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Re: AC_EGREP_CPP and AC_EGREP_HEADER users - beware of recent gcc
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From: |
Bruno Haible |
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Subject: |
Re: AC_EGREP_CPP and AC_EGREP_HEADER users - beware of recent gcc |
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Date: |
Mon, 13 Mar 2017 09:31:30 +0100 |
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User-agent: |
KMail/5.1.3 (Linux/4.4.0-66-generic; KDE/5.18.0; x86_64; ; ) |
Mike Frysinger wrote:
> > As you can see, here 1 source line produces up to 4 output lines (ignoring
> > the
> > line number comment lines). Attempts to use 'grep Version' to find the
> > values of
> > __GLIBC__ and __GLIBC_VERSION__ don't work any more.
>
> seems like we be using -P with CPP when it's supported ?
Yes, good idea!
Bruno