247 lines
7.2 KiB
Plaintext
247 lines
7.2 KiB
Plaintext
#serial 11
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# From fileutils/configure.in
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AC_DEFUN([gl_FSUSAGE],
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[
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AC_CHECK_HEADERS_ONCE(sys/param.h)
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AC_CHECK_HEADERS(sys/mount.h sys/vfs.h sys/fs_types.h)
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jm_FILE_SYSTEM_USAGE([gl_cv_fs_space=yes], [gl_cv_fs_space=no])
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if test $gl_cv_fs_space = yes; then
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AC_LIBOBJ(fsusage)
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gl_PREREQ_FSUSAGE_EXTRA
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fi
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])
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# Try to determine how a program can obtain filesystem usage information.
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# If successful, define the appropriate symbol (see fsusage.c) and
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# execute ACTION-IF-FOUND. Otherwise, execute ACTION-IF-NOT-FOUND.
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#
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# jm_FILE_SYSTEM_USAGE([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]])
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AC_DEFUN([jm_FILE_SYSTEM_USAGE],
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[
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echo "checking how to get filesystem space usage..."
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ac_fsusage_space=no
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# Perform only the link test since it seems there are no variants of the
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# statvfs function. This check is more than just AC_CHECK_FUNCS(statvfs)
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# because that got a false positive on SCO OSR5. Adding the declaration
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# of a `struct statvfs' causes this test to fail (as it should) on such
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# systems. That system is reported to work fine with STAT_STATFS4 which
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# is what it gets when this test fails.
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if test $ac_fsusage_space = no; then
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# SVR4
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AC_CACHE_CHECK([for statvfs function (SVR4)], fu_cv_sys_stat_statvfs,
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[AC_TRY_LINK([#include <sys/types.h>
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#ifdef __GLIBC__
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Do not use statvfs on systems with GNU libc, because that function stats
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all preceding entries in /proc/mounts, and that makes df hang if even
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one of the corresponding file systems is hard-mounted, but not available.
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#endif
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#include <sys/statvfs.h>],
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[struct statvfs fsd; statvfs (0, &fsd);],
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fu_cv_sys_stat_statvfs=yes,
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fu_cv_sys_stat_statvfs=no)])
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if test $fu_cv_sys_stat_statvfs = yes; then
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ac_fsusage_space=yes
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AC_DEFINE(STAT_STATVFS, 1,
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[ Define if there is a function named statvfs. (SVR4)])
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fi
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fi
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if test $ac_fsusage_space = no; then
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# DEC Alpha running OSF/1
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AC_MSG_CHECKING([for 3-argument statfs function (DEC OSF/1)])
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AC_CACHE_VAL(fu_cv_sys_stat_statfs3_osf1,
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[AC_TRY_RUN([
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#include <sys/param.h>
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#include <sys/types.h>
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#include <sys/mount.h>
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main ()
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{
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struct statfs fsd;
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fsd.f_fsize = 0;
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exit (statfs (".", &fsd, sizeof (struct statfs)));
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}],
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fu_cv_sys_stat_statfs3_osf1=yes,
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fu_cv_sys_stat_statfs3_osf1=no,
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fu_cv_sys_stat_statfs3_osf1=no)])
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AC_MSG_RESULT($fu_cv_sys_stat_statfs3_osf1)
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if test $fu_cv_sys_stat_statfs3_osf1 = yes; then
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ac_fsusage_space=yes
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AC_DEFINE(STAT_STATFS3_OSF1, 1,
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[ Define if statfs takes 3 args. (DEC Alpha running OSF/1)])
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fi
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fi
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if test $ac_fsusage_space = no; then
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# AIX
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AC_MSG_CHECKING([for two-argument statfs with statfs.bsize dnl
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member (AIX, 4.3BSD)])
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AC_CACHE_VAL(fu_cv_sys_stat_statfs2_bsize,
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[AC_TRY_RUN([
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#ifdef HAVE_SYS_PARAM_H
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#include <sys/param.h>
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#endif
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#ifdef HAVE_SYS_MOUNT_H
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#include <sys/mount.h>
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#endif
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#ifdef HAVE_SYS_VFS_H
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#include <sys/vfs.h>
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#endif
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main ()
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{
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struct statfs fsd;
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fsd.f_bsize = 0;
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exit (statfs (".", &fsd));
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}],
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fu_cv_sys_stat_statfs2_bsize=yes,
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fu_cv_sys_stat_statfs2_bsize=no,
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fu_cv_sys_stat_statfs2_bsize=no)])
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AC_MSG_RESULT($fu_cv_sys_stat_statfs2_bsize)
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if test $fu_cv_sys_stat_statfs2_bsize = yes; then
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ac_fsusage_space=yes
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AC_DEFINE(STAT_STATFS2_BSIZE, 1,
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[ Define if statfs takes 2 args and struct statfs has a field named f_bsize.
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(4.3BSD, SunOS 4, HP-UX, AIX PS/2)])
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fi
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fi
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if test $ac_fsusage_space = no; then
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# SVR3
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AC_MSG_CHECKING([for four-argument statfs (AIX-3.2.5, SVR3)])
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AC_CACHE_VAL(fu_cv_sys_stat_statfs4,
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[AC_TRY_RUN([#include <sys/types.h>
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#include <sys/statfs.h>
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main ()
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{
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struct statfs fsd;
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exit (statfs (".", &fsd, sizeof fsd, 0));
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}],
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fu_cv_sys_stat_statfs4=yes,
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fu_cv_sys_stat_statfs4=no,
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fu_cv_sys_stat_statfs4=no)])
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AC_MSG_RESULT($fu_cv_sys_stat_statfs4)
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if test $fu_cv_sys_stat_statfs4 = yes; then
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ac_fsusage_space=yes
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AC_DEFINE(STAT_STATFS4, 1,
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[ Define if statfs takes 4 args. (SVR3, Dynix, Irix, Dolphin)])
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fi
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fi
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if test $ac_fsusage_space = no; then
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# 4.4BSD and NetBSD
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AC_MSG_CHECKING([for two-argument statfs with statfs.fsize dnl
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member (4.4BSD and NetBSD)])
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AC_CACHE_VAL(fu_cv_sys_stat_statfs2_fsize,
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[AC_TRY_RUN([#include <sys/types.h>
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#ifdef HAVE_SYS_PARAM_H
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#include <sys/param.h>
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#endif
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#ifdef HAVE_SYS_MOUNT_H
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#include <sys/mount.h>
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#endif
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main ()
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{
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struct statfs fsd;
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fsd.f_fsize = 0;
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exit (statfs (".", &fsd));
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}],
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fu_cv_sys_stat_statfs2_fsize=yes,
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fu_cv_sys_stat_statfs2_fsize=no,
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fu_cv_sys_stat_statfs2_fsize=no)])
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AC_MSG_RESULT($fu_cv_sys_stat_statfs2_fsize)
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if test $fu_cv_sys_stat_statfs2_fsize = yes; then
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ac_fsusage_space=yes
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AC_DEFINE(STAT_STATFS2_FSIZE, 1,
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[ Define if statfs takes 2 args and struct statfs has a field named f_fsize.
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(4.4BSD, NetBSD)])
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fi
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fi
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if test $ac_fsusage_space = no; then
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# Ultrix
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AC_MSG_CHECKING([for two-argument statfs with struct fs_data (Ultrix)])
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AC_CACHE_VAL(fu_cv_sys_stat_fs_data,
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[AC_TRY_RUN([#include <sys/types.h>
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#ifdef HAVE_SYS_PARAM_H
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#include <sys/param.h>
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#endif
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#ifdef HAVE_SYS_MOUNT_H
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#include <sys/mount.h>
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#endif
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#ifdef HAVE_SYS_FS_TYPES_H
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#include <sys/fs_types.h>
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#endif
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main ()
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{
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struct fs_data fsd;
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/* Ultrix's statfs returns 1 for success,
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0 for not mounted, -1 for failure. */
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exit (statfs (".", &fsd) != 1);
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}],
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fu_cv_sys_stat_fs_data=yes,
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fu_cv_sys_stat_fs_data=no,
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fu_cv_sys_stat_fs_data=no)])
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AC_MSG_RESULT($fu_cv_sys_stat_fs_data)
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if test $fu_cv_sys_stat_fs_data = yes; then
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ac_fsusage_space=yes
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AC_DEFINE(STAT_STATFS2_FS_DATA, 1,
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[ Define if statfs takes 2 args and the second argument has
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type struct fs_data. (Ultrix)])
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fi
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fi
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if test $ac_fsusage_space = no; then
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# SVR2
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AC_TRY_CPP([#include <sys/filsys.h>
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],
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AC_DEFINE(STAT_READ_FILSYS, 1,
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[Define if there is no specific function for reading filesystems usage
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information and you have the <sys/filsys.h> header file. (SVR2)])
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ac_fsusage_space=yes)
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fi
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AS_IF([test $ac_fsusage_space = yes], [$1], [$2])
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])
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# Check for SunOS statfs brokenness wrt partitions 2GB and larger.
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# If <sys/vfs.h> exists and struct statfs has a member named f_spare,
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# enable the work-around code in fsusage.c.
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AC_DEFUN([jm_STATFS_TRUNCATES],
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[
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AC_MSG_CHECKING([for statfs that truncates block counts])
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AC_CACHE_VAL(fu_cv_sys_truncating_statfs,
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[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
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#if !defined(sun) && !defined(__sun)
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choke -- this is a workaround for a Sun-specific problem
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#endif
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#include <sys/types.h>
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#include <sys/vfs.h>]],
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[[struct statfs t; long c = *(t.f_spare);]])],
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[fu_cv_sys_truncating_statfs=yes],
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[fu_cv_sys_truncating_statfs=no])])
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if test $fu_cv_sys_truncating_statfs = yes; then
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AC_DEFINE(STATFS_TRUNCATES_BLOCK_COUNTS, 1,
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[Define if the block counts reported by statfs may be truncated to 2GB
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and the correct values may be stored in the f_spare array.
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(SunOS 4.1.2, 4.1.3, and 4.1.3_U1 are reported to have this problem.
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SunOS 4.1.1 seems not to be affected.)])
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fi
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AC_MSG_RESULT($fu_cv_sys_truncating_statfs)
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])
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# Prerequisites of lib/fsusage.c not done by jm_FILE_SYSTEM_USAGE.
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AC_DEFUN([gl_PREREQ_FSUSAGE_EXTRA],
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[
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AC_REQUIRE([jm_AC_TYPE_UINTMAX_T])
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AC_CHECK_HEADERS_ONCE(fcntl.h)
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AC_CHECK_HEADERS(dustat.h sys/fs/s5param.h sys/filsys.h sys/statfs.h sys/statvfs.h)
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jm_STATFS_TRUNCATES
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])
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