On Thu, May 2, 2013 at 12:22 PM, oneat <oneat@xxxxx> wrote:
> Hi.
>
> I'm writing my first module in c++ for apache and this is its code in
> mod_cpp.cpp file:
>
> module AP_MODULE_DECLARE_DATA cpp_module =
> {
> STANDARD20_MODULE_STUFF,
> NULL,
> NULL,
> NULL,
> NULL,
> NULL,
> register_hooks
> };
>
> static int handle(request_rec *r){
>
> ap_set_content_type(r, "text/html");
> ap_rprintf(r, r->filename);
>
> }
>
> static void register_hooks(apr_pool_t *pool)
> {
> /* Create a hook in the request handler, so we get called when a request
> arrives */
> ap_hook_handler(handle, NULL, NULL, APR_HOOK_LAST);
> }
>
> However when I try to compile it install and actibvate by apxs -i -a -c
> mod_cpp.cpp I get:
>
> [oneat@localhost ~]$ sudo apxs -iac mod_cpp.cpp
> /usr/lib/apr-1/build/libtool --silent --mode=link gcc -std=gnu99
> -Wl,-z,relro,-z,now -o mod_cpp.la -rpath /usr/lib/httpd/modules -module
> -avoid-version mod_cpp.cpp
> apxs:Error: Sorry, cannot determine bootstrap symbol name.
> apxs:Error: Please specify one with option `-n'.
>
> then I tried
>
> sudo apxs -iac -n cpp mod_cpp.cpp
>
> and everything went well, but when I try to start apache I get:
>
> httpd: Syntax error on line 55 of /etc/httpd/conf/httpd.conf: Can't locate
> API module structure `cpp_module' in file /usr/lib/httpd/modules/mod_cpp.so:
> /usr/lib/httpd/modules/mod_cpp.so: undefined symbol: cpp_module
>
> Any ideas why?
>
> Regards, Peter.
>
>
Are you sure you're declaring anything you expect apache to be able to
find as extern C?
Try adding this line in your cpp file, before you declare cpp_module:
extern module cpp_module;
Cheers
Tom
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