build-sys: disable libmount when missing mntent.h

Addresses: https://github.com/karelzak/util-linux/issues/1432
Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/configure.ac b/configure.ac
index 2469c97775eef53d6b162f13ec68bfb40f40bee0..17f4c349e251ae8e59f159322aa8420d80750db6 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -465,6 +465,7 @@ have_security_pam_misc_h=$ac_cv_header_security_pam_misc_h
 have_shadow_h=$ac_cv_header_shadow_h
 have_sys_signalfd_h=$ac_cv_header_sys_signalfd_h
 have_utmpx_h=$ac_cv_header_utmpx_h
+have_mntent_h=$ac_cv_header_mntent_h
 
 AS_CASE([$linux_os:$have_linux_version_h],
   [yes:no],
@@ -1138,6 +1139,7 @@ AC_ARG_ENABLE([libmount],
 UL_BUILD_INIT([libmount])
 UL_REQUIRES_BUILD([libmount], [libblkid])
 UL_REQUIRES_HAVE([libmount], [dirfd,ddfd], [dirfd or ddfd function])
+UL_REQUIRES_HAVE([libmount], [mntent_h], [mntent.h header file])
 AM_CONDITIONAL([BUILD_LIBMOUNT], [test "x$build_libmount" = xyes])
 AM_CONDITIONAL([BUILD_LIBMOUNT_TESTS], [test "x$build_libmount" = xyes && test "x$enable_static" = xyes])
 AS_IF([test "x$build_libmount" = xyes], [