Re: Building for Microsoft Windows using MSYS

[mkraai]

Hi Benjamin,

Thanks for the information.

I tried to follow the instructions in
HOWTO.txt.

BLAS failed to build because blas.tgz
now contains all of the files within the blas directory, so I updated the
build script.  It also failed to build because the function in scabs1.f
wasn't defined, so I added that file to makefile.mingw32 in blas-4.patch.

libpng and graphicsmagick failed to
build because the versions specified are no longer available, so I updated
the appropriate files.  Unfortunately, graphicsmagick still fails
to build with the following errors:

> Creating library file: Magick++/lib/.libs/libGraphicsMagick++.dll.aMagick++/lib/.libs/Exception.o:Exception.cpp:(.text+0x43):
undefined reference to `_imp___ZNSt9exceptionD2Ev'
> Magick++/lib/.libs/Exception.o:Exception.cpp:(.text+0x93):
undefined reference to `_imp___ZNSt9exceptionD2Ev'
> Magick++/lib/.libs/Exception.o:Exception.cpp:(.text+0xe0):
undefined reference to `_imp___ZNSt9exceptionD2Ev'
> Magick++/lib/.libs/Exception.o:Exception.cpp:(.text+0x120):
undefined reference to `_imp___ZNSt9exceptionD2Ev'
> Magick++/lib/.libs/Exception.o:Exception.cpp:(.text+0x196):
undefined reference to `_imp___ZNSt9exceptionD2Ev'
> Magick++/lib/.libs/Exception.o:Exception.cpp:(.text+0x1e6):
more undefined references to `_imp___ZNSt9exceptionD2Ev' follow
> 
> collect2: ld returned 1 exit status
> make[1]: *** [Magick++/lib/libGraphicsMagick++.la]
Error 1
> make[1]: *** Waiting for unfinished
jobs....
> make[1]: Leaving directory `/c/octave-forge/graphicsmagick/.build_mingw32_GraphicsMagick-1.3.9-4_gcc-4.4.0-dw2'
> make: *** [all] Error 2

Do you have any suggestions as to how
to fix this?

Here's a patch containing the changes
I've made:



Matt

"Benjamin Lindner" <address@hidden>

02/09/2010 11:56 PM

To	address@hidden, address@hidden
cc	address@hidden
Subject	Re: Building for Microsoft Windows using MSYS

> Hi Michael,
> 
> Thanks for the information.  I've been using the MinGW-based
binary 
> package that you pointed to, but since 3.2.4 was released and I didn't
see
> a binary package of it, I thought I'd try to build it myself.  Since
I 
> already have MSVC, I thought I'd try that.

3.2.4 built with mingw32 is not yet available.
I'd like to add a few new octave-forge packages, especially
the java-based ones around windows/io/jhandles, and the video 
package. Then the gnuplot version is also a bit outdated as 4.4 is 
approaching.

I am working on it, but as everybody else, I'm doing it in my 
spare time of which I don't have as much as I'd sometimes like
to have.

> Are there instructions for building Octave using MinGW or should I
wait or
> try compiling it with Cygwin?

Sort of. More or less. (You get the point...)
Take a look at 
https://octave.svn.sourceforge.net/svnroot/octave/trunk/octave-forge/admin/Windows/mingw32/HOWTO.txt

If you want to build using mingw32 gcc you can also take a 
look at the build environment on
https://octave.svn.sourceforge.net/svnroot/octave/trunk/octave-forge/admin/Windows/mingw32

There are a few snags along the way, so it's not entirely 
straightforward, but you are welcome to give it a try :)
If you do so, then you are also welcome to post questions and
feedback to the maintainer's list at maintainers at octave dot org.
I'd be glad to improve the build environment and/or the
documentation. It really only gets useful if somebody else
also can make use of it...

You can take one shortcut in building, if you like (this is
not documented properly in the howto yet):
Use the packaged libraries, corresponding import libraries 
and header files from the 3.2.3 installer which you will
find in the subdirs bin/, lib/ and include/ and use them
when building octave from source. This way you can skip the
procedure of building all libraries by yourself.
You'll at the moment still need to setup a MSYS environment
as documented in the HOWTO (the one shipped in the
installer is not the exact replica of the one used to build 
octave).
You can take the mingw32 compiler from the installer in mingw32/
though. Mind the the gcc runtime libraries (libgcc_s_dw2-1.dll,
libgfortran-3.dll, libstdc++-6.dll, mingwm10.dll) have been moved from
mingw32/bin/ to bin/ in the installer tree.

benjamin
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