Blaise, Please send configure.log
It would also be helpful if you could run nm -o /usr/lib/lib* | grep muldc3 Our cross language linker tests are not adding all the libraries they need to add when using Fortran for linking. Barry > On Apr 6, 2021, at 11:00 AM, Matthew Knepley <[email protected]> wrote: > > On Tue, Apr 6, 2021 at 11:04 AM Blaise A Bourdin <[email protected] > <mailto:[email protected]>> wrote: > Hi, > > I am having the following warning when compiling any fortran example > (currently on main, but it’s been going on for a little while) on a ARM mac. > > > *******************Error detected during compile or link!******************* > See http://www.mcs.anl.gov/petsc/documentation/faq.html > <http://www.mcs.anl.gov/petsc/documentation/faq.html> > /opt/HPC/petsc-main/src/snes/tutorials ex5f > ********************************************************* > mpif90 -Wl,-bind_at_load -Wl,-multiply_defined,suppress -Wl,-multiply_defined > -Wl,suppress -Wl,-commons,use_dylibs -Wl,-search_paths_first > -Wl,-no_compact_unwind -ffree-line-length-none -fallow-argument-mismatch > -fPIC -g -ffree-line-length-none -fallow-argument-mismatch -fPIC -g > -I/opt/HPC/petsc-main/include > -I/opt/HPC/petsc-main/bigsur-gcc10.2-arm64-reallybasic-g/include > -I/opt/X11/include ex5f.F90 > -Wl,-rpath,/opt/HPC/petsc-main/bigsur-gcc10.2-arm64-reallybasic-g/lib > -L/opt/HPC/petsc-main/bigsur-gcc10.2-arm64-reallybasic-g/lib > -Wl,-rpath,/opt/X11/lib -L/opt/X11/lib > -Wl,-rpath,/opt/homebrew/Cellar/mpich/3.4.1_2/lib > -L/opt/homebrew/Cellar/mpich/3.4.1_2/lib > -Wl,-rpath,/opt/homebrew/Cellar/gcc/10.2.0_4/lib/gcc/10/gcc/aarch64-apple-darwin20/10.2.1 > > -L/opt/homebrew/Cellar/gcc/10.2.0_4/lib/gcc/10/gcc/aarch64-apple-darwin20/10.2.1 > -Wl,-rpath,/opt/homebrew/Cellar/gcc/10.2.0_4/lib/gcc/10 > -L/opt/homebrew/Cellar/gcc/10.2.0_4/lib/gcc/10 -lpetsc -llapack -lblas -lX11 > -lc++ -ldl -lmpifort -lmpi -lpmpi -lgfortran -lemutls_w -lm -lc++ -ldl -o ex5f > warning: (arm64) could not find object file symbol for symbol muldc3 > Fortran example src/snes/tutorials/ex5f run successfully with 1 MPI process > > > For reference, here is how I configured petsc: > ./configure --CFLAGS='-Wimplicit-function-declaration' > --FFLAGS="-ffree-line-length-none -fallow-argument-mismatch" > --with-debugging=1 --with-shared-libraries=1 > --with-x11=1 > > It looks like this symbol is referenced in: sfpack.o > > SiMini:petsc-main (main)$ grep -ri muldc3 bigsur-gcc10.2-arm64-reallybasic-g/* > Binary file bigsur-gcc10.2-arm64-reallybasic-g/lib/libpetsc.3.015.0.dylib > matches > Binary file bigsur-gcc10.2-arm64-reallybasic-g/lib/libpetsc.3.015.dylib > matches > bigsur-gcc10.2-arm64-reallybasic-g/lib/petsc/conf/check.log:warning: (arm64) > could not find object file symbol for symbol ___muldc3 > Binary file bigsur-gcc10.2-arm64-reallybasic-g/lib/libpetsc.dylib matches > Binary file > bigsur-gcc10.2-arm64-reallybasic-g/obj/vec/is/sf/impls/basic/sfpack.o matches > > SiMini:petsc-main (main)$ nm > bigsur-gcc10.2-arm64-reallybasic-g/obj/vec/is/sf/impls/basic/sfpack.o | grep > muldc3 > U ___muldc3 > > Google tells me it is a gcc thing for complex multiplication. Ah, I think > this is the problem: > > https://lists.mcs.anl.gov/pipermail/mpich-discuss/2012-August/012920.html > <https://lists.mcs.anl.gov/pipermail/mpich-discuss/2012-August/012920.html> > > It is in the C library and you are linking from Fortran, so the compatibility > libraries are not correct. > > Thanks, > > Matt > > Any idea? > Blaise > > > -- > A.K. & Shirley Barton Professor of Mathematics > Adjunct Professor of Mechanical Engineering > Adjunct of the Center for Computation & Technology > Louisiana State University, Lockett Hall Room 344, Baton Rouge, LA 70803, USA > Tel. +1 (225) 578 1612, Fax +1 (225) 578 4276 Web > http://www.math.lsu.edu/~bourdin <http://www.math.lsu.edu/~bourdin> > > > -- > 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 > > https://www.cse.buffalo.edu/~knepley/ <http://www.cse.buffalo.edu/~knepley/>
