Unverified Commit 8fdae2b1 authored by Aleksana's avatar Aleksana Committed by GitHub
Browse files

fftwMpi: link explicitly against -lmpi (#463809)

parents 87f61ef8 01c82ddd

pkgs/by-name/ff/fftw/package.nix

+9 −1
Original line number Diff line number Diff line
@@ -69,7 +69,15 @@ stdenv.mkDerivation (finalAttrs: { 
  ++ lib.optional (

    stdenv.hostPlatform.isx86_64 && (precision == "single" || precision == "double")

  ) "--enable-sse2 --enable-avx --enable-avx2 --enable-avx512 --enable-avx128-fma"

  ++ lib.optional enableMpi "--enable-mpi"

  ++ lib.optionals enableMpi [

    "--enable-mpi"

    # link libfftw3_mpi explicitly with -lmpi

    # linker on darwin requires all symbols to be resolvable at link time

    # see

    #   https://github.com/FFTW/fftw3/issues/274

    #   https://github.com/spack/spack/pull/29279

    "MPILIBS=-lmpi"

  ]

  # doc generation causes Fortran wrapper generation which hard-codes gcc

  ++ lib.optional (!withDoc) "--disable-doc";