X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Ffsusage.m4;h=8b8cbf72c788a70c4fbf7090f9e0f911d5457b6a;hb=7cf183c33ef0c792b5c93dbb4ac5b7858ee03986;hp=0dfd2ddd7b43b9b611c429b04611ca6b2631dbb1;hpb=19242a2c9e0d4c83f16002a2b2e54f5fdec73184;p=gnulib.git diff --git a/m4/fsusage.m4 b/m4/fsusage.m4 index 0dfd2ddd7..8b8cbf72c 100644 --- a/m4/fsusage.m4 +++ b/m4/fsusage.m4 @@ -1,8 +1,7 @@ -#serial 21 +# serial 24 # Obtaining file system usage information. -# Copyright (C) 1997, 1998, 2000, 2001, 2003, 2004, 2005, 2006 Free Software -# Foundation, Inc. +# Copyright (C) 1997-1998, 2000-2001, 2003-2009 Free Software Foundation, Inc. # # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, @@ -12,16 +11,16 @@ AC_DEFUN([gl_FSUSAGE], [ - AC_CHECK_HEADERS_ONCE(sys/param.h) - AC_CHECK_HEADERS_ONCE(sys/vfs.h sys/fs_types.h) - AC_CHECK_HEADERS(sys/mount.h, [], [], + AC_CHECK_HEADERS_ONCE([sys/param.h]) + AC_CHECK_HEADERS_ONCE([sys/vfs.h sys/fs_types.h]) + AC_CHECK_HEADERS([sys/mount.h], [], [], [AC_INCLUDES_DEFAULT [#if HAVE_SYS_PARAM_H #include #endif]]) gl_FILE_SYSTEM_USAGE([gl_cv_fs_space=yes], [gl_cv_fs_space=no]) if test $gl_cv_fs_space = yes; then - AC_LIBOBJ(fsusage) + AC_LIBOBJ([fsusage]) gl_PREREQ_FSUSAGE_EXTRA fi ]) @@ -39,29 +38,34 @@ AC_MSG_NOTICE([checking how to get file system space usage]) ac_fsusage_space=no # 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) +# 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 $ac_fsusage_space = no; then # SVR4 - AC_CACHE_CHECK([for statvfs function (SVR4)], fu_cv_sys_stat_statvfs, + AC_CACHE_CHECK([for statvfs function (SVR4)], [fu_cv_sys_stat_statvfs], [AC_TRY_LINK([#include -#if defined __GLIBC__ && !defined __BEOS__ -Do not use statvfs on systems with GNU libc, because that function stats -all preceding entries in /proc/mounts, and that makes df hang if even +#if defined __GLIBC__ && defined __linux__ +Do not use statvfs on systems with GNU libc on Linux, because that function +stats all preceding entries in /proc/mounts, and that makes df hang if even one of the corresponding file systems is hard-mounted, but not available. -statvfs in GNU libc on BeOS operates differently: it only makes a system -call. +statvfs in GNU libc on Hurd, BeOS, Haiku operates differently: it only makes +a system call. #endif + +#ifdef __osf__ +"Do not use Tru64's statvfs implementation" +#endif + #include ], [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 ac_fsusage_space=yes - AC_DEFINE(STAT_STATVFS, 1, + AC_DEFINE([STAT_STATVFS], [1], [ Define if there is a function named statvfs. (SVR4)]) fi fi @@ -69,7 +73,7 @@ fi if test $ac_fsusage_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_CACHE_VAL([fu_cv_sys_stat_statfs3_osf1], [AC_TRY_RUN([ #include #include @@ -84,10 +88,10 @@ if test $ac_fsusage_space = no; then fu_cv_sys_stat_statfs3_osf1=yes, fu_cv_sys_stat_statfs3_osf1=no, fu_cv_sys_stat_statfs3_osf1=no)]) - AC_MSG_RESULT($fu_cv_sys_stat_statfs3_osf1) + AC_MSG_RESULT([$fu_cv_sys_stat_statfs3_osf1]) if test $fu_cv_sys_stat_statfs3_osf1 = yes; then ac_fsusage_space=yes - AC_DEFINE(STAT_STATFS3_OSF1, 1, + AC_DEFINE([STAT_STATFS3_OSF1], [1], [ Define if statfs takes 3 args. (DEC Alpha running OSF/1)]) fi fi @@ -96,7 +100,7 @@ if test $ac_fsusage_space = no; then # AIX AC_MSG_CHECKING([for two-argument statfs with statfs.bsize dnl member (AIX, 4.3BSD)]) - AC_CACHE_VAL(fu_cv_sys_stat_statfs2_bsize, + AC_CACHE_VAL([fu_cv_sys_stat_statfs2_bsize], [AC_TRY_RUN([ #ifdef HAVE_SYS_PARAM_H #include @@ -117,10 +121,10 @@ member (AIX, 4.3BSD)]) fu_cv_sys_stat_statfs2_bsize=yes, fu_cv_sys_stat_statfs2_bsize=no, fu_cv_sys_stat_statfs2_bsize=no)]) - AC_MSG_RESULT($fu_cv_sys_stat_statfs2_bsize) + AC_MSG_RESULT([$fu_cv_sys_stat_statfs2_bsize]) if test $fu_cv_sys_stat_statfs2_bsize = yes; then ac_fsusage_space=yes - AC_DEFINE(STAT_STATFS2_BSIZE, 1, + AC_DEFINE([STAT_STATFS2_BSIZE], [1], [ Define if statfs takes 2 args and struct statfs has a field named f_bsize. (4.3BSD, SunOS 4, HP-UX, AIX PS/2)]) fi @@ -129,7 +133,7 @@ fi if test $ac_fsusage_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_CACHE_VAL([fu_cv_sys_stat_statfs4], [AC_TRY_RUN([#include #include int @@ -141,10 +145,10 @@ if test $ac_fsusage_space = no; then fu_cv_sys_stat_statfs4=yes, fu_cv_sys_stat_statfs4=no, fu_cv_sys_stat_statfs4=no)]) - AC_MSG_RESULT($fu_cv_sys_stat_statfs4) + AC_MSG_RESULT([$fu_cv_sys_stat_statfs4]) if test $fu_cv_sys_stat_statfs4 = yes; then ac_fsusage_space=yes - AC_DEFINE(STAT_STATFS4, 1, + AC_DEFINE([STAT_STATFS4], [1], [ Define if statfs takes 4 args. (SVR3, Dynix, Irix, Dolphin)]) fi fi @@ -153,7 +157,7 @@ if test $ac_fsusage_space = no; then # 4.4BSD and NetBSD AC_MSG_CHECKING([for two-argument statfs with statfs.fsize dnl member (4.4BSD and NetBSD)]) - AC_CACHE_VAL(fu_cv_sys_stat_statfs2_fsize, + AC_CACHE_VAL([fu_cv_sys_stat_statfs2_fsize], [AC_TRY_RUN([#include #ifdef HAVE_SYS_PARAM_H #include @@ -171,10 +175,10 @@ member (4.4BSD and NetBSD)]) fu_cv_sys_stat_statfs2_fsize=yes, fu_cv_sys_stat_statfs2_fsize=no, fu_cv_sys_stat_statfs2_fsize=no)]) - AC_MSG_RESULT($fu_cv_sys_stat_statfs2_fsize) + AC_MSG_RESULT([$fu_cv_sys_stat_statfs2_fsize]) if test $fu_cv_sys_stat_statfs2_fsize = yes; then ac_fsusage_space=yes - AC_DEFINE(STAT_STATFS2_FSIZE, 1, + AC_DEFINE([STAT_STATFS2_FSIZE], [1], [ Define if statfs takes 2 args and struct statfs has a field named f_fsize. (4.4BSD, NetBSD)]) fi @@ -183,7 +187,7 @@ fi if test $ac_fsusage_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_CACHE_VAL([fu_cv_sys_stat_fs_data], [AC_TRY_RUN([#include #ifdef HAVE_SYS_PARAM_H #include @@ -205,10 +209,10 @@ if test $ac_fsusage_space = no; then fu_cv_sys_stat_fs_data=yes, fu_cv_sys_stat_fs_data=no, fu_cv_sys_stat_fs_data=no)]) - AC_MSG_RESULT($fu_cv_sys_stat_fs_data) + AC_MSG_RESULT([$fu_cv_sys_stat_fs_data]) if test $fu_cv_sys_stat_fs_data = yes; then ac_fsusage_space=yes - AC_DEFINE(STAT_STATFS2_FS_DATA, 1, + AC_DEFINE([STAT_STATFS2_FS_DATA], [1], [ Define if statfs takes 2 args and the second argument has type struct fs_data. (Ultrix)]) fi @@ -218,7 +222,7 @@ if test $ac_fsusage_space = no; then # SVR2 AC_TRY_CPP([#include ], - AC_DEFINE(STAT_READ_FILSYS, 1, + AC_DEFINE([STAT_READ_FILSYS], [1], [Define if there is no specific function for reading file systems usage information and you have the header file. (SVR2)]) ac_fsusage_space=yes) @@ -235,30 +239,31 @@ AS_IF([test $ac_fsusage_space = yes], [$1], [$2]) AC_DEFUN([gl_STATFS_TRUNCATES], [ AC_MSG_CHECKING([for statfs that truncates block counts]) - AC_CACHE_VAL(fu_cv_sys_truncating_statfs, + AC_CACHE_VAL([fu_cv_sys_truncating_statfs], [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #if !defined(sun) && !defined(__sun) choke -- this is a workaround for a Sun-specific problem #endif #include #include ]], - [[struct statfs t; long c = *(t.f_spare);]])], + [[struct statfs t; long c = *(t.f_spare); + if (c) return 0;]])], [fu_cv_sys_truncating_statfs=yes], [fu_cv_sys_truncating_statfs=no])]) if test $fu_cv_sys_truncating_statfs = yes; then - AC_DEFINE(STATFS_TRUNCATES_BLOCK_COUNTS, 1, + AC_DEFINE([STATFS_TRUNCATES_BLOCK_COUNTS], [1], [Define if the block counts reported by statfs may be truncated to 2GB and the correct values may be stored in the f_spare array. (SunOS 4.1.2, 4.1.3, and 4.1.3_U1 are reported to have this problem. SunOS 4.1.1 seems not to be affected.)]) fi - AC_MSG_RESULT($fu_cv_sys_truncating_statfs) + AC_MSG_RESULT([$fu_cv_sys_truncating_statfs]) ]) # Prerequisites of lib/fsusage.c not done by gl_FILE_SYSTEM_USAGE. AC_DEFUN([gl_PREREQ_FSUSAGE_EXTRA], [ - AC_CHECK_HEADERS(dustat.h sys/fs/s5param.h sys/filsys.h sys/statfs.h) + AC_CHECK_HEADERS([dustat.h sys/fs/s5param.h sys/filsys.h sys/statfs.h]) gl_STATFS_TRUNCATES ])