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require 'formula'
class GambitScheme < Formula
homepage 'http://dynamo.iro.umontreal.ca/~gambit/wiki/index.php/Main_Page'
url 'http://www.iro.umontreal.ca/~gambit/download/gambit/v4.7/source/gambc-v4_7_0.tgz'
sha256 '2b03ecef89da2a53212dc3e6583ee4175d91a0752779e1758bcab5d09e9d1e63'
conflicts_with 'ghostscript', :because => 'both install `gsc` binaries'
conflicts_with 'scheme48', :because => 'both install `scheme-r5rs` binaries'
option 'with-check', 'Execute "make check" before installing'
option 'enable-shared', 'Build Gambit Scheme runtime as shared library'
fails_with :llvm
def install
args = %W[
--disable-debug
--prefix=#{prefix}
--libdir=#{lib}/gambit-c
--infodir=#{info}
--docdir=#{doc}
]
# Recommended to improve the execution speed and compactness
# of the generated executables. Increases compilation times.
# Don't enable this when using clang, per configure warning.
args << "--enable-single-host" unless ENV.compiler == :clang
args << "--enable-shared" if build.include? 'enable-shared'
if ENV.compiler == :clang
opoo <<-EOS.undent
Gambit will build with Clang, however the build may take longer and
produce substandard binaries. If you have GCC, you can get a faster
build and faster execution with:
brew install gambit-scheme --cc=gcc-4.2 # or 4.7, 4.8, etc.
EOS
end
system "./configure", *args
system "make check" if build.include? 'with-check'
ENV.j1
system "make"
system "make install"
end
end
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