[petsc-users] petsc-users Digest, Vol 200, Issue 3

[kiran hegde]

Hi Satish,

I have tried the options ex5f, but getting the same error.
The code was running without any issues long back and I was using  petsc
ver 3.9 using gcc 12.X.X.
My makefile flags are :

FFLAGS = -march=native -O3 -pipe -ffree-form -cpp -ffree-line-length-none \
                        -Wall -Wextra -Wtabs -Wintrinsics-std -Wsurprising
-Waliasing \
                        -Wno-unused-parameter -Wno-unused-dummy-argument \
                        -D$(MODEL) \
                        -DVERSION=\"$(GIT_VERSION)\" \
                        -I$(PETSC_DIR)/include
FPPFLAGS = -cpp -E -dM -C -P -D$(MODEL)
LDFLAGS = -lpetsc -L$(PETSC_DIR)/lib
LDFLAGS += -Wl,-rpath=$(PETSC_DIR)/lib

Have i missed anything?


Regards,
Kiran




On Sun, Aug 3, 2025 at 9:56 PM Satish Balay <balay.anl at fastmail.org> wrote:

> On Sun, 3 Aug 2025, kiran hegde wrote:
>
> > Hi,
> >
> > Please find the attached configure.log file.
> > PETSC installation successfully completes with make check, without any
> > error.
> > But, when compiling fortan codes with   petsc  library+include in the
> > makefile i get this error.
>
> Then likely your compile command is missing some options. you can:
>
> - compile a petsc example - say:
> cd src/snes/tutorials
> make ex5f
>
> - now compile your application
>
> - And compare the compile commands and see if there are any differences
> (missing options, wrong order of include files etc..)
>
> Satish
>


-- 
Regards,

Kiran Hegde
Mobile:+91 9972600235
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