@cd $(top_builddir); \
set -e; \
$(SHELL_SET_X); \
- TOPDIR=. CC="$(CC)" /bin/sh extra/scripts/gen_bits_syscall_h.sh > include/bits/sysnum.h.new; \
+ top_builddir=. CC="$(CC)" /bin/sh extra/scripts/gen_bits_syscall_h.sh > include/bits/sysnum.h.new; \
if cmp include/bits/sysnum.h include/bits/sysnum.h.new >/dev/null 2>&1; then \
$(RM) include/bits/sysnum.h.new; \
else \