* Cygwin: provide a Perl setup hook so that Perl dependencies work

properly.

svn path=/nixpkgs/trunk/; revision=34002

pkgs/development/interpreters/perl/sys-perl/default.nix

@@ -0,0 +1,15 @@
+{ stdenv }:
+
+stdenv.mkDerivation {
+  name = "perl";
+
+  unpackPhase = "true";
+  
+  installPhase =
+    ''
+      mkdir -p $out/bin
+      ln -s /usr/bin/perl $out/bin
+    '';
+
+  setupHook = ./setup-hook.sh;
+}

pkgs/development/interpreters/perl/sys-perl/setup-hook.sh

@@ -0,0 +1,5 @@
+addPerlLibPath () {
+    addToSearchPath PERL5LIB $1/lib/perl5/site_perl/5.10/i686-cygwin
+}
+
+envHooks=(${envHooks[@]} addPerlLibPath)

pkgs/development/interpreters/sys-perl/builder.sh

@@ -1,4 +0,0 @@
-source $stdenv/setup
-mkdir $out
-mkdir $out/bin
-ln -s /usr/bin/perl $out/bin

pkgs/development/interpreters/sys-perl/default.nix

@@ -1,6 +0,0 @@
-{stdenv}:
-
-stdenv.mkDerivation {
-  name = "perl";
-  builder = ./builder.sh;
-}

pkgs/top-level/all-packages.nix

@@ -2816,7 +2816,7 @@ let
   spidermonkey_1_8_0rc1 = callPackage ../development/interpreters/spidermonkey/1.8.0-rc1.nix { };
   spidermonkey_185 = callPackage ../development/interpreters/spidermonkey/185-1.0.0.nix { };
 
-  sysPerl = callPackage ../development/interpreters/sys-perl { };
+  sysPerl = callPackage ../development/interpreters/perl/sys-perl { };
 
   tcl = callPackage ../development/interpreters/tcl { };