the build src/ directory -- at the front.
($(srcdir)/$x-tests): Depend on Makefile.am.
Use $x as the program name, except when it would be `test' (test is
the sole program tested via mk-script that is also a shell built-in).
In that case, use the old ../../src/$x.
(mk_script): Set to ../mk-script.
(x-tests): Use `$(PERL) -w -- $(mk_script)', not ./mk-script.
Remove @MAINT@ cruft.
(Makefile.am): Likewise.
Remove @MAINT@ cruft. Now `missing' will explain the failure
when people don't have Perl yet modify a file whose rebuilding
would lead to the use of Perl.
Jim Meyering