qBittorrent/qcm/libboost.qcm

/*
-----BEGIN QCMOD-----
name: libboost
arg: with-libboost-inc=[path], Path to libboost include files
arg: with-libboost-lib=[path], Path to libboost library files
-----END QCMOD-----
*/
#include <boost/version.hpp>
#include <libtorrent/version.hpp>

class qc_libboost : public ConfObj
{
public:
  qc_libboost(Conf *c) : ConfObj(c) {}
  QString name() const { return "libboost"; }
  QString shortname() const { return "libboost"; }

  QString findBoostLib(QString path, QString lib) const {
    QString name;
    QDir libDir(path);
    QStringList filters;
    filters << "libboost_"+lib+"*-mt*.so";
    QStringList result = libDir.entryList(filters, QDir::Files);
    if(!result.empty()) {
      name = result.first().mid(3);
      // Remove .so
      name.chop(3);
    } else {
      // Fall back to non -mt boost lib
      filters.clear();
      filters << "libboost_"+lib+"*.so";
      result = libDir.entryList(filters, QDir::Files);
      if(!result.empty()) {
        name = result.first().mid(3);
        // Remove .so
        name.chop(3);
      }
    }
    return name;
  }

  bool exec(){
    QStringList sl;
    QString s = conf->getenv("QC_WITH_LIBBOOST_INC");
    if (!s.isEmpty())
      sl << s;
    sl << "/usr/include";
    sl << "/usr/local/include";
    bool found = false;
    foreach (s, sl) {
      if (conf->checkHeader(s, "boost/format.hpp")
#if LIBTORRENT_VERSION_MAJOR == 0 && LIBTORRENT_VERSION_MINOR < 16
          && conf->checkHeader(s, "boost/filesystem/path.hpp")
#endif
         ) {
        found = true;
        break;
      }
    }
    if (!found)
      return false;

    conf->addIncludePath(s);

    // Find library
    s = conf->getenv("QC_WITH_LIBBOOST_LIB");
    QStringList required_libs;
#if BOOST_VERSION >= 103500
      required_libs << "system"; 
#endif
#if LIBTORRENT_VERSION_MAJOR == 0 && LIBTORRENT_VERSION_MINOR < 16
    required_libs << "filesystem" ;
#endif
    required_libs << "thread";
    QStringList libDirs;
    if (!s.isEmpty())
      libDirs << s;
    libDirs << "/usr/lib/" << "/usr/lib64/" << "/usr/local/lib/" << "/usr/local/lib64/";

    foreach(const QString& lib, required_libs) {
      bool found = false;
      foreach(const QString& libDir, libDirs) {
        QString detected_name = findBoostLib(libDir, lib);
        if(!detected_name.isEmpty()) {
          conf->addLib("-l"+detected_name);
          found = true;
          break;
        }
      }
      if(!found) {
        printf("Could not find boost %s library!\n", qPrintable(lib));
        return false;
      }
    }
    return true;
  }
};