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Reply-To:	Brian DOT Inglis AT SystematicSw DOT ab DOT ca
Subject:	Re: gcc -fsanitize => cannot find -lubsan
To:	cygwin AT cygwin DOT com
References:	<CAD8GWssb0Ka-GmULAtb=dLnNFt=ssbT-Cc1viNTWMC7_E=bfzw AT mail DOT gmail DOT com>
From:	Brian Inglis <Brian DOT Inglis AT SystematicSw DOT ab DOT ca>
Message-ID:	<92610c1d-1d3b-eb62-ad8e-d2bc611e572c@SystematicSw.ab.ca>
Date:	Tue, 27 Mar 2018 12:48:51 -0600
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On 2018-03-27 11:39, Lee wrote:
> How do you figure out which package is missing from your install?
> $cat sbstrict.c
> int main () {
>   return 0;
> }
> $i686-w64-mingw32-gcc -fsanitize=bounds-strict sbstrict.c
> /usr/lib/gcc/i686-w64-mingw32/6.4.0/../../../../i686-w64-mingw32/bin/ld:
> cannot find -lubsan
> collect2: error: ld returned 1 exit status
> $gcc -fsanitize=bounds-strict sbstrict.c
> /usr/lib/gcc/x86_64-pc-cygwin/6.4.0/../../../../x86_64-pc-cygwin/bin/ld:
> cannot find -lubsan
> collect2: error: ld returned 1 exit status
> I looked at
>   https://cygwin.com/cgi-bin2/package-grep.cgi?grep=ubsan&arch=x86_64
> and both
>   gcc-debuginfo-6.4.0-5
>   mingw64-i686-gcc-debuginfo-6.4.0-1
> have a ubsan.c, but ld wouldn't be looking for that.  Right??

Implies that gcc includes support, but not supported as of 2015:

	https://sourceware.org/ml/cygwin/2015-10/msg00528.html

- don't know why - or if since added.

-- 
Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada

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