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wasi-sdk
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wasi-sdk/Makefile

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# Any copyright is dedicated to the Public Domain.
# http://creativecommons.org/publicdomain/zero/1.0/
ROOT_DIR=${CURDIR}
LLVM_PROJ_DIR?=$(ROOT_DIR)/src/llvm-project
# Windows needs munging
ifeq ($(OS),Windows_NT)
PREFIX?=c:/wasi-sdk
# we need to explicitly call bash -c for makefile $(shell ...), otherwise we'll try under
# who knows what
BASH=bash -c
ifeq (x$(MSYSTEM),x)
$(error On Windows, this Makefile only works in MSYS2 environments such as git-bash.)
endif
# msys needs any /-prefixed arguments, or =/ containing, to turn into //
# because it tries to path-expand the / into the msys root. // escapes this.
ESCAPE_SLASH=/
BUILD_PREFIX=$(PREFIX)
# assuming we're running under msys2 (git-bash), PATH needs /c/foo format directories (because
# it itself is :-delimited)
PATH_PREFIX=$(shell cygpath.exe -u $(BUILD_PREFIX))
else
PREFIX?=/opt/wasi-sdk
DESTDIR=$(abspath build/install)
BUILD_PREFIX=$(DESTDIR)$(PREFIX)
PATH_PREFIX=$(BUILD_PREFIX)
ESCAPE_SLASH?=
BASH=
endif
CLANG_VERSION=$(shell $(BASH) ./llvm_version.sh $(LLVM_PROJ_DIR))
CLANG_MAJOR_VERSION=$(shell $(BASH) ./llvm_version_major.sh $(LLVM_PROJ_DIR))
VERSION:=$(shell $(BASH) ./version.sh)
DEBUG_PREFIX_MAP=-fdebug-prefix-map=$(ROOT_DIR)=wasisdk://v$(VERSION)
default: build
@echo "Use -fdebug-prefix-map=$(ROOT_DIR)=wasisdk://v$(VERSION)"
check:
CC="clang --sysroot=$(BUILD_PREFIX)/share/wasi-sysroot" \
CXX="clang++ --sysroot=$(BUILD_PREFIX)/share/wasi-sysroot -fno-exceptions" \
PATH="$(PATH_PREFIX)/bin:$$PATH" tests/run.sh $(RUNTIME)
clean:
rm -rf build $(DESTDIR)
build/llvm.BUILT:
mkdir -p build/llvm
cd build/llvm && cmake -G Ninja \
-DCMAKE_BUILD_TYPE=MinSizeRel \
-DLLVM_ENABLE_TERMINFO=OFF \
-DLLVM_ENABLE_ZLIB=OFF \
-DLLVM_ENABLE_ZSTD=OFF \
-DLLVM_STATIC_LINK_CXX_STDLIB=ON \
-DLLVM_HAVE_LIBXAR=OFF \
-DCMAKE_OSX_ARCHITECTURES="arm64;x86_64" \
-DCMAKE_OSX_DEPLOYMENT_TARGET=11.0 \
-DCMAKE_INSTALL_PREFIX=$(PREFIX) \
-DLLVM_TARGETS_TO_BUILD=WebAssembly \
-DLLVM_DEFAULT_TARGET_TRIPLE=wasm32-wasi \
-DLLVM_ENABLE_PROJECTS="lld;clang;clang-tools-extra" \
$(if $(patsubst 9.%,,$(CLANG_VERSION)), \
$(if $(patsubst 10.%,,$(CLANG_VERSION)), \
-DDEFAULT_SYSROOT=../share/wasi-sysroot, \
-DDEFAULT_SYSROOT=$(PREFIX)/share/wasi-sysroot), \
-DDEFAULT_SYSROOT=$(PREFIX)/share/wasi-sysroot) \
-DLLVM_INSTALL_BINUTILS_SYMLINKS=TRUE \
-DLLVM_ENABLE_LIBXML2=OFF \
$(LLVM_CMAKE_FLAGS) \
$(LLVM_PROJ_DIR)/llvm
DESTDIR=$(DESTDIR) ninja $(NINJA_FLAGS) -C build/llvm \
install-clang \
install-clang-format \
install-clang-tidy \
install-clang-apply-replacements \
install-lld \
install-llvm-mc \
install-llvm-ranlib \
install-llvm-strip \
install-llvm-dwarfdump \
install-clang-resource-headers \
install-ar \
install-ranlib \
install-strip \
install-nm \
install-size \
install-strings \
install-objdump \
install-objcopy \
install-c++filt \
llvm-config
touch build/llvm.BUILT
build/wasi-libc.BUILT: build/llvm.BUILT
$(MAKE) -C $(ROOT_DIR)/src/wasi-libc \
CC=$(BUILD_PREFIX)/bin/clang \
AR=$(BUILD_PREFIX)/bin/llvm-ar \
NM=$(BUILD_PREFIX)/bin/llvm-nm \
SYSROOT=$(BUILD_PREFIX)/share/wasi-sysroot
$(MAKE) -C $(ROOT_DIR)/src/wasi-libc \
CC=$(BUILD_PREFIX)/bin/clang \
AR=$(BUILD_PREFIX)/bin/llvm-ar \
NM=$(BUILD_PREFIX)/bin/llvm-nm \
SYSROOT=$(BUILD_PREFIX)/share/wasi-sysroot \
THREAD_MODEL=posix
touch build/wasi-libc.BUILT
build/compiler-rt.BUILT: build/llvm.BUILT build/wasi-libc.BUILT
# Do the build, and install it.
mkdir -p build/compiler-rt
cd build/compiler-rt && cmake -G Ninja \
-DCMAKE_SYSROOT=$(BUILD_PREFIX)/share/wasi-sysroot \
-DCMAKE_C_COMPILER_WORKS=ON \
-DCMAKE_CXX_COMPILER_WORKS=ON \
-DCMAKE_AR=$(BUILD_PREFIX)/bin/ar \
-DCMAKE_MODULE_PATH=$(ROOT_DIR)/cmake \
-DCMAKE_BUILD_TYPE=RelWithDebInfo \
-DCMAKE_TOOLCHAIN_FILE=$(ROOT_DIR)/wasi-sdk.cmake \
-DCOMPILER_RT_BAREMETAL_BUILD=On \
-DCOMPILER_RT_BUILD_XRAY=OFF \
-DCOMPILER_RT_INCLUDE_TESTS=OFF \
-DCOMPILER_RT_HAS_FPIC_FLAG=OFF \
-DCOMPILER_RT_ENABLE_IOS=OFF \
-DCOMPILER_RT_DEFAULT_TARGET_ONLY=On \
-DWASI_SDK_PREFIX=$(BUILD_PREFIX) \
-DCMAKE_C_FLAGS="$(DEBUG_PREFIX_MAP)" \
-DLLVM_CONFIG_PATH=$(ROOT_DIR)/build/llvm/bin/llvm-config \
-DCOMPILER_RT_OS_DIR=wasi \
-DCMAKE_INSTALL_PREFIX=$(PREFIX)/lib/clang/$(CLANG_MAJOR_VERSION)/ \
-DCMAKE_VERBOSE_MAKEFILE:BOOL=ON \
$(LLVM_PROJ_DIR)/compiler-rt/lib/builtins
DESTDIR=$(DESTDIR) ninja $(NINJA_FLAGS) -C build/compiler-rt install
# Install clang-provided headers.
cp -R $(ROOT_DIR)/build/llvm/lib/clang $(BUILD_PREFIX)/lib/
touch build/compiler-rt.BUILT
# Flags for libcxx and libcxxabi.
LIBCXX_CMAKE_FLAGS = \
-DCMAKE_C_COMPILER_WORKS=ON \
-DCMAKE_CXX_COMPILER_WORKS=ON \
-DCMAKE_AR=$(BUILD_PREFIX)/bin/ar \
-DCMAKE_MODULE_PATH=$(ROOT_DIR)/cmake \
-DCMAKE_TOOLCHAIN_FILE=$(ROOT_DIR)/wasi-sdk.cmake \
-DCMAKE_STAGING_PREFIX=$(PREFIX)/share/wasi-sysroot \
-DLLVM_CONFIG_PATH=$(ROOT_DIR)/build/llvm/bin/llvm-config \
-DCMAKE_VERBOSE_MAKEFILE:BOOL=ON \
-DCXX_SUPPORTS_CXX11=ON \
-DLIBCXX_ENABLE_THREADS:BOOL=OFF \
-DLIBCXX_HAS_PTHREAD_API:BOOL=OFF \
-DLIBCXX_HAS_EXTERNAL_THREAD_API:BOOL=OFF \
-DLIBCXX_BUILD_EXTERNAL_THREAD_LIBRARY:BOOL=OFF \
-DLIBCXX_HAS_WIN32_THREAD_API:BOOL=OFF \
-DLLVM_COMPILER_CHECKED=ON \
-DCMAKE_BUILD_TYPE=RelWithDebugInfo \
-DLIBCXX_ENABLE_SHARED:BOOL=OFF \
-DLIBCXX_ENABLE_EXPERIMENTAL_LIBRARY:BOOL=OFF \
-DLIBCXX_ENABLE_EXCEPTIONS:BOOL=OFF \
-DLIBCXX_ENABLE_FILESYSTEM:BOOL=OFF \
-DLIBCXX_CXX_ABI=libcxxabi \
-DLIBCXX_CXX_ABI_INCLUDE_PATHS=$(LLVM_PROJ_DIR)/libcxxabi/include \
-DLIBCXX_HAS_MUSL_LIBC:BOOL=ON \
-DLIBCXX_ABI_VERSION=2 \
-DLIBCXXABI_ENABLE_EXCEPTIONS:BOOL=OFF \
-DLIBCXXABI_ENABLE_SHARED:BOOL=OFF \
-DLIBCXXABI_SILENT_TERMINATE:BOOL=ON \
-DLIBCXXABI_ENABLE_THREADS:BOOL=OFF \
-DLIBCXXABI_HAS_PTHREAD_API:BOOL=OFF \
-DLIBCXXABI_HAS_EXTERNAL_THREAD_API:BOOL=OFF \
-DLIBCXXABI_BUILD_EXTERNAL_THREAD_LIBRARY:BOOL=OFF \
-DLIBCXXABI_HAS_WIN32_THREAD_API:BOOL=OFF \
-DLIBCXXABI_ENABLE_PIC:BOOL=OFF \
-DWASI_SDK_PREFIX=$(BUILD_PREFIX) \
-DUNIX:BOOL=ON \
--debug-trycompile
build/libcxx.BUILT: build/llvm.BUILT build/compiler-rt.BUILT build/wasi-libc.BUILT
# Do the build.
mkdir -p build/libcxx
cd build/libcxx && cmake -G Ninja $(LIBCXX_CMAKE_FLAGS) \
-DCMAKE_SYSROOT=$(BUILD_PREFIX)/share/wasi-sysroot \
-DCMAKE_C_FLAGS="$(DEBUG_PREFIX_MAP)" \
-DCMAKE_CXX_FLAGS="$(DEBUG_PREFIX_MAP)" \
-DLIBCXX_LIBDIR_SUFFIX=$(ESCAPE_SLASH)/wasm32-wasi \
-DLIBCXXABI_LIBDIR_SUFFIX=$(ESCAPE_SLASH)/wasm32-wasi \
-DLLVM_ENABLE_RUNTIMES="libcxx;libcxxabi" \
$(LLVM_PROJ_DIR)/runtimes
ninja $(NINJA_FLAGS) -C build/libcxx
# Do the install.
DESTDIR=$(DESTDIR) ninja $(NINJA_FLAGS) -C build/libcxx install
touch build/libcxx.BUILT
build/config.BUILT:
mkdir -p $(BUILD_PREFIX)/share/misc
cp src/config/config.sub src/config/config.guess $(BUILD_PREFIX)/share/misc
mkdir -p $(BUILD_PREFIX)/share/cmake
cp wasi-sdk.cmake $(BUILD_PREFIX)/share/cmake
cp wasi-sdk-pthread.cmake $(BUILD_PREFIX)/share/cmake
touch build/config.BUILT
build: build/llvm.BUILT build/wasi-libc.BUILT build/compiler-rt.BUILT build/libcxx.BUILT build/config.BUILT
strip: build/llvm.BUILT
./strip_symbols.sh $(BUILD_PREFIX)/bin
package: build/package.BUILT
build/package.BUILT: build strip
mkdir -p dist
./deb_from_installation.sh $(shell pwd)/dist "$(VERSION)" "$(BUILD_PREFIX)"
./tar_from_installation.sh "$(shell pwd)/dist" "$(VERSION)" "$(BUILD_PREFIX)"
touch build/package.BUILT
.PHONY: default clean build strip package check
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