diff --git a/.github/workflows/build-all.yaml b/.github/workflows/build-all.yaml
index a53a28fa..5511c2e5 100644
--- a/.github/workflows/build-all.yaml
+++ b/.github/workflows/build-all.yaml
@@ -80,6 +80,10 @@ jobs:
         with:
           python-version: '3.10'
 
+      - name: install autotools
+        run: |
+          brew install autoconf automake libtool
+
       - uses: actions/checkout@v4
 
       - uses: actions/download-artifact@v4
@@ -122,6 +126,10 @@ jobs:
         with:
           python-version: '3.10'
 
+      - name: install autotools
+        run: |
+          brew install autoconf automake libtool
+
       - uses: actions/checkout@v4
 
       - uses: actions/download-artifact@v4
diff --git a/samples/clock/build.sh b/samples/clock/build.sh
index b3116b54..35301cfc 100755
--- a/samples/clock/build.sh
+++ b/samples/clock/build.sh
@@ -15,7 +15,7 @@ wasmFlags=(--target=wasm32 \
   -I "$ORCA_DIR"/src/ext)
 
 # build sample as wasm module and link it with the orca module
-clang -v "${wasmFlags[@]}" -L "$ORCA_DIR"/bin -lorca_wasm -o module.wasm src/main.c
+clang "${wasmFlags[@]}" -L "$ORCA_DIR"/bin -lorca_wasm -o module.wasm src/main.c
 
 # create app directory and copy files into it
 orca bundle --name Clock --icon icon.png --resource-dir data module.wasm