Update llvm & wasi-libc

Enable LTO
Add Asterius CI job

.github/workflows/asterius.yml

@@ -0,0 +1,35 @@
+name: Asterius
+
+on:
+  - push
+  - pull_request
+
+jobs:
+
+  build:
+    name: build
+    runs-on: ubuntu-20.04
+    steps:
+
+      - name: checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+          submodules: recursive
+
+      - name: build
+        run: |
+          podman run \
+            --network host \
+            --pull always \
+            --rm \
+            --volume $(pwd):$(pwd) \
+            --workdir $(pwd) \
+            debian:sid-slim \
+            ./asterius_build.sh
+
+      - name: upload-artifact
+        uses: actions/upload-artifact@v2
+        with:
+          name: dist-asterius
+          path: dist

.gitmodules

@@ -3,7 +3,7 @@
 	url = https://github.com/llvm/llvm-project
 [submodule "src/wasi-libc"]
 	path = src/wasi-libc
-	url = https://github.com/CraneStation/wasi-libc
+	url = https://github.com/TerrorJack/wasi-libc
 [submodule "src/config"]
 	path = src/config
 	url = https://git.savannah.gnu.org/git/config.git

Makefile

@@ -59,15 +59,12 @@ build/llvm.BUILT:
 		-DCMAKE_INSTALL_PREFIX=$(PREFIX) \
 		-DLLVM_TARGETS_TO_BUILD=WebAssembly \
 		-DLLVM_DEFAULT_TARGET_TRIPLE=wasm32-wasi \
-		-DLLVM_ENABLE_PROJECTS="lld;clang;clang-tools-extra" \
+		-DLLVM_ENABLE_PROJECTS="lld;clang" \
 		-DDEFAULT_SYSROOT=$(PREFIX)/share/wasi-sysroot \
 		-DLLVM_INSTALL_BINUTILS_SYMLINKS=TRUE \
 		$(LLVM_PROJ_DIR)/llvm
 	DESTDIR=$(DESTDIR) ninja $(NINJA_FLAGS) -v -C build/llvm \
 		install-clang \
-		install-clang-format \
-		install-clang-tidy \
-		install-clang-apply-replacements \
 		install-lld \
 		install-llvm-ranlib \
 		install-llvm-strip \
@@ -99,16 +96,17 @@ build/compiler-rt.BUILT: build/llvm.BUILT
 		-DCMAKE_CXX_COMPILER_WORKS=ON \
 		-DCMAKE_AR=$(BUILD_PREFIX)/bin/ar \
 		-DCMAKE_MODULE_PATH=$(ROOT_DIR)/cmake \
-		-DCMAKE_BUILD_TYPE=RelWithDebInfo \
+		-DCMAKE_BUILD_TYPE=MinSizeRel \
 		-DCMAKE_TOOLCHAIN_FILE=$(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 \
+		-DCOMPILER_RT_EXCLUDE_ATOMIC_BUILTIN=OFF \
 		-DWASI_SDK_PREFIX=$(BUILD_PREFIX) \
-		-DCMAKE_C_FLAGS="$(DEBUG_PREFIX_MAP) --sysroot=$(BUILD_PREFIX)/share/wasi-sysroot" \
+		-DCMAKE_C_FLAGS="-Oz -flto $(DEBUG_PREFIX_MAP) --sysroot=$(BUILD_PREFIX)/share/wasi-sysroot" \
 		-DLLVM_CONFIG_PATH=$(ROOT_DIR)/build/llvm/bin/llvm-config \
 		-DCOMPILER_RT_OS_DIR=wasi \
 		-DCMAKE_INSTALL_PREFIX=$(PREFIX)/lib/clang/$(CLANG_VERSION)/ \
@@ -129,12 +127,12 @@ LIBCXX_CMAKE_FLAGS = \
     -DCMAKE_STAGING_PREFIX=$(PREFIX)/share/wasi-sysroot \
     -DLLVM_CONFIG_PATH=$(ROOT_DIR)/build/llvm/bin/llvm-config \
     -DCMAKE_VERBOSE_MAKEFILE:BOOL=ON \
-    -DLIBCXX_ENABLE_THREADS:BOOL=OFF \
-    -DLIBCXX_HAS_PTHREAD_API:BOOL=OFF \
+    -DLIBCXX_ENABLE_THREADS:BOOL=ON \
+    -DLIBCXX_HAS_PTHREAD_API:BOOL=ON \
     -DLIBCXX_HAS_EXTERNAL_THREAD_API:BOOL=OFF \
     -DLIBCXX_BUILD_EXTERNAL_THREAD_LIBRARY:BOOL=OFF \
     -DLIBCXX_HAS_WIN32_THREAD_API:BOOL=OFF \
-    -DCMAKE_BUILD_TYPE=RelWithDebugInfo \
+    -DCMAKE_BUILD_TYPE=MinSizeRel \
     -DLIBCXX_ENABLE_SHARED:BOOL=OFF \
     -DLIBCXX_ENABLE_EXPERIMENTAL_LIBRARY:BOOL=OFF \
     -DLIBCXX_ENABLE_EXCEPTIONS:BOOL=OFF \
@@ -150,8 +148,8 @@ build/libcxx.BUILT: build/llvm.BUILT build/compiler-rt.BUILT build/wasi-libc.BUI
 	# Do the build.
 	mkdir -p build/libcxx
 	cd build/libcxx && cmake -G Ninja $(LIBCXX_CMAKE_FLAGS) \
-	    -DCMAKE_C_FLAGS="$(DEBUG_PREFIX_MAP) --sysroot=$(BUILD_PREFIX)/share/wasi-sysroot" \
-	    -DCMAKE_CXX_FLAGS="$(DEBUG_PREFIX_MAP) --sysroot=$(BUILD_PREFIX)/share/wasi-sysroot" \
+	    -DCMAKE_C_FLAGS="-Oz -flto $(DEBUG_PREFIX_MAP) --sysroot=$(BUILD_PREFIX)/share/wasi-sysroot" \
+	    -DCMAKE_CXX_FLAGS="-Oz -flto $(DEBUG_PREFIX_MAP) --sysroot=$(BUILD_PREFIX)/share/wasi-sysroot" \
 	    -DLIBCXX_LIBDIR_SUFFIX=$(ESCAPE_SLASH)/wasm32-wasi \
 	    $(LLVM_PROJ_DIR)/libcxx
 	ninja $(NINJA_FLAGS) -v -C build/libcxx
@@ -169,15 +167,15 @@ LIBCXXABI_CMAKE_FLAGS = \
     -DLIBCXXABI_ENABLE_EXCEPTIONS:BOOL=OFF \
     -DLIBCXXABI_ENABLE_SHARED:BOOL=OFF \
     -DLIBCXXABI_SILENT_TERMINATE:BOOL=ON \
-    -DLIBCXXABI_ENABLE_THREADS:BOOL=OFF \
-    -DLIBCXXABI_HAS_PTHREAD_API:BOOL=OFF \
+    -DLIBCXXABI_ENABLE_THREADS:BOOL=ON \
+    -DLIBCXXABI_HAS_PTHREAD_API:BOOL=ON \
     -DLIBCXXABI_HAS_EXTERNAL_THREAD_API:BOOL=OFF \
     -DLIBCXXABI_BUILD_EXTERNAL_THREAD_LIBRARY:BOOL=OFF \
     -DLIBCXXABI_HAS_WIN32_THREAD_API:BOOL=OFF \
     -DLIBCXXABI_ENABLE_PIC:BOOL=OFF \
     -DCXX_SUPPORTS_CXX11=ON \
     -DLLVM_COMPILER_CHECKED=ON \
-    -DCMAKE_BUILD_TYPE=RelWithDebugInfo \
+    -DCMAKE_BUILD_TYPE=MinSizeRel \
     -DLIBCXXABI_LIBCXX_PATH=$(LLVM_PROJ_DIR)/libcxx \
     -DLIBCXXABI_LIBCXX_INCLUDES=$(BUILD_PREFIX)/share/wasi-sysroot/include/c++/v1 \
     -DLLVM_CONFIG_PATH=$(ROOT_DIR)/build/llvm/bin/llvm-config \
@@ -191,8 +189,8 @@ build/libcxxabi.BUILT: build/libcxx.BUILT build/llvm.BUILT
 	# Do the build.
 	mkdir -p build/libcxxabi
 	cd build/libcxxabi && cmake -G Ninja $(LIBCXXABI_CMAKE_FLAGS) \
-	    -DCMAKE_C_FLAGS="$(DEBUG_PREFIX_MAP) --sysroot=$(BUILD_PREFIX)/share/wasi-sysroot" \
-	    -DCMAKE_CXX_FLAGS="$(DEBUG_PREFIX_MAP) --sysroot=$(BUILD_PREFIX)/share/wasi-sysroot" \
+	    -DCMAKE_C_FLAGS="-Oz -flto $(DEBUG_PREFIX_MAP) --sysroot=$(BUILD_PREFIX)/share/wasi-sysroot" \
+	    -DCMAKE_CXX_FLAGS="-Oz -flto $(DEBUG_PREFIX_MAP) --sysroot=$(BUILD_PREFIX)/share/wasi-sysroot" \
 	    -DLIBCXXABI_LIBDIR_SUFFIX=$(ESCAPE_SLASH)/wasm32-wasi \
 	    $(LLVM_PROJ_DIR)/libcxxabi
 	ninja $(NINJA_FLAGS) -v -C build/libcxxabi

asterius_build.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+
+set -euo pipefail
+
+apt update
+apt full-upgrade -y
+apt install -y \
+  build-essential \
+  cmake \
+  git \
+  ninja-build \
+  python3
+
+make package