ladybird/Toolchain/BuildClang.sh
Nico Weber 17ab44e7d7 Meta: Make BuildClang.sh produce less output when running in a TTY
Ninja disables its fancy output mode when it's not writing to a TTY.
So don't pipe its output into something else, so that it writes to
a TTY if the invoking terminal is a TTY.
2021-09-07 20:29:22 +01:00

422 lines
14 KiB
Bash
Executable file

#!/usr/bin/env bash
set -eo pipefail
# === CONFIGURATION AND SETUP ===
DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
echo "$DIR"
ARCH=${ARCH:-"i686"}
LLVM_ARCH=
[ "$ARCH" = "i686" ] && LLVM_ARCH="i386" || LLVM_ARCH="$ARCH"
LLVM_TARGET="$LLVM_ARCH-pc-serenity"
PREFIX="$DIR/Local/clang/$ARCH"
BUILD="$DIR/../Build/clang/$ARCH"
SYSROOT="$BUILD/Root"
MD5SUM="md5sum"
REALPATH="realpath"
MAKE="make"
NPROC="nproc"
SYSTEM_NAME="$(uname -s)"
if [ "$SYSTEM_NAME" = "OpenBSD" ]; then
MD5SUM="md5 -q"
REALPATH="readlink -f"
MAKE="gmake"
NPROC="sysctl -n hw.ncpuonline"
export CC=egcc
export CXX=eg++
export LDFLAGS=-Wl,-z,notext
elif [ "$SYSTEM_NAME" = "FreeBSD" ]; then
MD5SUM="md5 -q"
MAKE="gmake"
NPROC="sysctl -n hw.ncpu"
fi
if [ -z "$MAKEJOBS" ]; then
MAKEJOBS=$($NPROC)
fi
if [ ! -d "$BUILD" ]; then
mkdir -p "$BUILD"
fi
BUILD=$($REALPATH "$BUILD")
dev=
while [ "$1" != "" ]; do
case $1 in
--dev ) dev=1
;;
esac
shift
done
echo PREFIX is "$PREFIX"
echo SYSROOT is "$SYSROOT"
mkdir -p "$DIR/Tarballs"
LLVM_VERSION="12.0.1"
LLVM_MD5SUM="c28061313a4f1b7d74cd491a19f569b4"
LLVM_NAME="llvm-project-$LLVM_VERSION.src"
LLVM_PKG="$LLVM_NAME.tar.xz"
LLVM_URL="https://github.com/llvm/llvm-project/releases/download/llvmorg-$LLVM_VERSION/$LLVM_PKG"
# We need GNU binutils because we use a feature that llvm-objdump doesn't support yet.
BINUTILS_VERSION="2.37"
BINUTILS_MD5SUM="1e55743d73c100b7a0d67ffb32398cdb"
BINUTILS_NAME="binutils-$BINUTILS_VERSION"
BINUTILS_PKG="${BINUTILS_NAME}.tar.gz"
BINUTILS_BASE_URL="https://ftp.gnu.org/gnu/binutils"
buildstep() {
NAME=$1
shift
"$@" 2>&1 | sed $'s|^|\e[34m['"${NAME}"$']\e[39m |'
}
buildstep_ninja() {
# When ninja writes to a pipe, it strips ANSI escape codes and prints one line per buildstep.
# Instead, use NINJA_STATUS so that we get colored output from LLVM's build and fewer lines of output when running in a tty.
# ANSI escape codes in NINJA_STATUS are slightly janky (ninja thinks that "\e[34m" needs 5 output characters instead of 5, so
# it's middle elision is slightly off; also it would happily elide the "\e39m" which messes up the output if the terminal is too
# narrow), but it's still working better than the alternative.
NAME=$1
shift
env NINJA_STATUS=$'\e[34m['"${NAME}"$']\e[39m [%f/%t] ' "$@"
}
# === DEPENDENCIES ===
buildstep dependencies echo "Checking whether 'make' is available..."
if ! command -v ${MAKE:-make} >/dev/null; then
buildstep dependencies echo "Please make sure to install GNU Make (for the '${MAKE:-make}' tool)."
exit 1
fi
buildstep dependencies echo "Checking whether CMake is available..."
if ! command -v cmake >/dev/null; then
buildstep dependencies echo "Please make sure to install CMake."
exit 1
fi
buildstep dependencies echo "Checking whether 'patch' is available..."
if ! command -v patch >/dev/null; then
buildstep dependencies echo "Please make sure to install GNU patch."
fi
buildstep dependencies echo "Checking whether your C compiler works..."
if ! ${CC:-cc} -o /dev/null -xc - >/dev/null <<'PROGRAM'
int main() {}
PROGRAM
then
buildstep dependencies echo "Please make sure to install a working C compiler."
exit 1
fi
buildstep dependencies echo "Checking whether your C++ compiler works..."
if ! ${CXX:-c++} -o /dev/null -xc - >/dev/null <<'PROGRAM'
int main() {}
PROGRAM
then
buildstep dependencies echo "Please make sure to install a working C++ compiler."
exit 1
fi
# === CHECK CACHE AND REUSE ===
pushd "$DIR"
if [ "$TRY_USE_LOCAL_TOOLCHAIN" = "y" ]; then
mkdir -p Cache
echo "Cache (before):"
ls -l Cache
CACHED_TOOLCHAIN_ARCHIVE="Cache/ToolchainBinariesGithubActions.tar.gz"
if [ -r "${CACHED_TOOLCHAIN_ARCHIVE}" ] ; then
echo "Cache at ${CACHED_TOOLCHAIN_ARCHIVE} exists!"
echo "Extracting toolchain from cache:"
if tar xzf "${CACHED_TOOLCHAIN_ARCHIVE}" ; then
echo "Done 'building' the toolchain."
echo "Cache unchanged."
exit 0
else
echo
echo
echo
echo "Could not extract cached toolchain archive."
echo "This means the cache is broken and *should be removed*!"
echo "As Github Actions cannot update a cache, this will unnecessarily"
echo "slow down all future builds for this hash, until someone"
echo "resets the cache."
echo
echo
echo
rm -f "${CACHED_TOOLCHAIN_ARCHIVE}"
fi
else
echo "Cache at ${CACHED_TOOLCHAIN_ARCHIVE} does not exist."
echo "Will rebuild toolchain from scratch, and save the result."
fi
fi
echo "::group::Actually building Toolchain"
popd
# === DOWNLOAD AND PATCH ===
pushd "$DIR/Tarballs"
md5=""
if [ -e "$LLVM_PKG" ]; then
md5="$($MD5SUM ${LLVM_PKG} | cut -f1 -d' ')"
echo "llvm md5='$md5'"
fi
if [ "$md5" != "$LLVM_MD5SUM" ] ; then
rm -f "$LLVM_PKG"
curl -LO "$LLVM_URL"
else
echo "Skipped downloading LLVM"
fi
if [ -d "$LLVM_NAME" ]; then
# Drop the previously patched extracted dir
rm -rf "${LLVM_NAME}"
# Also drop the build dir
rm -rf "$DIR/Build/clang/$ARCH"
fi
echo "Extracting LLVM..."
tar -xJf "$LLVM_PKG"
pushd "$LLVM_NAME"
if [ "$dev" = "1" ]; then
git init > /dev/null
git add . > /dev/null
git commit -am "BASE" > /dev/null
git apply "$DIR"/Patches/llvm.patch > /dev/null
else
patch -p1 < "$DIR/Patches/llvm.patch" > /dev/null
fi
$MD5SUM "$DIR/Patches/llvm.patch" > .patch.applied
popd
md5=""
if [ -e "$BINUTILS_PKG" ]; then
md5="$($MD5SUM $BINUTILS_PKG | cut -f1 -d' ')"
echo "bu md5='$md5'"
fi
if [ "$md5" != "$BINUTILS_MD5SUM" ]; then
rm -f "$BINUTILS_PKG"
curl -LO "$BINUTILS_BASE_URL/$BINUTILS_PKG"
else
echo "Skipped downloading GNU binutils"
fi
if [ -d "$BINUTILS_NAME" ]; then
rm -rf "$BINUTILS_NAME"
rm -rf "$DIR/Build/clang/$ARCH/binutils"
fi
echo "Extracting GNU binutils"
tar -xzf "$BINUTILS_PKG"
pushd "$BINUTILS_NAME"
if [ "$dev" = "1" ]; then
git init > /dev/null
git add . > /dev/null
git commit -am "BASE" > /dev/null
git apply "$DIR"/Patches/binutils.patch > /dev/null
else
patch -p1 < "$DIR/Patches/binutils.patch" > /dev/null
fi
$MD5SUM "$DIR/Patches/binutils.patch" > .patch.applied
popd
popd
# === COPY SERENITYOS HEADERS ===
mkdir -p "$BUILD"
pushd "$BUILD"
mkdir -p Root/usr/include/
SRC_ROOT=$($REALPATH "$DIR"/..)
FILES=$(find "$SRC_ROOT"/Kernel/API "$SRC_ROOT"/Userland/Libraries/LibC "$SRC_ROOT"/Userland/Libraries/LibM "$SRC_ROOT"/Userland/Libraries/LibPthread "$SRC_ROOT"/Userland/Libraries/LibDl -name '*.h' -print)
for header in $FILES; do
target=$(echo "$header" | sed -e "s@$SRC_ROOT/Userland/Libraries/LibC@@" -e "s@$SRC_ROOT/Userland/Libraries/LibM@@" -e "s@$SRC_ROOT/Userland/Libraries/LibPthread@@" -e "s@$SRC_ROOT/Userland/Libraries/LibDl@@" -e "s@$SRC_ROOT/Kernel/@Kernel/@")
buildstep "system_headers" install -D "$header" "Root/usr/include/$target"
done
unset SRC_ROOT
popd
# === COMPILE AND INSTALL ===
rm -rf "$PREFIX"
mkdir -p "$PREFIX"
mkdir -p "$DIR/Build/clang/$ARCH"
pushd "$DIR/Build/clang/$ARCH"
mkdir -p llvm
pushd llvm
buildstep "llvm+clang/configure" cmake "$DIR/Tarballs/llvm-project-$LLVM_VERSION.src/llvm" \
-G Ninja \
-DCMAKE_BUILD_TYPE="MinSizeRel" \
-DCMAKE_INSTALL_PREFIX="$PREFIX" \
-DLLVM_DEFAULT_TARGET_TRIPLE="$LLVM_TARGET" \
'-DLLVM_TARGETS_TO_BUILD=X86;AArch64' \
-DLLVM_ENABLE_BINDINGS=OFF \
-DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=OFF \
-DLLVM_ENABLE_PROJECTS="clang;lld" \
-DLLVM_INCLUDE_BENCHMARKS=OFF \
-DLLVM_INCLUDE_TESTS=OFF \
-DLLVM_LINK_LLVM_DYLIB=ON \
-DLLVM_INSTALL_UTILS=OFF \
${dev:+"-DLLVM_CCACHE_BUILD=ON"} || exit 1
buildstep_ninja "llvm+clang/build" ninja -j "$MAKEJOBS" || exit 1
buildstep "llvm+clang/install" ninja install || exit 1
popd
LLVM_COMPILER_FLAGS="-target $LLVM_TARGET --sysroot $SYSROOT -ftls-model=initial-exec -ffreestanding -nostdlib -nostdlib++"
mkdir -p "compiler-rt"
pushd compiler-rt
buildstep "compiler-rt/configure" cmake "$DIR/Tarballs/llvm-project-$LLVM_VERSION.src/compiler-rt" \
-GNinja \
-DCMAKE_SYSROOT="$SYSROOT" \
-DCMAKE_INSTALL_PREFIX="$PREFIX/lib/clang/${LLVM_VERSION}" \
-DCMAKE_BUILD_TYPE="Release" \
-DCMAKE_AR="$PREFIX/bin/llvm-ar" \
-DCMAKE_C_COMPILER="$PREFIX/bin/clang" \
-DCMAKE_C_COMPILER_TARGET="$LLVM_TARGET" \
-DCMAKE_C_FLAGS="$LLVM_COMPILER_FLAGS" \
-DCMAKE_CXX_COMPILER="$PREFIX/bin/clang++" \
-DCMAKE_CXX_FLAGS="$LLVM_COMPILER_FLAGS" \
-DCMAKE_CXX_COMPILER_TARGET="$LLVM_TARGET" \
-DCMAKE_ASM_COMPILER="$PREFIX/bin/clang" \
-DCMAKE_ASM_COMPILER_TARGET="$LLVM_TARGET" \
-DCMAKE_ASM_FLAGS="$LLVM_COMPILER_FLAGS" \
-DLLVM_CONFIG_PATH="$PREFIX/bin/llvm-config" \
-DCOMPILER_RT_EXCLUDE_ATOMIC_BUILTIN=OFF \
-DCOMPILER_RT_OS_DIR="serenity" \
-DCOMPILER_RT_DEFAULT_TARGET_ONLY=ON \
-DCOMPILER_RT_BUILD_BUILTINS=ON \
-DCOMPILER_RT_BUILD_CRT=ON \
-DCOMPILER_RT_BUILD_LIBFUZZER=OFF \
-DCOMPILER_RT_BUILD_MEMPROF=OFF \
-DCOMPILER_RT_BUILD_PROFILE=OFF \
-DCOMPILER_RT_BUILD_SANITIZERS=OFF \
-DCOMPILER_RT_BUILD_XRAY=OFF || exit 1
buildstep_ninja "compiler-rt/build" ninja -j "$MAKEJOBS" || exit 1
buildstep "compiler-rt/install" ninja install || exit 1
popd
mkdir -p libunwind
pushd libunwind
buildstep "libunwind/configure" cmake "$DIR/Tarballs/llvm-project-$LLVM_VERSION.src/libunwind" \
-GNinja \
-DCMAKE_BUILD_TYPE="Release" \
-DCMAKE_SYSROOT="$SYSROOT" \
-DCMAKE_C_COMPILER="$PREFIX/bin/clang" \
-DCMAKE_C_COMPILER_TARGET="$LLVM_TARGET" \
-DCMAKE_C_FLAGS="$LLVM_COMPILER_FLAGS" \
-DCMAKE_CXX_COMPILER="$PREFIX/bin/clang++" \
-DCMAKE_CXX_COMPILER_TARGET="$LLVM_TARGET" \
-DCMAKE_CXX_FLAGS="$LLVM_COMPILER_FLAGS" \
-DCMAKE_INSTALL_PREFIX="$PREFIX" \
-DLLVM_CONFIG_PATH="$PREFIX/bin/llvm-config" \
-DLIBUNWIND_TARGET_TRIPLE="$LLVM_TARGET" \
-DLIBUNWIND_SYSROOT="$SYSROOT" || exit 1
buildstep_ninja "libunwind/build" ninja -j "$MAKEJOBS" || exit 1
buildstep "libunwind/install" ninja install || exit 1
popd
mkdir -p libcxxabi
pushd libcxxabi
buildstep "libcxxabi/configure" cmake "$DIR/Tarballs/llvm-project-$LLVM_VERSION.src/libcxxabi" \
-GNinja \
-DCMAKE_BUILD_TYPE="Release" \
-DCMAKE_SYSROOT="$SYSROOT" \
-DCMAKE_C_COMPILER="$PREFIX/bin/clang" \
-DCMAKE_C_COMPILER_TARGET="$LLVM_TARGET" \
-DCMAKE_C_FLAGS="$LLVM_COMPILER_FLAGS" \
-DCMAKE_CXX_COMPILER="$PREFIX/bin/clang++" \
-DCMAKE_CXX_COMPILER_TARGET="$LLVM_TARGET" \
-DCMAKE_CXX_FLAGS="$LLVM_COMPILER_FLAGS" \
-DCMAKE_INSTALL_PREFIX="$PREFIX" \
-DLLVM_CONFIG_PATH="$PREFIX/bin/llvm-config" \
-DLIBCXXABI_STANDALONE_BUILD=ON \
-DLIBCXXABI_ENABLE_EXCEPTIONS=ON \
-DLIBCXXABI_STANDALONE_BUILD=ON \
-DLIBCXXABI_ENABLE_ASSERTIONS=OFF \
-DLIBCXXABI_BAREMETAL=ON || exit 1
buildstep_ninja "libcxxabi/build" ninja -j "$MAKEJOBS" || exit 1
buildstep "libcxxabi/install" ninja install || exit 1
popd
mkdir -p libcxx
pushd libcxx
buildstep "libcxx/configure" cmake "$DIR/Tarballs/llvm-project-$LLVM_VERSION.src/libcxx" \
-G Ninja \
-DCMAKE_BUILD_TYPE="Release" \
-DCMAKE_BINARY_DIR="$PREFIX/usr" \
-DCMAKE_SYSROOT="$SYSROOT" \
-DCMAKE_C_COMPILER="$PREFIX/bin/clang" \
-DCMAKE_C_FLAGS="$LLVM_COMPILER_FLAGS" \
-DCMAKE_CXX_COMPILER="$PREFIX/bin/clang++" \
-DCMAKE_CXX_FLAGS="$LLVM_COMPILER_FLAGS" \
-DCMAKE_INSTALL_PREFIX="$PREFIX" \
-DLLVM_CONFIG_PATH="$PREFIX/bin/llvm-config" \
-DLLVM_BINARY_DIR="$PREFIX/usr" \
-DLIBCXX_INSTALL_LIBRARY=ON \
-DLIBCXX_ENABLE_LOCALIZATION=OFF \
-DLIBCXX_ENABLE_FILESYSTEM=OFF \
-DLIBCXX_INSTALL_HEADERS=ON \
-DLIBCXX_ENABLE_SHARED=ON \
-DLIBCXX_ENABLE_LOCALIZATION=OFF \
-DLIBCXX_ENABLE_STATIC=ON \
-DLIBCXX_CXX_ABI="libcxxabi" \
-DLIBCXX_INCLUDE_BENCHMARKS=OFF || exit 1
buildstep "libcxx/build" ninja -j "$MAKEJOBS" || exit 1
buildstep "libcxx/install" ninja install || exit 1
buildstep "libcxx/install-headers" ninja install-cxx-headers || exit 1
popd
mkdir -p binutils
pushd binutils
buildstep "binutils/configure" "$DIR/Tarballs/$BINUTILS_NAME/configure" --prefix="$PREFIX/binutils" \
--target="$ARCH-pc-serenity" \
--disable-nls \
--disable-gas \
--disable-gold \
--disable-ld \
--disable-gprof \
--enable-shared || exit 1
buildstep "binutils/build" "$MAKE" -j "$MAKEJOBS" || exit 1
buildstep "binutils/install" "$MAKE" install || exit 1
popd
popd
# === REMOVE UNNECESSARY BUILD ARTIFACTS ===
rm -r "$PREFIX"/lib/libclang*.a "$PREFIX"/lib/libLLVM*.a "$PREFIX"/lib/liblld*.a
# === SAVE TO CACHE ===
pushd "$DIR"
if [ "$TRY_USE_LOCAL_TOOLCHAIN" = "y" ]; then
echo "::endgroup::"
echo "Building cache tar:"
echo "Building cache tar:"
rm -f "${CACHED_TOOLCHAIN_ARCHIVE}" # Just in case
tar czf "${CACHED_TOOLCHAIN_ARCHIVE}" Local/
echo "Cache (after):"
ls -l Cache
fi
popd