@node gnu_dev_major
@subsection @code{gnu_dev_major}
@findex gnu_dev_major

Documentation:@* @uref{https://www.kernel.org/doc/man-pages/online/pages/man3/gnu_dev_major.3.html,,man gnu_dev_major}

Gnulib module: ---

Portability problems fixed by Gnulib:
@itemize
@item
The @code{AC_HEADER_MAJOR} macro in Autoconf 2.69 and earlier fails to
set @code{MAJOR_IN_SYSMACROS} when it detects namespace pollution in
@file{sys/types.h}; which in turn provokes deprecation warnings in
glibc 2.25.
@end itemize

Portability problems not fixed by Gnulib:
@itemize
@item
This function is missing on all non-glibc platforms:
macOS 11.1, FreeBSD 13.0, NetBSD 9.0, OpenBSD 6.7, Minix 3.1.8, AIX 5.1, HP-UX 11, IRIX 6.5, Solaris 11.4, Cygwin 2.9, mingw, MSVC 14, Android 9.0.
@end itemize
