This is the mail archive of the gcc-patches@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: [PATCH] Deduce automatically number of cores for -flto option.


On Wed, Jul 31, 2019 at 09:50:47AM +0200, Martin Liška wrote:
> > Why doesn't the jobserver work in the tests?  Is that because of missing +
> > somewhere in the Makefiles or is something unsetting MFLAGS or MAKEFLAGS
> > env vars?
> 
> Is Dejagnu using make internally to invoke individual tests?

No.  But as I said, the same check-gcc causes many make goals running
simultaneously, as you can see in the testsuite/gcc{,1,2,3,...} directories,
where each runtest invoked by those goals uses
gcc_parallel_test_run_p and O_EXCL files to decide which of the runtests
will perform each test.

	Jakub


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]