[petsc-users] Changing the options in the makefile

Wee-Beng Tay zonexo at gmail.com
Fri Nov 19 14:34:56 CST 2010


Hi Barry,

Thanks!

Yours sincerely,

Wee-Beng Tay


On 19/11/2010 6:37 PM, Barry Smith wrote:
>    Edit $PETSC_ARCH/conf/petscvariables and remove the options you don't want from everywhere in that file.
>
>     Barry
>
>
> On Nov 19, 2010, at 8:15 AM, TAY wee-beng wrote:
>
>> Hi,
>>
>> I have a modified makefile originally given to me by the PETSc team. It worked well but now I want to change some of the options of the compiler, like using -O3 or -ipo etc instead of -O.
>>
>> I tried to add -O3 in and the compiling command becomes:
>>
>> /opt/openmpi-1.4.1/bin/mpif90 -O3 -c -g -r8 -save -w90 -w -w95    -O   -I/home/wtay/Lib/petsc-3.1-p5/include  ....
>>
>> So now there's -O3 and -O. How can I change it to only -O3 or -ipo?
>>
>> I have attached the makefile too.
>>
>> Thank you very much
>>
>> Yours sincerely,
>>
>> TAY wee-beng
>>
>>
>> <makefile.txt>


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