322 lines
12 KiB
Makefile
322 lines
12 KiB
Makefile
################################################################################
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#
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# llvm
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#
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################################################################################
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LLVM_VERSION = $(LLVM_PROJECT_VERSION)
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LLVM_SITE = $(LLVM_PROJECT_SITE)
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LLVM_SOURCE = llvm-$(LLVM_VERSION).src.tar.xz
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LLVM_LICENSE = Apache-2.0 with exceptions
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LLVM_LICENSE_FILES = LICENSE.TXT
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LLVM_CPE_ID_VENDOR = llvm
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LLVM_SUPPORTS_IN_SOURCE_BUILD = NO
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LLVM_INSTALL_STAGING = YES
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HOST_LLVM_DEPENDENCIES = host-python3 host-llvm-cmake
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LLVM_DEPENDENCIES = host-llvm
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# Path to cmake modules from host-llvm-cmake
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HOST_LLVM_CONF_OPTS += -DCMAKE_MODULE_PATH=$(HOST_DIR)/lib/cmake/llvm
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LLVM_CONF_OPTS += -DCMAKE_MODULE_PATH=$(HOST_DIR)/lib/cmake/llvm
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# Assembly files for x64 in lib/Support/BLAKE3 need to be compiled
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# by a C compiler
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HOST_LLVM_CONF_OPTS += -DCMAKE_ASM_COMPILER="$(CMAKE_HOST_C_COMPILER)"
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# Don't build clang libcxx libcxxabi lldb compiler-rt lld polly as llvm subprojects
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# This flag assumes that projects are checked out side-by-side and not nested
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HOST_LLVM_CONF_OPTS += -DLLVM_ENABLE_PROJECTS=""
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LLVM_CONF_OPTS += -DLLVM_ENABLE_PROJECTS=""
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HOST_LLVM_CONF_OPTS += -DLLVM_CCACHE_BUILD=$(if $(BR2_CCACHE),ON,OFF)
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LLVM_CONF_OPTS += -DLLVM_CCACHE_BUILD=$(if $(BR2_CCACHE),ON,OFF)
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# This option prevents AddLLVM.cmake from adding $ORIGIN/../lib to
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# binaries. Otherwise, llvm-config (host variant installed in STAGING)
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# will try to use target's libc.
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HOST_LLVM_CONF_OPTS += -DCMAKE_INSTALL_RPATH="$(HOST_DIR)/lib"
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# Get target architecture
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LLVM_TARGET_ARCH = $(call qstrip,$(BR2_PACKAGE_LLVM_TARGET_ARCH))
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# Build backend for target architecture. This include backends like
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# AMDGPU. We need to special case RISCV.
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ifneq ($(filter riscv%,$(LLVM_TARGET_ARCH)),)
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LLVM_TARGETS_TO_BUILD = RISCV
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else
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LLVM_TARGETS_TO_BUILD = $(LLVM_TARGET_ARCH)
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endif
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HOST_LLVM_CONF_OPTS += -DLLVM_TARGETS_TO_BUILD="$(subst $(space),;,$(LLVM_TARGETS_TO_BUILD))"
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LLVM_CONF_OPTS += -DLLVM_TARGETS_TO_BUILD="$(subst $(space),;,$(LLVM_TARGETS_TO_BUILD))"
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# LLVM target to use for native code generation. This is required for JIT generation.
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# It must be set to LLVM_TARGET_ARCH for host and target, otherwise we get
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# "No available targets are compatible for this triple" with llvmpipe when host
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# and target architectures are different.
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HOST_LLVM_CONF_OPTS += -DLLVM_TARGET_ARCH=$(LLVM_TARGET_ARCH)
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LLVM_CONF_OPTS += -DLLVM_TARGET_ARCH=$(LLVM_TARGET_ARCH)
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# Build AMDGPU backend
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# We need to build AMDGPU backend for both host and target because
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# llvm-config --targets built (host variant installed in STAGING) will
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# output only $(LLVM_TARGET_ARCH) if not, and mesa3d won't build as
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# it thinks AMDGPU backend is not installed on the target.
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ifeq ($(BR2_PACKAGE_LLVM_AMDGPU),y)
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LLVM_TARGETS_TO_BUILD += AMDGPU
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endif
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# Build BPF backend
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ifeq ($(BR2_PACKAGE_LLVM_BPF),y)
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LLVM_TARGETS_TO_BUILD += BPF
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endif
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# Use native llvm-tblgen from host-llvm (needed for cross-compilation)
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LLVM_CONF_OPTS += -DLLVM_TABLEGEN=$(HOST_DIR)/bin/llvm-tblgen
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# Use native llvm-config from host-llvm (needed for cross-compilation)
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LLVM_CONF_OPTS += -DLLVM_CONFIG_PATH=$(HOST_DIR)/bin/llvm-config
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# BUILD_SHARED_LIBS has a misleading name. It is in fact an option for
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# LLVM developers to build all LLVM libraries as separate shared libraries.
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# For normal use of LLVM, it is recommended to build a single
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# shared library, which is achieved by BUILD_SHARED_LIBS=OFF and
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# LLVM_BUILD_LLVM_DYLIB=ON.
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HOST_LLVM_CONF_OPTS += -DBUILD_SHARED_LIBS=OFF
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LLVM_CONF_OPTS += -DBUILD_SHARED_LIBS=OFF
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# Generate libLLVM.so. This library contains a default set of LLVM components
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# that can be overwritten with "LLVM_DYLIB_COMPONENTS". The default contains
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# most of LLVM and is defined in "tools/llvm-shlib/CMakelists.txt".
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HOST_LLVM_CONF_OPTS += -DLLVM_BUILD_LLVM_DYLIB=ON
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LLVM_CONF_OPTS += -DLLVM_BUILD_LLVM_DYLIB=ON
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# LLVM_BUILD_LLVM_DYLIB to ON. We need to enable this option for the
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# host as llvm-config for the host will be used in STAGING_DIR by packages
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# linking against libLLVM and if this option is not selected, then llvm-config
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# does not work properly. For example, it assumes that LLVM is built statically
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# and cannot find libLLVM.so.
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HOST_LLVM_CONF_OPTS += -DLLVM_LINK_LLVM_DYLIB=ON
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LLVM_CONF_OPTS += -DLLVM_LINK_LLVM_DYLIB=ON
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LLVM_CONF_OPTS += -DCMAKE_CROSSCOMPILING=1
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# Disabled for the host since no host-libedit.
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# Fall back to "Simple fgets-based implementation" of llvm line editor.
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HOST_LLVM_CONF_OPTS += -DLLVM_ENABLE_LIBEDIT=OFF
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LLVM_CONF_OPTS += -DLLVM_ENABLE_LIBEDIT=OFF
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# We want to install llvm libraries and modules.
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HOST_LLVM_CONF_OPTS += -DLLVM_INSTALL_TOOLCHAIN_ONLY=OFF
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LLVM_CONF_OPTS += -DLLVM_INSTALL_TOOLCHAIN_ONLY=OFF
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# We build from a release archive without vcs files.
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HOST_LLVM_CONF_OPTS += -DLLVM_APPEND_VC_REV=OFF
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LLVM_CONF_OPTS += -DLLVM_APPEND_VC_REV=OFF
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# No backtrace package in Buildroot.
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# https://documentation.backtrace.io
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HOST_LLVM_CONF_OPTS += -DLLVM_ENABLE_BACKTRACES=OFF
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LLVM_CONF_OPTS += -DLLVM_ENABLE_BACKTRACES=OFF
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# Enable signal handlers overrides support.
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HOST_LLVM_CONF_OPTS += -DENABLE_CRASH_OVERRIDES=ON
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LLVM_CONF_OPTS += -DENABLE_CRASH_OVERRIDES=ON
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# Disable ffi for now.
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HOST_LLVM_CONF_OPTS += -DLLVM_ENABLE_FFI=OFF
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LLVM_CONF_OPTS += -DLLVM_ENABLE_FFI=OFF
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# Disable terminfo database (needs ncurses libtinfo.so)
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HOST_LLVM_CONF_OPTS += -DLLVM_ENABLE_TERMINFO=OFF
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LLVM_CONF_OPTS += -DLLVM_ENABLE_TERMINFO=OFF
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# Enable thread support
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HOST_LLVM_CONF_OPTS += -DLLVM_ENABLE_THREADS=ON
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LLVM_CONF_OPTS += -DLLVM_ENABLE_THREADS=ON
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# Enable optional host-zlib support for LLVM Machine Code (llvm-mc) to add
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# compression/uncompression capabilities.
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# Not needed on the target.
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HOST_LLVM_CONF_OPTS += -DLLVM_ENABLE_ZLIB=ON
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HOST_LLVM_DEPENDENCIES += host-zlib
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LLVM_CONF_OPTS += -DLLVM_ENABLE_ZLIB=OFF
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# libxml2 can be disabled as it is used for LLVM Windows builds where COFF
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# files include manifest info
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HOST_LLVM_CONF_OPTS += -DLLVM_ENABLE_LIBXML2=OFF
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LLVM_CONF_OPTS += -DLLVM_ENABLE_LIBXML2=OFF
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# Disable optional Z3Prover since there is no such package in Buildroot.
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HOST_LLVM_CONF_OPTS += -DLLVM_ENABLE_Z3_SOLVER=OFF
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LLVM_CONF_OPTS += -DLLVM_ENABLE_Z3_SOLVER=OFF
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# We don't use llvm for static only build, so enable PIC
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HOST_LLVM_CONF_OPTS += -DLLVM_ENABLE_PIC=ON
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LLVM_CONF_OPTS += -DLLVM_ENABLE_PIC=ON
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# Default is Debug build, which requires considerably more disk space and
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# build time. Release build is selected for host and target because the linker
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# can run out of memory in Debug mode.
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HOST_LLVM_CONF_OPTS += -DCMAKE_BUILD_TYPE=Release
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LLVM_CONF_OPTS += -DCMAKE_BUILD_TYPE=Release
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# Compile llvm with the C++14 (ISO C++ 2014 standard).
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HOST_LLVM_CONF_OPTS += -DCMAKE_CXX_STANDARD=14
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LLVM_CONF_OPTS += -DCMAKE_CXX_STANDARD=14
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# Disabled, requires sys/ndir.h header
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# Disable debug in module
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HOST_LLVM_CONF_OPTS += \
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-DLLVM_ENABLE_MODULES=OFF \
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-DLLVM_ENABLE_MODULE_DEBUGGING=OFF
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LLVM_CONF_OPTS += \
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-DLLVM_ENABLE_MODULES=OFF \
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-DLLVM_ENABLE_MODULE_DEBUGGING=OFF
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# Don't change the standard library to libc++.
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HOST_LLVM_CONF_OPTS += -DLLVM_ENABLE_LIBCXX=OFF
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LLVM_CONF_OPTS += -DLLVM_ENABLE_LIBCXX=OFF
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# Don't use lld as a linker.
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HOST_LLVM_CONF_OPTS += -DLLVM_ENABLE_LLD=OFF
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LLVM_CONF_OPTS += -DLLVM_ENABLE_LLD=OFF
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# Generate code for the target. LLVM selects a target by looking at the
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# toolchain tuple
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HOST_LLVM_CONF_OPTS += -DLLVM_DEFAULT_TARGET_TRIPLE=$(GNU_TARGET_NAME)
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LLVM_CONF_OPTS += -DLLVM_DEFAULT_TARGET_TRIPLE=$(GNU_TARGET_NAME)
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# LLVM_HOST_TRIPLE has a misleading name, it is in fact the triple of the
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# system where llvm is going to run on. We need to specify triple for native
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# code generation on the target.
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# This solves "No available targets are compatible for this triple" with llvmpipe
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LLVM_CONF_OPTS += -DLLVM_HOST_TRIPLE=$(GNU_TARGET_NAME)
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# Building the Go and OCaml bindings is yet unsupported.
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HOST_LLVM_CONF_OPTS += \
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-DLLVM_ENABLE_BINDINGS=OFF
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# Builds a release host tablegen that gets used during the LLVM build.
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HOST_LLVM_CONF_OPTS += -DLLVM_OPTIMIZED_TABLEGEN=ON
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# Keep llvm utility binaries for the host. llvm-tblgen is built anyway as
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# CMakeLists.txt has add_subdirectory(utils/TableGen) unconditionally.
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HOST_LLVM_CONF_OPTS += \
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-DLLVM_BUILD_UTILS=ON \
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-DLLVM_INCLUDE_UTILS=ON \
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-DLLVM_INSTALL_UTILS=ON
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LLVM_CONF_OPTS += \
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-DLLVM_BUILD_UTILS=OFF \
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-DLLVM_INCLUDE_UTILS=OFF \
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-DLLVM_INSTALL_UTILS=OFF
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HOST_LLVM_CONF_OPTS += \
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-DLLVM_INCLUDE_TOOLS=ON \
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-DLLVM_BUILD_TOOLS=ON
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# We need to activate LLVM_INCLUDE_TOOLS, otherwise it does not generate
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# libLLVM.so
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LLVM_CONF_OPTS += \
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-DLLVM_INCLUDE_TOOLS=ON
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ifeq ($(BR2_PACKAGE_LLVM_RTTI),y)
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HOST_LLVM_CONF_OPTS += -DLLVM_ENABLE_RTTI=ON
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LLVM_CONF_OPTS += -DLLVM_ENABLE_RTTI=ON
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else
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HOST_LLVM_CONF_OPTS += -DLLVM_ENABLE_RTTI=OFF
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LLVM_CONF_OPTS += -DLLVM_ENABLE_RTTI=OFF
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endif
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HOST_LLVM_CONF_OPTS += -DLLVM_ENABLE_DUMP=OFF
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ifeq ($(BR2_PACKAGE_LLVM_DUMP),y)
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LLVM_CONF_OPTS += -DLLVM_ENABLE_DUMP=ON
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else
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LLVM_CONF_OPTS += -DLLVM_ENABLE_DUMP=OFF
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endif
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# Compiler-rt not in the source tree.
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# llvm runtime libraries are not in the source tree.
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# Polly is not in the source tree.
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HOST_LLVM_CONF_OPTS += \
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-DLLVM_BUILD_EXTERNAL_COMPILER_RT=OFF \
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-DLLVM_BUILD_RUNTIME=OFF \
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-DLLVM_INCLUDE_RUNTIMES=OFF
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LLVM_CONF_OPTS += \
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-DLLVM_BUILD_EXTERNAL_COMPILER_RT=OFF \
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-DLLVM_BUILD_RUNTIME=OFF \
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-DLLVM_INCLUDE_RUNTIMES=OFF
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HOST_LLVM_CONF_OPTS += \
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-DLLVM_ENABLE_WARNINGS=ON \
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-DLLVM_ENABLE_PEDANTIC=ON \
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-DLLVM_ENABLE_WERROR=OFF
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LLVM_CONF_OPTS += \
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-DLLVM_ENABLE_WARNINGS=ON \
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-DLLVM_ENABLE_PEDANTIC=ON \
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-DLLVM_ENABLE_WERROR=OFF
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HOST_LLVM_CONF_OPTS += \
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-DLLVM_BUILD_EXAMPLES=OFF \
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-DLLVM_BUILD_DOCS=OFF \
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-DLLVM_BUILD_TESTS=OFF \
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-DLLVM_ENABLE_DOXYGEN=OFF \
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-DLLVM_ENABLE_OCAMLDOC=OFF \
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-DLLVM_ENABLE_SPHINX=OFF \
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-DLLVM_INCLUDE_EXAMPLES=OFF \
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-DLLVM_INCLUDE_DOCS=OFF \
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-DLLVM_INCLUDE_GO_TESTS=OFF \
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-DLLVM_INCLUDE_TESTS=OFF \
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-DLLVM_INCLUDE_BENCHMARKS=OFF
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LLVM_CONF_OPTS += \
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-DLLVM_BUILD_EXAMPLES=OFF \
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-DLLVM_BUILD_DOCS=OFF \
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-DLLVM_BUILD_TESTS=OFF \
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-DLLVM_ENABLE_DOXYGEN=OFF \
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-DLLVM_ENABLE_OCAMLDOC=OFF \
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-DLLVM_ENABLE_SPHINX=OFF \
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-DLLVM_INCLUDE_EXAMPLES=OFF \
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-DLLVM_INCLUDE_DOCS=OFF \
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-DLLVM_INCLUDE_GO_TESTS=OFF \
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-DLLVM_INCLUDE_TESTS=OFF \
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-DLLVM_INCLUDE_BENCHMARKS=OFF
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# Copy llvm-config (host variant) to STAGING_DIR
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# llvm-config (host variant) returns include and lib directories
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# for the host if it's installed in host/bin:
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# output/host/bin/llvm-config --includedir
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# output/host/include
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# When installed in STAGING_DIR, llvm-config returns include and lib
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# directories from STAGING_DIR.
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# output/staging/usr/bin/llvm-config --includedir
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# output/staging/usr/include
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define LLVM_COPY_LLVM_CONFIG_TO_STAGING_DIR
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$(INSTALL) -D -m 0755 $(HOST_DIR)/bin/llvm-config \
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$(STAGING_DIR)/usr/bin/llvm-config
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endef
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HOST_LLVM_POST_INSTALL_HOOKS = LLVM_COPY_LLVM_CONFIG_TO_STAGING_DIR
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# The llvm-symbolizer binary is used by the Compiler-RT Fuzzer
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# and AddressSanitizer tools on the target for stack traces.
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# If we set -DLLVM_BUILD_TOOLS=ON this will also install the llvm-config
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# target binary to STAGING_DIR, which means we can no longer run it.
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# Therefore, overwrite it again with the host llvm-config.
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ifeq ($(BR2_PACKAGE_COMPILER_RT),y)
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LLVM_CONF_OPTS += \
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-DLLVM_BUILD_TOOLS=ON
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LLVM_POST_INSTALL_STAGING_HOOKS = LLVM_COPY_LLVM_CONFIG_TO_STAGING_DIR
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else
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LLVM_CONF_OPTS += \
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-DLLVM_BUILD_TOOLS=OFF
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endif
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# By default llvm-tblgen is built and installed on the target but it is
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# not necessary. Also erase LLVMHello.so from /usr/lib
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define LLVM_DELETE_LLVM_TBLGEN_TARGET
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rm -f $(TARGET_DIR)/usr/bin/llvm-tblgen $(TARGET_DIR)/usr/lib/LLVMHello.so
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endef
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LLVM_POST_INSTALL_TARGET_HOOKS = LLVM_DELETE_LLVM_TBLGEN_TARGET
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$(eval $(cmake-package))
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$(eval $(host-cmake-package))
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