1 files changed, 0 insertions, 50 deletions
diff --git a/m4/strchrnul.m4 b/m4/strchrnul.m4
deleted file mode 100644
index b59eda9d..00000000
--- a/m4/strchrnul.m4
+++ /dev/null
@@ -1,50 +0,0 @@
-# strchrnul.m4 serial 9
-dnl Copyright (C) 2003, 2007, 2009-2013 Free Software Foundation, Inc.
-dnl This file is free software; the Free Software Foundation
-dnl gives unlimited permission to copy and/or distribute it,
-dnl with or without modifications, as long as this notice is preserved.
-
-AC_DEFUN([gl_FUNC_STRCHRNUL],
-[
-  dnl Persuade glibc <string.h> to declare strchrnul().
-  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
-
-  AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
-  AC_CHECK_FUNCS([strchrnul])
-  if test $ac_cv_func_strchrnul = no; then
-    HAVE_STRCHRNUL=0
-  else
-    AC_CACHE_CHECK([whether strchrnul works],
-      [gl_cv_func_strchrnul_works],
-      [AC_RUN_IFELSE([AC_LANG_PROGRAM([[
-#include <string.h> /* for strchrnul */
-]], [[const char *buf = "a";
-      return strchrnul (buf, 'b') != buf + 1;
-    ]])],
-        [gl_cv_func_strchrnul_works=yes],
-        [gl_cv_func_strchrnul_works=no],
-        [dnl Cygwin 1.7.9 introduced strchrnul, but it was broken until 1.7.10
-         AC_EGREP_CPP([Lucky user],
-           [
-#if defined __CYGWIN__
- #include <cygwin/version.h>
- #if CYGWIN_VERSION_DLL_COMBINED > CYGWIN_VERSION_DLL_MAKE_COMBINED (1007, 9)
-  Lucky user
- #endif
-#else
-  Lucky user
-#endif
-           ],
-           [gl_cv_func_strchrnul_works="guessing yes"],
-           [gl_cv_func_strchrnul_works="guessing no"])
-        ])
-      ])
-    case "$gl_cv_func_strchrnul_works" in
-      *yes) ;;
-      *) REPLACE_STRCHRNUL=1 ;;
-    esac
-  fi
-])
-
-# Prerequisites of lib/strchrnul.c.
-AC_DEFUN([gl_PREREQ_STRCHRNUL], [:])