[PD] Again on external compilation for windows: MINGW

[Hans-Christoph Steiner]

It would be good to have these instructions as a wiki page in http:// 
puredata.org/docs/developer.

There is also the MinGW instructions for building Pd-extended.

http://puredata.org/docs/developer/mingw

.hc

On Jun 29, 2007, at 11:45 AM, alberto.zin at poste.it wrote:

> If someone cares I wrote few lines about compilation
> of externals on win using mingw (in the PD forum).
> The procedure is oversimplified on some parts
> but here it is. If you have comments (or if there
> are errors) just let me know.
>
>
> Even if MSVC offers an integrated environment for
> developing there
> can be some good reasons for giving a try to the old-man
> "unix" way of
> compiling, which in windows is best represented by MINGW32 and
> cygwin. Both offers linux-like environments (i.e. command
> line tools)
> for compiling and other shell tasks which, sometimes, in
> windows are
> a pain in the ass.
> There are at least three good reasons for giving a look at
> mingw:
>
> 1) gives strong linux compatibility on external compilation
>     (almost same command lines arguments etc.)
> 2) there is the possibility to use makefiles in an almost
> straightforward way
>     (with minor modifications to linux makefiles).
> 3) no dependency on expensive MS programs (except for the
>     small, bug-free Operating System ;-)
>
> I did this exercise by porting the E. Lyon "LyonPoutpourry"
> externals for win
> (http://www.sarc.qub.ac.uk/~elyon/LyonSoftware/Pd/). Give a
> look at
> the win source package: inside there is a makefile for
> darwin (MAC)
> linux and win. I added the latter, and as you can see the
> modifications
> are minor.
>
> ----------- 1. Prelude: compilation environment
> ------------------
>
> First of all we have to set once for all the compilation
> environment.
> Let's forget for the moment cygwin and concentrate on
> mingw32 (http://www.mingw.org/). The following is taken from
> (H.C. Steiner's wiki
> http://www.puredata.org/docs/developer/mingw)
>
> Download the MinGW package installer and run it:
> (http://prdownloads.sourceforge.net/ming … -5.1.1.exe)
> Choose the Candidate distribution. Install the defaults and
> add the g++ compiler, g77 compiler, and MinGW make or you
> can just download my MinGW install, MinGW-Pd.tar.bz2, and
> uncompress it so that its installed into C:\MinGW.
>
> Then we need MSYS which is a shell (an interpreter of the
> commands, like a
> colorful dos prompt ;-)
> http://prdownloads.sourceforge.net/ming … 1.0.10.exe
>
> Now you will be using the MSYS shell that was installed from
> the MSYS installer. You can launch it from the Desktop
> shortcut or Start -> Programs -> MinGW -> MSYS -> msys
>
> ----------- 2. Allegro: compilation trial ------------------
>
> a. open MSYS
>
> b. at the prompt type:
> cd c:
> (or the drive you whish to go for the pd external compilation)
>
> c. go to the external directory (note the backslashes
> instead of slashes !),
> mine is external-compiling. Inside I have helloworld.c
> cd
> alberto/backup/PureData_Archive/patches/AlbertoZ/external-compiling/
>
> d. copy m_pd.h (from the PD distribution directory) into
> external-compiling
> (or whatever is its name)
>
> e. type:
> gcc -c helloworld.c -o helloworld.o
>
> f. type:
> ld -export_dynamic -shared -o helloworld.dll helloworld.o
> c:/Programmi/pd039e
> xt4/bin/pd.dll
>
> (this is the linker step. note that I linked to a particular
> version of pd.dll - 0.39 extended test 4, so probably (I'm
> not sure about this) the external will
> run on 0.39 only. Can someone confrm this?)
>
> g. If everything was ok then you should have a
> helloworld.dll in your
> directory. Move it on the extra folder of your pd distribution
> (I assume that extra folder is in the pd predefined path)
> and make a
> new patch with the helloworld object.  Again, if everything
> is correct,
> you should have a "Hello world!!" printed on the console.
>
> ----------- 3. Adagio: makefile ------------------
>
> A makefile can be used for compilation. Even if a simple
> helloworld
> application does not need it, complex programs may do.
>
> The makefile.win is attached with this post. Modify it
> according to your
> path in
> Make sure you have
>
> helloworld.c
> m_pd.h
> makefile.win
>
> in your directory. Now type at MSYS prompt:
>
> make -f makefile.win
>
> This will automatically produce:
> the object, the linker step (the dll) and will copy the
> helloworld.dll
> in the extra folder of you pd distribution (overwriting the
> existing one ;-).
>
> ----------- 4. Allegro con brio: conclusions ------------------
>
> Why not give a try to the old-man compilation on Win?
> :-)
>
> ----------- 5. Minuetto: greetings ------------------
>
> I apologize if I said some crap somewhere, just let me know
> if it
> doesn't work. Have fun!
>
> Best regards,
>
> Alberto
>
>
>
> http://puredata.org/Members/AlbertoZ
> <Makefile.win>
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