class Mpich < Formula desc "Implementation of the MPI Message Passing Interface standard" homepage "https://www.mpich.org/" url "https://www.mpich.org/static/downloads/3.2.1/mpich-3.2.1.tar.gz" mirror "https://fossies.org/linux/misc/mpich-3.2.1.tar.gz" sha256 "5db53bf2edfaa2238eb6a0a5bc3d2c2ccbfbb1badd79b664a1a919d2ce2330f1" revision 2 bottle do sha256 "5c3b8952de7a07098e19a032fc183f7dc5ea27e6cd70d01c2f620fcbb1031ad7" => :high_sierra sha256 "835787746d5851c0e43b19ebf762d1afbcc0e8ad6df38288c3f1bccedd04fd89" => :sierra sha256 "38ceb721bb800c6a375646c186646c0de4e34a270604bf58e87ad6896643a0c4" => :el_capitan end devel do url "https://www.mpich.org/static/downloads/3.3b1/mpich-3.3b1.tar.gz" sha256 "f0c822ac48ee01037ec63ec882a945b0730cea6e2f28f262624983e51a983c98" end head do url "http://git.mpich.org/mpich.git" depends_on "autoconf" => :build depends_on "automake" => :build depends_on "libtool" => :build end depends_on "gcc" # for gfortran conflicts_with "open-mpi", :because => "both install MPI compiler wrappers" def install if build.head? # ensure that the consistent set of autotools built by homebrew is used to # build MPICH, otherwise very bizarre build errors can occur ENV["MPICH_AUTOTOOLS_DIR"] = HOMEBREW_PREFIX + "bin" system "./autogen.sh" end system "./configure", "--disable-dependency-tracking", "--disable-silent-rules", "--prefix=#{prefix}", "--mandir=#{man}" system "make" system "make", "check" system "make", "install" end test do (testpath/"hello.c").write <<~EOS #include <mpi.h> #include <stdio.h> int main() { int size, rank, nameLen; char name[MPI_MAX_PROCESSOR_NAME]; MPI_Init(NULL, NULL); MPI_Comm_size(MPI_COMM_WORLD, &size); MPI_Comm_rank(MPI_COMM_WORLD, &rank); MPI_Get_processor_name(name, &nameLen); printf("[%d/%d] Hello, world! My name is %s.\\n", rank, size, name); MPI_Finalize(); return 0; } EOS system "#{bin}/mpicc", "hello.c", "-o", "hello" system "./hello" system "#{bin}/mpirun", "-np", "4", "./hello" (testpath/"hellof.f90").write <<~EOS program hello include 'mpif.h' integer rank, size, ierror, tag, status(MPI_STATUS_SIZE) call MPI_INIT(ierror) call MPI_COMM_SIZE(MPI_COMM_WORLD, size, ierror) call MPI_COMM_RANK(MPI_COMM_WORLD, rank, ierror) print*, 'node', rank, ': Hello Fortran world' call MPI_FINALIZE(ierror) end EOS system "#{bin}/mpif90", "hellof.f90", "-o", "hellof" system "./hellof" system "#{bin}/mpirun", "-np", "4", "./hellof" end end