[petsc-dev] ccache sucks!

[Satish Balay]

On Sat, 6 Sep 2014, Barry Smith wrote:

> 
>   The first configure fails with ccache, removing it does not fail

>>>>>>
stderr:
clang: warning: argument unused during compilation: '-I /var/folders/c1/ldz_dt8n2r3dtwv_chp5pfr40000gq/T/petsc-a0322M/config.setCompilers'
<<<<<<<

https://code.google.com/p/chromium/wiki/CCacheMac says use:

CC="ccache clang -Qunused-arguments"
CXX="ccache clang++ -Qunused-arguments"

Satish