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From: "ro at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug modula2/107233] New: gm2 build hardcodes python3
Date: Wed, 12 Oct 2022 12:08:20 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: new
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X-Bugzilla-Product: gcc
X-Bugzilla-Component: modula2
X-Bugzilla-Version: 13.0
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X-Bugzilla-Severity: normal
X-Bugzilla-Who: ro at gcc dot gnu.org
X-Bugzilla-Status: UNCONFIRMED
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X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: gaius at gcc dot gnu.org
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D107233

            Bug ID: 107233
           Summary: gm2 build hardcodes python3
           Product: gcc
           Version: 13.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: modula2
          Assignee: gaius at gcc dot gnu.org
          Reporter: ro at gcc dot gnu.org
  Target Milestone: ---
            Target: *-*-solaris2.11

When trying to build the current devel/modula-2 branch on Solaris 11.3/SPARC
(only tried on 11.4 before), it fails trying to execute python3
unconditionally:

python3 /vol/gcc/src/hg/master/modula-2/gcc/m2/tools-src/def2texi.py -b./
-f/vol/gcc/src/hg/master/modula-2/gcc/m2/gm2-libs/Builtins.def >
/var/gcc/modula-2/11.4-gcc-modula-2/gcc/m2/Builtins.texi
/bin/ksh: python3: not found
make[3]: *** [/vol/gcc/src/hg/master/modula-2/gcc/m2/Make-lang.in:167:
Builtins.texi-check] Error 127

This happens because Solaris 11.3, unlike 11.4, has no python3 command.  It
only
provides python2.7 and python3.4.

I believe this could easily be fixed by using Automake's AM_PATH_PYTHON([3.=
0])
(or whatever minimal python 3.x version is required), substituting the
resulting
$PYTHON into Make-lang.in and the scripts that currently hardcode python3
instead.=