kc3-lang/libffi

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 65829c7..e74bc27 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -117,6 +117,7 @@ jobs:
 
       - run: |
           set -x
+          set +e
           wget -qO - https://ftpmirror.gnu.org/autoconf/autoconf-2.71.tar.gz | tar -xvzf -
           mkdir -p ~/i
           (cd autoconf-2.71; ./configure --prefix=$HOME/i; make; make install)