[petsc-dev] Hijacked MPI calls...

[Satish Balay]

On Tue, 13 Sep 2016, Satish Balay wrote:

> And this one is perhaps for Matt..

Ops - perhaps Jed needs to look at this..
> 
> >>>>>>>>>>>>>>>>>>>
>           CC arch-clang-cmplx/obj/src/dm/impls/composite/pack.o
> /home/balay/petsc/src/dm/impls/composite/pack.c:657:17: warning: passing an object that undergoes default argument promotion to 'va_start' has undefined behavior [-Wvarargs]
>   va_start(Argp,imode);
>                 ^
> /home/balay/petsc/src/dm/impls/composite/pack.c:641:61: note: parameter of type 'InsertMode' is declared here
> PetscErrorCode  DMCompositeGather(DM dm,Vec gvec,InsertMode imode,...)
>                                                             ^
> 1 warning generated.
>  <<<<<<<<<<<<<<<<<

And also:


balay at asterix /home/balay/petsc/src/snes/examples/tutorials (balay/clang-Wcomma=)
$ make ex48
/home/balay/petsc/arch-clang-cmplx/bin/mpicc -o ex48.o -c -Wall -Wwrite-strings -Wno-strict-aliasing -Wno-unknown-pragmas -Qunused-arguments -Wcomma   -g3   -I/home/balay/petsc/include -I/home/balay/petsc/arch-clang-cmplx/include    `pwd`/ex48.c
/home/balay/petsc/src/snes/examples/tutorials/ex48.c:1118:5: warning: macro expansion producing 'defined' has undefined behavior [-Wexpansion-to-defined]
#if USE_SSE2_KERNELS
    ^
/home/balay/petsc/src/snes/examples/tutorials/ex48.c:78:28: note: expanded from macro 'USE_SSE2_KERNELS'
#define USE_SSE2_KERNELS (!defined NO_SSE2                              \
                           ^
/home/balay/petsc/src/snes/examples/tutorials/ex48.c:1118:5: warning: macro expansion producing 'defined' has undefined behavior [-Wexpansion-to-defined]
/home/balay/petsc/src/snes/examples/tutorials/ex48.c:79:31: note: expanded from macro 'USE_SSE2_KERNELS'
                          && !defined PETSC_USE_COMPLEX                 \
                              ^
/home/balay/petsc/src/snes/examples/tutorials/ex48.c:1118:5: warning: macro expansion producing 'defined' has undefined behavior [-Wexpansion-to-defined]
/home/balay/petsc/src/snes/examples/tutorials/ex48.c:80:31: note: expanded from macro 'USE_SSE2_KERNELS'
                          && !defined PETSC_USE_REAL_SINGLE             \
                              ^
/home/balay/petsc/src/snes/examples/tutorials/ex48.c:1118:5: warning: macro expansion producing 'defined' has undefined behavior [-Wexpansion-to-defined]
/home/balay/petsc/src/snes/examples/tutorials/ex48.c:81:31: note: expanded from macro 'USE_SSE2_KERNELS'
                          && !defined PETSC_USE_REAL___FLOAT128         \
                              ^
/home/balay/petsc/src/snes/examples/tutorials/ex48.c:1118:5: warning: macro expansion producing 'defined' has undefined behavior [-Wexpansion-to-defined]
/home/balay/petsc/src/snes/examples/tutorials/ex48.c:82:30: note: expanded from macro 'USE_SSE2_KERNELS'
                          && defined __SSE2__)
                             ^
/home/balay/petsc/src/snes/examples/tutorials/ex48.c:1143:6: warning: macro expansion producing 'defined' has undefined behavior [-Wexpansion-to-defined]
#if !USE_SSE2_KERNELS
     ^
/home/balay/petsc/src/snes/examples/tutorials/ex48.c:78:28: note: expanded from macro 'USE_SSE2_KERNELS'
#define USE_SSE2_KERNELS (!defined NO_SSE2                              \
                           ^
/home/balay/petsc/src/snes/examples/tutorials/ex48.c:1143:6: warning: macro expansion producing 'defined' has undefined behavior [-Wexpansion-to-defined]
/home/balay/petsc/src/snes/examples/tutorials/ex48.c:79:31: note: expanded from macro 'USE_SSE2_KERNELS'
                          && !defined PETSC_USE_COMPLEX                 \
                              ^
/home/balay/petsc/src/snes/examples/tutorials/ex48.c:1143:6: warning: macro expansion producing 'defined' has undefined behavior [-Wexpansion-to-defined]
/home/balay/petsc/src/snes/examples/tutorials/ex48.c:80:31: note: expanded from macro 'USE_SSE2_KERNELS'
                          && !defined PETSC_USE_REAL_SINGLE             \
                              ^
/home/balay/petsc/src/snes/examples/tutorials/ex48.c:1143:6: warning: macro expansion producing 'defined' has undefined behavior [-Wexpansion-to-defined]
/home/balay/petsc/src/snes/examples/tutorials/ex48.c:81:31: note: expanded from macro 'USE_SSE2_KERNELS'
                          && !defined PETSC_USE_REAL___FLOAT128         \
                              ^
/home/balay/petsc/src/snes/examples/tutorials/ex48.c:1143:6: warning: macro expansion producing 'defined' has undefined behavior [-Wexpansion-to-defined]
/home/balay/petsc/src/snes/examples/tutorials/ex48.c:82:30: note: expanded from macro 'USE_SSE2_KERNELS'
                          && defined __SSE2__)
                             ^
10 warnings generated.
/home/balay/petsc/arch-clang-cmplx/bin/mpicc -Wall -Wwrite-strings -Wno-strict-aliasing -Wno-unknown-pragmas -Qunused-arguments -Wcomma   -g3  -o ex48 ex48.o -Wl,-rpath,/home/balay/petsc/arch-clang-cmplx/lib -L/home/balay/petsc/arch-clang-cmplx/lib  -lpetsc -llapack -lblas -lX11 -lpthread -lm -Wl,-rpath,/home/balay/petsc/arch-clang-cmplx/lib -Wl,-rpath,/usr/lib/gcc/x86_64-redhat-linux/6.2.1 -L/usr/lib/gcc/x86_64-redhat-linux/6.2.1 -Wl,-rpath,/home/balay/soft/clang+llvm-3.9.0-x86_64-fedora23/lib -L/home/balay/soft/clang+llvm-3.9.0-x86_64-fedora23/lib -lmpifort -lgfortran -lm -lgfortran -lm -lquadmath -lm -lmpicxx -lstdc++ -Wl,-rpath,/home/balay/petsc/arch-clang-cmplx/lib -L/home/balay/petsc/arch-clang-cmplx/lib -Wl,-rpath,/usr/lib/gcc/x86_64-redhat-linux/6.2.1 -L/usr/lib/gcc/x86_64-redhat-linux/6.2.1 -Wl,-rpath,/home/balay/soft/clang+llvm-3.9.0-x86_64-fedora23/lib -L/home/balay/soft/clang+llvm-3.9.0-x86_64-fedora23/lib -ldl -Wl,-rpath,/home/balay/petsc/arch-clang-cmplx/lib -lmpi -lgcc_s -ldl 
/usr/bin/rm -f ex48.o
balay at asterix /home/balay/petsc/src/snes/examples/tutorials (balay/clang-Wcomma=)
$ 

Satish