[Bug c/102193] New: DLL linking with a external referenced DLL

2021-09-03 Thread arsoftware25 at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102193

Bug ID: 102193
   Summary: DLL linking with a external referenced DLL
   Product: gcc
   Version: unknown
Status: UNCONFIRMED
  Severity: normal
  Priority: P3
 Component: c
  Assignee: unassigned at gcc dot gnu.org
  Reporter: arsoftware25 at gmail dot com
  Target Milestone: ---

Hi Corina

just figured out that a .def file in a dll may export function from a dll that
is referenced in the compilation stage like this:

gcc file.c external.dll def.def -o out.dll

if in the def.def it has a function that is in the file.c and also available in
external.dll it may generate an invalid out.dll

I don't know but this looks like a problem in gcc that need to be fixed, spend
one hour modifying my function in file.c and it was linking with external.dll

then I commented the function inside file.c and saw the compilation stage
finished without a link error

if it is a GCC feature then a warning about expernal DLL linkage could help a
lot when the function exported is inside an external DLL

hope to have explained it in an easy way

Ricardo

[Bug driver/102193] DLL linking with a external referenced DLL

2021-09-03 Thread arsoftware25 at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102193

--- Comment #2 from Ricardo Santos Pereira  ---
thanks

BW

Em sex., 3 de set. de 2021 às 16:02, pinskia at gcc dot gnu.org <
gcc-bugzi...@gcc.gnu.org> escreveu:

> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102193
>
> Andrew Pinski  changed:
>
>What|Removed |Added
>
> 
>Last reconfirmed||2021-09-03
>  Ever confirmed|0   |1
>   Component|c   |driver
>  Status|UNCONFIRMED |WAITING
>
> --- Comment #1 from Andrew Pinski  ---
> Can you attach a testcase and exactly what you want to warn about?  Also
> GCC
> does not handle the linker so this might be a binutils issue
> (http://sourceware.org/bugzilla).
>
> --
> You are receiving this mail because:
> You reported the bug.