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-rw-r--r--m4.include/gnulib/mountlist.m4338
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diff --git a/m4.include/gnulib/mountlist.m4 b/m4.include/gnulib/mountlist.m4
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+# serial 15
+dnl Copyright (C) 2002-2006, 2009-2021 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+dnl From Jim Meyering.
+
+AC_PREREQ([2.60])
+
+AC_DEFUN([gl_MOUNTLIST],
+[
+ AC_REQUIRE([AC_CANONICAL_HOST])
+ AC_CHECK_FUNCS([listmntent])
+ AC_CHECK_HEADERS_ONCE([sys/param.h sys/statvfs.h])
+
+ # We must include grp.h before ucred.h on OSF V4.0, since ucred.h uses
+ # NGROUPS (as the array dimension for a struct member) without a definition.
+ AC_CHECK_HEADERS([sys/ucred.h], [], [], [#include <grp.h>])
+
+ AC_CHECK_HEADERS([sys/mount.h], [], [],
+ [AC_INCLUDES_DEFAULT
+ [#if HAVE_SYS_PARAM_H
+ #include <sys/param.h>
+ #endif
+ ]])
+
+ AC_CHECK_HEADERS([mntent.h sys/fs_types.h])
+ getfsstat_includes="\
+$ac_includes_default
+#if HAVE_SYS_PARAM_H
+# include <sys/param.h> /* needed by powerpc-apple-darwin1.3.7 */
+#endif
+#if HAVE_SYS_UCRED_H
+# include <grp.h> /* needed for definition of NGROUPS */
+# include <sys/ucred.h> /* needed by powerpc-apple-darwin1.3.7 */
+#endif
+#if HAVE_SYS_MOUNT_H
+# include <sys/mount.h>
+#endif
+#if HAVE_SYS_FS_TYPES_H
+# include <sys/fs_types.h> /* needed by powerpc-apple-darwin1.3.7 */
+#endif
+"
+ AC_CHECK_MEMBERS([struct fsstat.f_fstypename],,,[$getfsstat_includes])
+
+ # Determine how to get the list of mounted file systems.
+ ac_list_mounted_fs=
+
+ # If the getmntent function is available but not in the standard library,
+ # make sure LIBS contains the appropriate -l option.
+ AC_FUNC_GETMNTENT
+
+ if test -z "$ac_list_mounted_fs"; then
+ # AIX.
+ AC_CACHE_CHECK([for mntctl function and struct vmount],
+ [fu_cv_sys_mounted_vmount],
+ [AC_PREPROC_IFELSE([AC_LANG_SOURCE([[#include <fshelp.h>]])],
+ [fu_cv_sys_mounted_vmount=yes],
+ [fu_cv_sys_mounted_vmount=no])])
+ if test $fu_cv_sys_mounted_vmount = yes; then
+ ac_list_mounted_fs=found
+ AC_DEFINE([MOUNTED_VMOUNT], [1],
+ [Define if there is a function named mntctl that can be used to read
+ the list of mounted file systems, and there is a system header file
+ that declares 'struct vmount'. (AIX)])
+ fi
+ fi
+
+ if test $ac_cv_func_getmntent = yes; then
+
+ # This system has the getmntent function.
+ # Determine whether it's the one-argument variant or the two-argument one.
+
+ if test -z "$ac_list_mounted_fs"; then
+ # glibc, HP-UX, IRIX, Cygwin, Android, also (obsolete) 4.3BSD, SunOS.
+ AC_CACHE_CHECK([for one-argument getmntent function],
+ [fu_cv_sys_mounted_getmntent1],
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM([[
+/* SunOS 4.1.x /usr/include/mntent.h needs this for FILE */
+#include <stdio.h>
+
+#include <mntent.h>
+#if defined __ANDROID__ /* Android */
+# undef MOUNTED
+# define MOUNTED "/proc/mounts"
+#elif !defined MOUNTED
+# if defined _PATH_MOUNTED /* GNU libc */
+# define MOUNTED _PATH_MOUNTED
+# endif
+# if defined MNT_MNTTAB /* HP-UX. */
+# define MOUNTED MNT_MNTTAB
+# endif
+#endif
+]],
+ [[struct mntent *mnt = 0; char *table = MOUNTED;
+ if (sizeof mnt && sizeof table) return 0;
+ ]])],
+ [fu_cv_sys_mounted_getmntent1=yes],
+ [fu_cv_sys_mounted_getmntent1=no])
+ ])
+ if test $fu_cv_sys_mounted_getmntent1 = yes; then
+ ac_list_mounted_fs=found
+ AC_DEFINE([MOUNTED_GETMNTENT1], [1],
+ [Define if there is a function named getmntent for reading the list
+ of mounted file systems, and that function takes a single argument.
+ (4.3BSD, SunOS, HP-UX, Irix)])
+ AC_CHECK_FUNCS([setmntent endmntent hasmntopt])
+ fi
+ fi
+
+ if test -z "$ac_list_mounted_fs"; then
+ # Solaris >= 8.
+ AC_CACHE_CHECK([for getextmntent function],
+ [fu_cv_sys_mounted_getextmntent],
+ [AC_EGREP_HEADER([getextmntent], [sys/mnttab.h],
+ [fu_cv_sys_mounted_getextmntent=yes],
+ [fu_cv_sys_mounted_getextmntent=no])])
+ if test $fu_cv_sys_mounted_getextmntent = yes; then
+ ac_list_mounted_fs=found
+ AC_DEFINE([MOUNTED_GETEXTMNTENT], [1],
+ [Define if there is a function named getextmntent for reading the list
+ of mounted file systems. (Solaris)])
+ fi
+ fi
+
+ if test -z "$ac_list_mounted_fs"; then
+ # Solaris < 8, also (obsolete) SVR4.
+ # Solaris >= 8 has the two-argument getmntent but is already handled above.
+ AC_CACHE_CHECK([for two-argument getmntent function],
+ [fu_cv_sys_mounted_getmntent2],
+ [AC_EGREP_HEADER([getmntent], [sys/mnttab.h],
+ [fu_cv_sys_mounted_getmntent2=yes],
+ [fu_cv_sys_mounted_getmntent2=no])
+ ])
+ if test $fu_cv_sys_mounted_getmntent2 = yes; then
+ ac_list_mounted_fs=found
+ AC_DEFINE([MOUNTED_GETMNTENT2], [1],
+ [Define if there is a function named getmntent for reading the list of
+ mounted file systems, and that function takes two arguments. (SVR4)])
+ AC_CHECK_FUNCS([hasmntopt])
+ fi
+ fi
+
+ fi
+
+ if test -z "$ac_list_mounted_fs"; then
+ # OSF/1, also (obsolete) Apple Darwin 1.3.
+ # powerpc-apple-darwin1.3.7 needs sys/param.h sys/ucred.h sys/fs_types.h
+
+ AC_CACHE_CHECK([for getfsstat function],
+ [fu_cv_sys_mounted_getfsstat],
+ [AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM([[
+#include <sys/types.h>
+#if HAVE_STRUCT_FSSTAT_F_FSTYPENAME
+# define FS_TYPE(Ent) ((Ent).f_fstypename)
+#else
+# define FS_TYPE(Ent) mnt_names[(Ent).f_type]
+#endif
+$getfsstat_includes
+ ]],
+ [[struct statfs *stats;
+ int numsys = getfsstat ((struct statfs *)0, 0L, MNT_WAIT);
+ char *t = FS_TYPE (*stats);
+ ]])],
+ [fu_cv_sys_mounted_getfsstat=yes],
+ [fu_cv_sys_mounted_getfsstat=no])
+ ])
+ if test $fu_cv_sys_mounted_getfsstat = yes; then
+ ac_list_mounted_fs=found
+ AC_DEFINE([MOUNTED_GETFSSTAT], [1],
+ [Define if there is a function named getfsstat for reading the
+ list of mounted file systems. (DEC Alpha running OSF/1)])
+ fi
+ fi
+
+ if test -z "$ac_list_mounted_fs"; then
+ # (obsolete) SVR3
+ AC_CACHE_CHECK([for FIXME existence of three headers],
+ [fu_cv_sys_mounted_fread_fstyp],
+ [AC_PREPROC_IFELSE([AC_LANG_SOURCE([[
+#include <sys/statfs.h>
+#include <sys/fstyp.h>
+#include <mnttab.h>
+]])],
+ [fu_cv_sys_mounted_fread_fstyp=yes],
+ [fu_cv_sys_mounted_fread_fstyp=no])
+ ])
+ if test $fu_cv_sys_mounted_fread_fstyp = yes; then
+ ac_list_mounted_fs=found
+ AC_DEFINE([MOUNTED_FREAD_FSTYP], [1],
+ [Define if (like SVR2) there is no specific function for reading the
+ list of mounted file systems, and your system has these header files:
+ <sys/fstyp.h> and <sys/statfs.h>. (SVR3)])
+ fi
+ fi
+
+ if test -z "$ac_list_mounted_fs"; then
+ # Mac OS X, FreeBSD, NetBSD, OpenBSD, Minix, also (obsolete) 4.4BSD.
+ # OSF/1 also has getmntinfo but is already handled above.
+ # We cannot use AC_CHECK_FUNCS([getmntinfo]) here, because at the linker
+ # level the function is sometimes called getmntinfo64 or getmntinfo$INODE64
+ # on Mac OS X, __getmntinfo13 on NetBSD and Minix, _F64_getmntinfo on OSF/1.
+ AC_CACHE_CHECK([for getmntinfo function],
+ [fu_cv_sys_mounted_getmntinfo],
+ [AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM([[
+#if HAVE_SYS_PARAM_H
+# include <sys/param.h>
+#endif
+#include <sys/types.h>
+#if HAVE_SYS_MOUNT_H
+# include <sys/mount.h>
+#endif
+#if HAVE_SYS_STATVFS_H
+# include <sys/statvfs.h>
+#endif
+#include <stdlib.h>
+ ]],
+ [[int count = getmntinfo (NULL, MNT_WAIT);
+ ]])],
+ [fu_cv_sys_mounted_getmntinfo=yes],
+ [fu_cv_sys_mounted_getmntinfo=no])
+ ])
+ if test $fu_cv_sys_mounted_getmntinfo = yes; then
+ AC_CACHE_CHECK([whether getmntinfo returns statvfs structures],
+ [fu_cv_sys_mounted_getmntinfo2],
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM([[
+#if HAVE_SYS_PARAM_H
+# include <sys/param.h>
+#endif
+#include <sys/types.h>
+#if HAVE_SYS_MOUNT_H
+# include <sys/mount.h>
+#endif
+#if HAVE_SYS_STATVFS_H
+# include <sys/statvfs.h>
+#endif
+extern
+#ifdef __cplusplus
+"C"
+#endif
+int getmntinfo (struct statfs **, int);
+ ]], [[]])],
+ [fu_cv_sys_mounted_getmntinfo2=no],
+ [fu_cv_sys_mounted_getmntinfo2=yes])
+ ])
+ if test $fu_cv_sys_mounted_getmntinfo2 = no; then
+ # Mac OS X, FreeBSD, OpenBSD, also (obsolete) 4.4BSD.
+ ac_list_mounted_fs=found
+ AC_DEFINE([MOUNTED_GETMNTINFO], [1],
+ [Define if there is a function named getmntinfo for reading the
+ list of mounted file systems and it returns an array of
+ 'struct statfs'. (4.4BSD, Darwin)])
+ else
+ # NetBSD, Minix.
+ ac_list_mounted_fs=found
+ AC_DEFINE([MOUNTED_GETMNTINFO2], [1],
+ [Define if there is a function named getmntinfo for reading the
+ list of mounted file systems and it returns an array of
+ 'struct statvfs'. (NetBSD 3.0)])
+ fi
+ fi
+ fi
+
+ if test -z "$ac_list_mounted_fs"; then
+ # Haiku, also (obsolete) BeOS.
+ AC_CHECK_FUNCS([next_dev fs_stat_dev])
+ AC_CHECK_HEADERS([fs_info.h])
+ AC_CACHE_CHECK([for BEOS mounted file system support functions],
+ [fu_cv_sys_mounted_fs_stat_dev],
+ [if test $ac_cv_header_fs_info_h = yes \
+ && test $ac_cv_func_next_dev = yes \
+ && test $ac_cv_func_fs_stat_dev = yes; then
+ fu_cv_sys_mounted_fs_stat_dev=yes
+ else
+ fu_cv_sys_mounted_fs_stat_dev=no
+ fi
+ ])
+ if test $fu_cv_sys_mounted_fs_stat_dev = yes; then
+ ac_list_mounted_fs=found
+ AC_DEFINE([MOUNTED_FS_STAT_DEV], [1],
+ [Define if there are functions named next_dev and fs_stat_dev for
+ reading the list of mounted file systems. (BeOS)])
+ fi
+ fi
+
+ if test -z "$ac_list_mounted_fs"; then
+ # Interix / BSD alike statvfs
+ # the code is really interix specific, so make sure, we're on it.
+ case "$host" in
+ *-interix*)
+ AC_CHECK_FUNCS([statvfs])
+ if test $ac_cv_func_statvfs = yes; then
+ ac_list_mounted_fs=found
+ AC_DEFINE([MOUNTED_INTERIX_STATVFS], [1],
+ [Define if we are on interix, and ought to use statvfs plus
+ some special knowledge on where mounted file systems can be
+ found. (Interix)])
+ fi
+ ;;
+ esac
+ fi
+
+ if test -z "$ac_list_mounted_fs"; then
+ AC_MSG_ERROR([could not determine how to read list of mounted file systems])
+ # FIXME -- no need to abort building the whole package
+ # Can't build mountlist.c or anything that needs its functions
+ fi
+
+ if test $ac_list_mounted_fs = found; then
+ gl_cv_list_mounted_fs=yes
+ else
+ gl_cv_list_mounted_fs=no
+ fi
+])
+
+# Prerequisites of lib/mountlist.c not done by gl_MOUNTLIST.
+AC_DEFUN([gl_PREREQ_MOUNTLIST_EXTRA],
+[
+ dnl Note gl_MOUNTLIST checks for mntent.h, not sys/mntent.h.
+ AC_CHECK_HEADERS([sys/mntent.h])
+ AC_HEADER_MAJOR()dnl for use of makedev ()
+ gl_FSTYPENAME
+])
+
+# Replace Autoconf's AC_FUNC_GETMNTENT to omit checks that are unnecessary
+# nowadays.
+AC_DEFUN([AC_FUNC_GETMNTENT],
+[
+ # getmntent is in the standard C library on most systems, but in -lgen on
+ # Unixware.
+ AC_SEARCH_LIBS([getmntent], [gen])
+ AC_CHECK_FUNCS([getmntent])
+])