read variables from argv

src/BBParser.cc

 	doAssignment();
 }
 
+void BBParser::parseList(const BBVariables &vars, std::vector<std::string> &values) {
+	while (true) {
+		skipWhitespace();
+		std::string value;
+		if (!parseString(vars, value)) {
+			break;
+		}
+
+		values.push_back(std::move(value));
+	}
+}
+
 void BBWriter::put(char ch) {
 	ch_ += 1;
 	stream_ << ch;

src/BBParser.h

 		flags_(flags), line_(line), ch_(ch), stream_(stream) {}
 
 	void parse(BBVariables &vars);
+	void parseList(const BBVariables &vars, std::vector<std::string> &values);
 
 	int peek() { return stream_.peek(); }
 	int peek2() { stream_.get(); int ch = peek(); stream_.unget(); return ch; }

src/main.cc

 //#bb ldlibs := -lpthread
 
 #include <getopt.h>
+#include <string.h>
 #include <iostream>
 #include <fstream>
+#include <sstream>
 
 #include "BBParser.h"
 #include "parallel.h"
 		sys::chdir(workDir);
 	}
 
-	// Read everything related to the build configuration,
-	// finding all source files and reading their configs
+	// Read non-option arguments (variable definitions and args)
 	std::vector<std::string> args;
+	BBVariables vars;
 	while (optind < argc) {
-		args.push_back(argv[optind++]);
+		char *arg = argv[optind++];
+		char *eq = strchr(arg, '=');
+		if (eq == nullptr) {
+			args.push_back(arg);
+		} else {
+			std::stringstream ss(eq + 1);
+			BBParser parser(ss, BBParser::FLAG_NONE);
+			parser.parseList(vars, vars[std::string(arg, eq - arg)]);
+		}
 	}
 
-	// TODO: Parse variables from CLI
-	BBVariables vars;
-
 	std::unique_ptr<DepNode> root = buildDepTree(outDir, vars);
 	if (root == nullptr) {
 		logger::log("No source files.");