Tests: Remove unnecessary dependency.

[pspp] / m4 / iswblank.m4

diff --git a/m4/iswblank.m4 b/m4/iswblank.m4
index 8f15f40e45492e8920ecdba656f51e36423ff843..275f1314fb5c09e369f6d6ae4545f3a2adf8a5cf 100644 (file)
--- a/m4/iswblank.m4
+++ b/m4/iswblank.m4
@@ -1,4 +1,4 @@
-# iswblank.m4 serial 1
+# iswblank.m4 serial 3
 dnl Copyright (C) 2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -8,6 +8,8 @@ AC_DEFUN([gl_FUNC_ISWBLANK],
 [
   AC_REQUIRE([gl_WCTYPE_H_DEFAULTS])
   AC_REQUIRE([gl_WCTYPE_H])
+  dnl Persuade glibc <wctype.h> to declare iswblank().
+  AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
   AC_CHECK_FUNCS_ONCE([iswblank])
   AC_CHECK_DECLS_ONCE([iswblank])
   if test $ac_cv_func_iswblank = no; then
@@ -22,7 +24,7 @@ AC_DEFUN([gl_FUNC_ISWBLANK],
   else
     if test $HAVE_ISWBLANK = 0 || test $REPLACE_ISWBLANK = 1; then
       dnl Redefine only iswblank.
-      AC_LIBOBJ([iswblank])
+      :
     fi
   fi