Ok, thanks. I am not sure how to handle it. libgcc_s.1.dylib never appears in the configure process and we don't actually test that the Fortran compiler can link C; for 25 years it just always could.
Barry > On Apr 7, 2021, at 10:49 AM, Blaise A Bourdin <[email protected]> wrote: > > No luck with -lgcc but it looks like this symbol is defined in > /usr/local/Cellar/gcc/10.2.0_4/lib/gcc/10/libgcc_s.1.dylib > 00000000000039b0 T ___muldc3 > > So adding -lgcc_s.1 eliminates the warning. > I assume that the issue is with gcc-10 on macOS ARM. I can try to report it > to upstream to although building a small test may be a bit challenging. > > Regards, > Blaise > >> On Apr 6, 2021, at 5:32 PM, Barry Smith <[email protected] >> <mailto:[email protected]>> wrote: >> >> >> Blaise, >> >> Thanks, can you try cd src/snes/tutorials and then cut and paste the >> huge line that you sent earlier that begins with mpif90 -Wl,-bind_at_load >> ..... and add at the end -lgcc and see if that line successfully links the >> Fortran code? >> >> Thanks >> >> Barry >> >> >> >>> On Apr 6, 2021, at 12:22 PM, Blaise A Bourdin <[email protected] >>> <mailto:[email protected]>> wrote: >>> >>> Hi Barry, >>> >>>> >>>> Please send configure.log >>> See attached >>> >>>> >>>> It would also be helpful if you could run >>>> >>>> nm -o /usr/lib/lib* | grep muldc3 >>> >>> That is uneventful (I have no idea how these broken symbolic link got there >>> and can’t delete them because of SIP)… >>> SiMini:lib $ nm -o /usr/lib/lib* | grep muldc3 >>> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/nm: >>> error: /usr/lib/libhunspell-1.2.0.dylib: No such file or directory. >>> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/nm: >>> error: /usr/lib/libhunspell-1.2.dylib: No such file or directory. >>> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/nm: >>> error: /usr/lib/libiodbc.2.dylib: No such file or directory. >>> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/nm: >>> error: /usr/lib/libiodbc.dylib: No such file or directory. >>> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/nm: >>> error: /usr/lib/libiodbcinst.2.dylib: No such file or directory. >>> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/nm: >>> error: /usr/lib/libiodbcinst.dylib: No such file or directory. >>> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/nm: >>> error: /usr/lib/libstdc++.6.dylib: No such file or directory. >>> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/nm: >>> error: /usr/lib/libstdc++.dylib: No such file or directory. >>> >>> Blaise >>> >>> >>> >>>> >>>> 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] >>>>> <mailto:[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 >>>>> <https://nam04.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.mcs.anl.gov%2Fpetsc%2Fdocumentation%2Ffaq.html&data=04%7C01%7Cbourdin%40lsu.edu%7C7df7aff43faa4aa853dc08d8f94bd292%7C2d4dad3f50ae47d983a09ae2b1f466f8%7C0%7C0%7C637533451348637504%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=afb7L7ous6bquDeChU2Gx9Oxu19C4F7Qo9gaATzs0q4%3D&reserved=0> >>>>> /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://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.mcs.anl.gov%2Fpipermail%2Fmpich-discuss%2F2012-August%2F012920.html&data=04%7C01%7Cbourdin%40lsu.edu%7C7df7aff43faa4aa853dc08d8f94bd292%7C2d4dad3f50ae47d983a09ae2b1f466f8%7C0%7C0%7C637533451348642492%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=YS2BBoI%2BhyomGpXKxA%2Fzpy%2FeA9r5smQnAq2ALrPGQ9s%3D&reserved=0> >>>>> >>>>> 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/ >>>>> <https://nam04.safelinks.protection.outlook.com/?url=http:%2F%2Fwww.cse.buffalo.edu%2F~knepley%2F&data=04%7C01%7Cbourdin%40lsu.edu%7C7df7aff43faa4aa853dc08d8f94bd292%7C2d4dad3f50ae47d983a09ae2b1f466f8%7C0%7C0%7C637533451348647483%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=LgObsaA9qG7xidNGs2%2Ft38SnC5thdvzOd6WHpS0ivcQ%3D&reserved=0> >>>> >>> >>> -- >>> 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> >>> <configure.log> >> > > -- > 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>
