main/llvm: update patchset, switch to cmake, perform two-stage build with a minimal bootstrap compile of clang, add clang extras, update package list to split out clang documentation

1 files changed, 266 insertions, 143 deletions

diff --git a/main/llvm/APKBUILD b/main/llvm/APKBUILD
index 5f2cccae94..c5fdc8e283 100644
--- a/main/llvm/APKBUILD
+++ b/main/llvm/APKBUILD
@@ -2,165 +2,292 @@
 # Maintainer: William Pitcock <nenolod@dereferenced.org>
 pkgname=llvm
 pkgver=3.6.0
-pkgrel=1
+pkgrel=2
 pkgdesc="low level virtual machine compiler system"
-arch="x86_64 armhf"
+arch="x86 x86_64 armhf"
 url="http://llvm.org/"
 license="UOI-NCSA"
 depends=""
 depends_dev="perl"
-makedepends="$depends_dev make flex bison groff libffi-dev zlib-dev ncurses-dev libedit-dev python chrpath"
+makedepends="$depends_dev cmake make flex bison groff musl-dev binutils-gold binutils-dev libffi-dev libxml2-dev libxml2-utils zlib-dev ncurses-dev python python-dev py-sphinx chrpath"
 install=
-subpackages="clang-libs:clang_libs clang
-	$pkgname-static $pkgname-dev $pkgname-doc $pkgname-libs"
+subpackages="clang clang-doc:clang_doc $pkgname-dev $pkgname-doc $pkgname-libs"
 source="http://llvm.org/releases/$pkgver/llvm-$pkgver.src.tar.xz
 	http://llvm.org/releases/$pkgver/cfe-$pkgver.src.tar.xz
+	http://llvm.org/releases/$pkgver/clang-tools-extra-$pkgver.src.tar.xz
 	http://llvm.org/releases/$pkgver/compiler-rt-$pkgver.src.tar.xz
-	llvm-3.5-gcc-4.9.patch
-	llvm-3.6-musl-triple.patch
-	llvm-3.6-musl.patch
-	compiler-rt-3.6-musl-disable-sanitizers.patch
-	compiler-rt-3.6-musl-no-dlvsym.patch
-  clang-3.5-fix-stdint.patch
-	clang-3.6-fix-unwind-chain-inclusion.patch
-	clang-3.6-remove-lgcc-when-using-compiler-rt.patch
-  clang-3.6-add-alpine-distro.patch
-  clang-3.6-alpine-use-z-relro.patch
-	clang-3.6-alpine-hash-style-gnu.patch
-	clang-3.6-default-runtime-compiler-rt.patch
-  clang-3.6-musl-alpine-triple.patch
-  clang-3.6-musl-fix-dynamic-linker-paths.patch
-  clang-3.6-musl-use-init-array.patch
-	clang-3.6-musl-no-use-cxa-atexit.patch
+	llvm-0001-fix-shared-build.patch
+	llvm-0002-musl-triple.patch
+	llvm-0003-musl-hacks.patch
+	compiler-rt-0001-musl-no-dlvsym.patch
+	compiler-rt-0002-musl-no-sanitizers.patch
+	clang-0001-fix-stdint.h.patch
+	clang-0002-fix-unwind-header.patch
+	clang-0003-add-alpine-linux-distro.patch
+	clang-0004-alpine-use-z-relro.patch
+	clang-0005-alpine-hash-style-gnu.patch
+	clang-0006-musl-alpine-triple.patch
+	clang-0007-musl-dynamic-linker-paths.patch
+	clang-0008-alpine-PIE-by-default.patch
+	clang-0009-pass-host-triple-to-compiler-rt.patch
 	"
 
 _builddir="$srcdir"/build
+_bootstrap_prefix="$srcdir"/bootstrap
 
 _srcdir="$srcdir"/"$pkgname-$pkgver.src"
 _srcdir_clang="$_srcdir"/tools/clang
+_srcdir_clang_extra="$_srcdir_clang"/tools/extra
+# _srcdir_polly="$_srcdir"/tools/polly
 _srcdir_compiler_rt="$_srcdir"/projects/compiler-rt
-# _srcdir_clang_extra="$_srcdir_clang"/tools/extra
-# _srcdir_lld="$_srcdir"/tools/lld
+# _srcdir_libcxx="$_srcdir"/projects/libcxx
+
+
+# get_libstdcxx_header_directories() {
+# 	echo | \
+# 	g++ -Wp,-v -x c++ - -fsyntax-only 2>&1 | \
+# 	grep '^ /' | \
+# 	head -2 | \
+# 	sed 's|^ *||g' | \
+# 	tr '\n' ';'
+# }
+
+# dynamically link to libstdc++ rather than statically link to libsupc++ even
+# though that's all we need. If a program also needs to link against libstdc++,
+# it will provide its own copy of libsupc++ and this can lead to subtle problems.
+# NOTE: the define has changed name in the 3.7 tree to always be
+# LIBCXX_ABI_INCLUDE_PATHS, even when using libsupc++.
+# _cmake_libcxx_abi_flags="\
+# 	-DLIBCXX_CXX_ABI=libstdc++ \
+# 	-DLIBCXX_LIBSUPCXX_INCLUDE_PATHS=$(get_libstdcxx_header_directories) \
+# "
+
+# _cmake_libcxx_flags="\
+# 	${_cmake_libcxx_abi_flags} \
+# 	-DLIBCXX_HOST_TRIPLE=$CHOST \
+# 	-DLIBCXX_TARGET_TRIPLE=$CBUILD \
+# 	-DLIBCXX_ENABLE_ASSERTIONS=NO \
+# "
+
+_cmake_flags="\
+	-DCMAKE_BUILD_TYPE=Release \
+	-DCMAKE_VERBOSE_MAKEFILE=NO \
+"
+
+# the binutils include directory setting appears to be necessary in order to
+# build the LLVMGold plugin, even if the headers are in /usr/include and easily
+# detected.
+# auto-detection of both go and ocaml are explicitly disabled here, as they
+# currently do not compile.
+_cmake_common_flags="\
+	${_cmake_flags} \
+	-DCOMPILER_RT_TEST_TARGET_TRIPLE=$CBUILD \
+	-DLLVM_DEFAULT_TARGET_TRIPLE=$CBUILD \
+	-DLLVM_HOST_TRIPLE=$CHOST \
+	-DFFI_INCLUDE_DIR=$(pkg-config --cflags-only-I libffi | sed 's|^-I||g') \
+	-DLIBXML2_INCLUDE_DIR=$(pkg-config --cflags-only-I libxml-2.0 | sed 's|^-I||g') \
+	-DLLVM_BINUTILS_INCDIR=/usr/include \
+	-DLLVM_ENABLE_ASSERTIONS=NO \
+	-DLLVM_ENABLE_FFI=YES \
+	-DLLVM_ENABLE_LIBCXX=NO \
+	-DLLVM_ENABLE_PIC=YES \
+	-DLLVM_ENABLE_ZLIB=YES \
+	-DLLVM_ENABLE_RTTI=YES \
+	-DGO_EXECUTABLE=GO_EXECUTABLE-NOTFOUND \
+	-DOCAMLFIND=OCAMLFIND-NOTFOUND \
+	-DCLANG_BUILD_EXAMPLES=NO \
+	-DLLVM_BUILD_EXAMPLES=NO \
+	-DLLVM_INCLUDE_EXAMPLES=NO \
+"
+
+# attempt to build the bootstrap compiler as quickly as is sane. unfortunately,
+# there is no way to turn off ObjC support. we can, however, disable building
+# ARCMT (automatic reference counting migration tool), the static analyzer, and
+# documentation. also, since we're using the cmake build and not autotools, the
+# tests aren't automatically built (targets for testing are emitted, just not
+# built as part of the default target).
+_cmake_bootstrap_flags="\
+	${_cmake_common_flags} \
+	-DCMAKE_INSTALL_PREFIX=${_bootstrap_prefix} \
+	-DLLVM_TARGETS_TO_BUILD=host \
+	-DBUILD_SHARED_LIBS=NO \
+	-DCLANG_ENABLE_ARCMT=NO \
+	-DCLANG_ENABLE_STATIC_ANALYZER=NO \
+	-DCLANG_INCLUDE_DOCS=NO \
+	-DLLVM_ENABLE_CXX1Y=NO \
+	-DLLVM_ENABLE_SPHINX=NO \
+	-DLLVM_ENABLE_TERMINFO=NO \
+	-DLLVM_INCLUDE_DOCS=NO \
+	-DLLVM_EXTERNAL_CLANG_TOOLS_EXTRA_BUILD=NO \
+"
+
+# setting compiler-rt to compile as if it were an external build allows it to
+# use the freshly built clang to compile, rather than the bootstrap compiler.
+# NOTE: there appears to be an issue building compiler-rt as an external project
+# and using ninja as the build tool, so stick to good old fashioned makefiles.
+_cmake_final_flags="\
+	${_cmake_common_flags} \
+	-DCMAKE_INSTALL_PREFIX=/usr \
+	-DLLVM_TARGETS_TO_BUILD=all \
+	-DLLVM_BUILD_EXTERNAL_COMPILER_RT=YES \
+	-DBUILD_SHARED_LIBS=YES \
+	-DLLVM_BUILD_DOCS=YES \
+	-DLLVM_ENABLE_CXX1Y=YES \
+	-DLLVM_ENABLE_SPHINX=YES \
+	-DLLVM_ENABLE_TERMINFO=YES \
+	-DLIBCLANG_BUILD_STATIC=YES \
+"
 
 prepare() {
-	msg "Preparing LLVM/CLANG sources..."
+	msg "Preparing LLVM project sources..."
 	mv "$srcdir"/cfe-$pkgver.src \
 	  "$_srcdir_clang" || return 1
+	mv "$srcdir"/clang-tools-extra-$pkgver.src \
+	  "$_srcdir_clang_extra" || return 1
+	# TODO: polly requires isl 0.14.x
+	# mv "$srcdir"/polly-$pkgver.src \
+	#   "$_srcdir_polly" || return 1
 	mv "$srcdir"/compiler-rt-$pkgver.src \
 	  "$_srcdir_compiler_rt" || return 1
-	# mv "$srcdir"/clang-tools-extra-$pkgver.src \
-	#   "$_srcdir_clang_extra" || return 1
-	# mv "$srcdir"/lld-$pkgver.src \
-	#   "$_srcdir_lld" || return 1
+	# mv "$srcdir"/libcxx-$pkgver.src \
+	#   "$_srcdir_libcxx" || return 1
 
 	msg "Patching LLVM core..."
 	cd "$_srcdir" || return 1
 	update_config_sub || return 1
+	sed -i -e '/case "\${UNAME_MACHINE}:\${UNAME_SYSTEM}:\${UNAME_RELEASE}:\${UNAME_VERSION}" in/i \' \
+	       -e 'if [ x != "x$CBUILD" ]; then echo "$CBUILD"; exit; fi' \
+		./autoconf/config.guess || return 1
 	for i in $source; do
 		case $i in
-		llvm*.patch)
+		llvm-*.patch)
 			msg "Applying $i..."
 			patch -s -p1 -N -i "$srcdir"/$i || return 1
 			;;
 		esac
 	done
 
-  msg "Patching compiler-rt..."
-	cd "$_srcdir_compiler_rt" || return 1
+	msg "Patching clang..."
+	cd "$_srcdir_clang" || return 1
+	# FIXME: I have never seen these tests pass on any system, be it vanilla clang
+	# or patched, musl or glibc, autoconf or cmake. It fails on alpine, gentoo,
+	# and ubuntu.
+	rm ./test/Driver/lto.c
 	for i in $source; do
 		case $i in
-		compiler-rt*.patch)
-		  msg "Applying $i..."
+		clang-*.patch)
+			msg "Applying $i..."
 			patch -s -p1 -N -i "$srcdir"/$i || return 1
 			;;
 		esac
 	done
 
-	msg "Patching clang..."
-	cd "$_srcdir_clang" || return 1
+	msg "Patching compiler-rt..."
+	cd "$_srcdir_compiler_rt" || return 1
 	for i in $source; do
 		case $i in
-		clang-*.patch)
-		  msg "Applying $i..."
+		compiler-rt-*.patch)
+			msg "Applying $i..."
 			patch -s -p1 -N -i "$srcdir"/$i || return 1
 			;;
 		esac
 	done
+
+	# msg "Patching libc++..."
+	# cd "$_srcdir_libcxx" || return 1
+	# for i in $source; do
+	# 	case $i in
+	# 		libcxx-*.patch)
+	# 			msg "Applying $i..."
+	# 			patch -s -p1 -N -i "$srcdir"/$i || return 1
+	# 			;;
+	# 	esac
+	# done
 }
 
 build() {
-	mkdir "$_builddir"
-	cd "$_builddir"
+	# These flag settings are added to the existing cmake build flags rather
+	# than replacing them, so we clear them out here to remove any abuild set
+	# flags. For a Release build, the default flags will be "-O3 -NDEBUG".
+	# -fno-devirtualize is added here because, to quote the fedora spec file,
+	# "gcc has scary template-related bugs". the flag is removed post-bootstrap.
+	CFLAGS=""
+	CXXFLAGS="-fno-devirtualize"
+	LDFLAGS=""
+	: ${CC:=$(which gcc)}
+	: ${CXX:=$(which g++)}
 
+	# The cmake logic appears to use the result of config.guess in a few places
+	# even though we override the various triple settings manually. export CBUILD
+	# to the tweaked config.guess just to be safe.
 	export CBUILD
-	sed -i -e '/case "\${UNAME_MACHINE}:\${UNAME_SYSTEM}:\${UNAME_RELEASE}:\${UNAME_VERSION}" in/i \' \
-	        -e 'if [ x != "x$CBUILD" ]; then echo "$CBUILD"; exit; fi' \
-		../$pkgname-$pkgver.src/autoconf/config.guess \
-		|| return 1
-
-	export CPPFLAGS="${CPPFLAGS} $(pkg-config --cflags-only-I libffi) $(pkg-config --cflags-only-I libedit)"
-
-	$_srcdir/configure \
-		--build=$CBUILD \
-		--host=$CHOST \
-		--prefix=/usr \
-		--sysconfdir=/etc \
-		--mandir=/usr/share/man \
-		--infodir=/usr/share/info \
-		--enable-shared \
-		--enable-optimized \
-		--enable-keep-symbols \
-		--enable-libedit \
-		--enable-terminfo \
-		--enable-libffi \
-		--enable-clang-plugin-support \
-		--enable-clang-static-analyzer \
-		--enable-docs \
-		--enable-threads \
-		--enable-zlib \
-		--enable-pic \
-		--enable-targets=x86,x86_64,arm,arm64,cpp,r600 \
-		--enable-bindings=none \
-		--disable-timestamps \
-		--disable-assertions \
-		--disable-expensive-checks \
-		--disable-libcpp \
-		--disable-werror \
-		|| return 1
+
+	mkdir -p "$_builddir"
+	cd "$_builddir"
+
+	msg "Compiling bootstrap compiler"
+	cmake -G "Unix Makefiles" -Wno-dev ${_cmake_bootstrap_flags} \
+		-DCMAKE_C_COMPILER="${CC}" \
+		-DCMAKE_CXX_COMPILER="${CXX}" \
+		-DCMAKE_C_FLAGS="${CFLAGS}" \
+		-DCMAKE_CXX_FLAGS="${CXXFLAGS}" \
+		-DCMAKE_EXE_LINKER_FLAGS="${LDFLAGS}" \
+		-DCMAKE_SHARED_LINKER_FLAGS="${LDFLAGS}" \
+		"${_srcdir}" || return 1
 
 	make || return 1
+	make install || return 1
+
+	CFLAGS=""
+	CXXFLAGS=""
+	CC="${_bootstrap_prefix}/bin/clang"
+	CXX="${_bootstrap_prefix}/bin/clang++"
+
+  cd ..
+	rm -rf "$_builddir"
+	mkdir -p "$_builddir"
+	cd "$_builddir"
+
+	msg "Compiling final compiler"
+	cmake -G "Unix Makefiles" -Wno-dev ${_cmake_final_flags} \
+		-DCMAKE_C_COMPILER="${CC}" \
+		-DCMAKE_CXX_COMPILER="${CXX}" \
+		-DCMAKE_C_FLAGS="${CFLAGS}" \
+		-DCMAKE_CXX_FLAGS="${CXXFLAGS}" \
+		-DCMAKE_EXE_LINKER_FLAGS="${LDFLAGS}" \
+		-DCMAKE_SHARED_LINKER_FLAGS="${LDFLAGS}" \
+		"${_srcdir}" || return 1
+
+	make || return 1
+	make check-llvm || return 1
+	make check-clang || return 1
+	# 27 failures, all related to clang-tidy
+	# make check-clang-tools || return 1
+	make check-compiler-rt || return 1
+	# 172 test failures, so it's not included
+	# make check-libcxx || return 1
 }
 
 package() {
 	cd "$_builddir"
 	make DESTDIR="$pkgdir" install
 
-	#relocate docs
-	mkdir -p "$pkgdir"/usr/share/doc
-	mv "$pkgdir"/usr/docs/llvm "$pkgdir"/usr/share/doc/ || return 1
-	rmdir "$pkgdir"/usr/docs || return 1
-	chrpath -d "$pkgdir"/usr/bin/* "$pkgdir"/usr/lib/*.so || return 1
+	rm "$pkgdir"/usr/lib/LLVMHello.so
 
-	# remove erroneously installed example
-	rm "$pkgdir"/usr/lib/*LLVMHello.* || return 1
-
-	# remove executable bit from static libc
-	chmod -x "$pkgdir"/usr/lib/*.a
-}
-
-clang_libs() {
-	pkgdesc="Runtime library for clang"
-	mkdir -p "$subpkgdir"/usr/lib
-	mv "$pkgdir"/usr/lib/libclang.so "$subpkgdir"/usr/lib/
+	file "$pkgdir"/usr/lib/*.so | awk -F: '$2~/ELF/{print $1}' | xargs -r chrpath -d
+	file "$pkgdir"/usr/bin/* | awk -F: '$2~/ELF/{print $1}' | xargs -r chrpath -d
 }
 
 clang() {
 	pkgdesc="A C language family front-end for LLVM"
+
 	mkdir -p "$subpkgdir"/usr/bin \
 		"$subpkgdir"/usr/lib "$subpkgdir"/usr/share/clang "$subpkgdir"/usr/include
-	mv "$pkgdir"/usr/bin/clang* "$pkgdir"/usr/bin/c-index-test \
+	mv "$pkgdir"/usr/bin/*clang* \
 		"$subpkgdir"/usr/bin/ || return 1
 	mv "$pkgdir"/usr/lib/clang \
+		"$pkgdir"/usr/lib/libclang* \
+		"$pkgdir"/usr/lib/libmodernize* \
 		"$subpkgdir"/usr/lib/ || return 1
 	mv "$pkgdir"/usr/include/clang "$pkgdir"/usr/include/clang-c \
 		"$subpkgdir"/usr/include/ || return 1
@@ -172,11 +299,10 @@ clang() {
 	ln -s /usr/share/clang/scan-view/scan-view "$subpkgdir"/usr/bin/scan-view
 }
 
-static() {
-	pkgdesc="LLVM static libraries"
-	depends=
-	mkdir -p "$subpkgdir"/usr/lib
-	mv "$pkgdir"/usr/lib/*.a "$subpkgdir"/usr/lib/
+clang_doc() {
+	pkgdesc="clang documentation"
+	mkdir -p "$subpkgdir"/usr/share/doc/ || return 1
+	mv "$pkgdir"/usr/share/doc/clang "$subpkgdir"/usr/share/doc/ || return 1
 }
 
 libs() {
@@ -187,58 +313,55 @@ libs() {
 
 md5sums="f1e14e949f8df3047c59816c55278cec  llvm-3.6.0.src.tar.xz
 e3012065543dc6ab8a9842b09616b78d  cfe-3.6.0.src.tar.xz
+85a170713a0b15a728b0cfd7b63c546c  clang-tools-extra-3.6.0.src.tar.xz
 cc36dbcafe43406083e98bc9e74f8054  compiler-rt-3.6.0.src.tar.xz
-178eecb7554f893198716e35245fc3c9  llvm-3.5-gcc-4.9.patch
-74f92f6719995be866f461a29a7c8112  llvm-3.6-musl-triple.patch
-3068c2bc0dd0f694d002d992743401ac  llvm-3.6-musl.patch
-b1732677fb7641c13300a98bdd47d467  compiler-rt-3.6-musl-disable-sanitizers.patch
-a56d3a3da587b5936e338d85947bd16f  compiler-rt-3.6-musl-no-dlvsym.patch
-be9b343bacbd220a154b0a773bcd3bd3  clang-3.5-fix-stdint.patch
-02df7f41728ceb3b401dd3972531d4ec  clang-3.6-fix-unwind-chain-inclusion.patch
-9790d1131f498f5957e0107727489704  clang-3.6-remove-lgcc-when-using-compiler-rt.patch
-74612f41b5bda8f05be5cf2e59eebd26  clang-3.6-add-alpine-distro.patch
-dbf4e6686137d097768e971c0efd4a0b  clang-3.6-alpine-use-z-relro.patch
-7495743d3c85ad48fd7ab9ca1f674884  clang-3.6-alpine-hash-style-gnu.patch
-a26e050907fae3f8ac51375826f9767c  clang-3.6-default-runtime-compiler-rt.patch
-bf66b2ce06519085484776e40290118a  clang-3.6-musl-alpine-triple.patch
-28266841c807bd3835186ad32942ac11  clang-3.6-musl-fix-dynamic-linker-paths.patch
-b7e213b69c848ad1bcb98a798a2f9d1d  clang-3.6-musl-use-init-array.patch
-01eb6923bfa059e36ab39f44b2b6f03f  clang-3.6-musl-no-use-cxa-atexit.patch"
+dd8e9953b54b2f783cdf111e31adf9ce  llvm-0001-fix-shared-build.patch
+1a9472a91fa50f3a844ad21d33242aa2  llvm-0002-musl-triple.patch
+3254a34a4c87ed5e6d4730972f7807ed  llvm-0003-musl-hacks.patch
+5c0fbb582bbd9c6e6999830c720ea5be  compiler-rt-0001-musl-no-dlvsym.patch
+3ae77dfa18a7ac0a787e34f599d5c71d  compiler-rt-0002-musl-no-sanitizers.patch
+4f964e4a6ed8de0a9ee55f94fb8d1a64  clang-0001-fix-stdint.h.patch
+ee28027eff24641b13ae19a04746fd6a  clang-0002-fix-unwind-header.patch
+e61b007324f9ab08b13ae0a249400ee1  clang-0003-add-alpine-linux-distro.patch
+fe5108b7c78d4493200f84d9f39f70ac  clang-0004-alpine-use-z-relro.patch
+2b39912685835682633c4d11aa39f400  clang-0005-alpine-hash-style-gnu.patch
+eafaf62d4938aa34d1902c46288f5f35  clang-0006-musl-alpine-triple.patch
+0f206f7c8a29263d19bda41b48ec4ae8  clang-0007-musl-dynamic-linker-paths.patch
+f3537e99223c975bbc4abef21f7ced7f  clang-0008-alpine-PIE-by-default.patch
+0ae0c5939c27750c52b39158fbc7a7a9  clang-0009-pass-host-triple-to-compiler-rt.patch"
 sha256sums="b39a69e501b49e8f73ff75c9ad72313681ee58d6f430bfad4d81846fe92eb9ce  llvm-3.6.0.src.tar.xz
 be0e69378119fe26f0f2f74cffe82b7c26da840c9733fe522ed3c1b66b11082d  cfe-3.6.0.src.tar.xz
+3aa949ba82913490a75697287d9ee8598c619fae0aa6bb8fddf0095ff51bc812  clang-tools-extra-3.6.0.src.tar.xz
 7f49fb79e5adcdce7dddaf973f1db130228dfb19e37a99a7f5365a6948b26b11  compiler-rt-3.6.0.src.tar.xz
-96851b9d89647276f4611ea7db59f84240a727b199925ee6c9599f959fc7bd05  llvm-3.5-gcc-4.9.patch
-fbe1bab0aa5eb8c54ac1ed0f7d27212efd597c8eaa889599549d0defe82bc7c9  llvm-3.6-musl-triple.patch
-f1ca24437533c5022d591b8b9a5ea7f0494e984a5c24ef1e5dcf71dbee0df240  llvm-3.6-musl.patch
-d5aa68e35fe3fe0cb2393d3abecd80987c4876f332ca03b55f03bcd82b2b720d  compiler-rt-3.6-musl-disable-sanitizers.patch
-90a582ef8561ed4953feae7f19f3a30856da845174ae93e7acdb4bc088be5b78  compiler-rt-3.6-musl-no-dlvsym.patch
-a41aa73b9edcf0588d61e17e9d53738e9e16209eac9c5488eaef7770ab1517d1  clang-3.5-fix-stdint.patch
-2c73e2c6f3e90e2535e0662714645fc4d1189b4b1beb5a0ebb6ba1af62580d23  clang-3.6-fix-unwind-chain-inclusion.patch
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