On Mon, Feb 08, 2021 at 11:14:22AM +0800, xry...@mengyan1223.wang wrote:
> Please help me to test my glibc workaround in this thread. If it works,
> crt1.o should have no "needed" ISA markers (even x86-64-baseline should
> not be there). Then we can add it as a note in the book.
> If it was on binutils sid, it should be diagnosticed already in the
> editors' builds. We use -march in GMP and libffi so their test suites
> would immediately fail, if it was a binutils issue.
> I think it's not glibc devs, just other packagers or distro maintainers
> like us thought it was a binutils issue. I actually left a wrong comment
> in the BZ. No way to delete it :(.
> Sorry again for the bad formatting on my phone.
Thanks for reminding me of that workaround, I'd lost sight of it. To
quote you from upthread -
| You can turn off ISA marker with "libc_cv_include_x86_isa_level=no".
| Just append it to glibc configure line, like:
../configure --prefix=/usr \
--disable-werror \
--enable-kernel=3.2 \
--enable-stack-protector=strong \
--with-headers=/usr/include \
libc_cv_slibdir=/lib libc_cv_include_x86_isa_level=no
I've started the native build, but the machine is slow (i3, slow
DRAM) and I'm not sure it will get very far before I go to bed. My
revised plan is to wait for it to fail, whether that is failign the
build or failing to boot.
Assuming it does fail, I'll start again with that workaround.
ĸen
--
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code "418 I'm a teapot". The resulting entity body MAY be short and
stout. -- rfc 2324 (1st April 1998)
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