Pelles C 8

"%npackd_package_binary%" /S /D=%CD%
if %errorlevel% neq 0 exit /b %errorlevel%

del /f /q "%npackd_package_binary%"
if %errorlevel% neq 0 exit /b %errorlevel%

uninst.exe /S _?=%CD%

/**
 * This function is available since 1.21.
 *
 * Removes an application silently by its title in the Control Panel "Software".
 *
 * @param re regular expression to match the program title
 *     Example: /my editor/i
 * @param silent true = use the silent command, false = use the normal removal command
 * @param bits64 true = search for 64 bit programs, false = search for 32 bit
 *     programs
 * @return true if the program was found and removed,
 *     false otherwise
 */
uninstallByTitle = function(re, silent, bits64) {
    var shell = WScript.CreateObject("WScript.Shell");
	var middle = "";
	if (L.is64bit()) {
		if (!bits64)
			middle = "Wow6432Node";
	}
    var keys = L.listRegistryKeys("HKEY_LOCAL_MACHINE\\SOFTWARE\\" + 
			middle + 
			"\\Microsoft\\Windows\\CurrentVersion\\Uninstall");
	var suffix = silent ? "QuietUninstallString": "UninstallString";
    for (var i = 0; i < keys.length; i++) {
		try {
			var dn = shell.RegRead(keys[i] + "\\DisplayName");
		} catch (e) {
			// ignore
			continue;
		}
        if (dn.match(re)) {
			var cmd = shell.ExpandEnvironmentStrings(
					shell.RegRead(keys[i] + "\\" + suffix));
			if (L.trim(cmd) !== "") {
				var r = L.exec(cmd);
				if (r[0] !== 0)
					throw new Error("The uninstall command failed with the exit code " + r[0]);
				return true;
			} else {
				throw new Error("Empty uninstall command found for " + dn);
			}
		}
    }
	
	return false;
};
uninstallByTitle(/Pelles C for Windows/i);