[gold] fix (?) gold --enable-plugins build

[Ian Lance Taylor]

Steven Bosscher <stevenb.gcc@gmail.com> writes:

> I tried to build gold with plugins enabled (../src/configure
> --enable-gold --enable-plugins) and I got a build error:
>
> ../../src/gold/plugin.cc: In member function ‘void gold::Plugin::load()’:
> ../../src/gold/plugin.cc:102: error: ‘RTLD_NOW’ was not declared in this scope
> ../../src/gold/plugin.cc:102: error: ‘dlopen’ was not declared in this scope
> ../../src/gold/plugin.cc:112: error: ‘dlsym’ was not declared in this scope
> make[4]: *** [plugin.o] Error 1
> make[4]: *** Waiting for unfinished jobs
>
> This happens with a CVS checkout of today.  The problem seems to be
> that gold.h (and therefore config.h) is included after using
> ENABLE_PLUGINS. With the attached patch, the build finishes without
> further trouble for me.
>
> Could someone verify that the patch below is indeed needed, and
> foster-parent it into the gold CVS repo?

This is the right patch.  I committed it to the repository.

Sorry about that.

Ian


2009-10-11  Ian Lance Taylor  <iant@google.com>

	* plugin.cc: Include "gold.h" before other header files.


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