.patch
+      ./fixed-man-page-date.patch
+      ./no-date-in-perl-binary.patch
     ]
     ++ optional stdenv.isSunOS  ./ld-shared.patch
     ++ stdenv.lib.optional stdenv.isDarwin [ ./cpp-precomp.patch ./no-libutil.patch ] ;
@@ -70,5 +73,31 @@ stdenv.mkDerivation rec {
 
   setupHook = ./setup-hook.sh;
 
+  doCheck = !stdenv.isDarwin;
+
+  # some network-related tests don't work, mostly probably due to our sandboxing
+  # man-heading.t is skipped due to output determinism (no dates)
+  testsToSkip = ''
+    lib/Net/hostent.t \
+    dist/IO/t/{io_multihomed.t,io_sock.t} \
+    dist/Net-Ping/t/*.t \
+    cpan/autodie/t/truncate.t \
+    t/porting/{maintainers.t,regen.t} \
+    cpan/Socket/t/get{name,addr}info.t \
+    cpan/podlators/t/man-heading.t \
+  '' + optionalString stdenv.isFreeBSD ''
+    cpan/CPANPLUS/t/04_CPANPLUS-Module.t \
+    cpan/CPANPLUS/t/20_CPANPLUS-Dist-MM.t \
+  '' + " ";
+
+  postPatch = optionalString (!stdenv.isDarwin) /* this failed on Darwin, no idea why */ ''
+    for test in ${testsToSkip}; do
+      echo "Removing test" $test
+      rm "$test"
+      pat=`echo "$test" | sed 's,/,\\\\/,g'` # just escape slashes
+      sed "/^$pat/d" -i MANIFEST
+    done
+  '';
+
   passthru.libPrefix = "lib/perl5/site_perl";
 }

pkgs/development/interpreters/perl/5.16/fixed-man-page-date.patch

@@ -0,0 +1,11 @@
+--- a/cpan/podlators/lib/Pod/Man.pm	2014-04-07 06:25:23.730505243 +0200
++++ b/cpan/podlators/lib/Pod/Man.pm	2014-04-07 06:26:40.816552603 +0200
+@@ -768,7 +768,7 @@
+     } else {
+         ($name, $section) = $self->devise_title;
+     }
+-    my $date = $$self{date} || $self->devise_date;
++    my $date = "1970-01-01"; # Fixed date for NixOS, orig: $$self{date} || $self->devise_date;
+     $self->preamble ($name, $section, $date)
+         unless $self->bare_output or DEBUG > 9;
+ 

pkgs/development/interpreters/perl/5.16/no-date-in-perl-binary.patch

@@ -0,0 +1,11 @@
+--- a/perl.c	2014-04-07 07:58:01.402831615 +0200
++++ b/perl.c	2014-04-07 07:59:38.556945298 +0200
+@@ -1754,7 +1754,7 @@
+     PUSHs(Perl_newSVpvn_flags(aTHX_ non_bincompat_options,
+ 			      sizeof(non_bincompat_options) - 1, SVs_TEMP));
+ 
+-#ifdef __DATE__
++#if 0
+ #  ifdef __TIME__
+     PUSHs(Perl_newSVpvn_flags(aTHX_
+ 			      STR_WITH_LEN("Compiled at " __DATE__ " " __TIME__),

pkgs/development/interpreters/perl/5.16/no-impure-config-time.patch

@@ -0,0 +1,11 @@
+--- a/Configure	2014-04-05 20:21:33.714635700 +0200
++++ b/Configure	2014-04-05 20:23:23.377441026 +0200
+@@ -3609,6 +3609,8 @@
+ 
+ : who configured the system
+ cf_time=`LC_ALL=C; LANGUAGE=C; export LC_ALL; export LANGUAGE; $date 2>&1`
++cf_time='Thu Jan  1 00:00:00 UTC 1970'
++
+ case "$cf_by" in
+ "")
+ 	cf_by=`(logname) 2>/dev/null`