Hi Fangrui,
> FWIW: glibc recently got the grep -E change and the solution is to use
> plain grep -E, without $EGREP things.
> Isn't setting PATH a good workaround if Solaris has the problem?
>
> https://sourceware.org/pipermail/libc-alpha/2022-June/139420.html
while it's possible, the $PATH solution is fragile and I fear the errors
that one gets all over the place when it's missed are highly unintuitive
and hard to diagnose.
>> Yes, it is safe nowadays to use 'grep -E' instead of egrep. The only
>> vendor-supported platform I know of where '/usr/bin/grep -E' does not
>> work is Solaris 10 (end-of-life January 2024), and that's easily fixed by
>> prepending /usr/xpg4/bin to PATH.
I'm not concerned about Solaris 10 at all: it's no longer supported by
GCC and GDB and while binutils formally still does, there's not much
value in having current binutils with older gcc etc.
Rainer
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Rainer Orth, Center for Biotechnology, Bielefeld University
