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Diffstat (limited to 'm4.include/gnulib/mountlist.m4')
| -rw-r--r-- | m4.include/gnulib/mountlist.m4 | 338 |
1 files changed, 338 insertions, 0 deletions
diff --git a/m4.include/gnulib/mountlist.m4 b/m4.include/gnulib/mountlist.m4 new file mode 100644 index 0000000..49029ed --- /dev/null +++ b/m4.include/gnulib/mountlist.m4 @@ -0,0 +1,338 @@ +# 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]) +]) |