################################################# # these tests are taken from the GNU fileutils package AC_CHECKING(how to get filesystem space usage) AC_CHECK_HEADERS(sys/statfs.h sys/statvfs.h sys/vfs.h) AC_CHECK_HEADERS(sys/mount.h, , , [AC_INCLUDES_DEFAULT #ifdef HAVE_SYS_PARAM_H #include <sys/param.h> #endif]) space=no # Test for statvfs64. if test $space = no; then # SVR4 AC_CACHE_CHECK([statvfs64 function (SVR4)], fu_cv_sys_stat_statvfs64, [AC_TRY_RUN([ #if defined(HAVE_UNISTD_H) #include <unistd.h> #endif #include <sys/types.h> #include <sys/statvfs.h> main () { struct statvfs64 fsd; exit (statvfs64 (".", &fsd)); }], fu_cv_sys_stat_statvfs64=yes, fu_cv_sys_stat_statvfs64=no, fu_cv_sys_stat_statvfs64=cross)]) if test $fu_cv_sys_stat_statvfs64 = yes; then space=yes AC_DEFINE(STAT_STATVFS64,1,[Whether statvfs64() is available]) fi fi # Perform only the link test since it seems there are no variants of the # statvfs function. This check is more than just AC_CHECK_FUNCS(statvfs) # because that got a false positive on SCO OSR5. Adding the declaration # of a `struct statvfs' causes this test to fail (as it should) on such # systems. That system is reported to work fine with STAT_STATFS4 which # is what it gets when this test fails. if test $space = no; then # SVR4 AC_CACHE_CHECK([statvfs function (SVR4)], fu_cv_sys_stat_statvfs, [AC_TRY_LINK([#include <sys/types.h> #include <sys/statvfs.h>], [struct statvfs fsd; statvfs (0, &fsd);], fu_cv_sys_stat_statvfs=yes, fu_cv_sys_stat_statvfs=no)]) if test $fu_cv_sys_stat_statvfs = yes; then space=yes AC_DEFINE(STAT_STATVFS,1,[Whether statvfs() is available]) fi fi if test $space = no; then # DEC Alpha running OSF/1 AC_MSG_CHECKING([for 3-argument statfs function (DEC OSF/1)]) AC_CACHE_VAL(fu_cv_sys_stat_statfs3_osf1, [AC_TRY_RUN([ #include <sys/param.h> #include <sys/types.h> #include <sys/mount.h> main () { struct statfs fsd; fsd.f_fsize = 0; exit (statfs (".", &fsd, sizeof (struct statfs))); }], fu_cv_sys_stat_statfs3_osf1=yes, fu_cv_sys_stat_statfs3_osf1=no, fu_cv_sys_stat_statfs3_osf1=no)]) AC_MSG_RESULT($fu_cv_sys_stat_statfs3_osf1) if test $fu_cv_sys_stat_statfs3_osf1 = yes; then space=yes AC_DEFINE(STAT_STATFS3_OSF1,1,[Whether statfs requires 3 arguments]) fi fi if test $space = no; then # AIX AC_MSG_CHECKING([for two-argument statfs with statfs.bsize dnl member (AIX, 4.3BSD)]) AC_CACHE_VAL(fu_cv_sys_stat_statfs2_bsize, [AC_TRY_RUN([ #ifdef HAVE_SYS_PARAM_H #include <sys/param.h> #endif #ifdef HAVE_SYS_MOUNT_H #include <sys/mount.h> #endif #ifdef HAVE_SYS_VFS_H #include <sys/vfs.h> #endif main () { struct statfs fsd; fsd.f_bsize = 0; exit (statfs (".", &fsd)); }], fu_cv_sys_stat_statfs2_bsize=yes, fu_cv_sys_stat_statfs2_bsize=no, fu_cv_sys_stat_statfs2_bsize=no)]) AC_MSG_RESULT($fu_cv_sys_stat_statfs2_bsize) if test $fu_cv_sys_stat_statfs2_bsize = yes; then space=yes AC_DEFINE(STAT_STATFS2_BSIZE,1,[Whether statfs requires two arguments and struct statfs has bsize property]) fi fi if test $space = no; then # SVR3 AC_MSG_CHECKING([for four-argument statfs (AIX-3.2.5, SVR3)]) AC_CACHE_VAL(fu_cv_sys_stat_statfs4, [AC_TRY_RUN([#include <sys/types.h> #include <sys/statfs.h> main () { struct statfs fsd; exit (statfs (".", &fsd, sizeof fsd, 0)); }], fu_cv_sys_stat_statfs4=yes, fu_cv_sys_stat_statfs4=no, fu_cv_sys_stat_statfs4=no)]) AC_MSG_RESULT($fu_cv_sys_stat_statfs4) if test $fu_cv_sys_stat_statfs4 = yes; then space=yes AC_DEFINE(STAT_STATFS4,1,[Whether statfs requires 4 arguments]) fi fi if test $space = no; then # 4.4BSD and NetBSD AC_MSG_CHECKING([for two-argument statfs with statfs.fsize dnl member (4.4BSD and NetBSD)]) AC_CACHE_VAL(fu_cv_sys_stat_statfs2_fsize, [AC_TRY_RUN([#include <sys/types.h> #ifdef HAVE_SYS_PARAM_H #include <sys/param.h> #endif #ifdef HAVE_SYS_MOUNT_H #include <sys/mount.h> #endif main () { struct statfs fsd; fsd.f_fsize = 0; exit (statfs (".", &fsd)); }], fu_cv_sys_stat_statfs2_fsize=yes, fu_cv_sys_stat_statfs2_fsize=no, fu_cv_sys_stat_statfs2_fsize=no)]) AC_MSG_RESULT($fu_cv_sys_stat_statfs2_fsize) if test $fu_cv_sys_stat_statfs2_fsize = yes; then space=yes AC_DEFINE(STAT_STATFS2_FSIZE,1,[Whether statfs requires 2 arguments and struct statfs has fsize]) fi fi if test $space = no; then # Ultrix AC_MSG_CHECKING([for two-argument statfs with struct fs_data (Ultrix)]) AC_CACHE_VAL(fu_cv_sys_stat_fs_data, [AC_TRY_RUN([#include <sys/types.h> #ifdef HAVE_SYS_PARAM_H #include <sys/param.h> #endif #ifdef HAVE_SYS_MOUNT_H #include <sys/mount.h> #endif #ifdef HAVE_SYS_FS_TYPES_H #include <sys/fs_types.h> #endif main () { struct fs_data fsd; /* Ultrix's statfs returns 1 for success, 0 for not mounted, -1 for failure. */ exit (statfs (".", &fsd) != 1); }], fu_cv_sys_stat_fs_data=yes, fu_cv_sys_stat_fs_data=no, fu_cv_sys_stat_fs_data=no)]) AC_MSG_RESULT($fu_cv_sys_stat_fs_data) if test $fu_cv_sys_stat_fs_data = yes; then space=yes AC_DEFINE(STAT_STATFS2_FS_DATA,1,[Whether statfs requires 2 arguments and struct fs_data is available]) fi fi