ladybird/Toolchain/BuildIt.sh
2021-04-20 23:23:23 +02:00

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#!/usr/bin/env bash
set -e
# This file will need to be run in bash, for now.
# === CONFIGURATION AND SETUP ===
DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
echo "$DIR"
ARCH=${ARCH:-"i686"}
TARGET="$ARCH-pc-serenity"
PREFIX="$DIR/Local/$ARCH"
BUILD="$DIR/../Build/$ARCH"
SYSROOT="$BUILD/Root"
MAKE="make"
MD5SUM="md5sum"
NPROC="nproc"
REALPATH="realpath"
if command -v ginstall &>/dev/null; then
INSTALL=ginstall
else
INSTALL=install
fi
SYSTEM_NAME="$(uname -s)"
# We *most definitely* don't need debug symbols in the linker/compiler.
# This cuts the uncompressed size from 1.2 GiB per Toolchain down to about 120 MiB.
# Hence, this might actually cause marginal speedups, although the point is to not waste space as blatantly.
export CFLAGS="-g0 -O2"
export CXXFLAGS="-g0 -O2"
if [ "$SYSTEM_NAME" = "OpenBSD" ]; then
MAKE=gmake
MD5SUM="md5 -q"
NPROC="sysctl -n hw.ncpuonline"
REALPATH="readlink -f"
export CC=egcc
export CXX=eg++
export with_gmp=/usr/local
export LDFLAGS=-Wl,-z,notext
elif [ "$SYSTEM_NAME" = "FreeBSD" ]; then
MAKE=gmake
MD5SUM="md5 -q"
NPROC="sysctl -n hw.ncpu"
export with_gmp=/usr/local
export with_mpfr=/usr/local
fi
# On at least OpenBSD, the path must exist to call realpath(3) on it
if [ ! -d "$BUILD" ]; then
mkdir -p "$BUILD"
fi
BUILD=$($REALPATH "$BUILD")
git_patch=
while [ "$1" != "" ]; do
case $1 in
--dev ) git_patch=1
;;
esac
shift
done
echo PREFIX is "$PREFIX"
echo SYSROOT is "$SYSROOT"
mkdir -p "$DIR/Tarballs"
BINUTILS_VERSION="2.36.1"
BINUTILS_MD5SUM="3df9c3bbd944f9b57c1496f06741197b"
BINUTILS_NAME="binutils-$BINUTILS_VERSION"
BINUTILS_PKG="${BINUTILS_NAME}.tar.gz"
BINUTILS_BASE_URL="http://ftp.gnu.org/gnu/binutils"
GCC_VERSION="10.3.0"
GCC_MD5SUM="87910940d70e845f2bf1a57997b6220c"
GCC_NAME="gcc-$GCC_VERSION"
GCC_PKG="${GCC_NAME}.tar.gz"
GCC_BASE_URL="http://ftp.gnu.org/gnu/gcc"
buildstep() {
NAME=$1
shift
"$@" 2>&1 | sed $'s|^|\x1b[34m['"${NAME}"$']\x1b[39m |'
}
# === CHECK CACHE AND REUSE ===
pushd "$DIR"
if [ "${TRY_USE_LOCAL_TOOLCHAIN}" = "y" ] ; then
# The actual logic had to be moved to .github/workflows/cmake.yml.
# Github Actions guarantees that Toolchain/Cache/ is empty on a cache
# miss, and non-empty on a cache hit.
# The following logic is correct *only* because of that.
mkdir -p Cache
echo "Cache (before):"
ls -l Cache
CACHED_TOOLCHAIN_ARCHIVE="Cache/ToolchainBinariesGithubActions.tar.gz"
if [ -r "${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 ${CACHED_TOOLCHAIN_ARCHIVE} does not exist."
echo "Will rebuild toolchain from scratch, and save the result."
fi
echo "::group::Actually building Toolchain"
fi
popd
# === DOWNLOAD AND PATCH ===
pushd "$DIR/Tarballs"
md5="$($MD5SUM $BINUTILS_PKG | cut -f1 -d' ')"
echo "bu md5='$md5'"
if [ ! -e $BINUTILS_PKG ] || [ "$md5" != ${BINUTILS_MD5SUM} ] ; then
rm -f $BINUTILS_PKG
curl -LO "$BINUTILS_BASE_URL/$BINUTILS_PKG"
else
echo "Skipped downloading binutils"
fi
md5="$($MD5SUM ${GCC_PKG} | cut -f1 -d' ')"
echo "gc md5='$md5'"
if [ ! -e $GCC_PKG ] || [ "$md5" != ${GCC_MD5SUM} ] ; then
rm -f $GCC_PKG
curl -LO "$GCC_BASE_URL/$GCC_NAME/$GCC_PKG"
else
echo "Skipped downloading gcc"
fi
if [ -d ${BINUTILS_NAME} ]; then
rm -rf "${BINUTILS_NAME}"
rm -rf "$DIR/Build/$ARCH/$BINUTILS_NAME"
fi
echo "Extracting binutils..."
tar -xzf ${BINUTILS_PKG}
pushd ${BINUTILS_NAME}
if [ "$git_patch" = "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
if [ -d ${GCC_NAME} ]; then
# Drop the previously patched extracted dir
rm -rf "${GCC_NAME}"
# Also drop the build dir
rm -rf "$DIR/Build/$ARCH/$GCC_NAME"
fi
echo "Extracting gcc..."
tar -xzf $GCC_PKG
pushd $GCC_NAME
if [ "$git_patch" = "1" ]; then
git init > /dev/null
git add . > /dev/null
git commit -am "BASE" > /dev/null
git apply "$DIR"/Patches/gcc.patch > /dev/null
else
patch -p1 < "$DIR/Patches/gcc.patch" > /dev/null
fi
$MD5SUM "$DIR/Patches/gcc.patch" > .patch.applied
popd
if [ "$SYSTEM_NAME" = "Darwin" ]; then
pushd "gcc-${GCC_VERSION}"
./contrib/download_prerequisites
popd
fi
popd
# === COMPILE AND INSTALL ===
rm -rf "$PREFIX"
mkdir -p "$PREFIX"
if [ -z "$MAKEJOBS" ]; then
MAKEJOBS=$($NPROC)
fi
mkdir -p "$DIR/Build/$ARCH"
pushd "$DIR/Build/$ARCH"
unset PKG_CONFIG_LIBDIR # Just in case
rm -rf binutils
mkdir -p binutils
pushd binutils
echo "XXX configure binutils"
buildstep "binutils/configure" "$DIR"/Tarballs/$BINUTILS_NAME/configure --prefix="$PREFIX" \
--target="$TARGET" \
--with-sysroot="$SYSROOT" \
--enable-shared \
--disable-nls \
${TRY_USE_LOCAL_TOOLCHAIN:+"--quiet"} || exit 1
if [ "$SYSTEM_NAME" = "Darwin" ]; then
# under macOS generated makefiles are not resolving the "intl"
# dependency properly to allow linking its own copy of
# libintl when building with --enable-shared.
buildstep "binutils/build" "$MAKE" -j "$MAKEJOBS" || true
pushd intl
buildstep "binutils/build" "$MAKE" all-yes
popd
fi
echo "XXX build binutils"
buildstep "binutils/build" "$MAKE" -j "$MAKEJOBS" || exit 1
buildstep "binutils/install" "$MAKE" install || exit 1
popd
echo "XXX serenity libc, libm and libpthread headers"
mkdir -p "$BUILD"
pushd "$BUILD"
mkdir -p Root/usr/include/
SRC_ROOT=$($REALPATH "$DIR"/..)
FILES=$(find "$SRC_ROOT"/Userland/Libraries/LibC "$SRC_ROOT"/Userland/Libraries/LibM "$SRC_ROOT"/Userland/Libraries/LibPthread -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@@")
buildstep "system_headers" $INSTALL -D "$header" "Root/usr/include/$target"
done
unset SRC_ROOT
popd
if [ "$SYSTEM_NAME" = "OpenBSD" ]; then
perl -pi -e 's/-no-pie/-nopie/g' "$DIR/Tarballs/gcc-$GCC_VERSION/gcc/configure"
fi
if [ ! -f $DIR/Tarballs/gcc-$GCC_VERSION/gcc/config/serenity-userland.h ]; then
cp $DIR/Tarballs/gcc-$GCC_VERSION/gcc/config/serenity.h $DIR/Tarballs/gcc-$GCC_VERSION/gcc/config/serenity-kernel.h
fi
for STAGE in Userland Kernel; do
rm -rf gcc
mkdir -p gcc
pushd gcc
TEMPTARGET="$BUILD/Temp"
rm -rf "$TEMPTARGET"
echo "XXX configure gcc and libgcc"
if [ "$STAGE" = "Userland" ]; then
REALTARGET="$PREFIX"
else
REALTARGET="$PREFIX/Kernel"
fi
cp $DIR/Tarballs/gcc-$GCC_VERSION/gcc/config/serenity-kernel.h $DIR/Tarballs/gcc-$GCC_VERSION/gcc/config/serenity.h
if [ "$STAGE" = "Userland" ]; then
sed -i='' 's@-fno-exceptions @@' $DIR/Tarballs/gcc-$GCC_VERSION/gcc/config/serenity.h
fi
buildstep "gcc/configure/${STAGE,,}" "$DIR/Tarballs/gcc-$GCC_VERSION/configure" --prefix="$PREFIX" \
--target="$TARGET" \
--with-sysroot="$SYSROOT" \
--disable-nls \
--with-newlib \
--enable-shared \
--enable-languages=c,c++ \
--enable-default-pie \
--enable-lto \
--enable-threads=posix \
${TRY_USE_LOCAL_TOOLCHAIN:+"--quiet"} || exit 1
if [ "$STAGE" = "Userland" ]; then
echo "XXX build gcc and libgcc"
buildstep "gcc/build" "$MAKE" -j "$MAKEJOBS" all-gcc || exit 1
if [ "$SYSTEM_NAME" = "OpenBSD" ]; then
ln -sf liblto_plugin.so.0.0 gcc/liblto_plugin.so
fi
buildstep "libgcc/build" "$MAKE" -j "$MAKEJOBS" all-target-libgcc || exit 1
echo "XXX install gcc and libgcc"
buildstep "gcc+libgcc/install" "$MAKE" DESTDIR=$TEMPTARGET install-gcc install-target-libgcc || exit 1
fi
echo "XXX build libstdc++"
buildstep "libstdc++/build/${STAGE,,}" "$MAKE" -j "$MAKEJOBS" all-target-libstdc++-v3 || exit 1
echo "XXX install libstdc++"
buildstep "libstdc++/install/${STAGE,,}" "$MAKE" DESTDIR=$TEMPTARGET install-target-libstdc++-v3 || exit 1
mkdir -p "$REALTARGET"
cp -a $TEMPTARGET/$PREFIX/* "$REALTARGET/"
rm -rf "$TEMPTARGET"
popd
if [ "$STAGE" = "Userland" ]; then
if [ "$SYSTEM_NAME" = "OpenBSD" ]; then
cd "$DIR/Local/${ARCH}/libexec/gcc/$TARGET/$GCC_VERSION" && ln -sf liblto_plugin.so.0.0 liblto_plugin.so
fi
fi
done
popd
# == SAVE TO CACHE ==
pushd "$DIR"
if [ "${TRY_USE_LOCAL_TOOLCHAIN}" = "y" ] ; then
echo "::endgroup::"
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