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perl: let caller see whether perl was found
authorPaul Eggert <eggert@cs.ucla.edu>
Tue, 28 Dec 2021 09:51:56 +0000 (01:51 -0800)
committerPaul Eggert <eggert@cs.ucla.edu>
Tue, 28 Dec 2021 09:52:18 +0000 (01:52 -0800)
commit8220e0f0b5f46ff61e1d19f8a1614508fa162abd
treeb06ab2cd651e74f19e3f62771d599f0fb9d716c8
parenteb923fe2d5e38184340695089a80e2e46e8f6797
perl: let caller see whether perl was found

Problem reported for coreutils by Serge Belyshev (Bug#52844).
* m4/perl.m4 (gl_PERL): Use AC_CACHE_CHECK, so that
an invoker of gl_PERL can later inspect gl_cv_prog_perl
to see whether perl was found.
ChangeLog
m4/perl.m4