do all cd's starting from build directory.
From-SVN: r2624
if [ -d $(tooldir)/include/. ] ; then \
$(SYMLINK) $(tooldir)/include $(libsubdir)/sys-include \
|| (if [ -d $(libsubdir)/sys-include ] ; then true ; else mkdir $(libsubdir)/sys-include ; fi; \
- cd $(tooldir)/include; tar cf - . | (cd $(libsubdir)/sys-include; tar xpf -)); \
+ (cd $(tooldir)/include; tar cf - .) | (cd $(libsubdir)/sys-include; tar xpf -); \
else true; fi; \
else true; \
fi; \