Updated to Swift 5.7

.github/workflows/build.yml

@@ -17,8 +17,13 @@ jobs:
           run: |
             export SRC_ROOT=$GITHUB_WORKSPACE
             ./build.sh
-        - name: Archive Build artifacts
+        - name: Archive Swift Build artifacts
           uses: actions/upload-artifact@v3
           with:
             name: swift-armv7
             path: ./build/swift-armv7.tar.gz
+        - name: Archive LLVM Build artifacts
+          uses: actions/upload-artifact@v3
+          with:
+            name: llvm-swift
+            path: ./build/llvm-install

.gitignore

@@ -1,5 +1,6 @@
 build
 downloads
+llvm*
 .config
 .build
 *-armv7

Dockerfile

@@ -1,17 +1,14 @@
-FROM swift:5.6.1-focal
+FROM swift:5.7-jammy
 
 # Install dependencies
 RUN export DEBIAN_FRONTEND=noninteractive DEBCONF_NONINTERACTIVE_SEEN=true && apt-get -q update && \
     apt-get -q install -y \
-    llvm-12-dev \
     ninja-build \
-    proot \
     wget \
     build-essential \
     bash \
     bc \
     binutils \
-    build-essential \
     bzip2 \
     cpio \
     g++ \
@@ -24,37 +21,15 @@ RUN export DEBIAN_FRONTEND=noninteractive DEBCONF_NONINTERACTIVE_SEEN=true && ap
     whois \
     patch \
     perl \
-    python \
+    python3 \
     rsync \
     sed \
     tar \
     unzip \
+    cmake \
+    gnupg \
     && rm -r /var/lib/apt/lists/*
 
-# Install latest Cmake
-RUN set -e; \
-    ARCH_NAME="$(dpkg --print-architecture)"; \
-    case "${ARCH_NAME##*-}" in \
-        'amd64') \
-            OS_ARCH_SUFFIX='-x86_64'; \
-            ;; \
-        'arm64') \
-            OS_ARCH_SUFFIX='-aarch64'; \
-            ;; \
-        *) echo >&2 "error: unsupported architecture: '$ARCH_NAME'"; exit 1 ;; \
-    esac; \
-    export CMAKE_VERSION="cmake-3.22.4-linux$OS_ARCH_SUFFIX"; \
-    cd /tmp; \
-    wget "https://github.com/Kitware/CMake/releases/download/v3.22.4/$CMAKE_VERSION.tar.gz"; \
-    tar -xf $CMAKE_VERSION.tar.gz; \
-    rm -rf $CMAKE_VERSION.tar.gz; \
-    rm -rf $CMAKE_VERSION/man; \
-    cp -rf $CMAKE_VERSION/* /usr/local/; \
-    rm -rf $CMAKE_VERSION;
-
-# Modify LLVM headers
-RUN cp /usr/lib/llvm-12/include/llvm/Config/llvm-config.h /usr/lib/llvm-12/include/llvm/Config/config.h
-
 # Copy files
 WORKDIR /usr/src/swift-armv7
 COPY . .

README.md

@@ -6,12 +6,9 @@ Swift runtime for Linux Armv7
 Set the required environment variables for the scripts:
 
 ```
-export SRC_ROOT=/home/coleman/Developer/swift-armv7
 export STAGING_DIR="${STAGING_DIR:=$SRC_ROOT/bullseye-armv7}"
 export SWIFT_NATIVE_PATH="${SWIFT_NATIVE_PATH:=/usr/bin}"
-export SWIFT_LLVM_DIR="${SWIFT_LLVM_DIR:=/usr/lib/llvm-12}"
 ```
 
-If using Debian or Ubuntu, install the `llvm-12` package for LLVM headers.
 Make sure the Debian Bullseye armhf sysroot is at `STAGING_DIR` and `SWIFT_NATIVE_PATH` points to your Swift compiler installation.
-`SWIFT_PACKAGE_SRCDIR` can be set to the root of your own packages to cross compile them using `build-swift-package.sh`.
+`SWIFT_PACKAGE_SRCDIR` can be set to the root of your own packages to cross compile them using `build-swift-package.sh`.

build-llvm.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+set -e
+source swift-define
+
+echo "Create LLVM build folder ${LLVM_BUILDDIR}"
+mkdir -p $LLVM_BUILDDIR
+mkdir -p $LLVM_INSTALL_PREFIX
+
+echo "Configure LLVM"
+cmake -S $LLVM_SRCDIR/llvm -B $LLVM_BUILDDIR -G Ninja \
+		-DCMAKE_INSTALL_PREFIX=${LLVM_INSTALL_PREFIX} \
+        -DCMAKE_C_COMPILER=$SWIFT_NATIVE_PATH/clang \
+        -DCMAKE_CXX_COMPILER=$SWIFT_NATIVE_PATH/clang++ \
+        -DLLVM_ENABLE_PROJECTS="llvm" \
+        -DCMAKE_BUILD_TYPE=Release
+
+echo "Build LLVM"
+(cd $LLVM_BUILDDIR && ninja)
+
+echo "Install LLVM"
+(cd $LLVM_BUILDDIR && ninja install)

build-swift-stdlib.sh

@@ -28,8 +28,8 @@ LIBS="-latomic" cmake -S $SWIFT_SRCDIR -B $SWIFT_BUILDDIR -G Ninja \
         -DCMAKE_CXX_LINK_FLAGS="${LINK_FLAGS}" \
 		-DSWIFT_USE_LINKER=lld \
         -DLLVM_USE_LINKER=lld \
-        -DLLVM_DIR=${SWIFT_LLVM_DIR}/lib/cmake/llvm \
-        -DLLVM_BUILD_LIBRARY_DIR=${SWIFT_LLVM_DIR} \
+        -DLLVM_DIR=${LLVM_INSTALL_PREFIX}/lib/cmake/llvm \
+        -DLLVM_BUILD_LIBRARY_DIR=${LLVM_INSTALL_PREFIX} \
         -DLLVM_TEMPORARILY_ALLOW_OLD_TOOLCHAIN=ON \
         -DSWIFT_BUILD_RUNTIME_WITH_HOST_COMPILER=ON \
         -DSWIFT_NATIVE_CLANG_TOOLS_PATH=$SWIFT_NATIVE_PATH \

build.sh

@@ -1,8 +1,15 @@
 #!/bin/bash
 set -e
+source swift-define
+
 # Fetch and patch sources
 ./fetch-sources.sh
 # Build runtime
+if [[ -d "$LLVM_INSTALL_PREFIX" ]]; then
+    echo "Using built LLVM"
+else
+    ./build-llvm.sh
+fi
 ./build-swift-stdlib.sh
 ./build-dispatch.sh
 ./build-foundation.sh

fetch-sources.sh

@@ -13,54 +13,22 @@ if test -f "$DOWNLOAD_FILE"; then
     echo "$DOWNLOAD_FILE exists"
 else
     echo "Download Swift ${SWIFT_VERSION}"
-    wget $SRCURL -O $DOWNLOAD_FILE
+    wget -q $SRCURL -O $DOWNLOAD_FILE
 fi
 rm -rf $SRCDIR
 mkdir -p $SRCDIR
 tar -xf $DOWNLOAD_FILE -C ./downloads
 
-# Apply Swift patches
-echo "Apply Swift patches"
-DOWNLOAD_FILE=./downloads/swift-stdlib-refcount.patch
-SRCURL=https://gist.githubusercontent.com/colemancda/ed295f963493726b1c01a6bc97945a3d/raw/8392d963c96ee5c910b816734afca4295a7e09c7/RefCount.patch
-if test -f "$DOWNLOAD_FILE"; then
-    echo "$DOWNLOAD_FILE exists"
-else
-    echo "Download ${DOWNLOAD_FILE}"
-    wget $SRCURL -O $DOWNLOAD_FILE
-fi
-patch ./downloads/swift-$SWIFT_VERSION/stdlib/public/SwiftShims/RefCount.h $DOWNLOAD_FILE 
-
 DOWNLOAD_FILE=./downloads/swift-stdlib-float16.patch
 SRCURL=https://gist.githubusercontent.com/colemancda/ed295f963493726b1c01a6bc97945a3d/raw/8392d963c96ee5c910b816734afca4295a7e09c7/Float16.patch
 if test -f "$DOWNLOAD_FILE"; then
     echo "$DOWNLOAD_FILE exists"
 else
     echo "Download ${DOWNLOAD_FILE}"
-    wget $SRCURL -O $DOWNLOAD_FILE
+    wget -q $SRCURL -O $DOWNLOAD_FILE
 fi
 patch ./downloads/swift-$SWIFT_VERSION/stdlib/public/runtime/Float16Support.cpp $DOWNLOAD_FILE
 
-DOWNLOAD_FILE=./downloads/swift-stdlib-AtomicWaitQueue.patch
-SRCURL=https://gist.githubusercontent.com/colemancda/d88a775f2bf3e234f4fa705c46b66b37/raw/1d8d54f23f5564f847ab39c65b59d287bba4f333/swift-5.6-AtomicWaitQueue.patch
-if test -f "$DOWNLOAD_FILE"; then
-    echo "$DOWNLOAD_FILE exists"
-else
-    echo "Download ${DOWNLOAD_FILE}"
-    wget $SRCURL -O $DOWNLOAD_FILE
-fi
-patch ./downloads/swift-$SWIFT_VERSION/include/swift/Runtime/AtomicWaitQueue.h $DOWNLOAD_FILE
-
-DOWNLOAD_FILE=./downloads/swift-stdlib-HeapObject.patch
-SRCURL=https://gist.github.com/colemancda/d88a775f2bf3e234f4fa705c46b66b37/raw/1d8d54f23f5564f847ab39c65b59d287bba4f333/swift-5.6-HeapObject-cxx-newObject.patch
-if test -f "$DOWNLOAD_FILE"; then
-    echo "$DOWNLOAD_FILE exists"
-else
-    echo "Download ${DOWNLOAD_FILE}"
-    wget $SRCURL -O $DOWNLOAD_FILE
-fi
-patch ./downloads/swift-$SWIFT_VERSION/include/swift/Runtime/HeapObject.h $DOWNLOAD_FILE
-
 # Download Dispatch
 DOWNLOAD_FILE=./downloads/libdispatch-${SWIFT_VERSION}.tar.gz
 SRCDIR=./downloads/swift-corelibs-libdispatch-$SWIFT_VERSION
@@ -69,24 +37,12 @@ if test -f "$DOWNLOAD_FILE"; then
     echo "$DOWNLOAD_FILE exists"
 else
     echo "Download Dispatch ${SWIFT_VERSION}"
-    wget $SRCURL -O $DOWNLOAD_FILE
+    wget -q $SRCURL -O $DOWNLOAD_FILE
 fi
 rm -rf $SRCDIR
 mkdir -p $SRCDIR
 tar -xf $DOWNLOAD_FILE -C ./downloads
 
-# Apply Dispatch patches
-echo "Apply Dispatch patches"
-DOWNLOAD_FILE=./downloads/libdispatch-yield.patch
-SRCURL=https://gist.githubusercontent.com/colemancda/a7c116250ceb601da5b408a4fd36f239/raw/7de75208472e5ce04954715ea5b59d7980ce57ff/arm-yield.patch
-if test -f "$DOWNLOAD_FILE"; then
-    echo "$DOWNLOAD_FILE exists"
-else
-    echo "Download ${DOWNLOAD_FILE}"
-    wget $SRCURL -O $DOWNLOAD_FILE
-fi
-patch ./downloads/swift-corelibs-libdispatch-$SWIFT_VERSION/src/shims/yield.c $DOWNLOAD_FILE 
-
 # Download Foundation
 DOWNLOAD_FILE=./downloads/foundation-${SWIFT_VERSION}.tar.gz
 SRCDIR=./downloads/swift-corelibs-foundation-$SWIFT_VERSION
@@ -95,7 +51,7 @@ if test -f "$DOWNLOAD_FILE"; then
     echo "$DOWNLOAD_FILE exists"
 else
     echo "Download Foundation ${SWIFT_VERSION}"
-    wget $SRCURL -O $DOWNLOAD_FILE
+    wget -q $SRCURL -O $DOWNLOAD_FILE
 fi
 rm -rf $SRCDIR
 mkdir -p $SRCDIR
@@ -109,8 +65,22 @@ if test -f "$DOWNLOAD_FILE"; then
     echo "$DOWNLOAD_FILE exists"
 else
     echo "Download XCTest ${SWIFT_VERSION}"
-    wget $SRCURL -O $DOWNLOAD_FILE
+    wget -q $SRCURL -O $DOWNLOAD_FILE
 fi
 rm -rf $SRCDIR
 mkdir -p $SRCDIR
 tar -xf $DOWNLOAD_FILE -C ./downloads
+
+# Download LLVM
+DOWNLOAD_FILE=./downloads/llvm-${SWIFT_VERSION}.tar.gz
+SRCDIR=./downloads/llvm-project-$SWIFT_VERSION
+SRCURL=https://github.com/apple/llvm-project/archive/refs/tags/$SWIFT_VERSION.tar.gz
+if test -f "$DOWNLOAD_FILE"; then
+    echo "$DOWNLOAD_FILE exists"
+else
+    echo "Download LLVM ${SWIFT_VERSION}"
+    wget $SRCURL -O $DOWNLOAD_FILE
+fi
+rm -rf $SRCDIR
+mkdir -p $SRCDIR
+tar -xf $DOWNLOAD_FILE -C ./downloads

swift-define

@@ -1,19 +1,21 @@
 # Version
-SWIFT_VERSION=swift-5.6.1-RELEASE
+SWIFT_VERSION=swift-5.7-RELEASE
 SWIFT_TARGET_ARCH=armv7
 SWIFT_TARGET_NAME=armv7-unknown-linux-gnueabihf
 
 # Configurable
-SRC_ROOT="${SRC_ROOT:=/usr/src/swift-armv7}"
+SRC_ROOT="${SRC_ROOT:=$(pwd)}"
 STAGING_DIR="${STAGING_DIR:=$SRC_ROOT/bullseye-armv7}"
 SWIFT_NATIVE_PATH="${SWIFT_NATIVE_PATH:=/usr/bin}"
-SWIFT_LLVM_DIR="${SWIFT_LLVM_DIR:=/usr/lib/llvm-12}"
 SWIFT_BUILD_CONFIGURATION="${SWIFT_BUILD_CONFIGURATION:=Release}"
 SWIFTPM_CONFIGURATION="${SWIFTPM_CONFIGURATION:=release}"
 SWIFT_PACKAGE_SRCDIR="${SWIFT_PACKAGE_SRCDIR:=$SRC_ROOT/swift-hello}"
 SWIFT_PACKAGE_BUILDDIR="${SWIFT_PACKAGE_BUILDDIR:=$SWIFT_PACKAGE_SRCDIR/.build}"
 
 # Build Paths
+LLVM_SRCDIR=$SRC_ROOT/downloads/llvm-project-$SWIFT_VERSION
+LLVM_BUILDDIR=$SRC_ROOT/build/llvm
+LLVM_INSTALL_PREFIX=$SRC_ROOT/build/llvm-install
 SWIFT_SRCDIR=$SRC_ROOT/downloads/swift-$SWIFT_VERSION
 SWIFT_BUILDDIR=$SRC_ROOT/build/swift-$SWIFT_TARGET_ARCH
 SWIFT_INSTALL_PREFIX=$SRC_ROOT/build/swift-$SWIFT_TARGET_ARCH-install/usr