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require 'formula'
class Qrupdate < Formula
homepage 'http://sourceforge.net/projects/qrupdate/'
url 'https://downloads.sourceforge.net/qrupdate/qrupdate-1.1.2.tar.gz'
sha1 'f7403b646ace20f4a2b080b4933a1e9152fac526'
depends_on :fortran
depends_on "homebrew/science/openblas" => :optional
def install
ENV.j1
ENV['PREFIX'] = prefix
if build.with? 'openblas'
fflags = ENV.fcflags
lflags = "#{ENV.ldflags} -L#{Formula["openblas"].lib} -lopenblas"
else
# We're using the -ff2c flag here to avoid having to depend on dotwrp.
# Because qrupdate exports only subroutines, the resulting library is
# compatible with packages compiled with or without the -ff2c flag.
fflags = "#{ENV.fcflags} -ff2c"
lflags = "#{ENV.ldflags} -framework Accelerate"
end
inreplace 'Makeconf' do |s|
s.change_make_var! 'FC', ENV.fc
s.change_make_var! 'FFLAGS', fflags
s.change_make_var! 'BLAS', lflags
s.change_make_var! 'LAPACK', ""
end
cd "./src"
inreplace 'Makefile' do |s|
s.gsub! 'install -D', 'install'
end
lib.mkpath
system 'make install'
end
end
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