+dnl Checks for iconv.h and iconv_open
+AC_CHECK_HEADER(iconv.h,
+ SAVELIBS="$LIBS"
+ LIBS=""
+ AC_SEARCH_LIBS(iconv_open,iconv,
+ AC_DEFINE(HAVE_ICONV_H)
+ SAVELIBS="$SAVELIBS $LIBS")
+ LIBS="$SAVELIBS")
+
+dnl Checks for statfs and its many headers...
+AC_CHECK_HEADER(sys/mount.h,AC_DEFINE(HAVE_SYS_MOUNT_H))
+AC_CHECK_HEADER(sys/statfs.h,AC_DEFINE(HAVE_SYS_STATFS_H))
+AC_CHECK_HEADER(sys/statvfs.h,AC_DEFINE(HAVE_SYS_STATVFS_H))
+AC_CHECK_HEADER(sys/vfs.h,AC_DEFINE(HAVE_SYS_VFS_H))
+AC_CHECK_FUNCS(statfs statvfs)
+