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authorJim Meyering <jim@meyering.net>2003-08-17 17:57:38 +0000
committerJim Meyering <jim@meyering.net>2003-08-17 17:57:38 +0000
commit69d741ae8e8fcd1c18c965bac6e7cf147e96361b (patch)
tree62e073815068d79325944748054095e31aba1134 /m4/fsusage.m4
parent56f3c86407c47dde33e1c558312525a4a671b157 (diff)
downloadcoreutils-69d741ae8e8fcd1c18c965bac6e7cf147e96361b.tar.xz
Sync with gnulib.
Diffstat (limited to 'm4/fsusage.m4')
-rw-r--r--m4/fsusage.m450
1 files changed, 49 insertions, 1 deletions
diff --git a/m4/fsusage.m4 b/m4/fsusage.m4
index ad63154ac..a0ab1e15f 100644
--- a/m4/fsusage.m4
+++ b/m4/fsusage.m4
@@ -1,7 +1,18 @@
-#serial 9
+#serial 11
# From fileutils/configure.in
+AC_DEFUN([gl_FSUSAGE],
+[
+ AC_CHECK_HEADERS_ONCE(sys/param.h)
+ AC_CHECK_HEADERS(sys/mount.h sys/vfs.h sys/fs_types.h)
+ jm_FILE_SYSTEM_USAGE([gl_cv_fs_space=yes], [gl_cv_fs_space=no])
+ if test $gl_cv_fs_space = yes; then
+ AC_LIBOBJ(fsusage)
+ gl_PREREQ_FSUSAGE_EXTRA
+ fi
+])
+
# Try to determine how a program can obtain filesystem usage information.
# If successful, define the appropriate symbol (see fsusage.c) and
# execute ACTION-IF-FOUND. Otherwise, execute ACTION-IF-NOT-FOUND.
@@ -196,3 +207,40 @@ fi
AS_IF([test $ac_fsusage_space = yes], [$1], [$2])
])
+
+
+# Check for SunOS statfs brokenness wrt partitions 2GB and larger.
+# If <sys/vfs.h> exists and struct statfs has a member named f_spare,
+# enable the work-around code in fsusage.c.
+AC_DEFUN([jm_STATFS_TRUNCATES],
+[
+ AC_MSG_CHECKING([for statfs that truncates block counts])
+ 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 <sys/types.h>
+#include <sys/vfs.h>]],
+ [[struct statfs t; long c = *(t.f_spare);]])],
+ [fu_cv_sys_truncating_statfs=yes],
+ [fu_cv_sys_truncating_statfs=no])])
+ if test $fu_cv_sys_truncating_statfs = yes; then
+ AC_DEFINE(STATFS_TRUNCATES_BLOCK_COUNTS, 1,
+ [Define if the block counts reported by statfs may be truncated to 2GB
+ and the correct values may be stored in the f_spare array.
+ (SunOS 4.1.2, 4.1.3, and 4.1.3_U1 are reported to have this problem.
+ SunOS 4.1.1 seems not to be affected.)])
+ fi
+ AC_MSG_RESULT($fu_cv_sys_truncating_statfs)
+])
+
+
+# Prerequisites of lib/fsusage.c not done by jm_FILE_SYSTEM_USAGE.
+AC_DEFUN([gl_PREREQ_FSUSAGE_EXTRA],
+[
+ AC_REQUIRE([jm_AC_TYPE_UINTMAX_T])
+ AC_CHECK_HEADERS_ONCE(fcntl.h)
+ AC_CHECK_HEADERS(dustat.h sys/fs/s5param.h sys/filsys.h sys/statfs.h sys/statvfs.h)
+ jm_STATFS_TRUNCATES
+])