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272 lines
10 KiB
272 lines
10 KiB
# Any copyright is dedicated to the Public Domain.
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# http://creativecommons.org/publicdomain/zero/1.0/
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ROOT_DIR=${CURDIR}
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LLVM_PROJ_DIR?=$(ROOT_DIR)/src/llvm-project
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# Windows needs munging
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ifeq ($(OS),Windows_NT)
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PREFIX?=c:/wasi-sdk
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# we need to explicitly call bash -c for makefile $(shell ...), otherwise we'll try under
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# who knows what
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BASH=bash -c
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ifeq (x$(MSYSTEM),x)
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$(error On Windows, this Makefile only works in MSYS2 environments such as git-bash.)
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endif
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# msys needs any /-prefixed arguments, or =/ containing, to turn into //
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# because it tries to path-expand the / into the msys root. // escapes this.
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ESCAPE_SLASH=/
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BUILD_PREFIX=$(PREFIX)
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# assuming we're running under msys2 (git-bash), PATH needs /c/foo format directories (because
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# it itself is :-delimited)
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PATH_PREFIX=$(shell cygpath.exe -u $(BUILD_PREFIX))
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else
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PREFIX?=/opt/wasi-sdk
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DESTDIR=$(abspath build/install)
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BUILD_PREFIX=$(DESTDIR)$(PREFIX)
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PATH_PREFIX=$(BUILD_PREFIX)
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ESCAPE_SLASH?=
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BASH=
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endif
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ifeq ($(shell uname),Darwin)
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override LLVM_CMAKE_FLAGS += -DCMAKE_OSX_ARCHITECTURES="arm64;x86_64" \
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-DCMAKE_OSX_DEPLOYMENT_TARGET=10.12
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endif
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TARGETS = wasm32-wasi wasm32-wasip1 wasm32-wasip2 wasm32-wasip1-threads wasm32-wasi-threads
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# Only the major version is needed for Clang, see https://reviews.llvm.org/D125860.
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CLANG_VERSION=$(shell $(BASH) ./llvm_version_major.sh $(LLVM_PROJ_DIR))
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VERSION:=$(shell $(BASH) ./version.sh)
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DEBUG_PREFIX_MAP=-fdebug-prefix-map=$(ROOT_DIR)=wasisdk://v$(VERSION)
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default: build
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@echo "Use -fdebug-prefix-map=$(ROOT_DIR)=wasisdk://v$(VERSION)"
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check:
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TARGETS="$(TARGETS)" tests/run.sh "$(BUILD_PREFIX)" "$(RUNTIME)" "$(ADAPTER)" "$(WASM_TOOLS)"
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clean:
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rm -rf build $(DESTDIR)
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# Default symlinks that clang creates to the `clang` executable
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CLANG_LINKS_TO_CREATE = clang++ clang-cl clang-cpp
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# Add target-prefixed versions of `clang` and `clang++` so they can be used
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# without `--target` as it's auto-inferred from the executable name by clang.
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CLANG_LINKS_TO_CREATE += $(foreach target,$(TARGETS),$(target)-clang)
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CLANG_LINKS_TO_CREATE += $(foreach target,$(TARGETS),$(target)-clang++)
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# Small helper to create a `join-with` function that can join elements of a
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# list with a defined separator.
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noop =
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space = $(noop) $(noop)
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join-with = $(subst $(space),$1,$(strip $2))
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build/llvm.BUILT:
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mkdir -p build/llvm
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cd build/llvm && cmake -G Ninja \
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-DCLANG_LINKS_TO_CREATE="$(call join-with,;,$(CLANG_LINKS_TO_CREATE))" \
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-DCMAKE_BUILD_TYPE=MinSizeRel \
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-DLLVM_ENABLE_TERMINFO=OFF \
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-DLLVM_ENABLE_ZLIB=OFF \
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-DLLVM_ENABLE_ZSTD=OFF \
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-DLLVM_STATIC_LINK_CXX_STDLIB=ON \
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-DCMAKE_INSTALL_PREFIX=$(PREFIX) \
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-DLLVM_INCLUDE_TESTS=OFF \
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-DLLVM_INCLUDE_UTILS=OFF \
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-DLLVM_INCLUDE_BENCHMARKS=OFF \
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-DLLVM_INCLUDE_EXAMPLES=OFF \
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-DLLVM_TARGETS_TO_BUILD=WebAssembly \
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-DLLVM_DEFAULT_TARGET_TRIPLE=wasm32-wasi \
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-DLLVM_ENABLE_PROJECTS="lld;clang;clang-tools-extra" \
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$(if $(patsubst 9,,$(CLANG_VERSION)), \
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$(if $(patsubst 10,,$(CLANG_VERSION)), \
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-DDEFAULT_SYSROOT=../share/wasi-sysroot, \
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-DDEFAULT_SYSROOT=$(PREFIX)/share/wasi-sysroot), \
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-DDEFAULT_SYSROOT=$(PREFIX)/share/wasi-sysroot) \
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-DLLVM_INSTALL_BINUTILS_SYMLINKS=TRUE \
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-DLLVM_ENABLE_LIBXML2=OFF \
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$(LLVM_CMAKE_FLAGS) \
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$(LLVM_PROJ_DIR)/llvm
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DESTDIR=$(DESTDIR) ninja $(NINJA_FLAGS) -C build/llvm \
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install-clang \
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install-clang-format \
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install-clang-tidy \
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install-clang-apply-replacements \
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install-lld \
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install-llvm-mc \
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install-llvm-ranlib \
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install-llvm-strip \
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install-llvm-dwarfdump \
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install-clang-resource-headers \
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install-ar \
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install-ranlib \
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install-strip \
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install-nm \
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install-size \
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install-strings \
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install-objdump \
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install-objcopy \
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install-c++filt \
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llvm-config
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touch build/llvm.BUILT
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# Flags for running `make` in wasi-libc
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# $(1): the target that's being built
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WASI_LIBC_MAKEFLAGS = \
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-C $(ROOT_DIR)/src/wasi-libc \
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CC=$(BUILD_PREFIX)/bin/clang \
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AR=$(BUILD_PREFIX)/bin/llvm-ar \
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NM=$(BUILD_PREFIX)/bin/llvm-nm \
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SYSROOT=$(BUILD_PREFIX)/share/wasi-sysroot \
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TARGET_TRIPLE=$(1)
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build/wasi-libc.BUILT: build/compiler-rt.BUILT
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$(MAKE) $(call WASI_LIBC_MAKEFLAGS,wasm32-wasi) default libc_so
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$(MAKE) $(call WASI_LIBC_MAKEFLAGS,wasm32-wasip1) default libc_so
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$(MAKE) $(call WASI_LIBC_MAKEFLAGS,wasm32-wasip2) WASI_SNAPSHOT=p2 default libc_so
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$(MAKE) $(call WASI_LIBC_MAKEFLAGS,wasm32-wasi-threads) THREAD_MODEL=posix
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$(MAKE) $(call WASI_LIBC_MAKEFLAGS,wasm32-wasip1-threads) THREAD_MODEL=posix
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touch build/wasi-libc.BUILT
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build/compiler-rt.BUILT: build/llvm.BUILT
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# Do the build, and install it.
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mkdir -p build/compiler-rt
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cd build/compiler-rt && cmake -G Ninja \
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-DCMAKE_SYSROOT=$(BUILD_PREFIX)/share/wasi-sysroot \
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-DCMAKE_C_COMPILER_WORKS=ON \
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-DCMAKE_CXX_COMPILER_WORKS=ON \
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-DCMAKE_AR=$(BUILD_PREFIX)/bin/ar \
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-DCMAKE_MODULE_PATH=$(ROOT_DIR)/cmake \
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-DCMAKE_BUILD_TYPE=RelWithDebInfo \
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-DCMAKE_TOOLCHAIN_FILE=$(ROOT_DIR)/wasi-sdk.cmake \
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-DCOMPILER_RT_BAREMETAL_BUILD=On \
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-DCOMPILER_RT_BUILD_XRAY=OFF \
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-DCOMPILER_RT_INCLUDE_TESTS=OFF \
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-DCOMPILER_RT_HAS_FPIC_FLAG=OFF \
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-DCOMPILER_RT_ENABLE_IOS=OFF \
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-DCOMPILER_RT_DEFAULT_TARGET_ONLY=On \
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-DWASI_SDK_PREFIX=$(BUILD_PREFIX) \
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-DCMAKE_C_FLAGS="$(DEBUG_PREFIX_MAP)" \
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-DLLVM_CONFIG_PATH=$(ROOT_DIR)/build/llvm/bin/llvm-config \
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-DCOMPILER_RT_OS_DIR=wasi \
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-DCMAKE_INSTALL_PREFIX=$(PREFIX)/lib/clang/$(CLANG_VERSION)/ \
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-DCMAKE_VERBOSE_MAKEFILE:BOOL=ON \
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$(LLVM_PROJ_DIR)/compiler-rt/lib/builtins
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DESTDIR=$(DESTDIR) ninja $(NINJA_FLAGS) -C build/compiler-rt install
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# Install clang-provided headers.
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cp -R $(ROOT_DIR)/build/llvm/lib/clang $(BUILD_PREFIX)/lib/
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cp -R $(BUILD_PREFIX)/lib/clang/$(CLANG_VERSION)/lib/wasi $(BUILD_PREFIX)/lib/clang/$(CLANG_VERSION)/lib/wasip1
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cp -R $(BUILD_PREFIX)/lib/clang/$(CLANG_VERSION)/lib/wasi $(BUILD_PREFIX)/lib/clang/$(CLANG_VERSION)/lib/wasip2
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touch build/compiler-rt.BUILT
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# Flags for libcxx and libcxxabi.
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# $(1): pthreads ON or OFF
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# $(2): shared libraries ON or OFF
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# $(3): the name of the target being built for
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# $(4): extra compiler flags to pass
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LIBCXX_CMAKE_FLAGS = \
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-DCMAKE_C_COMPILER_WORKS=ON \
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-DCMAKE_CXX_COMPILER_WORKS=ON \
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-DCMAKE_AR=$(BUILD_PREFIX)/bin/ar \
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-DCMAKE_MODULE_PATH=$(ROOT_DIR)/cmake \
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-DCMAKE_TOOLCHAIN_FILE=$(ROOT_DIR)/wasi-sdk.cmake \
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-DCMAKE_STAGING_PREFIX=$(PREFIX)/share/wasi-sysroot \
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-DCMAKE_POSITION_INDEPENDENT_CODE=$(2) \
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-DLLVM_CONFIG_PATH=$(ROOT_DIR)/build/llvm/bin/llvm-config \
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-DCMAKE_VERBOSE_MAKEFILE:BOOL=ON \
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-DCXX_SUPPORTS_CXX11=ON \
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-DLIBCXX_ENABLE_THREADS:BOOL=$(1) \
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-DLIBCXX_HAS_PTHREAD_API:BOOL=$(1) \
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-DLIBCXX_HAS_EXTERNAL_THREAD_API:BOOL=OFF \
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-DLIBCXX_BUILD_EXTERNAL_THREAD_LIBRARY:BOOL=OFF \
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-DLIBCXX_HAS_WIN32_THREAD_API:BOOL=OFF \
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-DLLVM_COMPILER_CHECKED=ON \
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-DCMAKE_BUILD_TYPE=RelWithDebInfo \
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-DLIBCXX_ENABLE_SHARED:BOOL=$(2) \
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-DLIBCXX_ENABLE_EXPERIMENTAL_LIBRARY:BOOL=OFF \
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-DLIBCXX_ENABLE_EXCEPTIONS:BOOL=OFF \
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-DLIBCXX_ENABLE_FILESYSTEM:BOOL=ON \
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-DLIBCXX_ENABLE_ABI_LINKER_SCRIPT:BOOL=OFF \
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-DLIBCXX_CXX_ABI=libcxxabi \
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-DLIBCXX_CXX_ABI_INCLUDE_PATHS=$(LLVM_PROJ_DIR)/libcxxabi/include \
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-DLIBCXX_HAS_MUSL_LIBC:BOOL=ON \
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-DLIBCXX_ABI_VERSION=2 \
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-DLIBCXXABI_ENABLE_EXCEPTIONS:BOOL=OFF \
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-DLIBCXXABI_ENABLE_SHARED:BOOL=$(2) \
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-DLIBCXXABI_SILENT_TERMINATE:BOOL=ON \
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-DLIBCXXABI_ENABLE_THREADS:BOOL=$(1) \
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-DLIBCXXABI_HAS_PTHREAD_API:BOOL=$(1) \
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-DLIBCXXABI_HAS_EXTERNAL_THREAD_API:BOOL=OFF \
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-DLIBCXXABI_BUILD_EXTERNAL_THREAD_LIBRARY:BOOL=OFF \
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-DLIBCXXABI_HAS_WIN32_THREAD_API:BOOL=OFF \
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-DLIBCXXABI_ENABLE_PIC:BOOL=$(2) \
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-DLIBCXXABI_USE_LLVM_UNWINDER:BOOL=OFF \
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-DWASI_SDK_PREFIX=$(BUILD_PREFIX) \
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-DUNIX:BOOL=ON \
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--debug-trycompile \
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-DCMAKE_SYSROOT=$(BUILD_PREFIX)/share/wasi-sysroot \
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-DCMAKE_C_FLAGS="$(DEBUG_PREFIX_MAP) $(EXTRA_CFLAGS) $(4) --target=$(3)" \
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-DCMAKE_CXX_FLAGS="$(DEBUG_PREFIX_MAP) $(EXTRA_CXXFLAGS) $(4) --target=$(3)" \
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-DLIBCXX_LIBDIR_SUFFIX=$(ESCAPE_SLASH)/$(3) \
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-DLIBCXXABI_LIBDIR_SUFFIX=$(ESCAPE_SLASH)/$(3) \
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-DLLVM_ENABLE_RUNTIMES="libcxx;libcxxabi" \
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$(LLVM_PROJ_DIR)/runtimes
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# Rules to build libcxx, factored out here to deduplicate the below
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# $(1): pthreads ON or OFF
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# $(2): shared libraries ON or OFF
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# $(3): the name of the target being built for
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define BUILD_LIBCXX
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mkdir -p build/libcxx-$(3)
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cd build/libcxx-$(3) && cmake -G Ninja $(call LIBCXX_CMAKE_FLAGS,$(1),$(2),$(3),$(4))
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ninja $(NINJA_FLAGS) -C build/libcxx-$(3)
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DESTDIR=$(DESTDIR) ninja $(NINJA_FLAGS) -C build/libcxx-$(3) install
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rm -rf $(BUILD_PREFIX)/share/wasi-sysroot/include/$(3)/c++
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mv $(BUILD_PREFIX)/share/wasi-sysroot/include/c++ $(BUILD_PREFIX)/share/wasi-sysroot/include/$(3)/
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endef
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build/libcxx.BUILT: build/llvm.BUILT build/wasi-libc.BUILT
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$(call BUILD_LIBCXX,OFF,ON,wasm32-wasi)
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$(call BUILD_LIBCXX,OFF,ON,wasm32-wasip1)
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$(call BUILD_LIBCXX,OFF,ON,wasm32-wasip2)
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$(call BUILD_LIBCXX,ON,OFF,wasm32-wasi-threads,-pthread)
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$(call BUILD_LIBCXX,ON,OFF,wasm32-wasip1-threads,-pthread)
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# As of this writing, `clang++` will ignore the above include dirs unless this one also exists:
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mkdir -p $(BUILD_PREFIX)/share/wasi-sysroot/include/c++/v1
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touch build/libcxx.BUILT
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build/config.BUILT:
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mkdir -p $(BUILD_PREFIX)/share/misc
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cp src/config/config.sub src/config/config.guess $(BUILD_PREFIX)/share/misc
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mkdir -p $(BUILD_PREFIX)/share/cmake/Platform
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cp wasi-sdk.cmake $(BUILD_PREFIX)/share/cmake
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cp wasi-sdk-pthread.cmake $(BUILD_PREFIX)/share/cmake
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cp cmake/Platform/WASI.cmake $(BUILD_PREFIX)/share/cmake/Platform
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touch build/config.BUILT
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build: build/llvm.BUILT build/wasi-libc.BUILT build/compiler-rt.BUILT build/libcxx.BUILT build/config.BUILT
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strip: build/llvm.BUILT
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./strip_symbols.sh $(BUILD_PREFIX)/bin
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package: build/package.BUILT
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build/package.BUILT: build strip
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mkdir -p dist
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./deb_from_installation.sh $(shell pwd)/dist "$(VERSION)" "$(BUILD_PREFIX)"
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./tar_from_installation.sh "$(shell pwd)/dist" "$(VERSION)" "$(BUILD_PREFIX)"
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touch build/package.BUILT
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.PHONY: default clean build strip package check
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