https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61955
--- Comment #9 from Pierre Ossman <ossman at cendio dot se> --- (In reply to Andreas Schwab from comment #5) > <linux/aio_abi.h> was added in 2.5.32. > > https://git.kernel.org/cgit/linux/kernel/git/tglx/history.git/commit/ > ?id=ea5097be4e814a2a9457e60653052306295941e8 How can it be missing on RHEL 4 with 2.6.9 in that case?