[arch-commits] Commit in lib32-llvm/repos (4 files)
Laurent Carlier
lcarlier at archlinux.org
Sat Sep 26 20:35:06 UTC 2015
Date: Saturday, September 26, 2015 @ 22:35:06
Author: lcarlier
Revision: 141647
archrelease: copy trunk to multilib-staging-x86_64
Added:
lib32-llvm/repos/multilib-staging-x86_64/
lib32-llvm/repos/multilib-staging-x86_64/PKGBUILD
(from rev 141646, lib32-llvm/trunk/PKGBUILD)
lib32-llvm/repos/multilib-staging-x86_64/llvm-3.7.0-export-more-symbols.patch
(from rev 141646, lib32-llvm/trunk/llvm-3.7.0-export-more-symbols.patch)
lib32-llvm/repos/multilib-staging-x86_64/llvm-3.7.0-link-tools-against-libLLVM.patch
(from rev 141646, lib32-llvm/trunk/llvm-3.7.0-link-tools-against-libLLVM.patch)
---------------------------------------------+
PKGBUILD | 156 +++++++++
llvm-3.7.0-export-more-symbols.patch | 11
llvm-3.7.0-link-tools-against-libLLVM.patch | 440 ++++++++++++++++++++++++++
3 files changed, 607 insertions(+)
Copied: lib32-llvm/repos/multilib-staging-x86_64/PKGBUILD (from rev 141646, lib32-llvm/trunk/PKGBUILD)
===================================================================
--- multilib-staging-x86_64/PKGBUILD (rev 0)
+++ multilib-staging-x86_64/PKGBUILD 2015-09-26 20:35:06 UTC (rev 141647)
@@ -0,0 +1,156 @@
+# $Id$
+# Maintainer: Evangelos Foutras <foutrelis at gmail.com>
+# Contributor: Jan "heftig" Steffens <jan.steffens at gmail.com>
+# Contributor: Sebastian Nowicki <sebnow at gmail.com>
+# Contributor: Devin Cofer <ranguvar{AT]archlinux[DOT}us>
+# Contributor: Tobias Kieslich <tobias at justdreams.de>
+# Contributor: Geoffroy Carrier <geoffroy.carrier at aur.archlinux.org>
+# Contributor: Tomas Lindquist Olsen <tomas at famolsen.dk>
+# Contributor: Roberto Alsina <ralsina at kde.org>
+# Contributor: Gerardo Exequiel Pozzi <vmlinuz386 at yahoo.com.ar>
+
+pkgname=('lib32-llvm' 'lib32-llvm-libs' 'lib32-clang')
+pkgver=3.7.0
+pkgrel=2
+arch=('x86_64')
+url="http://llvm.org/"
+license=('custom:University of Illinois/NCSA Open Source License')
+makedepends=('cmake' 'lib32-libffi' 'lib32-zlib' 'python2' 'gcc-multilib'
+ 'lib32-libxml2')
+options=('staticlibs')
+source=(http://llvm.org/releases/$pkgver/llvm-$pkgver.src.tar.xz{,.sig}
+ http://llvm.org/releases/$pkgver/cfe-$pkgver.src.tar.xz{,.sig}
+ http://llvm.org/releases/$pkgver/compiler-rt-$pkgver.src.tar.xz{,.sig}
+ llvm-3.7.0-link-tools-against-libLLVM.patch
+ llvm-3.7.0-export-more-symbols.patch)
+sha256sums=('ab45895f9dcdad1e140a3a79fd709f64b05ad7364e308c0e582c5b02e9cc3153'
+ 'SKIP'
+ '4ed740c5a91df1c90a4118c5154851d6a475f39a91346bdf268c1c29c13aa1cc'
+ 'SKIP'
+ '227fa998520bc94974a428dc8e7654d9bdf277e5bc70d4064ebc05691bd62b0b'
+ 'SKIP'
+ 'cf9c8b4d70b4547eda162644658c5c203c3139fcea6c75003b6cd7dc11a8cccc'
+ 'a1c9f36b97c639666ab6a1bd647a08a027e93e3d3cfd6f5af9c36e757599ce81')
+validpgpkeys=('11E521D646982372EB577A1F8F0871F202119294'
+ 'B6C8F98282B944E3B0D5C2530FC3042E345AD05D')
+
+prepare() {
+ cd "$srcdir/llvm-$pkgver.src"
+
+ # At the present, clang must reside inside the LLVM source code tree to build
+ # See http://llvm.org/bugs/show_bug.cgi?id=4840
+ mv "$srcdir/cfe-$pkgver.src" tools/clang
+
+ mv "$srcdir/compiler-rt-$pkgver.src" projects/compiler-rt
+
+ # Backport LLVM_LINK_LLVM_DYLIB option
+ # https://bugs.archlinux.org/task/46392
+ patch -Np1 -i ../llvm-3.7.0-link-tools-against-libLLVM.patch
+
+ # https://llvm.org/bugs/show_bug.cgi?id=24157
+ patch -Np2 -i ../llvm-3.7.0-export-more-symbols.patch
+
+ mkdir build
+}
+
+build() {
+ cd "$srcdir/llvm-$pkgver.src/build"
+
+ export PKG_CONFIG_PATH="/usr/lib32/pkgconfig"
+
+ cmake \
+ -DCMAKE_BUILD_TYPE=Release \
+ -DCMAKE_INSTALL_PREFIX=/usr \
+ -DLLVM_LIBDIR_SUFFIX=32 \
+ -DCMAKE_C_FLAGS:STRING=-m32 \
+ -DCMAKE_CXX_FLAGS:STRING=-m32 \
+ -DLLVM_TARGET_ARCH:STRING=i686 \
+ -DLLVM_DEFAULT_TARGET_TRIPLE="i686-unknown-linux-gnu" \
+ -DLLVM_BUILD_LLVM_DYLIB=ON \
+ -DLLVM_DYLIB_EXPORT_ALL=ON \
+ -DLLVM_LINK_LLVM_DYLIB=ON \
+ -DLLVM_ENABLE_RTTI=ON \
+ -DLLVM_ENABLE_FFI=ON \
+ -DLLVM_BUILD_DOCS=OFF \
+ -DLLVM_ENABLE_SPHINX=OFF \
+ -DLLVM_ENABLE_DOXYGEN=OFF \
+ -DFFI_INCLUDE_DIR=$(pkg-config --cflags-only-I libffi | cut -c3-) \
+ -DLLVM_BINUTILS_INCDIR=/usr/include \
+ ..
+
+ make
+
+ # Disable automatic installation of components that go into subpackages
+ sed -i '/\(clang\|lldb\)\/cmake_install.cmake/d' tools/cmake_install.cmake
+ sed -i '/extra\/cmake_install.cmake/d' tools/clang/tools/cmake_install.cmake
+ sed -i '/compiler-rt\/cmake_install.cmake/d' projects/cmake_install.cmake
+}
+
+package_lib32-llvm() {
+ pkgdesc="Low Level Virtual Machine (32-bit)"
+ depends=('lib32-llvm-libs' 'llvm')
+
+ cd "$srcdir/llvm-$pkgver.src"
+
+ make -C build DESTDIR="$pkgdir" install
+
+ # The runtime library goes into lib32-llvm-libs
+ mv "$pkgdir"/usr/lib32/lib{LLVM,LTO}.so* "$srcdir"
+ mv -f "$pkgdir"/usr/lib32/{LLVMgold,BugpointPasses}.so "$srcdir"
+
+ # Fix permissions of static libs
+ chmod -x "$pkgdir"/usr/lib32/*.a
+
+ mv "$pkgdir/usr/bin/llvm-config" "$pkgdir/usr/lib32/llvm-config"
+ mv "$pkgdir/usr/include/llvm/Config/llvm-config.h" \
+ "$pkgdir/usr/lib32/llvm-config-32.h"
+
+ # Get rid of example Hello transformation
+ rm "$pkgdir"/usr/lib32/*LLVMHello.*
+
+ rm -rf "$pkgdir"/usr/{bin,include,share/{doc,man,llvm}}
+
+ # Needed for multilib (https://bugs.archlinux.org/task/29951)
+ # Header stub is taken from Fedora
+ install -d "$pkgdir/usr/include/llvm/Config"
+ mv "$pkgdir/usr/lib32/llvm-config-32.h" "$pkgdir/usr/include/llvm/Config/"
+
+ mkdir "$pkgdir"/usr/bin
+ mv "$pkgdir/usr/lib32/llvm-config" "$pkgdir/usr/bin/llvm-config32"
+
+ install -Dm644 LICENSE.TXT "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
+}
+
+package_lib32-llvm-libs() {
+ pkgdesc="Low Level Virtual Machine (runtime library)(32-bit) "
+ depends=('lib32-libffi' 'lib32-zlib' 'lib32-ncurses' 'lib32-gcc-libs')
+
+ install -d "$pkgdir/usr/lib32"
+
+ cp -P \
+ "$srcdir"/lib{LLVM,LTO}.so* \
+ "$srcdir"/{LLVMgold,BugpointPasses}.so \
+ "$pkgdir/usr/lib32/"
+
+ # Symlink LLVMgold.so from /usr/lib/bfd-plugins
+ # https://bugs.archlinux.org/task/28479
+ install -d "$pkgdir/usr/lib32/bfd-plugins"
+ ln -s ../LLVMgold.so "$pkgdir/usr/lib32/bfd-plugins/LLVMgold.so"
+
+ install -Dm644 llvm-$pkgver.src/LICENSE.TXT "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
+}
+
+package_lib32-clang() {
+ pkgdesc="C language family frontend for LLVM"
+ url="http://clang.llvm.org/"
+ depends=("lib32-llvm=$pkgver-$pkgrel" 'clang' 'gcc-multilib')
+
+ cd "$srcdir/llvm-$pkgver.src"
+
+ make -C build/tools/clang DESTDIR="$pkgdir" install
+
+ rm -r "$pkgdir"/usr/{bin,include,share}
+
+ install -Dm644 LICENSE.TXT "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
+}
+
Copied: lib32-llvm/repos/multilib-staging-x86_64/llvm-3.7.0-export-more-symbols.patch (from rev 141646, lib32-llvm/trunk/llvm-3.7.0-export-more-symbols.patch)
===================================================================
--- multilib-staging-x86_64/llvm-3.7.0-export-more-symbols.patch (rev 0)
+++ multilib-staging-x86_64/llvm-3.7.0-export-more-symbols.patch 2015-09-26 20:35:06 UTC (rev 141647)
@@ -0,0 +1,11 @@
+--- src/llvm/tools/llvm-shlib/CMakeLists.txt.orig 2015-09-06 12:31:21.765250429 +0300
++++ src/llvm/tools/llvm-shlib/CMakeLists.txt 2015-09-06 13:17:10.820174432 +0300
+@@ -64,7 +64,7 @@
+
+ if (LLVM_DYLIB_EXPORT_ALL)
+ add_custom_command(OUTPUT ${LLVM_EXPORTED_SYMBOL_FILE}
+- COMMAND echo \"LLVM*\" > ${LLVM_EXPORTED_SYMBOL_FILE} && echo \"_Z*llvm*\" >> ${LLVM_EXPORTED_SYMBOL_FILE}
++ COMMAND echo -e \"LLVM*\\n_Z*llvm*\\nConvertUTF*\\ngetNumBytesForUTF8\\nisLegalUTF8*\" > ${LLVM_EXPORTED_SYMBOL_FILE}
+ WORKING_DIRECTORY ${LIB_DIR}
+ DEPENDS ${LLVM_DYLIB_REQUIRED_EXPORTS}
+ COMMENT "Generating combined export list...")
Copied: lib32-llvm/repos/multilib-staging-x86_64/llvm-3.7.0-link-tools-against-libLLVM.patch (from rev 141646, lib32-llvm/trunk/llvm-3.7.0-link-tools-against-libLLVM.patch)
===================================================================
--- multilib-staging-x86_64/llvm-3.7.0-link-tools-against-libLLVM.patch (rev 0)
+++ multilib-staging-x86_64/llvm-3.7.0-link-tools-against-libLLVM.patch 2015-09-26 20:35:06 UTC (rev 141647)
@@ -0,0 +1,440 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index ac3b978..dd50236 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -342,9 +342,21 @@ option (LLVM_ENABLE_SPHINX "Use Sphinx to generate llvm documentation." OFF)
+ option (LLVM_BUILD_EXTERNAL_COMPILER_RT
+ "Build compiler-rt as an external project." OFF)
+
+-option(LLVM_BUILD_LLVM_DYLIB "Build libllvm dynamic library" OFF)
+-option(LLVM_DYLIB_EXPORT_ALL "Export all symbols from libLLVM.dylib (default is C API only" OFF)
+-option(LLVM_DISABLE_LLVM_DYLIB_ATEXIT "Disable llvm-shlib's atexit destructors." ON)
++# You can configure which libraries from LLVM you want to include in the
++# shared library by setting LLVM_DYLIB_COMPONENTS to a semi-colon delimited
++# list of LLVM components. All component names handled by llvm-config are valid.
++if(NOT DEFINED LLVM_DYLIB_COMPONENTS)
++ set(LLVM_DYLIB_COMPONENTS "all" CACHE STRING
++ "Semicolon-separated list of components to include in libLLVM, or \"all\".")
++endif()
++option(LLVM_LINK_LLVM_DYLIB "Link tools against the libllvm dynamic library" OFF)
++option(LLVM_BUILD_LLVM_DYLIB "Build libllvm dynamic library" ${LLVM_LINK_LLVM_DYLIB})
++option(LLVM_DYLIB_EXPORT_ALL "Export all symbols from libLLVM.dylib (default is C API only" ${LLVM_LINK_LLVM_DYLIB})
++set(LLVM_DISABLE_LLVM_DYLIB_ATEXIT_DEFAULT ON)
++if (LLVM_LINK_LLVM_DYLIB)
++ set(LLVM_DISABLE_LLVM_DYLIB_ATEXIT_DEFAULT OFF)
++endif()
++option(LLVM_DISABLE_LLVM_DYLIB_ATEXIT "Disable llvm-shlib's atexit destructors." ${LLVM_DISABLE_LLVM_DYLIB_ATEXIT_DEFAULT})
+ if(LLVM_DISABLE_LLVM_DYLIB_ATEXIT)
+ set(DISABLE_LLVM_DYLIB_ATEXIT 1)
+ endif()
+diff --git a/cmake/modules/AddLLVM.cmake b/cmake/modules/AddLLVM.cmake
+index 45f6746..6b6e6e0 100644
+--- a/cmake/modules/AddLLVM.cmake
++++ b/cmake/modules/AddLLVM.cmake
+@@ -41,7 +41,7 @@ function(llvm_update_compile_flags name)
+ # Assume that;
+ # - LLVM_COMPILE_FLAGS is list.
+ # - PROPERTY COMPILE_FLAGS is string.
+- string(REPLACE ";" " " target_compile_flags "${LLVM_COMPILE_FLAGS}")
++ string(REPLACE ";" " " target_compile_flags " ${LLVM_COMPILE_FLAGS}")
+
+ if(update_src_props)
+ foreach(fn ${sources})
+@@ -303,6 +303,9 @@ endfunction(set_windows_version_resource_properties)
+ # MODULE
+ # Target ${name} might not be created on unsupported platforms.
+ # Check with "if(TARGET ${name})".
++# DISABLE_LLVM_LINK_LLVM_DYLIB
++# Do not link this library to libLLVM, even if
++# LLVM_LINK_LLVM_DYLIB is enabled.
+ # OUTPUT_NAME name
+ # Corresponds to OUTPUT_NAME in target properties.
+ # DEPENDS targets...
+@@ -316,7 +319,7 @@ endfunction(set_windows_version_resource_properties)
+ # )
+ function(llvm_add_library name)
+ cmake_parse_arguments(ARG
+- "MODULE;SHARED;STATIC"
++ "MODULE;SHARED;STATIC;DISABLE_LLVM_LINK_LLVM_DYLIB"
+ "OUTPUT_NAME"
+ "ADDITIONAL_HEADERS;DEPENDS;LINK_COMPONENTS;LINK_LIBS;OBJLIBS"
+ ${ARGN})
+@@ -444,10 +447,14 @@ function(llvm_add_library name)
+ # property has been set to an empty value.
+ get_property(lib_deps GLOBAL PROPERTY LLVMBUILD_LIB_DEPS_${name})
+
+- llvm_map_components_to_libnames(llvm_libs
+- ${ARG_LINK_COMPONENTS}
+- ${LLVM_LINK_COMPONENTS}
+- )
++ if (LLVM_LINK_LLVM_DYLIB AND NOT ARG_STATIC AND NOT ARG_DISABLE_LLVM_LINK_LLVM_DYLIB)
++ set(llvm_libs LLVM)
++ else()
++ llvm_map_components_to_libnames(llvm_libs
++ ${ARG_LINK_COMPONENTS}
++ ${LLVM_LINK_COMPONENTS}
++ )
++ endif()
+
+ if(CMAKE_VERSION VERSION_LESS 2.8.12)
+ # Link libs w/o keywords, assuming PUBLIC.
+@@ -562,7 +569,22 @@ endmacro(add_llvm_loadable_module name)
+
+
+ macro(add_llvm_executable name)
+- llvm_process_sources( ALL_FILES ${ARGN} )
++ cmake_parse_arguments(ARG "DISABLE_LLVM_LINK_LLVM_DYLIB" "" "" ${ARGN})
++ llvm_process_sources( ALL_FILES ${ARG_UNPARSED_ARGUMENTS} )
++
++ # Generate objlib
++ if(LLVM_ENABLE_OBJLIB)
++ # Generate an obj library for both targets.
++ set(obj_name "obj.${name}")
++ add_library(${obj_name} OBJECT EXCLUDE_FROM_ALL
++ ${ALL_FILES}
++ )
++ llvm_update_compile_flags(${obj_name})
++ set(ALL_FILES "$<TARGET_OBJECTS:${obj_name}>")
++
++ set_target_properties(${obj_name} PROPERTIES FOLDER "Object Libraries")
++ endif()
++
+ add_windows_version_resource_file(ALL_FILES ${ALL_FILES})
+
+ if( EXCLUDE_FROM_ALL )
+@@ -588,9 +610,13 @@ macro(add_llvm_executable name)
+ add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} )
+ endif(LLVM_EXPORTED_SYMBOL_FILE)
+
++ if (LLVM_LINK_LLVM_DYLIB AND NOT ARG_DISABLE_LLVM_LINK_LLVM_DYLIB)
++ set(USE_SHARED USE_SHARED)
++ endif()
++
+ set(EXCLUDE_FROM_ALL OFF)
+ set_output_directory(${name} ${LLVM_RUNTIME_OUTPUT_INTDIR} ${LLVM_LIBRARY_OUTPUT_INTDIR})
+- llvm_config( ${name} ${LLVM_LINK_COMPONENTS} )
++ llvm_config( ${name} ${USE_SHARED} ${LLVM_LINK_COMPONENTS} )
+ if( LLVM_COMMON_DEPENDS )
+ add_dependencies( ${name} ${LLVM_COMMON_DEPENDS} )
+ endif( LLVM_COMMON_DEPENDS )
+@@ -651,7 +677,7 @@ endmacro(add_llvm_example name)
+
+
+ macro(add_llvm_utility name)
+- add_llvm_executable(${name} ${ARGN})
++ add_llvm_executable(${name} DISABLE_LLVM_LINK_LLVM_DYLIB ${ARGN})
+ set_target_properties(${name} PROPERTIES FOLDER "Utils")
+ if( LLVM_INSTALL_UTILS )
+ install (TARGETS ${name}
+@@ -785,8 +811,13 @@ function(llvm_add_go_executable binary pkgpath)
+ set(cppflags "${cppflags} -I${d}")
+ endforeach(d)
+ set(ldflags "${CMAKE_EXE_LINKER_FLAGS}")
++ if (LLVM_LINK_LLVM_DYLIB)
++ set(linkmode "dylib")
++ else()
++ set(linkmode "component-libs")
++ endif()
+ add_custom_command(OUTPUT ${binpath}
+- COMMAND ${CMAKE_BINARY_DIR}/bin/llvm-go "cc=${cc}" "cxx=${cxx}" "cppflags=${cppflags}" "ldflags=${ldflags}"
++ COMMAND ${CMAKE_BINARY_DIR}/bin/llvm-go "go=${GO_EXECUTABLE}" "cc=${cc}" "cxx=${cxx}" "cppflags=${cppflags}" "ldflags=${ldflags}" "linkmode=${linkmode}"
+ ${ARG_GOFLAGS} build -o ${binpath} ${pkgpath}
+ DEPENDS llvm-config ${CMAKE_BINARY_DIR}/bin/llvm-go${CMAKE_EXECUTABLE_SUFFIX}
+ ${llvmlibs} ${ARG_DEPENDS}
+diff --git a/cmake/modules/LLVM-Config.cmake b/cmake/modules/LLVM-Config.cmake
+index 22ac714..aa68b40 100644
+--- a/cmake/modules/LLVM-Config.cmake
++++ b/cmake/modules/LLVM-Config.cmake
+@@ -31,7 +31,23 @@ endfunction(is_llvm_target_library)
+
+
+ macro(llvm_config executable)
+- explicit_llvm_config(${executable} ${ARGN})
++ cmake_parse_arguments(ARG "USE_SHARED" "" "" ${ARGN})
++ set(link_components ${ARG_UNPARSED_ARGUMENTS})
++
++ if(USE_SHARED)
++ # If USE_SHARED is specified, then we link against libLLVM,
++ # but also against the component libraries below. This is
++ # done in case libLLVM does not contain all of the components
++ # the target requires.
++ #
++ # TODO strip LLVM_DYLIB_COMPONENTS out of link_components.
++ # To do this, we need special handling for "all", since that
++ # may imply linking to libraries that are not included in
++ # libLLVM.
++ target_link_libraries(${executable} LLVM)
++ endif()
++
++ explicit_llvm_config(${executable} ${link_components})
+ endmacro(llvm_config)
+
+
+diff --git a/cmake/modules/TableGen.cmake b/cmake/modules/TableGen.cmake
+index 85d720e..fcb445a 100644
+--- a/cmake/modules/TableGen.cmake
++++ b/cmake/modules/TableGen.cmake
+@@ -73,6 +73,10 @@ endfunction()
+ macro(add_tablegen target project)
+ set(${target}_OLD_LLVM_LINK_COMPONENTS ${LLVM_LINK_COMPONENTS})
+ set(LLVM_LINK_COMPONENTS ${LLVM_LINK_COMPONENTS} TableGen)
++
++ # FIXME: It leaks to user, callee of add_tablegen.
++ set(LLVM_ENABLE_OBJLIB ON)
++
+ add_llvm_utility(${target} ${ARGN})
+ set(LLVM_LINK_COMPONENTS ${${target}_OLD_LLVM_LINK_COMPONENTS})
+
+diff --git a/tools/llvm-go/llvm-go.go b/tools/llvm-go/llvm-go.go
+index c5c3fd2..ed79ca6 100644
+--- a/tools/llvm-go/llvm-go.go
++++ b/tools/llvm-go/llvm-go.go
+@@ -24,6 +24,11 @@ import (
+ "strings"
+ )
+
++const (
++ linkmodeComponentLibs = "component-libs"
++ linkmodeDylib = "dylib"
++)
++
+ type pkg struct {
+ llvmpath, pkgpath string
+ }
+@@ -66,11 +71,12 @@ var components = []string{
+ func llvmConfig(args ...string) string {
+ configpath := os.Getenv("LLVM_CONFIG")
+ if configpath == "" {
+- // strip llvm-go, add llvm-config
+- configpath = os.Args[0][:len(os.Args[0])-7] + "llvm-config"
++ bin, _ := filepath.Split(os.Args[0])
++ configpath = filepath.Join(bin, "llvm-config")
+ }
+
+ cmd := exec.Command(configpath, args...)
++ cmd.Stderr = os.Stderr
+ out, err := cmd.Output()
+ if err != nil {
+ panic(err.Error())
+@@ -78,11 +84,21 @@ func llvmConfig(args ...string) string {
+
+ outstr := string(out)
+ outstr = strings.TrimSuffix(outstr, "\n")
+- return strings.Replace(outstr, "\n", " ", -1)
++ outstr = strings.Replace(outstr, "\n", " ", -1)
++ return outstr
+ }
+
+-func llvmFlags() compilerFlags {
+- ldflags := llvmConfig(append([]string{"--ldflags", "--libs", "--system-libs"}, components...)...)
++func llvmFlags(linkmode string) compilerFlags {
++ ldflags := llvmConfig("--ldflags")
++ switch linkmode {
++ case linkmodeComponentLibs:
++ ldflags += " " + llvmConfig(append([]string{"--libs"}, components...)...)
++ case linkmodeDylib:
++ ldflags += " -lLLVM"
++ default:
++ panic("invalid linkmode: " + linkmode)
++ }
++ ldflags += " " + llvmConfig("--system-libs")
+ if runtime.GOOS != "darwin" {
+ // OS X doesn't like -rpath with cgo. See:
+ // https://code.google.com/p/go/issues/detail?id=7293
+@@ -117,8 +133,8 @@ func printComponents() {
+ fmt.Println(strings.Join(components, " "))
+ }
+
+-func printConfig() {
+- flags := llvmFlags()
++func printConfig(linkmode string) {
++ flags := llvmFlags(linkmode)
+
+ fmt.Printf(`// +build !byollvm
+
+@@ -137,7 +153,7 @@ type (run_build_sh int)
+ `, flags.cpp, flags.cxx, flags.ld)
+ }
+
+-func runGoWithLLVMEnv(args []string, cc, cxx, gocmd, llgo, cppflags, cxxflags, ldflags string) {
++func runGoWithLLVMEnv(args []string, cc, cxx, gocmd, llgo, cppflags, cxxflags, ldflags, linkmode string) {
+ args = addTag(args, "byollvm")
+
+ srcdir := llvmConfig("--src-root")
+@@ -166,7 +182,7 @@ func runGoWithLLVMEnv(args []string, cc, cxx, gocmd, llgo, cppflags, cxxflags, l
+ newgopathlist = append(newgopathlist, filepath.SplitList(os.Getenv("GOPATH"))...)
+ newgopath := strings.Join(newgopathlist, string(filepath.ListSeparator))
+
+- flags := llvmFlags()
++ flags := llvmFlags(linkmode)
+
+ newenv := []string{
+ "CC=" + cc,
+@@ -178,7 +194,7 @@ func runGoWithLLVMEnv(args []string, cc, cxx, gocmd, llgo, cppflags, cxxflags, l
+ "PATH=" + newpath,
+ }
+ if llgo != "" {
+- newenv = append(newenv, "GCCGO=" + llgo)
++ newenv = append(newenv, "GCCGO="+llgo)
+ }
+
+ for _, v := range os.Environ() {
+@@ -234,45 +250,44 @@ func main() {
+ ldflags := os.Getenv("CGO_LDFLAGS")
+ gocmd := "go"
+ llgo := ""
++ linkmode := linkmodeComponentLibs
++
++ flags := []struct {
++ name string
++ dest *string
++ }{
++ {"cc", &cc},
++ {"cxx", &cxx},
++ {"go", &gocmd},
++ {"llgo", &llgo},
++ {"cppflags", &cppflags},
++ {"ldflags", &ldflags},
++ {"linkmode", &linkmode},
++ }
+
+ args := os.Args[1:]
+- DONE: for {
+- switch {
+- case len(args) == 0:
++LOOP:
++ for {
++ if len(args) == 0 {
+ usage()
+- case strings.HasPrefix(args[0], "cc="):
+- cc = args[0][3:]
+- args = args[1:]
+- case strings.HasPrefix(args[0], "cxx="):
+- cxx = args[0][4:]
+- args = args[1:]
+- case strings.HasPrefix(args[0], "go="):
+- gocmd = args[0][3:]
+- args = args[1:]
+- case strings.HasPrefix(args[0], "llgo="):
+- llgo = args[0][5:]
+- args = args[1:]
+- case strings.HasPrefix(args[0], "cppflags="):
+- cppflags = args[0][9:]
+- args = args[1:]
+- case strings.HasPrefix(args[0], "cxxflags="):
+- cxxflags = args[0][9:]
+- args = args[1:]
+- case strings.HasPrefix(args[0], "ldflags="):
+- ldflags = args[0][8:]
+- args = args[1:]
+- default:
+- break DONE
+ }
++ for _, flag := range flags {
++ if strings.HasPrefix(args[0], flag.name+"=") {
++ *flag.dest = args[0][len(flag.name)+1:]
++ args = args[1:]
++ continue LOOP
++ }
++ }
++ break
+ }
+
+ switch args[0] {
+ case "build", "get", "install", "run", "test":
+- runGoWithLLVMEnv(args, cc, cxx, gocmd, llgo, cppflags, cxxflags, ldflags)
++ runGoWithLLVMEnv(args, cc, cxx, gocmd, llgo, cppflags, cxxflags, ldflags, linkmode)
+ case "print-components":
+ printComponents()
+ case "print-config":
+- printConfig()
++ printConfig(linkmode)
+ default:
+ usage()
+ }
+diff --git a/tools/llvm-shlib/CMakeLists.txt b/tools/llvm-shlib/CMakeLists.txt
+index 54d71d3..d9bd15f 100644
+--- a/tools/llvm-shlib/CMakeLists.txt
++++ b/tools/llvm-shlib/CMakeLists.txt
+@@ -2,42 +2,6 @@
+ # library is enabled by setting LLVM_BUILD_LLVM_DYLIB=yes on the CMake
+ # commandline. By default the shared library only exports the LLVM C API.
+
+-
+-# You can configure which libraries from LLVM you want to include in the shared
+-# library by setting LLVM_DYLIB_COMPONENTS to a semi-colon delimited list of
+-# LLVM components. All compoenent names handled by llvm-config are valid.
+-
+-if(NOT DEFINED LLVM_DYLIB_COMPONENTS)
+- set(LLVM_DYLIB_COMPONENTS
+- ${LLVM_TARGETS_TO_BUILD}
+- Analysis
+- BitReader
+- BitWriter
+- CodeGen
+- Core
+- DebugInfoDWARF
+- DebugInfoPDB
+- ExecutionEngine
+- IPA
+- IPO
+- IRReader
+- InstCombine
+- Instrumentation
+- Interpreter
+- Linker
+- MCDisassembler
+- MCJIT
+- ObjCARCOpts
+- Object
+- ScalarOpts
+- Support
+- Target
+- TransformUtils
+- Vectorize
+- native
+- )
+-endif()
+-
+ add_definitions( -DLLVM_VERSION_INFO=\"${PACKAGE_VERSION}\" )
+
+ set(SOURCES
+@@ -46,6 +10,29 @@ set(SOURCES
+
+ llvm_map_components_to_libnames(LIB_NAMES ${LLVM_DYLIB_COMPONENTS})
+
++if(LLVM_LINK_LLVM_DYLIB)
++ if(NOT LLVM_DYLIB_EXPORT_ALL)
++ message(FATAL_ERROR "LLVM_DYLIB_EXPORT_ALL must be ON when LLVM_LINK_LLVM_DYLIB is ON")
++ endif()
++
++ # libLLVM.so should not have any dependencies on any other LLVM
++ # shared libraries. When using the "all" pseudo-component,
++ # LLVM_AVAILABLE_LIBS is added to the dependencies, which may
++ # contain shared libraries (e.g. libLTO).
++ #
++ # Also exclude libLLVMTableGen for the following reasons:
++ # - it is only used by internal *-tblgen utilities;
++ # - it pollutes the global options space.
++ foreach(lib ${LIB_NAMES})
++ get_target_property(t ${lib} TYPE)
++ if("${lib}" STREQUAL "LLVMTableGen")
++ elseif("x${t}" STREQUAL "xSTATIC_LIBRARY")
++ list(APPEND FILTERED_LIB_NAMES ${lib})
++ endif()
++ endforeach()
++ set(LIB_NAMES ${FILTERED_LIB_NAMES})
++endif()
++
+ if(NOT DEFINED LLVM_DYLIB_EXPORTED_SYMBOL_FILE)
+
+ if( WIN32 AND NOT CYGWIN )
+@@ -95,7 +82,7 @@ else()
+ add_custom_target(libLLVMExports DEPENDS ${LLVM_EXPORTED_SYMBOL_FILE})
+ endif()
+
+-add_llvm_library(LLVM SHARED ${SOURCES})
++add_llvm_library(LLVM SHARED DISABLE_LLVM_LINK_LLVM_DYLIB ${SOURCES})
+
+ list(REMOVE_DUPLICATES LIB_NAMES)
+ if("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux") # FIXME: It should be "GNU ld for elf"
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