Embedding Perl under Win32

At the time of this writing (5.004), there are two versions of Perl which run under Win32. (The two versions are merging in 5.005.) Interfacing to ActiveState's Perl library is quite different from the examples in this documentation, as significant changes were made to the internal Perl API. However, it is possible to embed ActiveState's Perl runtime. For details, see the Perl for Win32 FAQ at

With the ``official'' Perl version 5.004 or higher, all the examples within this documentation will compile and run untouched, although the build process is slightly different between Unix and Win32.

For starters, backticks don't work under the Win32 native command shell. The ExtUtils::Embed kit on CPAN ships with a script called genmake, which generates a simple makefile to build a program from a single C source file. It can be used like this:

C:\ExtUtils-Embed\eg> perl genmake interp.c
C:\ExtUtils-Embed\eg> nmake
C:\ExtUtils-Embed\eg> interp -e "print qq{I'm embedded in Win32!\n}"

You may wish to use a more robust environment such as the Microsoft Developer Studio. In this case, run this to generate perlxsi.c:

perl -MExtUtils::Embed -e xsinit

Create a new project and Insert -> Files into Project: perlxsi.c, perl.lib, and your own source files, e.g. interp.c. Typically you'll find perl.lib in C:\perl\lib\CORE, if not, you should see the CORE directory relative to perl -V:archlib. The studio will also need this path so it knows where to find Perl include files. This path can be added via the Tools -> Options -> Directories menu. Finally, select Build -> Build interp.exe and you're ready to go.

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