46 lines
1.2 KiB
Ruby
46 lines
1.2 KiB
Ruby
require 'formula'
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class Fftw < Formula
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homepage 'http://www.fftw.org'
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url 'http://www.fftw.org/fftw-3.3.3.tar.gz'
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sha1 '11487180928d05746d431ebe7a176b52fe205cf9'
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option "with-fortran", "Enable Fortran bindings"
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def install
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args = ["--enable-shared",
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"--disable-debug",
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"--prefix=#{prefix}",
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"--enable-threads",
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"--disable-dependency-tracking"]
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if build.include? "with-fortran"
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ENV.fortran
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else
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args << "--disable-fortran" unless which 'gfortran'
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end
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# single precision
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# enable-sse only works with single
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system "./configure", "--enable-single",
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"--enable-sse",
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*args
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system "make install"
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# clean up so we can compile the double precision variant
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system "make clean"
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# double precision
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# enable-sse2 only works with double precision (default)
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system "./configure", "--enable-sse2", *args
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system "make install"
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# clean up so we can compile the long-double precision variant
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system "make clean"
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# long-double precision
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# no SIMD optimization available
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system "./configure", "--enable-long-double", *args
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system "make install"
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end
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end
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