Requires ghostscript too

2011-11-28 16:45:29 -06:00
parent f0fa42a50e
commit f3e8cbf41d
1 changed files with 4 additions and 0 deletions
@@ -40,6 +40,10 @@ module Gollum
      if `which convert` == ""
        raise Error, "`convert` command not found"
      end
+
+      if `which gs` == ""
+        raise Error, "`gs` command not found"
+      end
    end

    def self.render_formula(formula)