make -C JWlink.build/dwarf/dw -f GccUnix.mak
mv cwd.exe.tmp cwd.exe
./mkcode -b copystub.com copystub.gh.tmp
mv copystub.gh.tmp copystub.gh
./mkcode -b decstub.com decstub.gh.tmp
checking build system type... make[1]: Entering directory '[home]/proj/build-ia16/build-causeway/JWlink.build/dwarf/dw'
mkdir GccUnixR
mv decstub.gh.tmp decstub.gh
sed 's/0x\(..\),/0\1h,/g; s/^/db /; s/,$//' copystub.gh >copystub.inc.tmp
cc -O2 -static  -m32 -c -Ih -I../../watcom/h -D__UNIX__ -DNDEBUG -O2 -D_WCUNALIGNED= -o GccUnixR/dwlngen.o c/dwlngen.c
mv copystub.inc.tmp copystub.inc
sed 's/0x\(..\),/0\1h,/g; s/^/db /; s/,$//' decstub.gh >decstub.inc.tmp
mv decstub.inc.tmp decstub.inc
cc -O2 -static  -m32 -c -Ih -I../../watcom/h -D__UNIX__ -DNDEBUG -O2 -D_WCUNALIGNED= -o GccUnixR/dwutils.o c/dwutils.c
In file included from /usr/include/errno.h:25,
                 from ../../watcom/h/watcom.h:36,
                 from c/dwutils.c:32:
/usr/include/features.h:461:12: fatal error: sys/cdefs.h: No such file or directory
  461 | #  include <sys/cdefs.h>
      |            ^~~~~~~~~~~~~
compilation terminated.
make[1]: *** [GccUnix.mak:38: GccUnixR/dwutils.o] Error 1
make[1]: *** Waiting for unfinished jobs....
cc  -Iwatcom -I. -O2 -Wall  watcom/cwc.c -o cwc-wat
In file included from /usr/include/assert.h:35,
                 from h/dwpriv.h:36,
                 from c/dwlngen.c:32:
/usr/include/features.h:461:12: fatal error: sys/cdefs.h: No such file or directory
  461 | #  include <sys/cdefs.h>
      |            ^~~~~~~~~~~~~
compilation terminated.
make[1]: *** [GccUnix.mak:38: GccUnixR/dwlngen.o] Error 1
make[1]: Leaving directory '[home]/proj/build-ia16/build-causeway/JWlink.build/dwarf/dw'
make: *** [Makefile:523: jwlink] Error 2
make: *** Waiting for unfinished jobs....