require 'package' class Llvm17_build < Package description 'The LLVM Project is a collection of modular and reusable compiler and toolchain technologies. The optional packages clang, lld, lldb, polly, compiler-rt, libcxx, and libcxxabi are included.' homepage 'https://llvm.org/' version '17.0.6' license 'Apache-2.0-with-LLVM-exceptions, UoI-NCSA, BSD, public-domain, rc, Apache-2.0 and MIT' compatibility 'all' source_url 'https://github.com/llvm/llvm-project.git' git_hashtag "llvmorg-#{version}" binary_compression 'tar.zst' binary_sha256({ aarch64: '2ca2cbd1f3c6c9dd061cbc395cbade365efcb0ac67baaa01e3caa6fb1fd82748', armv7l: '2ca2cbd1f3c6c9dd061cbc395cbade365efcb0ac67baaa01e3caa6fb1fd82748', i686: 'ac38487519bf7b3646e4da173cab22d1a8a3966f66a2a4ab20ab00230a1ddd2c', x86_64: 'b7e8797a0d0b7003c6a14749b83e339a92d58aaa66bb120e7b211d9bb03dfa59' }) depends_on 'ccache' => :build depends_on 'elfutils' # R depends_on 'gcc_lib' # R depends_on 'glibc' # R depends_on 'libedit' # R depends_on 'libffi' # R depends_on 'libxml2' # R depends_on 'llvm18_dev' => :build depends_on 'ncurses' # R depends_on 'ocaml' => :build depends_on 'py3_pygments' => :build depends_on 'py3_pyyaml' => :build depends_on 'xzutils' # R depends_on 'zlib' # R depends_on 'zstd' # R no_env_options conflicts_ok case ARCH when 'aarch64', 'armv7l' # LLVM_TARGETS_TO_BUILD = 'ARM;AArch64;AMDGPU' # LLVM_TARGETS_TO_BUILD = 'all'.freeze @ARCH_C_FLAGS = "-fPIC -mfloat-abi=hard -mthumb -mfpu=vfpv3-d16 -march=armv7-a+fp -ccc-gcc-name #{CREW_TARGET}" @ARCH_CXX_FLAGS = "-fPIC -mfloat-abi=hard -mthumb -mfpu=vfpv3-d16 -march=armv7-a+fp -ccc-gcc-name #{CREW_TARGET}" @ARCH_LDFLAGS = '' @ARCH_LTO_LDFLAGS = "#{@ARCH_LDFLAGS} -flto=thin" LLVM_PROJECTS_TO_BUILD = 'clang;clang-tools-extra;compiler-rt;libclc;lld;lldb;polly;pstl'.freeze when 'i686' # LLVM_TARGETS_TO_BUILD = 'X86'.freeze # Because ld.lld: error: undefinler-rt;libc;libcxx;libcxxabi;libunwind;openmped symbol: __atomic_store # Polly demands fPIC @ARCH_C_FLAGS = '-latomic -fPIC' @ARCH_CXX_FLAGS = '-latomic -fPIC' # Because getting this error: # ld.lld: error: relocation R_386_PC32 cannot be used against symbol isl_map_fix_si; recompile with -fPIC # So as per https://github.com/openssl/openssl/issues/11305#issuecomment-602003528 @ARCH_LDFLAGS = '-Wl,-znotext' @ARCH_LTO_LDFLAGS = "#{@ARCH_LDFLAGS} -flto=thin" # lldb fails on i686 due to requirement for a kernel > 4.1. # See https://github.com/llvm/llvm-project/issues/57594 LLVM_PROJECTS_TO_BUILD = 'clang;clang-tools-extra;compiler-rt;libclc;lld;lldb;polly;pstl'.freeze when 'x86_64' # LLVM_TARGETS_TO_BUILD = 'X86;AMDGPU' # LLVM_TARGETS_TO_BUILD = 'all'.freeze @ARCH_C_FLAGS = '-fPIC' @ARCH_CXX_FLAGS = '-fPIC' @ARCH_LDFLAGS = '' @ARCH_LTO_LDFLAGS = "#{@ARCH_LDFLAGS} -flto=thin" LLVM_PROJECTS_TO_BUILD = 'bolt;clang;clang-tools-extra;compiler-rt;libclc;lld;lldb;polly;pstl'.freeze end @ARCH_C_LTO_FLAGS = "#{@ARCH_C_FLAGS} -flto=thin" @ARCH_CXX_LTO_FLAGS = "#{@ARCH_CXX_FLAGS} -flto=thin" # flang isn't supported on 32-bit architectures. # openmp is its own package. # LLVM_PROJECTS_TO_BUILD = 'clang;clang-tools-extra;libcxx;libcxxabi;libunwind;lldb;compiler-rt;lld;polly;openmp'.freeze # Using Targets 'all' for non-i686 because otherwise mesa complains. # This may be patched upstream as per # https://reviews.llvm.org/rG1de56d6d13c083c996dfd44a32041dacae037d66 LLVM_TARGETS_TO_BUILD = 'all'.freeze def self.patch return unless ARCH == 'i686' # Patch for LLVM 15 because of https://github.com/llvm/llvm-project/issues/58851 File.write 'llvm_i686.patch', <<~LLVM_PATCH_EOF --- a/clang/lib/Driver/ToolChains/Linux.cpp 2022-11-30 15:50:36.777754608 -0500 +++ b/clang/lib/Driver/ToolChains/Linux.cpp 2022-11-30 15:51:57.004417484 -0500 @@ -314,6 +314,7 @@ Linux::Linux(const Driver &D, const llvm D.getVFS().exists(D.Dir + "/../lib/libc++.so")) addPathIfExists(D, D.Dir + "/../lib", Paths); + addPathIfExists(D, concat(SysRoot, "#{CREW_LIB_PREFIX}"), Paths); addPathIfExists(D, concat(SysRoot, "/lib"), Paths); addPathIfExists(D, concat(SysRoot, "/usr/lib"), Paths); } LLVM_PATCH_EOF system 'patch -Np1 -i llvm_i686.patch' end def self.build ############################################################ puts "Building LLVM Targets: #{LLVM_TARGETS_TO_BUILD}".lightgreen puts "Building LLVM Projects: #{LLVM_PROJECTS_TO_BUILD}".lightgreen ############################################################ unless Dir.exist?('builddir') FileUtils.mkdir_p 'builddir' File.write 'builddir/clc', <<~CLC_EOF #!/bin/bash machine=$(gcc -dumpmachine) version=$(gcc -dumpversion) gnuc_lib=#{CREW_LIB_PREFIX}/gcc/${machine}/${version} clang -B ${gnuc_lib} -L ${gnuc_lib} "$@" CLC_EOF File.write 'builddir/clc++', <<~CLCPLUSPLUS_EOF #!/bin/bash machine=$(gcc -dumpmachine) version=$(gcc -dumpversion) cxx_sys=#{CREW_PREFIX}/include/c++/${version} cxx_inc=#{CREW_PREFIX}/include/c++/${version}/${machine} gnuc_lib=#{CREW_LIB_PREFIX}/gcc/${machine}/${version} clang++ -fPIC -rtlib=compiler-rt -stdlib=libc++ -cxx-isystem ${cxx_sys} -I ${cxx_inc} -B ${gnuc_lib} -L ${gnuc_lib} "$@" CLCPLUSPLUS_EOF system "cmake -B builddir -G Ninja llvm \ -DCMAKE_ASM_COMPILER_TARGET=#{CREW_TARGET} \ -DCMAKE_BUILD_TYPE=Release \ -DCMAKE_C_COMPILER=$(which clang) \ -DCMAKE_C_COMPILER_LAUNCHER=ccache \ -DCMAKE_C_COMPILER_TARGET=#{CREW_TARGET} \ -DCMAKE_C_FLAGS='#{@ARCH_C_LTO_FLAGS}' \ -DCMAKE_CXX_COMPILER=$(which clang++) \ -DCMAKE_CXX_COMPILER_LAUNCHER=ccache \ -DCMAKE_CXX_FLAGS='#{@ARCH_CXX_LTO_FLAGS}' \ -DCMAKE_EXE_LINKER_FLAGS='#{@ARCH_LTO_LDFLAGS}' \ -DCMAKE_INSTALL_PREFIX=#{CREW_PREFIX} \ -DCMAKE_LINKER=$(which ld.lld) \ -D_CMAKE_TOOLCHAIN_PREFIX=llvm- \ -DCOMPILER_RT_BUILD_BUILTINS=ON \ -DCOMPILER_RT_BUILD_LIBFUZZER=OFF \ -DCOMPILER_RT_BUILD_SANITIZERS=OFF \ -DCOMPILER_RT_DEFAULT_TARGET_ONLY=ON \ -DLIBOMP_ENABLE_SHARED=ON \ -DLIBOMP_INSTALL_ALIASES=OFF \ -DLIBUNWIND_C_FLAGS='-fno-exceptions -funwind-tables' \ -DLIBUNWIND_CXX_FLAGS='-fno-exceptions -funwind-tables' \ -DLIBUNWIND_SUPPORTS_FNO_EXCEPTIONS_FLAG=ON \ -DLIBUNWIND_SUPPORTS_FUNWIND_TABLES_FLAG=ON \ -DLLVM_BINUTILS_INCDIR='#{CREW_PREFIX}/include' \ -DLLVM_BUILD_LLVM_DYLIB=ON \ -DLLVM_CCACHE_BUILD=ON \ -DLLVM_DEFAULT_TARGET_TRIPLE=#{CREW_TARGET} \ -DLLVM_ENABLE_FFI=ON \ -DLLVM_ENABLE_LTO=Thin \ -DLLVM_ENABLE_PROJECTS='#{LLVM_PROJECTS_TO_BUILD}' \ -DLLVM_ENABLE_RTTI=ON \ -DLLVM_ENABLE_RUNTIME=all \ -DLLVM_ENABLE_TERMINFO=ON \ -DLLVM_INCLUDE_BENCHMARKS=OFF \ -DLLVM_INSTALL_UTILS=ON \ -DLLVM_LIBDIR_SUFFIX='#{CREW_LIB_SUFFIX}' \ -DLLVM_LINK_LLVM_DYLIB=ON \ -DLLVM_OPTIMIZED_TABLEGEN=ON \ -DLLVM_TARGETS_TO_BUILD='#{LLVM_TARGETS_TO_BUILD}' \ -DOPENMP_ENABLE_LIBOMPTARGET=OFF \ -DPYTHON_EXECUTABLE=$(which python3) \ -Wno-dev" end @counter = 1 @counter_max = 20 loop do break if Kernel.system "#{CREW_NINJA} -C builddir -j #{CREW_NPROC}" puts "Make iteration #{@counter} of #{@counter_max}...".orange @counter += 1 break if @counter > @counter_max end end def self.install system "DESTDIR=#{CREW_DEST_DIR} #{CREW_NINJA} -C builddir install" Dir.chdir('builddir') do FileUtils.install 'clc', "#{CREW_DEST_PREFIX}/bin/clc", mode: 0o755 FileUtils.install 'clc++', "#{CREW_DEST_PREFIX}/bin/clc++", mode: 0o755 FileUtils.mkdir_p "#{CREW_DEST_LIB_PREFIX}/bfd-plugins" Dir.chdir("#{CREW_DEST_LIB_PREFIX}/bfd-plugins") do FileUtils.ln_s "../../lib#{CREW_LIB_SUFFIX}/LLVMgold.so", 'LLVMgold.so' end # libunwind.* conflicts with libunwind package FileUtils.rm Dir.glob("#{CREW_DEST_LIB_PREFIX}/libunwind.*") end end # preserve for check, skip check for current version def self.check # Dir.chdir('builddir') do # system 'samu check-llvm || true' # system 'samu check-clang || true' # system 'samu check-lld || true' # end end def self.postinstall puts puts "To compile programs, use 'clang' or 'clang++'.".lightblue puts puts 'To avoid the repeated use of switch options,'.lightblue puts "try the wrapper scripts 'clc' or 'clc++'.".lightblue puts puts 'For more information, see https://llvm.org/pubs/2008-10-04-ACAT-LLVM-Intro.pdf'.lightblue puts end end