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require 'formula'
# References:
# * http://smalltalk.gnu.org/wiki/building-gst-guides
#
# Note that we build 32-bit, which means that 64-bit
# optional dependencies will break the build. You may need
# to "brew unlink" these before installing GNU Smalltalk and
# "brew link" them afterwards:
# * gdbm
class GnuSmalltalk < Formula
url 'ftp://ftp.gnu.org/gnu/smalltalk/smalltalk-3.2.2.tar.gz'
homepage 'http://smalltalk.gnu.org/'
sha1 'a985d69e4760420614c9dfe4d3605e47c5eb8faa'
# 'gmp' is an optional dep, it is built 64-bit on Snow Leopard
# (and this brew is forced to build in 32-bit mode.)
depends_on 'readline'
fails_with_llvm "Codegen problems with LLVM"
def install
# 64-bit version doesn't build, so force 32 bits.
ENV.m32
if MacOS.prefer_64_bit? and Formula.factory('gdbm').installed?
onoe "A 64-bit gdbm will cause linker errors"
puts <<-EOS.undent
GNU Smalltak doesn't compile 64-bit clean on OS X, so having a
64-bit gdbm installed will break linking you may want to do:
$ brew unlink gdbm
$ brew install gnu-smalltalk
$ brew link gdbm
EOS
end
readline = Formula.factory('readline')
# GNU Smalltalk thinks it needs GNU awk, but it works fine
# with OS X awk, so let's trick configure.
here = Dir.pwd
system "ln -s /usr/bin/awk #{here}/gawk"
ENV['AWK'] = "#{here}/gawk"
ENV['FFI_CFLAGS'] = '-I/usr/include/ffi'
system "./configure", "--disable-debug", "--disable-dependency-tracking",
"--prefix=#{prefix}",
"--with-readline=#{readline.lib}"
system "make"
ENV.j1 # Parallel install doesn't work
system "make install"
end
end
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