Hoa Nguyen 73b0e88d6e scons: Add an option specifying the path to mold linker binary ...

To use mold linker with gcc of version older than 12.1.0, the user
has to pass the -B option to specify where the linker is. [1]

Currently in gem5, scons only looks for the mold binary at
conventional places, such as /usr/libexec/mold and
/usr/local/libexec/mold. There's no option to manually specify
the path to the linker.

gcc-12 and mold are not widely available on older systems. Having
an option to manually input the mold linker path allows users to use
built mold instances anywhere on the system, not just the default
locations in /usr where they may not have permission to install mold
(i.e., no sudo permissions).

[1] https://github.com/rui314/mold#how-to-use

Change-Id: Ifb2366a0c2342bf4e7207df8db6196e14184a9d4
Signed-off-by: Hoa Nguyen <hn@hnpl.org>

2023-09-01 00:31:28 -07:00

35 KiB

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