Dependency Walker (http://www.dependencywalker.com/) is your friend when
searching for missing dependencies.
Le Jeudi 21 juillet 2016 6h49, David Grayson <[email protected]> a
écrit :
It's possible that libvlc is loading a config file or dynamically
loading some other DLLs. You might have to compile a debug version of
the library and step through it with gdb, or just spend some time
reading the source code of libvlc_new.
--David
On Wed, Jul 20, 2016 at 7:01 PM, eddie <[email protected]> wrote:
> Hi to all the MSYS2 community,
>
> At first MSYS2 is the solution i have search for years for making Windows
> version from my programs, passing trough code-block-mingw32, mingw alone,
> cygwin,...
>
> ---
>
> But i come to my problem:
>
> I can compile and launching my program mmp-2.1 which is an update from the
> Micro Music Player which I have build for Linux, the update will soon
> release in the hope their will be a Windows version too.
>
> :: extract from my Makefile
>
> CXXFLAGS = -mwindows -O2 -std=c++11 # we can try -static-libstdc++
> -static-libgcc -lstdc++ # but -lmingw32 make fail the build
>
> LDFLAGS = `pkg-config --cflags gtk+-3.0` `pkg-config --cflags libvlc`
>
> LDFLAGS = `pkg-config --libs gtk+-3.0` `pkg-config --libs libvlc`
>
>
>
> All success but when i come to distributing i heart to a wall:
>
> I have make a folder outside from the MSYS2 installation, then copy all the
> dependencies, and finally copy the required *.dll files into my ./bin folder
> like this
>
> ::
>
> ldd ./bin/mmp | grep mingw64 | cp $(gawk '{print $3}')
> /path/to/test/dir/bin
>
> And when i launch the program all works fine except the initialization from
> libvlc which always return NULL ???
>
> ::
>
> int main (int argc, char *argv[]) {
>
> // ...
>
> libvlc_instance_t * libvlc_inst = libvlc_new (0, NULL) ;
>
> if (libvlc_inst == NULL) {
> // The instance is always equal to NULL in the /path/to/test/dir/bin
> // But not in the MSYS2 home ???
> fprintf(stderr,"The unborn is killed in the winbee !\n") ;
> exit(EXIT_FAILURE) ;
> }
>
> // ...
>
> return 0 ;
>
> }
>
> Thanks for you answers about why my program works into the MSYS environment
> and not other way ?
>
> I think the problem is the libvlc because the program start but libvlc
> doesn't initialize.
>
> PS: Is it right to distribute only the *.dll contains into the /mingw64
> subfolders or must I add the *.dll from /c/windows too ?
>
> --
>
> 3D imaging web-site: www.3dreaming-imaging.net
> International web-site: www.open-source-projects.net
>
> ------------------------------------------------------------------------------
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What NetFlow Analyzer can do for you? Monitors network bandwidth and traffic
patterns at an interface-level. Reveals which users, apps, and protocols are
consuming the most bandwidth. Provides multi-vendor support for NetFlow,
J-Flow, sFlow and other flows. Make informed decisions using capacity planning
reports.http://sdm.link/zohodev2dev
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