[ecj] How to get make check working

[Andreas Tobler]

Mark Wielaard wrote:

> yep, executing contrib/download_ecj and configure && make again fixed
> most of this. Then there is still a small issue where a lot of tests say
> FAIL: header generation, but don't give more clues in the .log file. It
> looks like gcjh isn't found correctly. Installing and setting PATH to
> the install dir gets rid of those. Then the only FAILs lefts are:

Setting the PATH to the INSTALL dir is not the way to go. We have to 
test against the built tools, not the installed ones. For now it may be 
ok but for the correct way we have to find the solution to work with the 
built tools.

> 
> FAIL: ArrayStore output - source compiled test
> FAIL: ArrayStore -findirect-dispatch output - source compiled test
> FAIL: ArrayStore -O3 output - source compiled test
> FAIL: ArrayStore -O3 -findirect-dispatch output - source compiled test
> FAIL: PR162 output - source compiled test
> FAIL: PR162 -O3 output - source compiled test

I can confirm these results with ppc-linux.

Thanks,
Andreas