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Date: Tue, 23 Feb 2016 13:03:55 +0100 (CET)
From: Jens <jensl@...aas.eu>
To: musl@...ts.openwall.com
Subject: musl 1.1.14 and x86_64


Hello!

Since 1.1.14 I am seeing the following when compiling musl for x86_64 (32 
bit is fine). 1.1.12 was Ok.

./include/unistd.h:125: warning: redeclaration of 'optarg' with different 
visibility (old visibility preserved)
./src/internal/vis.h:23: warning: previous declaration of 'optarg' was 
here
./include/unistd.h:126: warning: redeclaration of 'optind' with different 
visibility (old visibility preserved)
./src/internal/vis.h:17: warning: previous declaration of 'optind' was 
here
./include/unistd.h:126: warning: redeclaration of 'opterr' with different 
visibility (old visibility preserved)
./src/internal/vis.h:17: warning: previous declaration of 'opterr' was 
here
./include/unistd.h:126: warning: redeclaration of 'optopt' with different 
visibility (old visibility preserved)
./src/internal/vis.h:17: warning: previous declaration of 'optopt' was 
here

Can I ignore these warnings or are they likely to break something?

I'm still building things from a pretty old environment, so that may be 
the cause of the warnings. (The base is an old uclibc buildroot).

gcc 4.1.2 and binutils-2.20.1-1.

configured with --prefix=/opt/musl --bindir=/usr/bin --disable-shared

Regards,
Jens

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