Submitted by: Sascha Schumann <sascha@schumann.cx>

Reviewed by:	Rasmus Lerdorf

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@84368 13f79535-47bb-0310-9956-ffa450edef68

diff --git a/acinclude.m4 b/acinclude.m4
index 6ab9ca7e077a7de8fa41306d55411a5318c81f14..5fbbd82443befa80e4fcf210b3d12e6b093ac51e 100644 (file)
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -87,7 +87,7 @@ dnl
 dnl execute code, if variable is not set in namespace
 dnl
 AC_DEFUN(APACHE_ONCE,[
-  unique=`echo $ac_n "$2$ac_c" | tr -c -d a-zA-Z0-9`
+  unique=`echo $ac_n "$2$ac_c" | tr -cd a-zA-Z0-9`
   cmd="echo $ac_n \"\$$1$unique$ac_c\""
   if test -n "$unique" && test "`eval $cmd`" = "" ; then
     eval "$1$unique=set"