1 files changed, 88 insertions, 0 deletions
diff --git a/m4/stat-prog.m4 b/m4/stat-prog.m4
new file mode 100644
index 0000000..983d823
--- /dev/null
+++ b/m4/stat-prog.m4
@@ -0,0 +1,88 @@
+# stat-prog.m4 serial 7
+# Record the prerequisites of src/stat.c from the coreutils package.
+
+# Copyright (C) 2002-2018 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+# Written by Jim Meyering.
+
+AC_DEFUN([cu_PREREQ_STAT_PROG],
+[
+  AC_REQUIRE([gl_FSUSAGE])
+  AC_REQUIRE([gl_FSTYPENAME])
+  AC_CHECK_HEADERS_ONCE([OS.h netinet/in.h sys/param.h sys/vfs.h])
+
+  dnl Check for vfs.h first, since this avoids a warning with nfs_client.h
+  dnl on Solaris 8.
+  test $ac_cv_header_sys_param_h = yes &&
+  test $ac_cv_header_sys_mount_h = yes &&
+  AC_CHECK_HEADERS([nfs/vfs.h],
+    [AC_CHECK_HEADERS([nfs/nfs_client.h])])
+
+  statvfs_includes="\
+AC_INCLUDES_DEFAULT
+#include <sys/statvfs.h>
+"
+  statfs_includes="\
+AC_INCLUDES_DEFAULT
+#if HAVE_SYS_VFS_H
+# include <sys/vfs.h>
+#elif HAVE_SYS_MOUNT_H && HAVE_SYS_PARAM_H
+# include <sys/param.h>
+# include <sys/mount.h>
+# if HAVE_NETINET_IN_H && HAVE_NFS_NFS_CLNT_H && HAVE_NFS_VFS_H
+#  include <netinet/in.h>
+#  include <nfs/nfs_clnt.h>
+#  include <nfs/vfs.h>
+# endif
+#elif HAVE_OS_H
+# include <fs_info.h>
+#endif
+"
+  dnl Keep this long conditional in sync with the USE_STATVFS conditional
+  dnl in ../src/stat.c.
+  if case "$fu_cv_sys_stat_statvfs$fu_cv_sys_stat_statvfs64" in
+       *yes*) ;; *) false;; esac &&
+     { AC_CHECK_MEMBERS([struct statvfs.f_basetype],,, [$statvfs_includes])
+       test $ac_cv_member_struct_statvfs_f_basetype = yes ||
+       { AC_CHECK_MEMBERS([struct statvfs.f_fstypename],,, [$statvfs_includes])
+         test $ac_cv_member_struct_statvfs_f_fstypename = yes ||
+         { test $ac_cv_member_struct_statfs_f_fstypename != yes &&
+           { AC_CHECK_MEMBERS([struct statvfs.f_type],,, [$statvfs_includes])
+             test $ac_cv_member_struct_statvfs_f_type = yes; }; }; }; }
+  then
+    AC_CHECK_MEMBERS([struct statvfs.f_namemax],,, [$statvfs_includes])
+    AC_COMPILE_IFELSE(
+      [AC_LANG_PROGRAM(
+         [$statvfs_includes],
+         [static statvfs s;
+          return (s.s_fsid ^ 0) == 0;])],
+      [AC_DEFINE([STRUCT_STATVFS_F_FSID_IS_INTEGER], [1],
+         [Define to 1 if the f_fsid member of struct statvfs is an integer.])])
+  else
+    AC_CHECK_MEMBERS([struct statfs.f_namelen, struct statfs.f_namemax,
+                      struct statfs.f_type, struct statfs.f_frsize],,,
+                     [$statfs_includes])
+    if test $ac_cv_header_OS_h != yes; then
+      AC_COMPILE_IFELSE(
+        [AC_LANG_PROGRAM(
+           [$statfs_includes],
+           [static statfs s;
+            return (s.s_fsid ^ 0) == 0;])],
+        [AC_DEFINE([STRUCT_STATFS_F_FSID_IS_INTEGER], [1],
+           [Define to 1 if the f_fsid member of struct statfs is an integer.])])
+    fi
+  fi
+])