Update build scripts with ethernet support

sdkconfig_compare.js

@@ -0,0 +1,104 @@
+//https://github.com/nkolban/esp32-snippets/blob/master/tools/sdkconfig_compare/sdkconfig_compare.js
+// Node.js application for comparing two ESP-IDF configuration files (sdkconfig)
+const fs = require("fs");            // Require the file system processing library
+const readline = require("readline");      // Require the readline processing library
+
+// buildMap
+// Read the sdkconfig file specified by fileName and produce a map of the name/value pairs contained
+// within.  A Promise is returned that is fulfilled when the file has been read.
+function buildMap(fileName) {
+	const promise = new Promise(function (resolve, reject) {
+		var readStream = fs.createReadStream(fileName);
+		readStream.on("error", (err) => {
+			reject(err);
+		});
+		const map = {};
+
+		const lineReader = readline.createInterface({
+			input: readStream,
+			crlfDelay: Infinity
+		});
+
+		// Called when a new line has been read from the file.
+		lineReader.on("line", (line) => {
+			line = line.trim();              // Trim whitespace from the line.
+
+			if (line.length == 0) {          // Ignore empty lines
+				return;
+			}
+			if (line.startsWith("#")) {      // Ignore comment lines
+				return;
+			}
+
+			const parts = line.split("=");   // Split the line into parts separated by the '=' character.
+			if (map.hasOwnProperty(parts[0])) {
+				console.log(`Odd ... we found ${parts[0]} twice.`);
+			}
+			map[parts[0]] = parts[1];        // Populate the map element.
+		}); // on(line)
+
+		// Called when all the lines from the file have been consumed.
+		lineReader.on("close", () => {
+			resolve(map);
+		}); // on(close)
+
+	});
+	return promise;
+} // buildMap
+
+
+const args = process.argv;
+if (args.length != 4) {
+	console.log("Usage: node sdkconfig_compare file1 file2");
+	process.exit();
+}
+const file1 = args[2];
+const file2 = args[3];
+buildMap(file1).then((result) => {
+	buildMap(file2).then((result2) => {
+		buildMap("./sdkconfig.defaults").then((result3) => {
+
+			// Three passes
+			// In A and not B
+			// in B and not A
+			// value different in A and B
+			console.log(`\n\n${file1} properties that are missing in ${file2}\n**************************`);
+			for (const prop in result) {
+				if (result.hasOwnProperty(prop)) {
+					if (!result2.hasOwnProperty(prop) && !result3.hasOwnProperty(prop)) {
+						console.log(`${prop}=${result[prop]}`);
+					}
+				}
+			}
+			console.log(`\n\n${file2} properties that are missing in ${file1}\n**************************`);
+			for (const prop in result2) {
+				if (result2.hasOwnProperty(prop)) {
+					if (!result.hasOwnProperty(prop) && !result3.hasOwnProperty(prop)) {
+						console.log(`${prop}=${result2[prop]}`);
+					}
+				}
+			}
+			console.log(`\n\nproperties that are different between the 2 files \n**************************`);
+			for (const prop in result) {
+				if (result.hasOwnProperty(prop)) {
+					if (result2.hasOwnProperty(prop)) {
+						if (result[prop] != result2[prop]) {
+							console.log(`${prop} : [${result[prop]}] != [${result2[prop]}]`);
+						}
+					}
+				}
+			}
+
+		}).catch((err) => {
+			console.log(err);
+			process.exit();
+		});
+	}).catch((err) => {
+		console.log(err);
+		process.exit();
+	});
+}).catch((err) => {
+	console.log(err);
+	process.exit();
+}
+);