GNU bug report logs - #20338
configure test for nopie with gcc 4.4.3 on Trisquel 4.1

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Glenn Morris <rgm <at> gnu.org>
Subject: bug#20338: closed (Re: configure test for nopie with gcc 4.4.3 on
 Trisquel 4.1)
Date: Thu, 16 Apr 2015 07:20:05 +0000

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Your bug report

#20338: configure test for nopie with gcc 4.4.3 on Trisquel 4.1

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 20338 <at> debbugs.gnu.org.

-- 
20338: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=20338
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Paul Eggert <eggert <at> cs.ucla.edu>
To: 20338-done <at> debbugs.gnu.org
Subject: Re: configure test for nopie with gcc 4.4.3 on Trisquel 4.1
Date: Thu, 16 Apr 2015 00:18:57 -0700

[Message part 3 (text/plain, inline)]

Thanks for reporting that.  In master commit 
c6e93df20266fe9f8517f14f3b7c367281f988a5 I installed the attached patch, which 
fixed the bug for me.

[0001-Pre-4.6-GCC-succeeds-with-unknown-option.patch (text/x-patch, attachment)]

[Message part 5 (message/rfc822, inline)]

From: Glenn Morris <rgm <at> gnu.org>
To: submit <at> debbugs.gnu.org
Subject: configure test for nopie with gcc 4.4.3 on Trisquel 4.1
Date: Wed, 15 Apr 2015 15:13:04 -0400

Package: emacs
Version: 25.0.50

On fencepost.gnu.org, I noticed the following oddity in config.log:

    configure:30326: checking whether gcc -std=gnu99 accepts -nopie
    configure:30346: gcc -std=gnu99 -o conftest -g3 -O2 -Werror -nopie conftest.c   >&5 
    gcc: unrecognized option '-nopie'
    configure:30346: $? = 0
    configure:30356: result: yes

cat /etc/issue
Trisquel GNU/Linux 4.1 \n \l

gcc --version
gcc (Ubuntu 4.4.3-4ubuntu5.1) 4.4.3

cat test.c
int main ()
 {
   return 0;
 }

gcc -std=gnu99 -o conftest -g3 -O2 -Werror -nopie test.c
gcc: unrecognized option '-nopie'

echo $?
0


Seems odd. Whereas:

gcc -std=gnu99 -o conftest -g3 -O2 -Werror  -foobar test.c
cc1: error: unrecognized command line option "-foobar"

echo $?
1

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