Bug#866372: boxbackup FTBFS on arm64/mips64el: error: 'SYS_open' was not declared in this scope

[Adrian Bunk <bunk@debian.org>]

Source: boxbackup
Version: 0.12~gitcf52058f-2
Severity: serious

https://buildd.debian.org/status/package.php?p=boxbackup&suite=sid

...
intercept.cpp: In function 'int open(const char*, int, ...)':
intercept.cpp:248:25: error: 'SYS_open' was not declared in this scope
    intercept_syscall == SYS_open &&
                         ^~~~~~~~
intercept.cpp:268:18: error: 'SYS_open' was not declared in this scope
  int r = syscall(SYS_open, path, flags, mode);
                  ^~~~~~~~
...
common: PASSED
crypto: PASSED
compress: PASSED
raidfile: make failed
basicserver: PASSED
backupstore: PASSED
backupstorefix: PASSED
backupstorepatch: PASSED
backupdiff: PASSED
bbackupd: make failed
s3store: PASSED
httpserver: PASSED
...