kc3-lang/libffi

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 1373a17..8f02eb0 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -97,6 +97,7 @@ jobs:
           packages: wget gcc-core make dejagnu automake autoconf libtool texinfo dos2unix unzip
 
       - run: |
+          set -x
           cd $(cygpath $RUNNER_WORKSPACE)/libffi
           wget https://rl.gl/cli/rlgl-windows-amd64.zip
           unzip rlgl-windows-amd64.zip