[petsc-users] Modifying built files for use with Japan's K computer

[Matthew Knepley]

On Sun, Apr 24, 2016 at 4:14 AM, Wee-beng TAY <zonexo at gmail.com> wrote:

> Hi,
>
> I was recently given access to Japan's K computer. I'm trying to compile
> PETSc on their sys, which uses Fujitsu's compiler. There's a help file but
> it's in Japanese. I guess I need to change some options to make PETSc
> compile with Fujitsu's compiler.
>
It looks like they want us to include some different options for the build.
If you send what you want,
I will make a branch for you to try out.

  Thanks,

     Matt

> Part of the help is below. So how should I use the diff or some other
> command to do the correction? I tried to run:
>
>  diff -u petsc-3.6.4/config/BuildSystem/config/package.py.org
> petsc-3.6.4/config/BuildSystem/config/package.py
>
> but got the err:
>
> diff: petsc-3.6.4/config/BuildSystem/config/package.py.org: No such file
> or directory
>
> Please advice. Thanks.
>
>
> *$ diff -u petsc-**3.6**.**3**/config/BuildSystem/config/**package**.py.org
> <http://py.org> petsc-**3.6**.**3**/config/BuildSystem/config/**package*
> *.py*
> *--- petsc-**3.6**.**3**/config/BuildSystem/config/**package**.py.org
> <http://py.org>        **2015**-**12**-**04* *14**:**06**:**42.000000000*
> *+**0900*
> *+++ petsc-**3.6**.**3**/config/BuildSystem/config/**package**.py    *
> *2016**-**01**-**22* *11**:**09**:**37.000000000* *+**0900*
> *@@ -**174**,**7* *+**174**,**7* *@@*
>      *return* *''*
>
>    *def getSharedFlag(self,cflags):*
> *-    **for* *flag in [**'-PIC'**, **'-fPIC'**, **'-KPIC'**, **'-qpic'*
> *]:*
> *+    **for* *flag in [**'-KPIC'**, **'-fPIC'**, **'-PIC'**, **'-qpic'*
> *]:*
>        *if* *cflags.find(flag) >=**0**: **return* *flag*
>      *return* *''*
>
> *$ diff -u petsc-**3.6**.**3**/config/BuildSystem/config/setCompilers.py.org
> <http://setCompilers.py.org> petsc-**3.6**.**3*
> */config/BuildSystem/config/setCompilers.py*
> *--- petsc-**3.6**.**3**/config/BuildSystem/config/setCompilers.py.org
> <http://setCompilers.py.org>   **2015**-**07**-**23* *00**:**22**:*
> *46.000000000* *+**0900*
> *+++ petsc-**3.6**.**3**/config/BuildSystem/config/setCompilers.py       *
> *2016**-**01**-**22* *11**:**10**:**05.000000000* *+**0900*
> *@@ -**1017**,**7* *+**1017**,**7* *@@*
>        *self.pushLanguage(language)*
>        *#different compilers are sensitive to the order of testing these
> flags. So separete out GCC test.*
>        *if* *config.setCompilers.Configure.isGNU(self.getCompiler()):
> testFlags = [**'-fPIC'**]*
> *-      **else**: testFlags = [**'-PIC'**, **'-fPIC'**, **'-KPIC'**,*
> *'-qpic'**]*
> *+      **else**: testFlags = [**'-KPIC'**, **'-fPIC'**, **'-PIC'**,*
> *'-qpic'**]*
>        *for* *testFlag in testFlags:*
>          *try**:*
>            *self.logPrint(**'Trying '**+language+**' compiler flag '*
> *+testFlag)*
> *$ diff -u petsc-**3.6**.**3**/config/BuildSystem/config/packages/openmp.py.org
> <http://openmp.py.org> petsc-**3.6**.**3*
> */config/BuildSystem/config/packages/openmp.py*
> *--- petsc-**3.6**.**3**/config/BuildSystem/config/packages/openmp.py.org
> <http://openmp.py.org>        **2016**-**01**-**25* *15**:**42**:*
> *23.000000000**+**0900*
> *+++ petsc-**3.6**.**3**/config/BuildSystem/config/packages/openmp.py    *
> *2016**-**01**-**22* *17**:**13**:**52.000000000* *+**0900*
> *@@ -**19**,**7* *+**19**,**8* *@@*
>      *self.found = **0*
>      *self.setCompilers.pushLanguage(**'C'**)*
>      *#*
> *-    **for* *flag in [**"-fopenmp"**, # Gnu*
> *+    **for* *flag in [**"-Kopenmp"**, # Fujitsu*
> *+                 **"-fopenmp"**, # Gnu*
>                   *"-qsmp=omp"**,# IBM XL C/C++*
>                   *"-h omp"**,   # Cray. Must come after XL because XL
> interprets **this* *option as meaning**"-soname omp"*
>                   *"-mp"**,      # Portland Group*
>
> *$ diff -u ./petsc-**3.6**.**3**/config/BuildSystem/config/compilers.py.org
> <http://compilers.py.org> ./petsc-**3.6**.**3*
> */config/BuildSystem/config/compilers.py*
> *--- ./petsc-**3.6**.**3**/config/BuildSystem/config/compilers.py.org
> <http://compilers.py.org>    **2015**-**06**-**10* *06**:**24**:*
> *49.000000000* *+**0900*
> *+++ ./petsc-**3.6**.**3**/config/BuildSystem/config/compilers.py        *
> *2016**-**02**-**19* *11**:**56**:**12.000000000* *+**0900*
> *@@ -**164**,**7* *+**164**,**7* *@@*
>    *def checkCLibraries(self):*
>      *''**'Determines the libraries needed to link with C'**''*
>      *oldFlags = self.setCompilers.LDFLAGS*
> *-    self.setCompilers.LDFLAGS += **' -v'*
> *+    self.setCompilers.LDFLAGS += **' -###'*
>      *self.pushLanguage(**'C'**)*
>      *(output, returnCode) = self.outputLink(**''**, **''**)*
>      *self.setCompilers.LDFLAGS = oldFlags*
> *@@ -**413**,**7* *+**413**,**7* *@@*
>    *def checkCxxLibraries(self):*
>      *''**'Determines the libraries needed to link with C++'**''*
>      *oldFlags = self.setCompilers.LDFLAGS*
> *-    self.setCompilers.LDFLAGS += **' -v'*
> *+    self.setCompilers.LDFLAGS += **' -###'*
>      *self.pushLanguage(**'Cxx'**)*
>      *(output, returnCode) = self.outputLink(**''**, **''**)*
>      *self.setCompilers.LDFLAGS = oldFlags*
>
>
>
>
>
>
>


-- 
What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which their
experiments lead.
-- Norbert Wiener
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