87 lines
2.6 KiB
Ruby
87 lines
2.6 KiB
Ruby
require 'formula'
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def TeX_installed?; return `which latex` != ''; end
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class Asymptote <Formula
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url 'http://downloads.sourceforge.net/asymptote/asymptote-2.05.src.tgz'
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homepage 'http://asymptote.sourceforge.net/'
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md5 '9194e477a47869f3039ad9ac917924d3'
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depends_on 'readline'
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depends_on 'bdw-gc'
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def link_asy_texmfhome
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texmfhome = `kpsewhich -var-value=TEXMFHOME`.chop
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texmflocl = `kpsewhich -var-value=TEXMFLOCAL`.chop
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asyhome = "#{texmfhome}/tex/latex/asymptote-brew"
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asylocl = "#{texmflocl}/tex/latex/asymptote"
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system "mkdir -p #{asyhome}"
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for asyfile in ['asycolors.sty','asymptote.sty','ocg.sty','latexmkrc']
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system "ln -s -f #{asylocl}/#{asyfile} #{asyhome}/#{asyfile}"
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end
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end
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def install
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unless TeX_installed?
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onoe <<-EOS.undent
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Asymptote requires a TeX/LaTeX installation; aborting now.
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You can obtain the TeX distribution for Mac OS X from
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http://www.tug.org/mactex/
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EOS
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exit 1
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end
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system "./configure", "--prefix=#{prefix}",
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"--enable-gc=#{HOMEBREW_PREFIX}"
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system "make install"
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link_asy_texmfhome
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end
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def caveats
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caveats = <<-EOS
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1) This formula links the latest version of asymptote.sty into your user
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texmf directory:
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~/Library/texmf/tex/asymptote-brew/asymptote.sty
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This file links back to where the Asymptote source installer puts it:
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/usr/local/texlive/texmf-local/tex/latex/asymptote/asymptote.sty
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Other users of your machine will not be able to use the source-installed
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version of asymptote.sty unless they perform a similar linking operation;
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e.g.,
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mkdir -p ~/Library/texmf/tex/asymptote-brew/
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ln -s /usr/local/texlive/texmf-local/tex/latex/asymptote/asymptote.sty ~/Library/texmf/tex/asymptote-brew/asymptote.sty
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and similarly for asycolors.sty, ocg.sty, and latexmkrc.
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If you are not using MacTeX / TeX Live or you have customised your TeX
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distribution, the paths shown above may not match your particular system,
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but you get the idea.
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2) If you want to have Asymptote compiled with support for fftw or gsl
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(fast fourier transforms or the GNU Scientific Library) they must be
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manually installed first:
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brew install fftw
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brew install gsl
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They are not compiled by default because they take a long time to compile
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and they are not required by most users. (And they're not included in the
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TeX Live build of Asymptote.)
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3) If you wish to use xasy, you must first install the Python Imaging
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Library (PIL):
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easy_install http://effbot.org/downloads/Imaging-1.1.7.tar.gz
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EOS
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end
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end
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