[m-rev.] diff: fix `make install' for source distribution

[Ben Schmidt]

> Fix a bug that was causing `make install' to break when building
> Mercury from the source distribution.

I'd run across this problem, too, but hadn't looked into the cause.

> @@ -5049,33 +5079,27 @@
...
> +    % XXX The `<module>.all_int0s' variables is like `module.int0s' except

s/module.int0s/<module>.int0s

> +    % that it contains .int0 files for all modules, regardless of whether
> +    % they should have been created or not.  It is used by the rule for
> +    % `mmake realclean' to ensure that we clean up all the .int0 files,
> +    % including the ones that were accidently created by the bug described
> +    % above.

> @@ -5688,7 +5712,7 @@
>          "\t-echo $(", MakeVarName, ".optdates) | xargs rm -f\n",
>          "\t-echo $(", MakeVarName, ".trans_opt_dates) | xargs rm -f\n",
>          "\t-echo $(", MakeVarName, ".ints) | xargs rm -f\n",
> -        "\t-echo $(", MakeVarName, ".int0s) | xargs rm -f\n",
> +        "\t-echo $(", MakeVarName, ".all_int0s) | xargs rm -f\n",
>          "\t-echo $(", MakeVarName, ".int3s) | xargs rm -f\n",
>          "\t-echo $(", MakeVarName, ".opts) | xargs rm -f\n",
>          "\t-echo $(", MakeVarName, ".trans_opts) | xargs rm -f\n",

It may be worth documenting near here that the use of all_int0s is a 
workaround; just a short comment referring to the earlier comment.

Otherwise, looks good.

Ben.



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