mod_lua: Actually check whether interpreting the base structure of a file works or not, don't just assume it works.

git-svn-id: http://svn.apache.org/repos/asf/httpd/httpd/trunk@1578870 13f79535-47bb-0310-9956-ffa450edef68
fix message number

git-svn-id: http://svn.apache.org/repos/asf/httpd/httpd/trunk@1578882 13f79535-47bb-0310-9956-ffa450edef68
typo fix

git-svn-id: http://svn.apache.org/repos/asf/httpd/httpd/trunk@1578895 13f79535-47bb-0310-9956-ffa450edef68
Check if PCRE_DUPNAMES exists at configure time


git-svn-id: http://svn.apache.org/repos/asf/httpd/httpd/trunk@1579259 13f79535-47bb-0310-9956-ffa450edef68
And use #error if we get past configure...


git-svn-id: http://svn.apache.org/repos/asf/httpd/httpd/trunk@1579267 13f79535-47bb-0310-9956-ffa450edef68