build alt version of GSL with dynamic support

Makefile.PL

@@ -13,20 +13,28 @@ my %WriteMakefileArgs = (
   "CONFIGURE_REQUIRES" => {
     "Alien::Build" => "2.21",
     "Alien::Build::MM" => "2.21",
-    "ExtUtils::MakeMaker" => "6.52"
+    "ExtUtils::MakeMaker" => "6.52",
+    "Path::Tiny" => 0,
+    "Alien::Build::Plugin::Gather::Dino" => 0,
   },
   "DISTNAME" => "Alien-GSL",
   "LICENSE" => "perl",
   "NAME" => "Alien::GSL",
   "PREREQ_PM" => {
     "Alien::Base" => "2.21",
+    "Role::Tiny" => 0,
+    "Alien::Role::Dino" => 0,
   },
   "TEST_REQUIRES" => {
     "ExtUtils::MakeMaker" => "6.52",
     "Test2::V0" => 0,
     "Test::Alien" => 0,
     "Test::Alien::Diag" => 0,
   },
+  "BUILD_REQUIRES" => {
+    "Path::Tiny" => 0,
+    "Alien::Build::Plugin::Gather::Dino" => 0,
+  },
   "VERSION_FROM" => "lib/Alien/GSL.pm",
   "test" => {
     "TESTS" => "t/*.t"

alienfile

@@ -1,7 +1,12 @@
 use alienfile;
+use Path::Tiny qw( path );
 
 plugin 'PkgConfig' => (pkg_name => 'gsl');
 
+configure {
+  requires 'Path::Tiny';
+};
+
 share {
   start_url 'https://ftp.gnu.org/gnu/gsl';
   plugin Download => (
@@ -11,5 +16,20 @@ share {
   );
   plugin Extract => 'tar.gz';
   plugin 'Build::Autoconf';
+
+  build [
+    '%{configure} --enable-shared --enable-static',
+    '%{make}',
+    '%{make} install',
+  ];
+
   plugin 'Gather::IsolateDynamic';
+  plugin 'Gather::Dino';
+
+  after 'gather' => sub {
+    my($build) = @_;
+    my $pc = path("lib/pkgconfig/gsl.pc")->slurp;
+    $pc =~ s/\/lib/\/dynamic/g;
+    path("lib/pkgconfig/gsl-dynamic.pc")->spew($pc);
+  };
 };

lib/Alien/GSL.pm

@@ -8,6 +8,23 @@ our $VERSION = '1.07';
 
 use base 'Alien::Base';
 
+sub alt
+{
+  my($self, $name) = @_;
+
+  return $self if $self->install_type eq 'system';
+
+  my $new = $self->SUPER::alt($name);
+
+  if($name eq 'gsl-dynamic')
+  {
+    require Role::Tiny;
+    Role::Tiny->apply_roles_to_object($new, 'Alien::Role::Dino');
+  }
+
+  $new;
+}
+
 1;
 
 =head1 NAME