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Re: AC_PROG_EGREP and $EGREP_TRADITIONAL and shell conditional statement
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From: |
Zack Weinberg |
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Subject: |
Re: AC_PROG_EGREP and $EGREP_TRADITIONAL and shell conditional statements |
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Date: |
Sun, 02 Apr 2023 09:10:19 -0400 |
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User-agent: |
Cyrus-JMAP/3.9.0-alpha0-238-g746678b8b6-fm-20230329.001-g746678b8 |
On Sat, Apr 1, 2023, at 11:38 PM, Paul Eggert wrote:
> This is surely a bug in mcpp's configure.ac: it's greatly underquoted. I
> don't recall ever seeing a script that underquoted before.
Agreed, that looks like the authors quoted things only when they absolutely
had to.
> * lib/autoconf/programs.m4 (_AC_PATH_PROG_FLAVOR_GNU):
> Add two ‘@%:@(’s to cater to underquoted callers.
> * lib/m4sugar/m4sh.m4 (_AS_PATH_WALK): Use quadrigraph instead of
> ‘#’, for underquoted callers.
Should we convert these to AS_CASE instead maybe? Or would that not help?
I'll experiment.
zw