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From: "iains at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug modula2/102343] gm2/cpp/pass/subaddr.mod FAILs for non-default
 multilib
Date: Tue, 17 Jan 2023 16:52:20 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D102343

--- Comment #2 from Iain Sandoe <iains at gcc dot gnu.org> ---
Created attachment 54289
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D54289&action=3Dedit
Patch for discussion

This applies on top of the patch for PR108182 (and will most likely not work
without those changes).

 * -save-temps* should be fixed
 * we no longer try to write those files into the install directories
 * we should now support " gm2 -E .... "
 * renamed the pre-processed file extension to ".m2i" we cannot use ".i" or=
 GCC
will try to process it with cc1.
 * We now have default handers for .mod and .m2i (maybe we should add .def =
is
that something used stand-alone?) So trying to use them with a compiler wit=
hout
modula-2 should give a more sensible diagnostic.
 * we should handle " gm2 foo.mod.m2i "
 * last, but most important, we now collect the command line options needed=
 to
set the target state into the preprocessor command line.  This then provides
the correct pre-defines and the test case then does the right thing on a 32b
multilib on a 64b host.

If there are no comments in the next week or so I'll post this to the list.=