Gtkmozembed on 32 and 64 bit machines

I need to use gtkmozembed. I was unsuccessful in getting it to compile
on my Fedora Core 6 x86_64 machine. I created a virtual 32-bit version
of FC6 using the VMWare server. Same hardware. gtkmozembed compiles
and runs in my software fine on the 32 bit machine, but I can’t make it
compile or run on the 64 bit machine. I even took files created on the
32 bit machine and put them on the 64 bit, but that doesn’t work because
the libraries go in different places. I tried to copy the libraries to
where they could be found, but that doesn’t work either.

Is someone able to walk me through the solution to this problem?

Thanks, Alan


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Alan L. wrote:

I need to use gtkmozembed. I was unsuccessful in getting it to compile
on my Fedora Core 6 x86_64 machine. I created a virtual 32-bit version

Hi Alan,
can you consider installing Debian/etch?

This will avoid you the burden of compiling yourself:
http://packages.debian.org/testing/devel/libgtk-mozembed-ruby

HTH,
Mirko


Mirko M.
Ubuntu: an African word meaning “I can’t figure out how to configure
Debian”


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Mirko M. wrote:

Alan L. wrote:

I need to use gtkmozembed. I was unsuccessful in getting it to compile
on my Fedora Core 6 x86_64 machine. I created a virtual 32-bit version

Hi Alan,
can you consider installing Debian/etch?

This will avoid you the burden of compiling yourself:
Debian -- Error

On the other hand, if you want to compile it yourself and do it on a
64bit
fedora I think you should try to avoid mixing 32 and 64 bit. Also
remember
to install the development packages for the 64 bit version of firefox
and/or
xulrunner.

Mirko


Mirko M.


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The software that I am writing is to be distributed free to
non-technical people. Therefore, I need to prepare packages that do not
require technical expertise to use. The product I wish to replace )and
whose capabilities I wish to extend) is a Windows only product (because
it was written in Visual Basic). The VB product can be seen at
bennieblount.org - This website is for sale! - bennieblount Resources and Information. .

I am satisfied that my software will run on my 32-bit Fedora Core 6. I
can test it there. My intent is that the software should be able to be
run on as many platforms as possible. Because I don’t know exactly what
is going on behind the scenes with gtkmozembed, I must guess what I need
to do to make it run on my 64 bit platform as just one of the platforms
I wish to test on. Then, I need to extend that knowledge to other
platforms, such as Mac and Windows.

I am only now coming to the conclusion that the compile of gtkmozembed
in this Ruby-gnome environment requires only one of
xulrunner-gtkmozembed.pc, firefox-gtkmozembed.pc or
mozilla-gtkmozembed.pc. Can this be confirmed or denied?

I started out by thinking that I had to have xulrunner-gtkmozembed.pc
and firefox-gtkmozembed.pc. It did strike me as illogical that I needed
both firefox-gtkmozembed.pc and mozilla-gtkmozembed.pc. Because I don’t
know what these do, I could be wrong about that.

I followed the instructions on Mozilla’s site for xulrunner and
installed it on /opt/xulrunner. The file I downloaded had “686” in the
name, so I supposed that it was the 64 bit version. At any rate, I had
no options. After unpacking it, I ran “xulrunner --register-global”. I
then found a copy of xulrunner-gtkmozembed.pc in /usr/lib/pkgconfig/
where I also have a copy of firefox-gtkmozembed.pc. (I have a directory
/usr/lib64/pkgconfig, but there’s no copy of either of these files
there.) Therefore, I guess that xulrunner, even though it is a 64 bit
version, produced a 32 bit xulrunner-gtkmozembed.pc.

I changed to ~/Software/ruby-gnome2-all-0.16.0/gtkmozembed/sample/ and
ran “ruby ruby-gecko.rb”. I got the message

./gtkmozembed.rb:2:in require': no such file to load -- gtkmozembed.so (LoadError) from ./gtkmozembed.rb:2 from ruby-gecko.rb:33:in require’
from ruby-gecko.rb:33

I found myself in possession of gtkmozembed.so in
/usr/lib/ruby/site_ruby/1.8/i386-linux/ as well as one in
/usr/lib64/python2.4/site-packages/gtk-2.0/. To make certain that I’d
know that I was gaining access to the right one, I copied both
gtkmozembed.rb and /usr/lib/ruby/site_ruby/1.8/i386-linux/gtkmozembed.so
into ~/Software/ruby-gnome2-all-0.16.0/gtkmozembed/sample/ and ran “ruby
ruby-gecko.rb” again. I got the error message:

./gtkmozembed.so: ./gtkmozembed.so: wrong ELF class: ELFCLASS32 -
./gtkmozembed.so (LoadError)
from ./gtkmozembed.rb:2
from ruby-gecko.rb:33:in `require’
from ruby-gecko.rb:33

which is what I’d expect if ruby is 64 bit and gtkmozembed.so is 32
bit. Because I didn’t get a 64 bit version of gtkmozembed.so from
firefox, I got “smart” and copied the one from
/usr/lib64/python2.4/site-packages/gtk-2.0/. This time, I got the
message

./gtkmozembed.so: ./gtkmozembed.so: undefined symbol: PyExc_ImportError

  • ./gtkmozembed.so (LoadError)
    from ./gtkmozembed.rb:2
    from ruby-gecko.rb:33:in `require’
    from ruby-gecko.rb:33

Obviously, the file from Python isn’t going to work. I don’t know what
to do from here. The firefox-devel package from Red Hat is only in the
i386 version. I suppose that I can try to find one in the 64 bit
version, but, if I don’t get it from Red Hat, what I find might mess up
some other part of my system.

Has anyone a suggestion as to how I can distribute this software as
multi-platform, even if I offer a package for each of several platforms?

Thanks,
Alan

Mirko M. wrote:

This will avoid you the burden of compiling yourself:


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I learned something. Thanks.

Mirko M. wrote:

Alan L. wrote:

installed it on /opt/xulrunner. The file I downloaded had “686” in the
name, so I supposed that it was the 64 bit version. At any rate, I had

686 means it’s optimized for pentium pro/II. It’s not the 64 bit version.


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Alan L. wrote:

installed it on /opt/xulrunner. The file I downloaded had “686” in the
name, so I supposed that it was the 64 bit version. At any rate, I had

686 means it’s optimized for pentium pro/II. It’s not the 64 bit
version.


Mirko


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