share/qbs/imports/qbs/Probes/PkgConfigProbe.qbs


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import qbs 1.0
import qbs.Process
import qbs.FileInfo

Probe {
    // Inputs
    property string executable: 'pkg-config'
    property string name
    property string minVersion
    property string exactVersion
    property string maxVersion

    // Output
    property stringList cflags
    property stringList libs

    configure: {
        if (!name)
            throw '"name" must be specified';
        var p = new Process();
        try {
            var args = [ name ];
            if (minVersion !== undefined)
                args.push(name + ' >= ' + minVersion);
            if (exactVersion !== undefined)
                args.push(name + ' = ' + exactVersion);
            if (maxVersion !== undefined)
                args.push(name + ' <= ' + maxVersion);
            if (p.exec(executable, args.concat([ '--cflags' ])) === 0) {
                cflags = p.readStdOut().trim();
                if (cflags === "")
                    cflags = undefined;
                else
                    cflags = cflags.split(/\s/);
                if (p.exec(executable, args.concat([ '--libs' ])) === 0) {
                    libs = p.readStdOut().trim();
                    if (libs === "")
                        libs = undefined;
                    else
                        libs = libs.split(/\s/);
                    found = true;
                    print("PkgConfigProbe: found library " + name);
                    return;
                }
            }
            found = false;
            cflags = undefined;
            libs = undefined;
        } finally {
            p.close();
        }
    }
}