Index: src/rip/videodvd/k3bvideodvdrippingwidget.cpp
===================================================================
--- src/rip/videodvd/k3bvideodvdrippingwidget.cpp	(revision 958507)
+++ src/rip/videodvd/k3bvideodvdrippingwidget.cpp	(working copy)
@@ -26,7 +26,10 @@
 #include <kurllabel.h>
 #include <kdialog.h>
 #include <klineedit.h>
+#include <kdeversion.h>
+#if KDE_IS_VERSION(4,2,0)
 #include <KDiskFreeSpaceInfo>
+#endif
 
 #include <qcombobox.h>
 #include <qspinbox.h>
@@ -255,10 +258,17 @@
         path.truncate( path.lastIndexOf('/') );
 
     QPalette pal( m_labelFreeSpace->palette() );
+#if KDE_IS_VERSION(4,2,0)
     KDiskFreeSpaceInfo free = KDiskFreeSpaceInfo::freeSpaceInfo( path );
     if( free.isValid() ) {
         m_labelFreeSpace->setText( KIO::convertSizeFromKiB(free.available()) );
         if( free.available() < m_neededSize/1024 )
+#else
+    unsigned long size, avail;
+    if( K3b::kbFreeOnFs( path, size, avail ) ) {
+        m_labelFreeSpace->setText( KIO::convertSizeFromKiB(avail) );
+        if( avail < m_neededSize/1024 )
+#endif
             pal.setColor( QPalette::Text, Qt::red );
         else
             pal.setColor( QPalette::Text, palette().color( QPalette::Text ) );
Index: libk3b/core/k3bglobals.cpp
===================================================================
--- libk3b/core/k3bglobals.cpp	(revision 958522)
+++ libk3b/core/k3bglobals.cpp	(working copy)
@@ -33,7 +33,17 @@
 #include <kio/netaccess.h>
 #include <kurl.h>
 #include <kprocess.h>
+#if KDE_IS_VERSION(4,2,0)
 #include <KDiskFreeSpaceInfo>
+#else
+#include <sys/stat.h>
+#ifdef HAVE_SYS_STATVFS_H
+#  include <sys/statvfs.h>
+#endif
+#ifdef HAVE_SYS_VFS_H
+#  include <sys/vfs.h>
+#endif
+#endif
 
 #include <kmountpoint.h>
 #include <Solid/Device>
@@ -209,6 +219,7 @@
 
 bool K3b::kbFreeOnFs( const QString& path, unsigned long& size, unsigned long& avail )
 {
+#if KDE_IS_VERSION(4,2,0)
     KDiskFreeSpaceInfo fs = KDiskFreeSpaceInfo::freeSpaceInfo( path );
     if ( fs.isValid() ) {
         size = fs.size()/1024;
@@ -218,6 +229,21 @@
     else {
         return false;
     }
+#else
+#ifdef HAVE_SYS_STATVFS_H
+    struct statvfs fs;
+    if( ::statvfs( QFile::encodeName(path), &fs ) == 0 ) {
+        unsigned long kBfak = fs.f_frsize/1024;
+
+        size = fs.f_blocks*kBfak;
+        avail = fs.f_bavail*kBfak;
+
+        return true;
+    }
+    else
+#endif
+        return false;
+#endif
 }