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Re: Errors when compiling C++ using cross GCC

From: Florian Weimer <fw at deneb dot enyo dot de>
To: Mark G <markg735 at gmail dot com>
Cc: gcc-help at gcc dot gnu dot org
Date: Sun, 20 Nov 2016 22:45:59 +0100
Subject: Re: Errors when compiling C++ using cross GCC
Authentication-results: sourceware.org; auth=none
References: <CAEeOP_ZHGrZgJ1+_mj5M51fxe=EhMo16Nw2nVqzXX57cc9u0Tw@mail.gmail.com> <87wpfygh03.fsf@mid.deneb.enyo.de> <CAEeOP_bjVqHrzF-fjsz0JUhWUrG-BUOBru2ePfOVqWdhJOA2YA@mail.gmail.com>

* Mark G.:

> I went to go look at the assembly code for frexpl in libm.a and here I
> came across something confusing:
>
> $ grep -rH frexpl /emb-root/usr/lib/arm-linux-gnueabihf/libm.a
> Binary file /emb-root/usr/lib/arm-linux-gnueabihf/libm.a matches

Uh-oh.  Is there no libm.so.6?

> It sure is in there as a symbole. But...
>
> $ arm-linux-gnueabihf-objdump -d
> /emb-root/usr/lib/arm-linux-gnueabihf/libm.a |grep frexpl

It could be that it's a symbol alias which is not visible in the
disassembly.

Follow-Ups:
- Re: Errors when compiling C++ using cross GCC
  - From: Mark G

References:
- Errors when compiling C++ using cross GCC
  - From: Mark G
- Re: Errors when compiling C++ using cross GCC
  - From: Florian Weimer
- Re: Errors when compiling C++ using cross GCC
  - From: Mark G

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