Making a bare-metal cross Binutils package

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From: John Scott <[email protected]>
To: [email protected]
Subject: Making a bare-metal cross Binutils package
Date: Sat, 23 Jan 2021 18:24:19 -0500
Message-ID: <5430967.DvuYhMxLoT@t450>

Hi,

I'm looking into the most painless way to make cross Binutils for sh-elf, but
it seems like most documentation and tools are oriented towards Linux
crossbuilds. I see there is some code in the Binutils package for recognizing
GNU triplets, but setting TARGET=sh-elf and building fails with
x86_64-linux-gnu-gcc   stamps/build..o   -o stamps/build.
/usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/10/../../../x86_64-linux-gnu/Scrt1.o: in function `_start':
(.text+0x20): undefined reference to `main'
collect2: error: ld returned 1 exit status
make: *** [<builtin>: stamps/build.] Error 1

The Electronics Team seems to use various ugly hacks for their
cross-compilers. What would be the most effective strategy for tackling this?

Sincerely,
John
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