RFR: 8046765: (s) disable FORTIFY_SOURCE for files with optimization disabled.

[Vladimir Kozlov]

On 7/16/14 12:13 PM, Mike Duigou wrote:
>
> On Jul 16 2014, at 12:02 , Vladimir Kozlov <vladimir.kozlov at oracle.com> wrote:
>
>> No changes in  make/linux/makefiles/ppc.make
>
> That platform appears to use xlc rather than gcc in some case. I would need to be sure that whatever we changed there did not impact xlc compiles.

But the file is listed in webrev.

>
>> Why next was removed from linux makefiles?:
>>
>> OPT_CFLAGS/compactingPermGenGen.o = -O1
>
> The file appears to no longer exist. I assumed that it was removed as part of permgen removal.

Okay, make sense.

Vladimir

>
>>
>> Vladimir
>>
>> On 7/16/14 10:13 AM, Mike Duigou wrote:
>>> Hello all;
>>>
>>> In some GCC distributions the FORTIFY_SOURCE option is incompatible with the -O0. This change disables FORTIFY sources for the files we know have optimizations disabled.
>>>
>>> jbsbug: https://bugs.openjdk.java.net/browse/JDK-8047952
>>> webrev: http://cr.openjdk.java.net/~mduigou/JDK-8047952/0/webrev/
>>>
>>> Unfortunately I don't have a Fedora 19 setup to test the change on the reported platform but I did verify that the compiler command line is correct, that fortify is disabled and the resulting build still works on a number of platforms. Additional verifications on other platforms is encouraged.
>>>
>>> The changeset will be pushed via hotspot-rt forest unless otherwise requested.
>>>
>>> Mike
>>>
>