Jacek Caban : winegcc: Disable exporting all symbols on mingw targets.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: b0908666639d5dfe825b5d5f3b9893bed00822d2
URL:    https://gitlab.winehq.org/wine/wine/-/commit/b0908666639d5dfe825b5d5f3b9893b...

Author: Jacek Caban 
Date:   Mon Jun 26 21:00:54 2023 +0200

winegcc: Disable exporting all symbols on mingw targets.

Mingw targets export all symbols by default if there is no explicit
export. We generate export table in winebuild and don't use explicit
exports. This may make linker generate an unused export-all table.

Spotted by Gabriel Ivăncescu.

---

tools/winegcc/winegcc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/winegcc/winegcc.c b/tools/winegcc/winegcc.c
index b6a6c42068d..9d73252411b 100644
--- a/tools/winegcc/winegcc.c
+++ b/tools/winegcc/winegcc.c
@@ -407,6 +407,7 @@ static struct strarray get_link_args( struct options *opts, const char *output_n
         if (opts->nostartfiles || opts->use_msvcrt) strarray_add( &flags, "-nostartfiles" );
         if (opts->subsystem) strarray_add( &flags, strmake("-Wl,--subsystem,%s", opts->subsystem ));

+        strarray_add( &flags, "-Wl,--exclude-all-symbols" );
         strarray_add( &flags, "-Wl,--nxcompat" );

if (opts->image_base) strarray_add( &flags, strmake("-Wl,--image-base,%s", opts->image_base ));