Source: mumps Version: 5.6.2-1 Severity: minor User: debian-...@lists.debian.org Usertags: ftbfs-lto
Hi Maintainer MUMPS currently fails to build (at least on the amd64 architecture) with link time optimizations enabled. For a background for LTO please see https://wiki.debian.org/ToolChain/LTO The goal is to enable this optimization by default in an upcoming Debian release in dpkg-buildflags for 64-bit architectures. The goal is to get this package to build with link time optimizations, or to explicitly disable link time optimizations for this package build. To reproduce the build failure, enable the lto optimization in testing/unstable by adding "optimize=+lto" to DEB_BUILD_MAINT_OPTIONS in the debian/rules file, or if this macro is unset, just set it: export DEB_BUILD_MAINT_OPTIONS = optimize=+lto Please try to fix the build with lto enabled, fixing the packaging or forwarding the issue upstream. If the issue cannot be fixed, explicitly disallow building the package with lto by adding to your rules file: export DEB_BUILD_MAINT_OPTIONS = optimize=-lto or adding that string to your existing setting of DEB_BUILD_MAINT_OPTIONS. I've copied what I hope is the relevant part of the log below. Regards Graham ../libseq/mpi.f:648:35: note: previously defined here ../libseq/mpi.f:668:35: error: ‘mumps_copy_logical’ has already been defined 668 | SUBROUTINE MUMPS_COPY_LOGICAL( S, R, N ) | ^ ../libseq/mpi.f:668:35: note: previously defined here ../libseq/mpi.f:688:32: error: ‘mumps_copy_real’ has already been defined 688 | SUBROUTINE MUMPS_COPY_REAL( S, R, N ) | ^ ../libseq/mpi.f:688:32: note: previously defined here ../libseq/mpi.f:708:44: error: ‘mumps_copy_double_precision’ has already been defined 708 | SUBROUTINE MUMPS_COPY_DOUBLE_PRECISION( S, R, N ) | ^ ../libseq/mpi.f:708:44: note: previously defined here ../libseq/mpi.f:718:35: error: ‘mumps_copy_complex’ has already been defined 718 | SUBROUTINE MUMPS_COPY_COMPLEX( S, R, N ) | ^ ../libseq/mpi.f:718:35: note: previously defined here ../libseq/mpi.f:728:42: error: ‘mumps_copy_double_complex’ has already been defined 728 | SUBROUTINE MUMPS_COPY_DOUBLE_COMPLEX( S, R, N ) | ^ ../libseq/mpi.f:728:42: note: previously defined here ../libseq/mpi.f:698:45: error: ‘mumps_copy_2double_precision’ has already been defined 698 | SUBROUTINE MUMPS_COPY_2DOUBLE_PRECISION( S, R, N ) | ^ ../libseq/mpi.f:698:45: note: previously defined here ../libseq/mpi.f:678:36: error: ‘mumps_copy_2integer’ has already been defined 678 | SUBROUTINE MUMPS_COPY_2INTEGER( S, R, N ) | ^ ../libseq/mpi.f:678:36: note: previously defined here ../libseq/mpi.f:658:36: error: ‘mumps_copy_integer8’ has already been defined 658 | SUBROUTINE MUMPS_COPY_INTEGER8( S, R, N ) | ^ ../libseq/mpi.f:658:36: note: previously defined here ../libseq/mpi.f:739:40: error: ‘mumps_is_in_place’ has already been defined 739 | LOGICAL FUNCTION MUMPS_IS_IN_PLACE( SENDBUF, CNT ) | ^ ../libseq/mpi.f:739:40: note: previously defined here ../libseq/mpi.f:333:25: error: ‘mpi_init’ has already been defined 333 | SUBROUTINE MPI_INIT(IERR) | ^ ../libseq/mpi.f:333:25: note: previously defined here ../libseq/mpi.f:279:29: error: ‘mpi_finalize’ has already been defined 279 | SUBROUTINE MPI_FINALIZE( IERR ) | ^ ../libseq/mpi.f:279:29: note: previously defined here lto1: fatal error: errors during merging of translation units compilation terminated.