master-x86_64: broken 'machine' symlink after make install-data

[Andrea Monaco]

Hello,


running "make DESTDIR=~/gnu64 install-data" on the master-x86_64 branch
produces a broken "machine" symlink inside ~/gnu64/include that points
to a non-existent x86_64 directory. That breaks building of mig.

This is due to line "ln -s '$(systype)'
'$(DESTDIR)$(include_machdir)'/machine" in Makefrag.am.

Maybe we could add an x86_64 -> i386 symlink, or perhaps better duplicate
the i386 directory with name x86_64 and work on that.



Andrea