This is not needed at all and breaks the build on systems without
sys/syscall.h, e.g. AIX.
Created attachment 14152 [details]
Patch for v4-7-test
Created attachment 14153 [details]
Patch for v4-8-test
Pushed to autobuild-v4-[7,8]-test
(In reply to Karolin Seeger from comment #3)
Pushed to both branches.
Closing out bug report.