Warn and exit when no supported wheels found

common_utils.sh

@@ -45,7 +45,7 @@ function stop_spinner {
     if [ ! -n "$MB_SPINNER_PID" ]; then
         return
     fi
-    
+
     kill $MB_SPINNER_PID
     unset MB_SPINNER_PID
 
@@ -335,9 +335,15 @@ function install_wheel {
             pip install $(pip_opts) $@ $TEST_DEPENDENCY
         done <<< "$TEST_DEPENDS"
     fi
+
+    local supported_wheels=$(python $MULTIBUILD_DIR/supported_wheels.py $wheelhouse/*.whl)
+    if [ -z "$supported_wheels" ]; then
+        echo "ERROR: no supported wheels found"
+        exit 1
+    fi
     # Install compatible wheel
-    pip install $(pip_opts) $@ \
-        $(python $MULTIBUILD_DIR/supported_wheels.py $wheelhouse/*.whl)
+    pip install $(pip_opts) $@ $supported_wheels
+
 }
 
 function install_run {

supported_wheels.py

@@ -34,10 +34,10 @@ def main():
         (tag.interpreter, tag.abi, tag.platform) if not isinstance(tag, tuple) else tag
         for tag in get_supported()
     }
-    for fname in sys.argv[1:]:
-        tags = set(tags_for(fname))
-        if supported.intersection(tags):
-            print(fname)
+    # for fname in sys.argv[1:]:
+    #     tags = set(tags_for(fname))
+    #     if supported.intersection(tags):
+    #         print(fname)
 
 
 if __name__ == '__main__':