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configure: fix check for sys/sysmacros.h under glibc 2.25+ 

glibc 2.25 still includes sys/sysmacros.h in sys/types.h but also emits
deprecation warning. So test for sys/types.h succeeds in configure but later
compilation fails because we use -Werror by default.

While this is fixed in current autoconf GIT, we really cannot force everyone
to use bleeding edge (that is not even released right now). So run test under
-Werror as well to force proper detection.

This should have no impact on autoconf 2.70+ as AC_HEADER_MAJOR in this version
simply checks for header existence.

Reported and tested by Khem Raj <raj.khem@gmail.com>
This commit is contained in:
Andrei Borzenkov 2016-12-22 22:48:25 +03:00
parent 562c406763
commit 07662af7ae
1 changed files with 7 additions and 0 deletions
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7
configure.ac
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@ -389,7 +389,14 @@ fi
# Check for functions and headers.
AC_CHECK_FUNCS(posix_memalign memalign getextmntent)
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.
SAVED_CFLAGS="$CFLAGS"
CFLAGS="$HOST_CFLAGS -Werror"
AC_HEADER_MAJOR
CFLAGS="$SAVED_CFLAGS"
AC_CHECK_MEMBERS([struct statfs.f_fstypename],,,[$ac_includes_default
#include <sys/param.h>