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Date: Sun, 31 Dec 2017 09:08:57 +0000
From: Alexey Dokuchaev <danfe@FreeBSD.org>
To: Jan Beich <jbeich@FreeBSD.org>
Cc: ports-committers@freebsd.org, svn-ports-all@freebsd.org,
 svn-ports-head@freebsd.org
Subject: Re: svn commit: r457632 - in head/lang/guile2: . files
Message-ID: <20171231090857.GA6651@FreeBSD.org>
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On Sun, Dec 31, 2017 at 10:06:06AM +0100, Jan Beich wrote:
> Alexey Dokuchaev <danfe@FreeBSD.org> writes:
> 
> > On Sat, Dec 30, 2017 at 09:59:08PM +0100, Jan Beich wrote:
> >
> >> Alexey Dokuchaev <danfe@FreeBSD.org> writes:
> >> 
> >> > ++/* With old GCC, do not override _Static_assert: it conflicts with
> >> > ++   #include <complex.h> below. */
> >> > ++#if __clang__ || (__GNUC__ >= 4 && __GNUC_MINOR__ >= 6)
> >> 
> >> - GCC check for minor version rejects 5.4, 6.4, 7.2
> >> - Clang check needs defined() to pacify -Wundef with GCC
> >> 
> >> libguile/numbers.c:50:5: warning: "__clang__" is not defined, evaluates
> >> to 0 [-Wundef]
> >>  #if __clang__ || (__GNUC__ >= 4 && __GNUC_MINOR__ >= 6)
> >>      ^~~~~~~~~
> >
> > How about this:
> >
> >     #if defined(__clang__) || (__GNUC__ * 10 + __GNUC_MINOR__ >= 46)
> >     ... ?
> 
> Looks OK. None of lang/gcc* ports have __GNUC_MINOR__ >= 10.

Yes, I was a bit worried if 10 is enough, but found no offending versions.
It also matches the format of COMPILER_VERSION.  So be it then, thank you.

./danfe