From 024c08f3adaa384577fdc6fd2fe9de71beea5814 Mon Sep 17 00:00:00 2001
From: Christoph Helma <helma@in-silico.ch>
Date: Thu, 7 Apr 2016 17:54:46 +0200
Subject: check if R packages are correctly installed

---
 ext/lazar/extconf.rb | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'ext')

diff --git a/ext/lazar/extconf.rb b/ext/lazar/extconf.rb
index a577baa..0e607f3 100644
--- a/ext/lazar/extconf.rb
+++ b/ext/lazar/extconf.rb
@@ -19,6 +19,9 @@ FileUtils.mkdir_p File.join(main_dir,"bin") # for Rserve binary
 rinstall = File.expand_path(File.join(File.dirname(__FILE__),"rinstall.R"))
 puts `Rscript --vanilla #{rinstall} #{r_dir}`
 
+r_libs = Dir[File.join(r_dir,"*")].collect{|l| l.sub(r_dir, '').sub('/','')}.sort
+abort "Failed to install R packages." unless r_libs == ["caret","doMC","foreach","ggplot2","gridExtra","iterators","pls"].sort
+
 # create a fake Makefile
 File.open(File.join(File.dirname(__FILE__),"Makefile"),"w+") do |makefile|
   makefile.puts "all:\n\ttrue\n\ninstall:\n\ttrue\n"
-- 
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