2 files changed, 12 insertions, 1 deletions

diff --git a/.gitignore b/.gitignore
index 9f8eda2..41ee785 100644
--- a/.gitignore
+++ b/.gitignore
@@ -37,3 +37,6 @@ src/Makefile
 TODO.txt
 
 *.o
+
+cataract-*.tar*
+sample/src.tar.gz
diff --git a/sample/Makefile.am b/sample/Makefile.am
index 1ab712f..95f430d 100644
--- a/sample/Makefile.am
+++ b/sample/Makefile.am
@@ -2,5 +2,13 @@ NULL =
 
 EXTRA_DIST = \
 	gen.sh		\
-	src		\
 	$(NULL)
+
+SRC_TARBALL = src.tar.gz
+
+all:
+	if [[ ! -d src && -f ${SRC_TARBALL} ]] ; then tar -xvzf ${SRC_TARBALL}; fi
+
+
+dist-hook:
+	if [[ -d src ]]; then tar -cvzf $(distdir)/${SRC_TARBALL} src; fi