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require 'formula'
def build_clang?; ARGV.include? '--with-clang'; end
def build_all_targets?; ARGV.include? '--all-targets'; end
def build_universal?; ARGV.build_universal?; end
def build_shared?; ARGV.include? '--shared'; end
def build_rtti?; ARGV.include? '--rtti'; end
class Clang < Formula
homepage 'http://llvm.org/'
url 'http://llvm.org/releases/2.9/clang-2.9.tgz'
md5 '634de18d04b7a4ded19ec4c17d23cfca'
end
class Llvm < Formula
homepage 'http://llvm.org/'
url 'http://llvm.org/releases/2.9/llvm-2.9.tgz'
md5 '793138412d2af2c7c7f54615f8943771'
def patches
# changes the link options for the shared library build
# to use the preferred way to build libraries in Mac OS X
# Reported upstream: http://llvm.org/bugs/show_bug.cgi?id=8985
DATA if build_shared?
end
def options
[['--with-clang', 'Also build & install clang'],
['--shared', 'Build shared library'],
['--all-targets', 'Build all target backends'],
['--rtti', 'Build with RTTI information'],
['--universal', 'Build both i386 and x86_64 architectures']]
end
def install
ENV.gcc_4_2 # llvm can't compile itself
if build_shared? && build_universal?
onoe "Cannot specify both shared and universal (will not build)"
exit 1
end
if build_clang?
clang_dir = Pathname.new(Dir.pwd)+'tools/clang'
Clang.new.brew { clang_dir.install Dir['*'] }
end
if build_universal?
ENV['UNIVERSAL'] = '1'
ENV['UNIVERSAL_ARCH'] = 'i386 x86_64'
end
ENV['REQUIRES_RTTI'] = '1' if build_rtti?
configure_options = ["--prefix=#{prefix}",
"--enable-optimized"]
if build_all_targets?
configure_options << "--enable-targets=all"
else
configure_options << "--enable-targets=host-only"
end
configure_options << "--enable-shared" if build_shared?
system "./configure", *configure_options
system "make" # separate steps required, otherwise the build fails
system "make install"
Dir.chdir clang_dir do
system "make install"
bin.install 'tools/scan-build/set-xcode-analyzer'
end if build_clang?
end
def caveats; <<-EOS.undent
If you already have LLVM installed, then "brew upgrade llvm" might not work.
Instead, try:
brew rm llvm & brew install llvm
EOS
end
end
__END__
diff --git i/Makefile.rules w/Makefile.rules
index 5fc77a5..a6baaf4 100644
--- i/Makefile.rules
+++ w/Makefile.rules
@@ -507,7 +507,7 @@ ifeq ($(HOST_OS),Darwin)
# Get "4" out of 10.4 for later pieces in the makefile.
DARWIN_MAJVERS := $(shell echo $(DARWIN_VERSION)| sed -E 's/10.([0-9]).*/\1/')
- LoadableModuleOptions := -Wl,-flat_namespace -Wl,-undefined,suppress
+ LoadableModuleOptions := -Wl,-undefined,dynamic_lookup
SharedLinkOptions := -dynamiclib
ifneq ($(ARCH),ARM)
SharedLinkOptions += -mmacosx-version-min=$(DARWIN_VERSION)
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