1 files changed, 3 insertions, 0 deletions
diff --git a/acprep b/acprep
index 1faeb4f6..f9fb74d7 100755
--- a/acprep
+++ b/acprep
@@ -875,6 +875,9 @@ class PrepareBuild(CommandLineApp):
         if self.options.boost_include:
             conf_args.append('-DBOOST_INCLUDEDIR=%s' %
                              self.options.boost_include)
+        if self.options.build_dir:
+            conf_args.append('-DBUILD_DIR=%s' %
+                             self.options.build_dir)
 
         if self.prefix_directory():
             conf_args.append('-DCMAKE_INSTALL_PREFIX=%s' % self.prefix_directory())