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require 'formula'
class Mpich2 < Formula
homepage 'http://www.mcs.anl.gov/research/projects/mpich2/index.php'
url 'http://www.mcs.anl.gov/research/projects/mpich2/downloads/tarballs/1.4.1p1/mpich2-1.4.1p1.tar.gz'
version '1.4.1p1'
sha1 '8dcc8888fb27232eb8f76c11cc890f1c3c483804'
head 'https://svn.mcs.anl.gov/repos/mpi/mpich2/trunk'
devel do
url 'http://www.mcs.anl.gov/research/projects/mpich2/downloads/tarballs/1.5b1/mpich2-1.5b1.tar.gz'
version '1.5b1'
sha1 'd9dfc992657c3cbe5b40374fd8aaa553ebaf5402'
end
# the HEAD version requires the autotools to be installed
# (autoconf>=2.67, automake>=1.11, libtool>=2.4)
if ARGV.build_head?
depends_on 'automake' => :build
depends_on 'libtool' => :build
end
def options
[
['--disable-fortran', "Do not attempt to build Fortran bindings"],
]
end
def install
unless ARGV.build_devel? or ARGV.build_head?
# parallel builds are broken prior to version 1.5a1
ENV.deparallelize
end
if ARGV.build_head?
# ensure that the consistent set of autotools built by homebrew is used to
# build MPICH2, otherwise very bizarre build errors can occur
ENV['MPICH2_AUTOTOOLS_DIR'] = (HOMEBREW_PREFIX+'bin')
system "./autogen.sh"
end
args = [
"--prefix=#{prefix}",
"--mandir=#{man}",
"--enable-shared"
]
if ARGV.include? '--disable-fortran'
args << "--disable-f77" << "--disable-fc"
else
ENV.fortran
end
system "./configure", *args
system "make"
system "make install"
# MPE installs several helper scripts like "mpeuninstall" to the sbin
# directory, which we don't need when installing via homebrew
sbin.rmtree
end
def caveats; <<-EOS.undent
Please be aware that installing this formula along with the `openmpi`
formula will cause neither MPI installation to work correctly as
both packages install their own versions of mpicc/mpicxx and mpirun.
EOS
end
def test
# a better test would be to build and run a small MPI program
system "#{bin}/mpicc", "-show"
end
end
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