Merge pull request #2406 from swiftwasm/maxd/pip3-install

Use `pip3` when `pip` is absent in macOS deps script

Author: MaxDesiatov

utils/webassembly/macos/install-dependencies.sh

@@ -2,7 +2,14 @@
 
 set -ex
 
-pip install six
+if ! command -v pip &> /dev/null
+then
+  PIP_COMMAND=pip3
+else
+  PIP_COMMAND=pip
+fi
+
+$PIP_COMMAND install six
 
 brew install cmake ninja llvm sccache