.

diff --git a/m4/stat.m4 b/m4/stat.m4
new file mode 100644 (file)
index 0000000..6ac3e02
--- /dev/null
+++ b/m4/stat.m4
@@ -0,0 +1,38 @@
+#serial 1
+
+dnl From Jim Meyering.
+dnl Determine whether stat has the bug that it succeeds when given the
+dnl zero-length file name argument.  The stat from SunOS4.1.4 does this.
+dnl
+dnl If it doesn't, arrange to use the replacement function.
+dnl
+dnl If you use this macro in a package, you should
+dnl add the following two lines to acconfig.h:
+dnl  /* Define to rpl_stat if the replacement function should be used.  */
+dnl  #undef stat
+dnl
+
+AC_DEFUN(jm_FUNC_STAT,
+[
+ AC_CACHE_CHECK([for working stat], jm_cv_func_working_stat,
+  [AC_TRY_RUN([
+#   include <sys/types.h>
+#   include <sys/stat.h>
+
+    int
+    main ()
+    {
+      struct stat sbuf;
+      exit (stat ("", &sbuf) == 0 ? 1 : 0);
+    }
+         ],
+        jm_cv_func_working_stat=yes,
+        jm_cv_func_working_stat=no,
+        dnl When crosscompiling, assume stat is broken.
+        jm_cv_func_working_stat=no)
+  ])
+  if test $jm_cv_func_working_stat = no; then
+    LIBOBJS="$LIBOBJS stat.o"
+    AC_DEFINE_UNQUOTED(stat, rpl_stat)
+  fi
+])