dvdbackup.c: In function 'DVDGetInfo': dvdbackup.c:647: error: 'vmg_ifo' undeclared (first use in this function) dvdbackup.c:647: error: (Each undeclared identifier is reported only once dvdbackup.c:647: error: for each function it appears in.) dvdbackup.c: In function 'DVDGetFileSet': dvdbackup.c:1663: error: 'vmg_ifo' undeclared (first use in this function) dvdbackup.c: In function 'DVDMirrorChapters': dvdbackup.c:1946: error: 'vts_ifo_info' undeclared (first use in this function) install: cannot stat `dvdbackup': No such file or directory ==> ERROR: Build Failed. Aborting...