-#serial 6
+#serial 9
# 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.
#
# jm_FILE_SYSTEM_USAGE([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]])
-AC_DEFUN(jm_FILE_SYSTEM_USAGE,
+AC_DEFUN([jm_FILE_SYSTEM_USAGE],
[
echo "checking how to get filesystem space usage..."
ac_fsusage_space=yes)
fi
-dnl FIXME: this should use AS_IF instead:
-dnl AS_IF([test $ac_fsusage_space = found], [$1], [$2])
-if test $ac_fsusage_space = yes; then
-$1
-else
-$2
-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 limits.h)
+ AC_CHECK_HEADERS(dustat.h sys/fs/s5param.h sys/filsys.h sys/statfs.h sys/statvfs.h)
+ jm_STATFS_TRUNCATES
])