GNU bug report logs - #26644
[m4/libtool.m4] TCC and unsupported option '-fPIC'

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From: Marcel Raad <marcir86 <at> gmail.com>
To: 26644 <at> debbugs.gnu.org
Subject: bug#26644: [m4/libtool.m4] TCC and unsupported option '-fPIC'
Date: Mon, 24 Apr 2017 21:50:25 +0200

Hi,

I'm building curl [1] with TCC (Tiny C compiler) on Linux. For every
compiled source file, I get:
tcc: warning: unsupported option '-fPIC'

What I do is
./configure --enable-warnings CC=tcc && make
which enables warnings about unsupported GCC options (-Wunsupported)
at build time, but not at configure time.

libtool.m4 adds -fPIC, but according to the TCC documentation [2], TCC
doesn't support PIC at all.

I'm using Ubuntu 16.04 with libtool 2.4.6 and TCC 0.9.26.

[1] https://github.com/curl/curl/
[2] http://bellard.org/tcc/tcc-doc.html#SEC17

Thanks,
Marcel

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