Try the patch to apache-1.3.14/src/include/httpd.h below. Worked for me.
Danny Aldham Providing Certified Internetworking Solutions to Business
www.postino.com E-Mail, Web Servers, Web Databases, SQL PHP & Perl
> For some reason mod_perl-1.24 is failing to configure with apache 1.3.14:
> ************* WARNING *************
>
> Apache Version 1.3.0 required, aborting...
>
> ************* WARNING *************
--- httpd.h.orig Fri Oct 13 12:09:12 2000
+++ httpd.h Fri Oct 13 12:10:25 2000
@@ -460,7 +460,9 @@
#define SERVER_BASEVENDOR "Apache Group"
#define SERVER_BASEPRODUCT "Apache"
#define SERVER_BASEREVISION "1.3.14"
-#define SERVER_BASEVERSION SERVER_BASEPRODUCT "/" SERVER_BASEREVISION
+/* mod_perl doesn't seem to be able to cope with the following */
+/* #define SERVER_BASEVERSION SERVER_BASEPRODUCT "/" SERVER_BASEREVISION
*/
+#define SERVER_BASEVERSION "Apache/1.3.14"
#define SERVER_PRODUCT SERVER_BASEPRODUCT
#define SERVER_REVISION SERVER_BASEREVISION
