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