Add alternative instructions for Homebrew users.

JasonLunn · JasonLunn · commit 557f6fbfc849 · 2022-03-16T13:48:15.000-04:00
diff --git a/src/README.md b/src/README.md
@@ -129,6 +129,10 @@ Mac installations.
 
     sudo /opt/local/bin/port install autoconf automake libtool
 
+Alternative for Homebrew users:
+
+    brew intall autoconf automake libtool
+
 Then follow the Unix instructions above.
 
 **Note for cross-compiling**
