################################################################################ # # llvm # ################################################################################ # LLVM, Clang and lld should be version bumped together LLVM_VERSION = 9.0.1 LLVM_SITE = https://github.com/llvm/llvm-project/releases/download/llvmorg-$(LLVM_VERSION) LLVM_SOURCE = llvm-$(LLVM_VERSION).src.tar.xz LLVM_LICENSE = Apache-2.0 with exceptions LLVM_LICENSE_FILES = LICENSE.TXT LLVM_SUPPORTS_IN_SOURCE_BUILD = NO LLVM_INSTALL_STAGING = YES # LLVM >= 9.0 can use python3 to build. HOST_LLVM_DEPENDENCIES = host-python3 LLVM_DEPENDENCIES = host-llvm # LLVM >= 9.0 will soon require C++14 support, building llvm 8.x using a # toolchain using gcc < 5.1 gives an error but actually still works. Setting # this option makes it still build with gcc >= 4.8. # https://reviews.llvm.org/D57264 HOST_LLVM_CONF_OPTS += -DLLVM_TEMPORARILY_ALLOW_OLD_TOOLCHAIN=ON LLVM_CONF_OPTS += -DLLVM_TEMPORARILY_ALLOW_OLD_TOOLCHAIN=ON # Don't build clang libcxx libcxxabi lldb compiler-rt lld polly as llvm subprojects # This flag assumes that projects are checked out side-by-side and not nested HOST_LLVM_CONF_OPTS += -DLLVM_ENABLE_PROJECTS="" LLVM_CONF_OPTS += -DLLVM_ENABLE_PROJECTS="" HOST_LLVM_CONF_OPTS += -DLLVM_CCACHE_BUILD=$(if $(BR2_CCACHE),ON,OFF) LLVM_CONF_OPTS += -DLLVM_CCACHE_BUILD=$(if $(BR2_CCACHE),ON,OFF) # This option prevents AddLLVM.cmake from adding $ORIGIN/../lib to # binaries. Otherwise, llvm-config (host variant installed in STAGING) # will try to use target's libc. HOST_LLVM_CONF_OPTS += -DCMAKE_INSTALL_RPATH="$(HOST_DIR)/lib" # Get target architecture LLVM_TARGET_ARCH = $(call qstrip,$(BR2_PACKAGE_LLVM_TARGET_ARCH)) # Build backend for target architecture. This include backends like AMDGPU. LLVM_TARGETS_TO_BUILD = $(LLVM_TARGET_ARCH) HOST_LLVM_CONF_OPTS += -DLLVM_TARGETS_TO_BUILD="$(subst $(space),;,$(LLVM_TARGETS_TO_BUILD))" LLVM_CONF_OPTS += -DLLVM_TARGETS_TO_BUILD="$(subst $(space),;,$(LLVM_TARGETS_TO_BUILD))" # LLVM target to use for native code generation. This is required for JIT generation. # It must be set to LLVM_TARGET_ARCH for host and target, otherwise we get # "No available targets are compatible for this triple" with llvmpipe when host # and target architectures are different. HOST_LLVM_CONF_OPTS += -DLLVM_TARGET_ARCH=$(LLVM_TARGET_ARCH) LLVM_CONF_OPTS += -DLLVM_TARGET_ARCH=$(LLVM_TARGET_ARCH) # Build AMDGPU backend # We need to build AMDGPU backend for both host and target because # llvm-config --targets built (host variant installed in STAGING) will # output only $(LLVM_TARGET_ARCH) if not, and mesa3d won't build as # it thinks AMDGPU backend is not installed on the target. ifeq ($(BR2_PACKAGE_LLVM_AMDGPU),y) LLVM_TARGETS_TO_BUILD += AMDGPU endif # Use native llvm-tblgen from host-llvm (needed for cross-compilation) LLVM_CONF_OPTS += -DLLVM_TABLEGEN=$(HOST_DIR)/bin/llvm-tblgen # Use native llvm-config from host-llvm (needed for cross-compilation) LLVM_CONF_OPTS += -DLLVM_CONFIG_PATH=$(HOST_DIR)/bin/llvm-config # BUILD_SHARED_LIBS has a misleading name. It is in fact an option for # LLVM developers to build all LLVM libraries as separate shared libraries. # For normal use of LLVM, it is recommended to build a single # shared library, which is achieved by BUILD_SHARED_LIBS=OFF and # LLVM_BUILD_LLVM_DYLIB=ON. HOST_LLVM_CONF_OPTS += -DBUILD_SHARED_LIBS=OFF LLVM_CONF_OPTS += -DBUILD_SHARED_LIBS=OFF # Generate libLLVM.so. This library contains a default set of LLVM components # that can be overwritten with "LLVM_DYLIB_COMPONENTS". The default contains # most of LLVM and is defined in "tools/llvm-shlib/CMakelists.txt". HOST_LLVM_CONF_OPTS += -DLLVM_BUILD_LLVM_DYLIB=ON LLVM_CONF_OPTS += -DLLVM_BUILD_LLVM_DYLIB=ON # LLVM_BUILD_LLVM_DYLIB to ON. We need to enable this option for the # host as llvm-config for the host will be used in STAGING_DIR by packages # linking against libLLVM and if this option is not selected, then llvm-config # does not work properly. For example, it assumes that LLVM is built statically # and cannot find libLLVM.so. HOST_LLVM_CONF_OPTS += -DLLVM_LINK_LLVM_DYLIB=ON LLVM_CONF_OPTS += -DLLVM_LINK_LLVM_DYLIB=ON LLVM_CONF_OPTS += -DCMAKE_CROSSCOMPILING=1 # Disabled for the host since no host-libedit. # Fall back to "Simple fgets-based implementation" of llvm line editor. HOST_LLVM_CONF_OPTS += -DLLVM_ENABLE_LIBEDIT=OFF LLVM_CONF_OPTS += -DLLVM_ENABLE_LIBEDIT=OFF # We want to install llvm libraries and modules. HOST_LLVM_CONF_OPTS += -DLLVM_INSTALL_TOOLCHAIN_ONLY=OFF LLVM_CONF_OPTS += -DLLVM_INSTALL_TOOLCHAIN_ONLY=OFF # We build from a release archive without vcs files. HOST_LLVM_CONF_OPTS += -DLLVM_APPEND_VC_REV=OFF LLVM_CONF_OPTS += -DLLVM_APPEND_VC_REV=OFF # No backtrace package in Buildroot. # https://documentation.backtrace.io HOST_LLVM_CONF_OPTS += -DLLVM_ENABLE_BACKTRACES=OFF LLVM_CONF_OPTS += -DLLVM_ENABLE_BACKTRACES=OFF # Enable signal handlers overrides support. HOST_LLVM_CONF_OPTS += -DENABLE_CRASH_OVERRIDES=ON LLVM_CONF_OPTS += -DENABLE_CRASH_OVERRIDES=ON # Disable ffi for now. HOST_LLVM_CONF_OPTS += -DLLVM_ENABLE_FFI=OFF LLVM_CONF_OPTS += -DLLVM_ENABLE_FFI=OFF # Disable terminfo database (needs ncurses libtinfo.so) HOST_LLVM_CONF_OPTS += -DLLVM_ENABLE_TERMINFO=OFF LLVM_CONF_OPTS += -DLLVM_ENABLE_TERMINFO=OFF # Enable thread support HOST_LLVM_CONF_OPTS += -DLLVM_ENABLE_THREADS=ON LLVM_CONF_OPTS += -DLLVM_ENABLE_THREADS=ON # Enable optional host-zlib support for LLVM Machine Code (llvm-mc) to add # compression/uncompression capabilities. # Not needed on the target. HOST_LLVM_CONF_OPTS += -DLLVM_ENABLE_ZLIB=ON HOST_LLVM_DEPENDENCIES += host-zlib LLVM_CONF_OPTS += -DLLVM_ENABLE_ZLIB=OFF # libxml2 can be disabled as it is used for LLVM Windows builds where COFF # files include manifest info HOST_LLVM_CONF_OPTS += -DLLVM_ENABLE_LIBXML2=OFF LLVM_CONF_OPTS += -DLLVM_ENABLE_LIBXML2=OFF # Disable optional Z3Prover since there is no such package in Buildroot. HOST_LLVM_CONF_OPTS += -DLLVM_ENABLE_Z3_SOLVER=OFF LLVM_CONF_OPTS += -DLLVM_ENABLE_Z3_SOLVER=OFF # We don't use llvm for static only build, so enable PIC HOST_LLVM_CONF_OPTS += -DLLVM_ENABLE_PIC=ON LLVM_CONF_OPTS += -DLLVM_ENABLE_PIC=ON # Default is Debug build, which requires considerably more disk space and # build time. Release build is selected for host and target because the linker # can run out of memory in Debug mode. HOST_LLVM_CONF_OPTS += -DCMAKE_BUILD_TYPE=Release LLVM_CONF_OPTS += -DCMAKE_BUILD_TYPE=Release # Disable C++1y (ISO C++ 2014 standard) # Disable C++1z (ISO C++ 2017 standard) # Compile llvm with the C++11 (ISO C++ 2011 standard) which is the fallback. HOST_LLVM_CONF_OPTS += \ -DLLVM_ENABLE_CXX1Y=OFF \ -DLLVM_ENABLE_CXX1Z=OFF LLVM_CONF_OPTS += \ -DLLVM_ENABLE_CXX1Y=OFF \ -DLLVM_ENABLE_CXX1Z=OFF # Disabled, requires sys/ndir.h header # Disable debug in module HOST_LLVM_CONF_OPTS += \ -DLLVM_ENABLE_MODULES=OFF \ -DLLVM_ENABLE_MODULE_DEBUGGING=OFF LLVM_CONF_OPTS += \ -DLLVM_ENABLE_MODULES=OFF \ -DLLVM_ENABLE_MODULE_DEBUGGING=OFF # Don't change the standard library to libc++. HOST_LLVM_CONF_OPTS += -DLLVM_ENABLE_LIBCXX=OFF LLVM_CONF_OPTS += -DLLVM_ENABLE_LIBCXX=OFF # Don't use lld as a linker. HOST_LLVM_CONF_OPTS += -DLLVM_ENABLE_LLD=OFF LLVM_CONF_OPTS += -DLLVM_ENABLE_LLD=OFF # Generate code for the target. LLVM selects a target by looking at the # toolchain tuple HOST_LLVM_CONF_OPTS += -DLLVM_DEFAULT_TARGET_TRIPLE=$(GNU_TARGET_NAME) LLVM_CONF_OPTS += -DLLVM_DEFAULT_TARGET_TRIPLE=$(GNU_TARGET_NAME) # LLVM_HOST_TRIPLE has a misleading name, it is in fact the triple of the # system where llvm is going to run on. We need to specify triple for native # code generation on the target. # This solves "No available targets are compatible for this triple" with llvmpipe LLVM_CONF_OPTS += -DLLVM_HOST_TRIPLE=$(GNU_TARGET_NAME) # Building the Go and OCaml bindings is yet unsupported. HOST_LLVM_CONF_OPTS += \ -DLLVM_ENABLE_BINDINGS=OFF # Builds a release host tablegen that gets used during the LLVM build. HOST_LLVM_CONF_OPTS += -DLLVM_OPTIMIZED_TABLEGEN=ON # Keep llvm utility binaries for the host. llvm-tblgen is built anyway as # CMakeLists.txt has add_subdirectory(utils/TableGen) unconditionally. HOST_LLVM_CONF_OPTS += \ -DLLVM_BUILD_UTILS=ON \ -DLLVM_INCLUDE_UTILS=ON \ -DLLVM_INSTALL_UTILS=ON LLVM_CONF_OPTS += \ -DLLVM_BUILD_UTILS=OFF \ -DLLVM_INCLUDE_UTILS=OFF \ -DLLVM_INSTALL_UTILS=OFF HOST_LLVM_CONF_OPTS += \ -DLLVM_INCLUDE_TOOLS=ON \ -DLLVM_BUILD_TOOLS=ON # We need to activate LLVM_INCLUDE_TOOLS, otherwise it does not generate # libLLVM.so LLVM_CONF_OPTS += \ -DLLVM_INCLUDE_TOOLS=ON \ -DLLVM_BUILD_TOOLS=OFF ifeq ($(BR2_PACKAGE_LLVM_RTTI),y) HOST_LLVM_CONF_OPTS += -DLLVM_ENABLE_RTTI=ON LLVM_CONF_OPTS += -DLLVM_ENABLE_RTTI=ON else HOST_LLVM_CONF_OPTS += -DLLVM_ENABLE_RTTI=OFF LLVM_CONF_OPTS += -DLLVM_ENABLE_RTTI=OFF endif # Compiler-rt not in the source tree. # llvm runtime libraries are not in the source tree. # Polly is not in the source tree. HOST_LLVM_CONF_OPTS += \ -DLLVM_BUILD_EXTERNAL_COMPILER_RT=OFF \ -DLLVM_BUILD_RUNTIME=OFF \ -DLLVM_INCLUDE_RUNTIMES=OFF \ -DLLVM_POLLY_BUILD=OFF LLVM_CONF_OPTS += \ -DLLVM_BUILD_EXTERNAL_COMPILER_RT=OFF \ -DLLVM_BUILD_RUNTIME=OFF \ -DLLVM_INCLUDE_RUNTIMES=OFF \ -DLLVM_POLLY_BUILD=OFF HOST_LLVM_CONF_OPTS += \ -DLLVM_ENABLE_WARNINGS=ON \ -DLLVM_ENABLE_PEDANTIC=ON \ -DLLVM_ENABLE_WERROR=OFF LLVM_CONF_OPTS += \ -DLLVM_ENABLE_WARNINGS=ON \ -DLLVM_ENABLE_PEDANTIC=ON \ -DLLVM_ENABLE_WERROR=OFF HOST_LLVM_CONF_OPTS += \ -DLLVM_BUILD_EXAMPLES=OFF \ -DLLVM_BUILD_DOCS=OFF \ -DLLVM_BUILD_TESTS=OFF \ -DLLVM_ENABLE_DOXYGEN=OFF \ -DLLVM_ENABLE_OCAMLDOC=OFF \ -DLLVM_ENABLE_SPHINX=OFF \ -DLLVM_INCLUDE_EXAMPLES=OFF \ -DLLVM_INCLUDE_DOCS=OFF \ -DLLVM_INCLUDE_GO_TESTS=OFF \ -DLLVM_INCLUDE_TESTS=OFF LLVM_CONF_OPTS += \ -DLLVM_BUILD_EXAMPLES=OFF \ -DLLVM_BUILD_DOCS=OFF \ -DLLVM_BUILD_TESTS=OFF \ -DLLVM_ENABLE_DOXYGEN=OFF \ -DLLVM_ENABLE_OCAMLDOC=OFF \ -DLLVM_ENABLE_SPHINX=OFF \ -DLLVM_INCLUDE_EXAMPLES=OFF \ -DLLVM_INCLUDE_DOCS=OFF \ -DLLVM_INCLUDE_GO_TESTS=OFF \ -DLLVM_INCLUDE_TESTS=OFF # Copy llvm-config (host variant) to STAGING_DIR # llvm-config (host variant) returns include and lib directories # for the host if it's installed in host/bin: # output/host/bin/llvm-config --includedir # output/host/include # When installed in STAGING_DIR, llvm-config returns include and lib # directories from STAGING_DIR. # output/staging/usr/bin/llvm-config --includedir # output/staging/usr/include define HOST_LLVM_COPY_LLVM_CONFIG_TO_STAGING_DIR $(INSTALL) -D -m 0755 $(HOST_DIR)/bin/llvm-config \ $(STAGING_DIR)/usr/bin/llvm-config endef HOST_LLVM_POST_INSTALL_HOOKS = HOST_LLVM_COPY_LLVM_CONFIG_TO_STAGING_DIR # By default llvm-tblgen is built and installed on the target but it is # not necessary. Also erase LLVMHello.so from /usr/lib define LLVM_DELETE_LLVM_TBLGEN_TARGET rm -f $(TARGET_DIR)/usr/bin/llvm-tblgen $(TARGET_DIR)/usr/lib/LLVMHello.so endef LLVM_POST_INSTALL_TARGET_HOOKS = LLVM_DELETE_LLVM_TBLGEN_TARGET $(eval $(cmake-package)) $(eval $(host-cmake-package))