Sorry to dig up this old thread, but this is triggering false positives while make checking for people who don’t want to toy around with MACOSX_DEPLOYMENT_TARGET. Could/should we filter this somehow, or have BuildSystem tinker with the environment variable itself?
Thanks, Pierre $ make check Running check examples to verify correct installation Using PETSC_DIR=/Users/jolivet/repo/petsc and PETSC_ARCH=arch-darwin-c-debug-real *******************Error detected during compile or link!******************* See http://www.mcs.anl.gov/petsc/documentation/faq.html /Users/jolivet/repo/petsc/src/snes/tutorials ex19 ********************************************************************************* mpicc -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 -Wall -g -Wall -g -I/Users/jolivet/repo/petsc/include -I/Users/jolivet/repo/petsc/arch-darwin-c-debug-real/include -I/opt/intel/mkl/include ex19.c -Wl,-rpath,/Users/jolivet/repo/petsc/arch-darwin-c-debug-real/lib -L/Users/jolivet/repo/petsc/arch-darwin-c-debug-real/lib -Wl,-rpath,/Users/jolivet/repo/petsc/arch-darwin-c-debug-real/lib -L/Users/jolivet/repo/petsc/arch-darwin-c-debug-real/lib -Wl,-rpath,/opt/intel/mkl/lib -L/opt/intel/mkl/lib -Wl,-rpath,/opt/intel/lib -L/opt/intel/lib -Wl,-rpath,/usr/local/Cellar/mpich/3.4.1_1/lib -L/usr/local/Cellar/mpich/3.4.1_1/lib -Wl,-rpath,/usr/local/Cellar/gcc/10.2.0_4/lib/gcc/10/gcc/x86_64-apple-darwin20/10.2.0 -L/usr/local/Cellar/gcc/10.2.0_4/lib/gcc/10/gcc/x86_64-apple-darwin20/10.2.0 -Wl,-rpath,/usr/local/Cellar/gcc/10.2.0_4/lib/gcc/10 -L/usr/local/Cellar/gcc/10.2.0_4/lib/gcc/10 -lpetsc -lHYPRE -lcmumps -ldmumps -lsmumps -lzmumps -lmumps_common -lpord -lmkl_scalapack_lp64 -lmkl_blacs_mpich_lp64 -lEl -lElSuiteSparse -lpmrrr -lp4est -lsc -liomp5 -lmkl_intel_lp64 -lmkl_intel_thread -lmkl_core -lparmmg -lmmg -lmmg3d -lptesmumps -lptscotchparmetis -lptscotch -lptscotcherr -lesmumps -lscotch -lscotcherr -lparmetis -lmetis -ltriangle -ltet -lz -lX11 -lc++ -ldl -lmpifort -lmpi -lpmpi -lgfortran -lquadmath -lm -lc++ -ldl -o ex19 ld: warning: dylib (/usr/local/Cellar/mpich/3.4.1_1/lib/libmpifort.dylib) was built for newer macOS version (11.1) than being linked (11.0) ld: warning: dylib (/usr/local/Cellar/gcc/10.2.0_4/lib/gcc/10/libgfortran.dylib) was built for newer macOS version (11.2) than being linked (11.0) ld: warning: dylib (/usr/local/Cellar/gcc/10.2.0_4/lib/gcc/10/libquadmath.dylib) was built for newer macOS version (11.2) than being linked (11.0) ld: warning: dylib (/usr/local/Cellar/gcc/10.2.0_4/lib/gcc/10/libquadmath.0.dylib) was built for newer macOS version (11.2) than being linked (11.0) ld: warning: object file (/Users/jolivet/repo/petsc/arch-darwin-c-debug-real/lib/libcmumps.a(cana_aux.o)) was built for newer macOS version (11.2) than being linked (11.0) ld: warning: object file (/Users/jolivet/repo/petsc/arch-darwin-c-debug-real/lib/libdmumps.a(dana_aux.o)) was built for newer macOS version (11.2) than being linked (11.0) ld: warning: object file (/Users/jolivet/repo/petsc/arch-darwin-c-debug-real/lib/libsmumps.a(sana_aux.o)) was built for newer macOS version (11.2) than being linked (11.0) ld: warning: object file (/Users/jolivet/repo/petsc/arch-darwin-c-debug-real/lib/libzmumps.a(zana_aux.o)) was built for newer macOS version (11.2) than being linked (11.0) ld: warning: object file (/Users/jolivet/repo/petsc/arch-darwin-c-debug-real/lib/libmumps_common.a(front_data_mgt_m.o)) was built for newer macOS version (11.2) than being linked (11.0) C/C++ example src/snes/tutorials/ex19 run successfully with 1 MPI process > On 15 Feb 2021, at 6:08 PM, Jacob Faibussowitsch <jacob....@gmail.com> wrote: > > Yes, this also seems to work on my end. > > Best regards, > > Jacob Faibussowitsch > (Jacob Fai - booss - oh - vitch) > Cell: (312) 694-3391 > >> On Feb 15, 2021, at 12:05, Satish Balay <ba...@mcs.anl.gov >> <mailto:ba...@mcs.anl.gov>> wrote: >> >> Does setting MACOSX_DEPLOYMENT_TARGET also work? >> >> Satish >> >> On Mon, 15 Feb 2021, Jacob Faibussowitsch wrote: >> >>> I think this problem ultimately stems from the fact that gcc/g++ and >>> gfortran are not from the same people on macOS. It seems like clang is >>> configured to build for 11.0 target, whilst gcc defaults to newest >>> available target. And indeed if I change my compile command there is no >>> warning: >>> >>> mkdir -p build && gfortran -c -o ./build/conftest.o conftest.F90 && gcc-10 >>> -o ./build/libconftest.dylib ./build/conftest.o -dynamiclib -undefined >>> dynamic_lookup && rm -rf ./build >>> >>> Note I now call gcc-10 as the linker which is the __actual__ gcc (not clang >>> in a trench coat). >>> >>> Best regards, >>> >>> Jacob Faibussowitsch >>> (Jacob Fai - booss - oh - vitch) >>> Cell: (312) 694-3391 >>> >>>> On Feb 15, 2021, at 11:46, Jacob Faibussowitsch <jacob....@gmail.com >>>> <mailto:jacob....@gmail.com>> wrote: >>>> >>>> Ok so if I pass -mmacosx-version-min=11.2 to the linker the warning >>>> disappears... >>>> >>>> Best regards, >>>> >>>> Jacob Faibussowitsch >>>> (Jacob Fai - booss - oh - vitch) >>>> Cell: (312) 694-3391 >>>> >>>>> On Feb 15, 2021, at 11:41, Jacob Faibussowitsch <jacob....@gmail.com >>>>> <mailto:jacob....@gmail.com> <mailto:jacob....@gmail.com >>>>> <mailto:jacob....@gmail.com>>> wrote: >>>>> >>>>> I can reproduce the warning compiling just that simple code you listed. >>>>> This is the compile command: >>>>> >>>>> mkdir -p build && gfortran -c -o ./build/conftest.o conftest.F90 && gcc >>>>> -o ./build/libconftest.dylib ./build/conftest.o -dynamiclib -undefined >>>>> dynamic_lookup && rm -rf ./build >>>>> >>>>> And error: >>>>> ld: warning: object file (./build/conftest.o) was built for newer macOS >>>>> version (11.2) than being linked (11.0) >>>>> >>>>> Note I recently uninstalled and reinstalled command line tools too, which >>>>> does not seem to have fixed it. >>>>> >>>>> Best regards, >>>>> >>>>> Jacob Faibussowitsch >>>>> (Jacob Fai - booss - oh - vitch) >>>>> Cell: (312) 694-3391 >>>>> >>>>>> On Feb 15, 2021, at 11:30, Satish Balay <ba...@mcs.anl.gov >>>>>> <mailto:ba...@mcs.anl.gov> <mailto:ba...@mcs.anl.gov >>>>>> <mailto:ba...@mcs.anl.gov>>> wrote: >>>>>> >>>>>> Here is the compile command and the warning: >>>>>> >>>>>>>>>>>> >>>>>> ===== Checking linker >>>>>> Executing: gfortran -c -o >>>>>> /var/folders/9w/7dlszmmn6q1gd5yf3r9n79bc0000gn/T/petsc-dk9aiv7x/config.setCompilers/conftest.o >>>>>> >>>>>> -I/var/folders/9w/7dlszmmn6q1gd5yf3r9n79bc0000gn/T/petsc-dk9aiv7x/config.setCompilers >>>>>> >>>>>> /var/folders/9w/7dlszmmn6q1gd5yf3r9n79bc0000gn/T/petsc-dk9aiv7x/config.setCompilers/conftest.F90 >>>>>> >>>>>> Successful compile: >>>>>> Source: >>>>>> function foo(a) >>>>>> real:: a,x,bar >>>>>> common /xx/ x >>>>>> x=a >>>>>> foo = bar(x) >>>>>> end >>>>>> Executing: gcc -o >>>>>> /var/folders/9w/7dlszmmn6q1gd5yf3r9n79bc0000gn/T/petsc-dk9aiv7x/config.setCompilers/libconftest.dylib >>>>>> -dynamiclib -single_module -undefined dynamic_lookup -multiply_defined >>>>>> suppress >>>>>> /var/folders/9w/7dlszmmn6q1gd5yf3r9n79bc0000gn/T/petsc-dk9aiv7x/config.setCompilers/conftest.o >>>>>> >>>>>> Possible ERROR while running linker: >>>>>> stderr: >>>>>> ld: warning: object file >>>>>> (/var/folders/9w/7dlszmmn6q1gd5yf3r9n79bc0000gn/T/petsc-dk9aiv7x/config.setCompilers/conftest.o) >>>>>> was built for newer macOS version (11.2) than being linked (11.0) >>>>>> Accepted FC PIC code without compiler flag >>>>>> >>>>>> ============================================================================================= >>>>>> <<<<<< >>>>>> >>>>>> Its likely due to the way brew built gfortran. You can try compiling a >>>>>> simple test code and see if you can reproduce this warning. >>>>>> >>>>>> There is a related issue at: >>>>>> >>>>>> https://github.com/spack/spack/issues/21644 >>>>>> <https://github.com/spack/spack/issues/21644> >>>>>> <https://github.com/spack/spack/issues/21644 >>>>>> <https://github.com/spack/spack/issues/21644>> >>>>>> >>>>>> Satish >>>>>> >>>>>> >>>>>> On Sat, 13 Feb 2021, Jacob Faibussowitsch wrote: >>>>>> >>>>>>> Hello All, >>>>>>> >>>>>>> I’ve been getting these warnings for weeks, at first I figured it was >>>>>>> due to gfortran brew package not being updated for Big Sur, but since >>>>>>> it has persisted through a few gfortran brew updates I’m thinking it >>>>>>> may be petsc related. This is on clean build on master. >>>>>>> >>>>>>> ld: warning: object file >>>>>>> (master-arch-darwin-c-debug/obj/sys/classes/bag/f2003-src/fsrc/bagenum.o) >>>>>>> was built for newer macOS version (11.2) than being linked (11.0) >>>>>>> ld: warning: object file >>>>>>> (master-arch-darwin-c-debug/obj/sys/f90-src/fsrc/f90_fwrap.o) was built >>>>>>> for newer macOS version (11.2) than being linked (11.0) >>>>>>> ld: warning: object file >>>>>>> (master-arch-darwin-c-debug/obj/sys/objects/f2003-src/fsrc/optionenum.o) >>>>>>> was built for newer macOS version (11.2) than being linked (11.0) >>>>>>> ld: warning: object file >>>>>>> (master-arch-darwin-c-debug/obj/sys/fsrc/somefort.o) was built for >>>>>>> newer macOS version (11.2) than being linked (11.0) >>>>>>> ld: warning: object file >>>>>>> (master-arch-darwin-c-debug/obj/sys/f90-mod/petscsysmod.o) was built >>>>>>> for newer macOS version (11.2) than being linked (11.0) >>>>>>> >>>>>>> Best regards, >>>>>>> >>>>>>> Jacob Faibussowitsch >>>>>>> (Jacob Fai - booss - oh - vitch) >>>>>>> Cell: (312) 694-3391 >