-Qunused-parameter and clang (was Re: GHC Port on 9-CURRENT)

Pan Tsu inyaoo at gmail.com
Tue Jun 28 19:20:02 UTC 2011

Niclas Zeising <zeising at daemonic.se> writes:

> Sorry for hijacking this thread, and cross posting.
> On 2011-06-26 03:07, Gabor PALI wrote:
>>> With Clang, an error occurs in one of the configure scripts, because
>>> Clang warns about unused command-line arguments, and the configure
>>> script assumes that to be a compiler error.  You can deal with this by
>>> adding -Qunused-parameter to CFLAGS.
>> Thanks for investigating this.
> This should probably be made the default, at least for ports when clang
> is compiled, since the output generated when not using
> -Qunused-parameter confuses configure scripts, and stops at least
> FireFox 5 from compiling, that I know of.

Do you use ccache? Try without.

For example, the combo confuses libtool


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