make this work with non-gnu version of find
diff --git a/Makefile b/Makefile
index 133b6fb..36f73ef 100644
--- a/Makefile
+++ b/Makefile
@@ -34,10 +34,10 @@
 LOXI_OUTPUT_DIR = loxi_output
 
 # Generated files depend on all Loxi code and input files
-LOXI_PY_FILES=$(shell find \( -name loxi_output -prune \
+LOXI_PY_FILES=$(shell find . \( -name loxi_output -prune \
                              -o -name templates -prune \
                              -o -name tests -prune \
-                             -o -true \
+                             -o -name '*' \
                            \) -a -name '*.py')
 LOXI_TEMPLATE_FILES=$(shell find */templates -type f -a \
                                  \! \( -name '*.cache' -o -name '.*' \))