1 files changed, 122 insertions, 0 deletions
diff --git a/m4.include/mc-get-fs-info.m4 b/m4.include/mc-get-fs-info.m4
new file mode 100644
index 0000000..b0ea1a8
--- /dev/null
+++ b/m4.include/mc-get-fs-info.m4
@@ -0,0 +1,122 @@
+
+dnl
+dnl posix_allocate() function detection
+dnl
+
+AC_DEFUN([POSIX_FALLOCATE], [
+    dnl * Old glibcs have broken posix_fallocate(). Make sure not to use it.
+    AC_LINK_IFELSE([AC_LANG_PROGRAM([[
+        #define _XOPEN_SOURCE 600
+        #include <stdlib.h>
+        #include <fcntl.h>
+        #if defined(__GLIBC__) && (__GLIBC__ < 2 || __GLIBC_MINOR__ < 7)
+            possibly broken posix_fallocate
+        #endif
+    ]],
+    [[posix_fallocate(0, 0, 0);]])],
+    [AC_DEFINE(
+        [HAVE_POSIX_FALLOCATE],
+        [1],
+        [Define if you have a working posix_fallocate()])
+    ])
+])
+
+dnl
+dnl Get from the coreutils package (stat-prog.m4 serial 7)
+dnl
+
+AC_DEFUN([mc_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 $ac_cv_header_sys_mount_h = yes &&
+  AC_CHECK_HEADERS([nfs/vfs.h],
+    [AC_CHECK_HEADERS([nfs/nfs_client.h])])
+
+  statvfs_includes="\
+AC_INCLUDES_DEFAULT
+#include <sys/statvfs.h>
+"
+  statfs_includes="\
+AC_INCLUDES_DEFAULT
+#ifdef HAVE_SYS_VFS_H
+# include <sys/vfs.h>
+#elif defined HAVE_SYS_MOUNT_H && defined HAVE_SYS_PARAM_H
+# include <sys/param.h>
+# include <sys/mount.h>
+# if defined HAVE_NETINET_IN_H && defined HAVE_NFS_NFS_CLNT_H && defined HAVE_NFS_VFS_H
+#  include <netinet/in.h>
+#  include <nfs/nfs_clnt.h>
+#  include <nfs/vfs.h>
+# endif
+#elif defined HAVE_OS_H
+# include <fs_info.h>
+#endif
+"
+  if case "$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(
+         [$statvfs_includes],
+         [static statvfs s;
+          return (s.s_fsid ^ 0) == 0;])],
+      [AC_DEFINE([STRUCT_STATVFS_F_FSID_IS_INTEGER], [1],
+         [Define to 1 if the f_fsid member of struct statvfs is an integer.])])
+  else
+    AC_CHECK_MEMBERS([struct statfs.f_namelen, struct statfs.f_type,
+                     struct statfs.f_frsize],,, [$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
+])
+
+
+dnl
+dnl Filesystem information detection
+dnl
+dnl To get information about the disk, mount points, etc.
+dnl
+
+AC_DEFUN([mc_GET_FS_INFO], [
+    AC_CHECK_HEADERS([fcntl.h utime.h])
+
+    gl_MOUNTLIST
+    if test $gl_cv_list_mounted_fs = yes; then
+        gl_PREREQ_MOUNTLIST_EXTRA
+        AC_DEFINE(HAVE_INFOMOUNT_LIST, 1,
+                    [Define if the list of mounted filesystems can be determined])
+    else
+        AC_MSG_WARN([could not determine how to read list of mounted fs]);
+    fi
+
+    gl_FSUSAGE
+    if test $gl_cv_fs_space = yes; then
+	gl_PREREQ_FSUSAGE_EXTRA
+    fi
+    gl_FSTYPENAME
+
+    POSIX_FALLOCATE
+
+    mc_cu_PREREQ_STAT_PROG
+])