-#serial 13
+#serial 14
# Use Gnulib's robust chdir function.
# It can handle arbitrarily long directory names, which means
AC_DEFUN([gl_FUNC_CHDIR_LONG],
[
- AC_CHECK_HEADERS_ONCE([unistd.h])
+ AC_REQUIRE([gl_PATHMAX_SNIPPET_PREREQ])
AC_CACHE_CHECK([whether this system has an arbitrary file name length limit],
gl_cv_have_arbitrary_file_name_length_limit,
[AC_EGREP_CPP([have_arbitrary_file_name_length_limit],
- [
-#if HAVE_UNISTD_H
-# include <unistd.h>
-#endif
-#include <limits.h>
-#if defined PATH_MAX || defined MAXPATHLEN
+ gl_PATHMAX_SNIPPET[
+#ifdef PATH_MAX
have_arbitrary_file_name_length_limit
#endif],
gl_cv_have_arbitrary_file_name_length_limit=yes,