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-rw-r--r--ext/lazar/extconf.rb4
1 files changed, 3 insertions, 1 deletions
diff --git a/ext/lazar/extconf.rb b/ext/lazar/extconf.rb
index 0e607f3..d3d2756 100644
--- a/ext/lazar/extconf.rb
+++ b/ext/lazar/extconf.rb
@@ -20,7 +20,9 @@ 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
+["caret","doMC","foreach","ggplot2","gridExtra","iterators","pls"].each do |lib|
+ abort "Failed to install R package '#{lib}'." unless r_libs.include?(lib)
+end
# create a fake Makefile
File.open(File.join(File.dirname(__FILE__),"Makefile"),"w+") do |makefile|