The following packages will be installed:
 fst 
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fst/
fst/.gitignore
fst/COPYING
fst/Makefile
fst/README
fst/audiomaster.c
fst/fpsparser.c
fst/fst.c
fst/fst.h
fst/fstconfig.c
fst/fstinfofile.c
fst/gtk.c
fst/jackvst.h
fst/jfst.c
fst/vestige/
fst/vestige/aeffectx.h
fst/vsti.c
fst/vstinfo.c
fst/vstwin.c
gcc -c -O2 -fPIC -pthread -I/usr/include/gtk-2.0 -I/usr/lib64/gtk-2.0/include -I/usr/include/pango-1.0 -I/usr/include/atk-1.0 -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/libpng16 -I/usr/include/pango-1.0 -I/usr/include/harfbuzz -I/usr/include/pango-1.0 -I/usr/include/libmount -I/usr/include/blkid -I/usr/include/fribidi -I/usr/include/cairo -I/usr/include/pixman-1 -I/usr/include/libxml2 -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/harfbuzz -I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include -fPIC -m32 -g -I. -I/usr/include -I/usr/include -I/usr/include/wine -I/usr/include/wine/windows -I/usr/local/include/wine -I/usr/local/include/wine/windows   -o audiomaster.o audiomaster.c
In file included from /usr/include/features.h:497,
                 from /usr/include/bits/libc-header-start.h:33,
                 from /usr/include/stdio.h:27,
                 from audiomaster.c:21:
/usr/include/gnu/stubs.h:7:11: fatal error: gnu/stubs-32.h: No such file or directory
    7 | # include <gnu/stubs-32.h>
      |           ^~~~~~~~~~~~~~~~
compilation terminated.
make: *** [Makefile:92: audiomaster.o] Error 1
fakeroot -- sh fst.SlackBuild Failed