[petsc-users] Fortran preprocessor not work in pets-dev

[Danyang Su]

Hi Satish,

Sorry, this is a typo when copy to the email. I use FPPFLAGS in the makefile. Not sure why this occurs.

Actually not only the preprocessor fails, the petsc initialize does not work either. Attached is a very simple fortran code and below is the test results. Looks like the petsc is not properly installed. I am working on macOS Monterey version 12.5 (Intel Xeon W processor).

Compiled using petsc-3.18
(base) ➜  petsc-dev-fppflags mpiexec -n 4 ./petsc_fppflags
 compiled by STANDARD_FORTRAN compiler
 called by rank            0
 called by rank            1
 called by rank            2
 called by rank            3

compiled using petsc-dev
(base) ➜  petsc-dev-fppflags mpiexec -n 4 ./petsc_fppflags
 called by rank            2
 called by rank            2
 called by rank            2
 called by rank            2

Thanks,

Danyang

On 2023-05-06, 10:22 PM, "Satish Balay" <balay at mcs.anl.gov <mailto:balay at mcs.anl.gov>> wrote:


On Sat, 6 May 2023, Danyang Su wrote:


> Hi All,
> 
> 
> 
> My code has some FPP. It works fine in PETSc 3.18 and earlier version, but stops working in the latest PETSc-Dev. For example the following FPP STANDARD_FORTRAN is not recognized. 
> 
> 
> 
> #ifdef STANDARD_FORTRAN
> 
> 1 format(15x,1000a15)
> 
> 2 format(1pe15.6e3,1000(1pe15.6e3))
> 
> #else
> 
> 1 format(15x,<ncol>a15) 
> 
> 2 format(1pe15.6e3,<ncol>(1pe15.6e3))
> 
> #endif
> 
> 
> 
> In the makefile, I define the preprocessor as PPFLAGS.
> 
> 
> 
> PPFLAGS := -DLINUX -DRELEASE -DRELEASE_X64 -DSTANDARD_FORTRAN


Shouldn't this be FPPFLAGS?




Can you send us a simple test case [with the makefile] that we can try to demonstrate this problem?


Satish


> 
> …
> 
> exe: $(OBJS) chkopts
> 
> -${FLINKER} $(FFLAGS) $(FPPFLAGS) $(CPPFLAGS) -o $(EXENAME) $(OBJS) ${PETSC_LIB} ${LIS_LIB} ${DLIB} ${SLIB}
> 
> 
> 
> Any idea on this problem?
> 
> 
> 
> All the best,
> 
> 
> 
> 
> 
> 



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