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.

winegcc: Disable exporting all symbols on mingw targets.
b0908666 · Jacek Caban · Alexandre Julliard · 7b9d0a1b · b0908666
Commit b0908666 authored Jun 26, 2023 by Jacek Caban Committed by Alexandre Julliard Jun 27, 2023
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winegcc.c tools/winegcc/winegcc.c +1 -0

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--- 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 ));