kc3-lang/libffi

diff --git a/.travis.yml b/.travis.yml
index 8915ef9..34c09a0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -28,6 +28,8 @@ install:
 script:
   - if ! test x"$MEVAL" = x; then eval ${MEVAL}; fi
   - ./autogen.sh
+  - ls -l m4
+  - cat ./configure
   - ./configure ${HOST+--host=$HOST} ${CONFIGURE_OPTIONS}
   - make
   - make dist