Wt

Hi,

What is the correct way to build "Hello World" from listing 1 of:

A gentle introduction to the Wt C++ Toolkit for Web Applications.

This article is a tutorial distributed with Wt 3.1.1.
(I would include the short C++ program, but angle-brackets confuse the forum submission process)

I am confused by the lack of a definition for main() in the code.

A different but related question follows.
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A different version of "Hello" is distributed in the examples of Wt 3.1.1.
It is hello.C. It does include a
definition for main() (and no definition for wmain()).

I have successfully compiled the non-FastCGI version with the command:

gcc -o hello.wthttp hello.C -I/usr/local/include -I/usr/local/include/Wt -L/usr/local/lib -lwt -lwthttp

It successfully runs on the wt-server (wthttp) with the command:

./hello.wthttp --docroot . --http-address 192.168.0.100  --http-port 8080

However, my compilation fails when I change -lwthttp to -lfcgi and try to compile with

gcc -o hello.fcgi hello.C -I/usr/local/include -I/usr/local/include/Wt -L/usr/local/lib -lwt -lfcgi

This is an attempt to make a FastCGI executable.
But compilation fails because Wt::WRun() is not defined in -lfgci (in otherwords libfgci.so).
This makes some sense since WRun() launches the wt-server, while FastCGI wouldn't need such a launch.

What is the correct way to compile this code for FastCGI?

Is it true that when compiling for non-FastCGI (i.e., wthttp) a definition for main() and a call to Wt::WRun()
are required, but when compiling for FastCGI no main() is define and compilation produces a non-executable
(perhaps a shared object)?

Thanks.