Re: [gtk-list] Re: Run Time Error

[robert_gasch peoplesoft com]

OK, this is actually quite simple:
     libxxx.a            a static library
     libxxx.so      a shared library (Windows people know this as a DLL)

When you link a static executable, you use the *.a library. When
you link a dynamic exectuable (preferred as it's much smaller)
you use the *.so file which is then loaded by the linker at program
startup time. If you have an executable, you can say
     ldd <my_program>
and it will tell you what shared libraries it will load upon startup. You
can
even 'observe' this happening in the log file generated by
     strace -o logfile <my_program>
if it's a dynamic executable ...

To answer your question: There's no set order/method in which
libraries are used; it depends on the way you built/linked your
executable ...

Hope this helps
--> Robert




Wenhao Meng <wenhao_meng@hotmail.com> on 07/06/99 04:59:33 PM

Please respond to gtk-list@redhat.com

To:   gtk-list@redhat.com
cc:
Subject:  [gtk-list] Re: Run Time Error


Hi:

I have similar error messages when I run an application using imlib.
Following your suggestions, I run ldconfig and found out the problem was
gone. Can someone tell me the difference between libxxx.a and libxxx.so.
Which one is loaded first when an application starts.

Thanks

Wenhao

>From: Geert Bevin <gbevin@thunderstorms.org>
>Reply-To: gtk-list@redhat.com
>To: gtk-list@redhat.com
>Subject: [gtk-list] Re: Run Time Error
>Date: Tue, 06 Jul 1999 00:08:58 +0200
>
>Are you sure that /usr/gtkinst/gtk+/lib is present in LD_LIBRARY_PATH or
>/etc/ld.so.conf? And have you run ldconfig after the install?
>
>Ashraf Saad wrote:
> >
> > hi,
> > i am new to GTK users, i have installed GTK with
>--prefix=/usr/gtkinst/gtk+
> > as argument for ./configure for both glib-1.2.3 and gtk+-1.2.3.
> > i tried to run helloworld example, after make is succeeded, i ran
> > ./helloworld but i got the following message:
> > ---------------------------------
> > error in loading shared libraries
> > libgtk-1.2.so.0: cannot open shared object file: No such file or
>directory.
> > ---------------------------------
> > although this file exists at /usr/gtkinst/gtk+/lib
> >
> > what should i do ?
> >
> > thanks
> >
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