On 24 Jun 2020, at 02:41, Kyle Evans <kev...@freebsd.org> wrote: > > On Thu, Jun 18, 2020 at 1:09 PM Jung-uk Kim <j...@freebsd.org> wrote: >> >> Author: jkim >> Date: Thu Jun 18 18:09:16 2020 >> New Revision: 362333 >> URL: https://svnweb.freebsd.org/changeset/base/362333 >> >> Log: >> MFV: r362286 >> >> Merge flex 2.6.4. >> > > Hi, > > I'm looking at getting amd64 world buildable again by gcc6; this seems > to give it some gas: > > /usr/src/contrib/flex/src/main.c: In function 'check_options': > /usr/src/contrib/flex/src/main.c:347:14: error: assignment discards > 'const' qualifier from pointer target type > [-Werror=discarded-qualifiers] > if ((slash = strrchr(M4, '/')) != NULL) { > > The following trivial patch seems to make gcc6 happy again.
This is a strange one. As gcc6 has been removed from ports, I had to resort to an older 12-STABLE box which still had it, but no matter what I try, I cannot get the warning that is being produced by the CI system. What does it do differently? Also, the warning is indeed bogus, as strrchr() returns a non-const char pointer. As I can't reproduce it, I also can't verify which gcc version fixes the bogus warning. -Dimitry
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