Re: Setting the dynamic linker with an environment variable

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On 10 September 2014 10:59, Shaun Jackman <sjackman@xxxxxxxxx> wrote:
> On 9 September 2014 17:13, Ian Lance Taylor <iant@xxxxxxxxxx> wrote:
>> On Tue, Sep 9, 2014 at 3:30 PM, Shaun Jackman <sjackman@xxxxxxxxx> wrote:
>>> Alternatively, how can I modify the default `specs` file of GCC to add
>>> to the default linker options
>>> -L$prefix/lib -Wl,-rpath,$prefix/lib -Wl,--dynamic-linker
>>> $prefix/lib/ld-linux-x86-64.so.2
>>
>> If you want to go that route, add it to the line after "*link:" in the
>> specs file.
>
> That worked like a charm! Thanks, Ian. I replaced the link spec like so:
>
> *link:
> -L/home/sjackman/.linuxbrew/lib -rpath /home/sjackman/.linuxbrew/lib
> --dynamic-linker /home/sjackman/.linuxbrew/lib/ld-linux-x86-64.so.2

Note that replacing the link spec is a patently bad idea and breaks
building shared libraries (and probably other things). I should have
appended to the link spec by using the `+' function.

*link:
+ -L/home/sjackman/.linuxbrew/lib -rpath /home/sjackman/.linuxbrew/lib
--dynamic-linker /home/sjackman/.linuxbrew/lib/ld-linux-x86-64.so.2

Cheers,
Shaun




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