From b72183ba65d475a5003658d05265e0b8457649ad Mon Sep 17 00:00:00 2001
From: Sorin Ionescu <sorin.ionescu@gmail.com>
Date: Sun, 28 Aug 2011 15:29:56 -0400
Subject: [PATCH] Added local CPAN module installation for Mac OS X.

---
 plugins/perl/perl.plugin.zsh | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/plugins/perl/perl.plugin.zsh b/plugins/perl/perl.plugin.zsh
index 05f2a22..7adad86 100644
--- a/plugins/perl/perl.plugin.zsh
+++ b/plugins/perl/perl.plugin.zsh
@@ -1,3 +1,38 @@
+# For Perl older than 5.10.14, install local::lib.
+#   curl -L -C - -O http://search.cpan.org/CPAN/authors/id/A/AP/APEIRON/local-lib-1.008004.tar.gz
+#   tar xvf local-lib-1.008004.tar.gz
+#   cd local-lib-1.008004
+#   perl Makefile.PL --bootstrap=$HOME/Library/Perl/5.12
+#   make && make test && make install
+#
+# Install cpanminus:
+#   curl -L http://cpanmin.us | perl - --self-upgrade
+#
+if [[ "$OSTYPE" == darwin* ]]; then
+  # Perl is slow; cache its output.
+  cache_file="${0:h}/cache.zsh"
+  perl_path="$HOME/Library/Perl/5.12"
+  if [[ -f "$perl_path/lib/perl5/local/lib.pm" ]]; then
+    export MANPATH="$perl_path/man:$MANPATH"
+    if [[ ! -f "$cache_file" ]]; then
+      perl -I$perl_path/lib/perl5 -Mlocal::lib=$perl_path >! "$cache_file"
+      source "$cache_file"
+    else
+      source "$cache_file"
+    fi
+  fi
+  unset perl_path
+  unset cache_file
+fi
+
+# Set environment variables for launchd processes.
+if [[ "$OSTYPE" == darwin* ]]; then
+  for env_var in PERL_LOCAL_LIB_ROOT PERL_MB_OPT PERL_MM_OPT PERL5LIB; do
+    launchctl setenv "$env_var" "${(P)env_var}" &!
+  done
+  unset env_var
+fi
+
 # Aliases
 alias pbi='perlbrew install'
 alias pbl='perlbrew list'