Add fmt sample, and temp hack to hopefully make the ninja generator w…

…ork on macOS.

.github/workflows/build.yml

@@ -234,8 +234,11 @@ jobs:
               popd
             fi
 
-            haxe -hl out/main.c -cp other/tests -main HelloWorld -D hlgen.makefile=ninja
-            out/main
+            haxe -hl out/helloworld/main.c -cp other/tests -main HelloWorld -D hlgen.makefile=ninja
+            out/helloworld/main
+
+            haxe -hl out/fmtsample/main.c -cp other/fmtsample -main FmtSample -D hlgen.makefile=ninja
+            out/fmtsample/main
             ;;
         esac
 

other/fmtsample/FmtSample.hx

@@ -0,0 +1,10 @@
+function main() {
+	var out = haxe.io.Bytes.alloc(16);
+	var src = haxe.io.Bytes.ofString("Hello World!");
+	hl.Format.digest(out.getData(), src.getData(), src.length, 0 /* md5 */);
+	final expected = "ed076287532e86365e841e92bfc50d8c";
+	final got = out.toHex();
+	if (got != expected) {
+		throw 'expected $expected, got $got';
+	}
+}

other/haxelib/Run.hx

@@ -60,8 +60,8 @@ class NinjaGenerator {
 				gen.bind('cflags', '$opt_flag -std=c11 -DHL_MAKE -Wall -I. -pthread');
 				final libflags = config.libs.map((lib) -> switch lib {
 					case "std": "-lhl";
-					case "uv": '-l:$lib.hdll -luv';
-					case var lib: '-l:$lib.hdll';
+					case "uv": '/usr/local/lib/$lib.hdll -luv';
+					case var lib: '/usr/local/lib/$lib.hdll';
 				}).join(' ');
 				gen.bind('ldflags', '-pthread -lm -L/usr/local/lib $libflags $rpath');
 				gen.rule('cc', [