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Add support for yosys and iverilog on osx arm64 #293

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Add support for yosys and iverilog on osx arm64 #293

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Commits on Feb 15, 2023

  1. yosys: add -Wno-c++11-narrowing to Makefile 

    There are several bugs in `abc` that cause it to cast `unsigned` to
`int`. The Conda version of clang doesn't like this, and generates
an error.

The default yosys build for clang adds this argument, however the
conda-eda version of the Makefile was missing it.

This fixes builds on arm64.

Signed-off-by: Sean Cross <[email protected]>
    @xobs
    xobs committed Feb 15, 2023
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  2. yosys: use clang 14.0 

    Previously, yosys on osx was using clang 4.0. However, 12.0
and 14.0 are the only versions of clang available to conda
on arm64.

Use the latest version. This is available for both x64 and arm64.

Signed-off-by: Sean Cross <[email protected]>
    @xobs
    xobs committed Feb 15, 2023
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  3. icarus: add osx arm64 compatibility 

    There are two changes that are necessary to get arm64 compatibility
working on osx:

1. The configure script needs to be regenerated, and
2. The clang version needs to be bumped.

A new configure script has been submitted for inclusion upstream.
Patch the existing one while we wait for it to get merged.

Signed-off-by: Sean Cross <[email protected]>
    @xobs
    xobs committed Feb 15, 2023
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