osdep: Introduce include/grub/osdep/major.h and use it

... to factor out fix for glibc 2.25 introduced in 7a5b301e3 (build: Use
AC_HEADER_MAJOR to find device macros).

Note: Once glibc 2.25 is old enough and this fix is not needed also
AC_HEADER_MAJOR in configure.ac should be removed.

Signed-off-by: Petr Vorel <pvorel@suse.cz>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
This commit is contained in:
Petr Vorel authored and Daniel Kiper committed 2021-07-22 15:54:15 +02:00
1 parent 70ecee1e21
commit e94b4f2327
6 files changed
+38 -25

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@@ -424,7 +424,7 @@ AC_CHECK_HEADERS(sys/param.h sys/mount.h sys/mnttab.h limits.h)
# glibc 2.25 still includes sys/sysmacros.h in sys/types.h but emits deprecation
# warning which causes compilation failure later with -Werror. So use -Werror here
# as well to force proper sys/sysmacros.h detection.
# as well to force proper sys/sysmacros.h detection. Used in include/grub/osdep/major.h.
SAVED_CFLAGS="$CFLAGS"
CFLAGS="$HOST_CFLAGS -Werror"
AC_HEADER_MAJOR