configure.js
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/* Configure script for modbus.dll, specific for Windows with Scripting Host.
*
* Inspired by configure.js from libxml2
*
* oldfaber < oldfaber _at_ gmail _dot_ com >
*
*/
/* The source directory, relative to the one where this file resides. */
var srcDir = "..";
/* Base name of what we are building. */
var baseName = "modbus";
/* Configure file template and output file */
var configFile = srcDir + "\\..\\configure.ac";
/* Input and output files for the modbus-version.h include */
var newfile;
/* Version strings for the binary distribution. Will be filled later in the code. */
var verMajor;
var verMinor;
var verMicro;
/* modbus features. */
var dryRun = false;
/* Win32 build options. NOT used yet */
var compiler = "msvc";
/* Local stuff */
var error = 0;
/* Filename */
var newFile;
/* Displays the details about how to use this script. */
function usage() {
var txt;
txt = "Usage:\n";
txt += " cscript " + WScript.ScriptName + " <options>\n";
txt += " cscript " + WScript.ScriptName + " help\n\n";
txt += "Options can be specified in the form <option>=<value>, where the value is\n";
txt += "either 'yes' or 'no', if not stated otherwise.\n\n";
txt += "\nModbus library configure options, default value given in parentheses:\n\n";
txt += " dry-run: Run configure without creating files (" + (dryRun ? "yes" : "no") + ")\n";
txt += "\nWin32 build options, default value given in parentheses:\n\n";
txt += " compiler: Compiler to be used [msvc|mingw] (" + compiler + ")\n";
WScript.Echo(txt);
}
/* read the version from the configuration file */
function readVersion() {
var fso, cf, ln, s;
fso = new ActiveXObject("Scripting.FileSystemObject");
cf = fso.OpenTextFile(configFile, 1);
while (cf.AtEndOfStream !== true) {
ln = cf.ReadLine();
s = new String(ln);
if (s.search(/^m4_define\(\[libmodbus_version_major/) != -1) {
verMajor = s.substr(s.indexOf(",") + 3, 1);
} else if (s.search(/^m4_define\(\[libmodbus_version_minor/) != -1) {
verMinor = s.substr(s.indexOf(",") + 3, 1);
} else if (s.search(/^m4_define\(\[libmodbus_version_micro/) != -1) {
verMicro = s.substr(s.indexOf(",") + 3, 1);
}
}
cf.Close();
}
/* create the versioned file */
function createVersionedFile(newfile, unversioned) {
var fso, ofi, of, ln, s;
fso = new ActiveXObject("Scripting.FileSystemObject");
ofi = fso.OpenTextFile(unversioned, 1);
if (!dryRun) {
of = fso.CreateTextFile(newfile, true);
}
while (ofi.AtEndOfStream !== true) {
ln = ofi.ReadLine();
s = new String(ln);
if (!dryRun && s.search(/\@LIBMODBUS_VERSION_MAJOR\@/) != -1) {
of.WriteLine(s.replace(/\@LIBMODBUS_VERSION_MAJOR\@/, verMajor));
} else if (!dryRun && s.search(/\@LIBMODBUS_VERSION_MINOR\@/) != -1) {
of.WriteLine(s.replace(/\@LIBMODBUS_VERSION_MINOR\@/, verMinor));
} else if (!dryRun && s.search(/\@LIBMODBUS_VERSION_MICRO\@/) != -1) {
of.WriteLine(s.replace(/\@LIBMODBUS_VERSION_MICRO\@/, verMicro));
} else if (!dryRun && s.search(/\@LIBMODBUS_VERSION\@/) != -1) {
of.WriteLine(s.replace(/\@LIBMODBUS_VERSION\@/, verMajor + "." + verMinor + "." + verMicro));
} else {
if (!dryRun) {
of.WriteLine(ln);
}
}
}
ofi.Close();
if (!dryRun) {
of.Close();
}
}
/*
* main(),
* Execution begins here.
*/
// Parse the command-line arguments.
for (i = 0; (i < WScript.Arguments.length) && (error === 0); i++) {
var arg, opt;
arg = WScript.Arguments(i);
opt = arg.substring(0, arg.indexOf("="));
if (opt.length > 0) {
if (opt == "dry-run") {
var str = arg.substring(opt.length + 1, arg.length);
if (opt == 1 || opt == "yes") {
dryRun = true;
}
} else if (opt == "compiler") {
compiler = arg.substring(opt.length + 1, arg.length);
} else {
error = 1;
}
} else if (i === 0) {
if (arg == "help") {
usage();
WScript.Quit(0);
}
} else {
error = 1;
}
}
// If we fail here, it is because the user supplied an unrecognised argument.
if (error !== 0) {
usage();
WScript.Quit(error);
}
// Read the the version.
readVersion();
if (error !== 0) {
WScript.Echo("Version discovery failed, aborting.");
WScript.Quit(error);
}
newfile = srcDir + "\\modbus-version.h";
createVersionedFile(newfile, srcDir + "\\modbus-version.h.in");
if (error !== 0) {
WScript.Echo("Creation of " + newfile + " failed, aborting.");
WScript.Quit(error);
}
newfile = "modbus.dll.manifest";
createVersionedFile(newfile, "modbus.dll.manifest.in");
if (error !== 0) {
WScript.Echo("Creation of " + newfile + " failed, aborting.");
WScript.Quit(error);
}
newfile = "config.h";
createVersionedFile(newfile, "config.h.win32");
if (error !== 0) {
WScript.Echo("Creation of " + newfile + " failed, aborting.");
WScript.Quit(error);
}
WScript.Echo("\nLibmodbus configuration completed\n");