[Bug libstdc++/110462] [14 regression] Build failure with musl-1.2.4 (filesystem/ops-common.h:377:5: error: 'off64_t' was not declared in this scope; did you mean 'off_t'?)

[sjames at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110462

--- Comment #4 from Sam James <sjames at gcc dot gnu.org> ---
(In reply to Jonathan Wakely from comment #2)
> The system call is defined in terms of off64_t. What type does musl use for
> copy_file_range(2)?

/usr/include/unistd.h:197:ssize_t copy_file_range(int, off_t *, int, off_t *,
size_t, unsigned);

On musl, off_t and friends are always 64-bit (i.e. it's natively LFS, no need
for largefile source functions/types). In musl-1.2.4, they dropped the
typedefs.