dev-cpp-users

[Dev-C++] Linking Issues In Dev C++

[Saikat K. <sx...@ho...>]

Hello:
I am sort of a newbie at using bloodshed dev-c++.
I am writing a JNI application to interface with a c library (lets say the c 
library file is called foo.dll) inside Bloodshed Dev C++ .  To do this I 
want to create a dll from a jni c file that in turn calls a function inside 
this foo.dll.  I was wondering what I need to do in my project settings to 
link in this dll file , is it the -l or the -o option that is needed to link 
in a dll..

Thanks for your help
SK



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Re: [Dev-C++] Linking Issues In Dev C++

[Carlos d. M. <cg...@wo...>]

First of all, I'm not familiar with dlls. But dll is dynamic link library=
, which
means the linking takes place at run time, so you haven't to pass any opt=
ion
about it to the compiler. You only need:
-Link to the import library, libfoo.a, if you make an implicit dll load. =
This
file has an EXPORT table for the functions and variables that will be exp=
orted
=66rom the dll.
-Add the appropriate code to the sources for load it when needed and unlo=
ad it
when needed. Such LoadLibrary(hInstance, another parameter?s?) (see
documentation and tutorials) and FreeLibrary(hInstance) and it will link =
to it
at run time. If explicit dll load.

Saikat Kanjilal escribi=F3:

> Hello:
> I am sort of a newbie at using bloodshed dev-c++.
> I am writing a JNI application to interface with a c library (lets say =
the c
> library file is called foo.dll) inside Bloodshed Dev C++ .  To do this =
I
> want to create a dll from a jni c file that in turn calls a function in=
side
> this foo.dll.  I was wondering what I need to do in my project settings=
 to
> link in this dll file , is it the -l or the -o option that is needed to=
 link
> in a dll..
>
> Thanks for your help
> SK
>
> _________________________________________________________________
> MSN 8 with e-mail virus protection service: 2 months FREE*
> http://join.msn.com/?page=3Dfeatures/virus
>
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Re: [Dev-C++] Linking Issues In Dev C++

[Louis G. <lg...@ya...>]

Carlos,

Can you give the doc(s) or tutorial(s) that you mention in your note ?

--- Carlos García del Monte <cg...@wo...> wrote:
> First of all, I'm not familiar with dlls. But dll is dynamic link
> library, which
> means the linking takes place at run time, so you haven't to pass any
> option
> about it to the compiler. You only need:
> -Link to the import library, libfoo.a, if you make an implicit dll load.
> This
> file has an EXPORT table for the functions and variables that will be
> exported
> from the dll.
> -Add the appropriate code to the sources for load it when needed and
> unload it
> when needed. Such LoadLibrary(hInstance, another parameter?s?) (see
> documentation and tutorials) and FreeLibrary(hInstance) and it will link
> to it
> at run time. If explicit dll load.
> 
> Saikat Kanjilal escribió:
> 
> > Hello:
> > I am sort of a newbie at using bloodshed dev-c++.
> > I am writing a JNI application to interface with a c library (lets say
> the c
> > library file is called foo.dll) inside Bloodshed Dev C++ .  To do this
> I
> > want to create a dll from a jni c file that in turn calls a function
> inside
> > this foo.dll.  I was wondering what I need to do in my project
> settings to
> > link in this dll file , is it the -l or the -o option that is needed
> to link
> > in a dll..
> >
> > Thanks for your help
> > SK
> >
> > _________________________________________________________________
> > MSN 8 with e-mail virus protection service: 2 months FREE*
> > http://join.msn.com/?page=features/virus
> >
> > -------------------------------------------------------
> > This sf.net email is sponsored by: See the NEW Palm
> > Tungsten T handheld. Power & Color in a compact size!
> > http://ads.sourceforge.net/cgi-bin/redirect.pl?palm0001en
> > _______________________________________________
> > Dev-cpp-users mailing list
> > Dev...@li...
> > TO UNSUBSCRIBE: http://www.noicys.cjb.net/devcpp/ub.htm
> > https://lists.sourceforge.net/lists/listinfo/dev-cpp-users
> 
> 
> 
> -------------------------------------------------------
> This sf.net email is sponsored by: See the NEW Palm
> Tungsten T handheld. Power & Color in a compact size!
> http://ads.sourceforge.net/cgi-bin/redirect.pl?palm0001en
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> Dev-cpp-users mailing list
> Dev...@li...
> TO UNSUBSCRIBE: http://www.noicys.cjb.net/devcpp/ub.htm
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Re: [Dev-C++] Linking Issues In Dev C++

[Carlos d. M. <cg...@wo...>]

The documentation is that which comes with WIN32 API Programmer's reference
(12MB download where I found it, but you can find it on-line at
http://msdn.microsoft.com in the section library, which I think you go there
adding /library to the url.). I can copy and paste and send you the page if
you want.
See ld or dllwrap or libtool documentation you can find at
http://www.mingw.org in documentation section, add /docs.html, there is a
little paragraph with an example of dll. There is a link to a page
(http://mefriss1.swan.ac.uk/~jfonseca/gnu-win32/documentation/chm/index.html)
where you can download it as a .chm file.
There should be a link to some site where it's said something about this
matter with gcc. You can reach it through the mumit khan's ports (ported
software section), but I'm not sure and I have not it yet.
I found a little tutorial at http://www.gamecoding.co.uk called memory
management in dlls, it's useful, although not deep, there is a tip about make
a dll for classes and portable (oh, yeah!), but I didn't achieve to make it
work. Perhaps I'll send a couple of ideas about it to the list for a little of
discussion.
For more tuts or docs, search at altavista or google

[Dev-C++] new

[Tina <ti...@td...>]

Hi

Im new on the list, and in programming, i have tryed a tut but i can´t
compile it, when i hit compile button, it just says no errors and no
outputs.

What do i do wrong? any ideas?

Tina