[lld] r234378 - Allow undefined symbols in shared library by default.

[Rui Ueyama]

Davide,

I rolled this back in r234414 because it broke buildbots. I also confirmed
that the test failed on my Linux machine.

On Tue, Apr 7, 2015 at 6:00 PM, Davide Italiano <davide at freebsd.org> wrote:

> Author: davide
> Date: Tue Apr  7 20:00:19 2015
> New Revision: 234378
>
> URL: http://llvm.org/viewvc/llvm-project?rev=234378&view=rev
> Log:
> Allow undefined symbols in shared library by default.
>
> It's not our business to resolve those undefined symbols.
> We just trust the linker will load the library and its dependencies
> correctly, which is actually what happens, modulo bugs in the dynamic
> linker itself.
>
> PR:             23035
> Differential Revision:  http://reviews.llvm.org/D8886
>
> Modified:
>     lld/trunk/lib/Core/LinkingContext.cpp
>
> Modified: lld/trunk/lib/Core/LinkingContext.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/lld/trunk/lib/Core/LinkingContext.cpp?rev=234378&r1=234377&r2=234378&view=diff
>
> ==============================================================================
> --- lld/trunk/lib/Core/LinkingContext.cpp (original)
> +++ lld/trunk/lib/Core/LinkingContext.cpp Tue Apr  7 20:00:19 2015
> @@ -24,7 +24,7 @@ LinkingContext::LinkingContext()
>        _warnIfCoalesableAtomsHaveDifferentCanBeNull(false),
>        _warnIfCoalesableAtomsHaveDifferentLoadName(false),
>        _printRemainingUndefines(true), _allowRemainingUndefines(false),
> -      _logInputFiles(false), _allowShlibUndefines(false),
> +      _logInputFiles(false), _allowShlibUndefines(true),
>        _outputFileType(OutputFileType::Default), _nextOrdinal(0) {}
>
>  LinkingContext::~LinkingContext() {}
>
>
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