1 files changed, 7 insertions, 3 deletions
diff --git a/lib/efl.rb b/lib/efl.rb
index ab8322b..cf946b3 100644
--- a/lib/efl.rb
+++ b/lib/efl.rb
@@ -6,9 +6,13 @@ module Efl
     #
     VERSION = '0.0.8'
     #
-    PACKAGE_BIN_DIR = File.join `pkg-config --variable=exec_prefix ecore`.strip, 'bin'
-    PACKAGE_LIB_DIR = File.join `pkg-config --variable=exec_prefix ecore`.strip, 'lib'
-    PACKAGE_DATA_DIR = File.join `pkg-config --variable=exec_prefix ecore`.strip, 'share'
+    PREFIX=`pkg-config --variable=exec_prefix ecore`.strip
+    if PREFIX.empty?
+        puts "unable to determine Efl::PREFIX using pkg-config"
+    end
+    PACKAGE_BIN_DIR = File.join PREFIX, 'bin'
+    PACKAGE_LIB_DIR = File.join PREFIX, 'lib'
+    PACKAGE_DATA_DIR = File.join PREFIX, 'share'
     #
     autoload :EcoreEvas,    './lib/efl/ecore_evas.rb'
     autoload :EcoreGetopt,  './lib/efl/ecore_getopt.rb'