X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fwmemchr.m4;h=b2a2052918a7c22a378bb20078027ea3d0c80380;hb=ce38c27828c6a3286e99e312d50fe140a1ec334b;hp=9a52b34f2dc74443cdfd09c8b9f155e11d5bd78d;hpb=b9a6d36d0c6fdde73a891e98ad7651f120ef49b0;p=gnulib.git

diff --git a/m4/wmemchr.m4 b/m4/wmemchr.m4
index 9a52b34f2..b2a205291 100644
--- a/m4/wmemchr.m4
+++ b/m4/wmemchr.m4
@@ -6,5 +6,10 @@ dnl with or without modifications, as long as this notice is preserved.
 
 AC_DEFUN([gl_FUNC_WMEMCHR],
 [
-  AC_REPLACE_FUNCS([wmemchr])
+  AC_REQUIRE([gl_WCHAR_H_DEFAULTS])
+  AC_CHECK_FUNCS_ONCE([wmemchr])
+  if test $ac_cv_func_wmemchr = no; then
+    HAVE_WMEMCHR=0
+    AC_LIBOBJ([wmemchr])
+  fi
 ])