91 lines
2.6 KiB
Ruby
91 lines
2.6 KiB
Ruby
require 'formula'
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def build_clang?; ARGV.include? '--with-clang'; end
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def build_universal?; ARGV.include? '--universal'; end
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def build_shared?; ARGV.include? '--shared'; end
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def build_rtti?; ARGV.include? '--rtti'; end
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class Clang < Formula
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url 'http://llvm.org/releases/2.9/clang-2.9.tgz'
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homepage 'http://llvm.org/'
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md5 '634de18d04b7a4ded19ec4c17d23cfca'
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end
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class Llvm < Formula
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url 'http://llvm.org/releases/2.9/llvm-2.9.tgz'
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homepage 'http://llvm.org/'
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md5 '793138412d2af2c7c7f54615f8943771'
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def patches
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# changes the link options for the shared library build
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# to use the preferred way to build libraries in Mac OS X
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# Reported upstream: http://llvm.org/bugs/show_bug.cgi?id=8985
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DATA if build_shared?
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end
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def options
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[['--with-clang', 'Also build & install clang'],
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['--shared', 'Build shared library'],
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['--rtti', 'Build with RTTI information'],
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['--universal', 'Build both i386 and x86_64 architectures']]
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end
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def install
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ENV.gcc_4_2 # llvm can't compile itself
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if build_shared? && build_universal?
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onoe "Cannot specify both shared and universal (will not build)"
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exit 1
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end
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if build_clang?
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clang_dir = Pathname.new(Dir.pwd)+'tools/clang'
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Clang.new.brew { clang_dir.install Dir['*'] }
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end
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if build_universal?
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ENV['UNIVERSAL'] = '1'
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ENV['UNIVERSAL_ARCH'] = 'i386 x86_64'
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end
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ENV['REQUIRES_RTTI'] = '1' if build_rtti?
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configure_options = ["--prefix=#{prefix}",
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"--enable-targets=host-only",
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"--enable-optimized"]
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configure_options << "--enable-shared" if build_shared?
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system "./configure", *configure_options
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system "make" # separate steps required, otherwise the build fails
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system "make install"
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Dir.chdir clang_dir do
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system "make install"
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end if build_clang?
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end
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def caveats; <<-EOS.undent
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If you already have LLVM installed, then "brew upgrade llvm" might not work.
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Instead, try:
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brew rm llvm & brew install llvm
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EOS
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end
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end
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__END__
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diff --git a/Makefile.rules b/Makefile.rules
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index 9cff105..44d5b2d 100644
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--- a/Makefile.rules
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+++ b/Makefile.rules
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@@ -497,7 +497,7 @@ ifeq ($(HOST_OS),Darwin)
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# Get "4" out of 10.4 for later pieces in the makefile.
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DARWIN_MAJVERS := $(shell echo $(DARWIN_VERSION)| sed -E 's/10.([0-9]).*/\1/')
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- SharedLinkOptions=-Wl,-flat_namespace -Wl,-undefined,suppress \
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+ SharedLinkOptions=-Wl,-undefined,dynamic_lookup \
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-dynamiclib
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ifneq ($(ARCH),ARM)
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SharedLinkOptions += -mmacosx-version-min=$(DARWIN_VERSION)
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