mirror of
https://github.com/SerenityOS/serenity
synced 2024-07-21 18:15:58 +00:00
eb7b8a7bbe
`LLVM_LLVM_BUILD_LLVM_DYLIB` does not exist, so passing this does nothing but make CMake warn. However, since we pass `LLVM_LINK_LLVM_DYLIB`, `LLVM_BUILD_LLVM_DYLIB` (the correct spelling) defaults to true anyways. So let's pass fewer flags. No behavior change, but fixes a CMake warning.
412 lines
14 KiB
Bash
Executable file
412 lines
14 KiB
Bash
Executable file
#!/usr/bin/env bash
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set -eo pipefail
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# === CONFIGURATION AND SETUP ===
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DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
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echo "$DIR"
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ARCH=${ARCH:-"i686"}
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LLVM_ARCH=
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[ "$ARCH" = "i686" ] && LLVM_ARCH="i386" || LLVM_ARCH="$ARCH"
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LLVM_TARGET="$LLVM_ARCH-pc-serenity"
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PREFIX="$DIR/Local/clang/$ARCH"
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BUILD="$DIR/../Build/clang/$ARCH"
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SYSROOT="$BUILD/Root"
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MD5SUM="md5sum"
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REALPATH="realpath"
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MAKE="make"
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NPROC="nproc"
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SYSTEM_NAME="$(uname -s)"
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if [ "$SYSTEM_NAME" = "OpenBSD" ]; then
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MD5SUM="md5 -q"
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REALPATH="readlink -f"
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MAKE="gmake"
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NPROC="sysctl -n hw.ncpuonline"
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export CC=egcc
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export CXX=eg++
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export LDFLAGS=-Wl,-z,notext
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elif [ "$SYSTEM_NAME" = "FreeBSD" ]; then
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MD5SUM="md5 -q"
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MAKE="gmake"
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NPROC="sysctl -n hw.ncpu"
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fi
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if [ -z "$MAKEJOBS" ]; then
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MAKEJOBS=$($NPROC)
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fi
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if [ ! -d "$BUILD" ]; then
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mkdir -p "$BUILD"
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fi
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BUILD=$($REALPATH "$BUILD")
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dev=
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while [ "$1" != "" ]; do
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case $1 in
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--dev ) dev=1
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;;
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esac
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shift
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done
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echo PREFIX is "$PREFIX"
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echo SYSROOT is "$SYSROOT"
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mkdir -p "$DIR/Tarballs"
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LLVM_VERSION="12.0.1"
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LLVM_MD5SUM="c28061313a4f1b7d74cd491a19f569b4"
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LLVM_NAME="llvm-project-$LLVM_VERSION.src"
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LLVM_PKG="$LLVM_NAME.tar.xz"
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LLVM_URL="https://github.com/llvm/llvm-project/releases/download/llvmorg-$LLVM_VERSION/$LLVM_PKG"
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# We need GNU binutils because we use a feature that llvm-objdump doesn't support yet.
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BINUTILS_VERSION="2.37"
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BINUTILS_MD5SUM="1e55743d73c100b7a0d67ffb32398cdb"
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BINUTILS_NAME="binutils-$BINUTILS_VERSION"
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BINUTILS_PKG="${BINUTILS_NAME}.tar.gz"
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BINUTILS_BASE_URL="https://ftp.gnu.org/gnu/binutils"
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buildstep() {
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NAME=$1
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shift
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"$@" 2>&1 | sed $'s|^|\x1b[34m['"${NAME}"$']\x1b[39m |'
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}
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# === DEPENDENCIES ===
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buildstep dependencies echo "Checking whether 'make' is available..."
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if ! command -v ${MAKE:-make} >/dev/null; then
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buildstep dependencies echo "Please make sure to install GNU Make (for the '${MAKE:-make}' tool)."
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exit 1
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fi
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buildstep dependencies echo "Checking whether CMake is available..."
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if ! command -v cmake >/dev/null; then
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buildstep dependencies echo "Please make sure to install CMake."
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exit 1
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fi
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buildstep dependencies echo "Checking whether 'patch' is available..."
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if ! command -v patch >/dev/null; then
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buildstep dependencies echo "Please make sure to install GNU patch."
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fi
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buildstep dependencies echo "Checking whether your C compiler works..."
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if ! ${CC:-cc} -o /dev/null -xc - >/dev/null <<'PROGRAM'
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int main() {}
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PROGRAM
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then
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buildstep dependencies echo "Please make sure to install a working C compiler."
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exit 1
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fi
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buildstep dependencies echo "Checking whether your C++ compiler works..."
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if ! ${CXX:-c++} -o /dev/null -xc - >/dev/null <<'PROGRAM'
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int main() {}
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PROGRAM
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then
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buildstep dependencies echo "Please make sure to install a working C++ compiler."
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exit 1
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fi
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# === CHECK CACHE AND REUSE ===
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pushd "$DIR"
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if [ "$TRY_USE_LOCAL_TOOLCHAIN" = "y" ]; then
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mkdir -p Cache
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echo "Cache (before):"
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ls -l Cache
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CACHED_TOOLCHAIN_ARCHIVE="Cache/ToolchainBinariesGithubActions.tar.gz"
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if [ -r "${CACHED_TOOLCHAIN_ARCHIVE}" ] ; then
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echo "Cache at ${CACHED_TOOLCHAIN_ARCHIVE} exists!"
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echo "Extracting toolchain from cache:"
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if tar xzf "${CACHED_TOOLCHAIN_ARCHIVE}" ; then
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echo "Done 'building' the toolchain."
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echo "Cache unchanged."
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exit 0
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else
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echo
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echo
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echo
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echo "Could not extract cached toolchain archive."
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echo "This means the cache is broken and *should be removed*!"
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echo "As Github Actions cannot update a cache, this will unnecessarily"
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echo "slow down all future builds for this hash, until someone"
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echo "resets the cache."
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echo
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echo
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echo
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rm -f "${CACHED_TOOLCHAIN_ARCHIVE}"
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fi
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else
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echo "Cache at ${CACHED_TOOLCHAIN_ARCHIVE} does not exist."
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echo "Will rebuild toolchain from scratch, and save the result."
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fi
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fi
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echo "::group::Actually building Toolchain"
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popd
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# === DOWNLOAD AND PATCH ===
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pushd "$DIR/Tarballs"
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md5=""
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if [ -e "$LLVM_PKG" ]; then
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md5="$($MD5SUM ${LLVM_PKG} | cut -f1 -d' ')"
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echo "llvm md5='$md5'"
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fi
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if [ "$md5" != "$LLVM_MD5SUM" ] ; then
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rm -f "$LLVM_PKG"
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curl -LO "$LLVM_URL"
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else
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echo "Skipped downloading LLVM"
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fi
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if [ -d "$LLVM_NAME" ]; then
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# Drop the previously patched extracted dir
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rm -rf "${LLVM_NAME}"
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# Also drop the build dir
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rm -rf "$DIR/Build/clang/$ARCH"
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fi
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echo "Extracting LLVM..."
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tar -xJf "$LLVM_PKG"
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pushd "$LLVM_NAME"
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if [ "$dev" = "1" ]; then
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git init > /dev/null
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git add . > /dev/null
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git commit -am "BASE" > /dev/null
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git apply "$DIR"/Patches/llvm.patch > /dev/null
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else
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patch -p1 < "$DIR/Patches/llvm.patch" > /dev/null
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fi
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$MD5SUM "$DIR/Patches/llvm.patch" > .patch.applied
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popd
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md5=""
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if [ -e "$BINUTILS_PKG" ]; then
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md5="$($MD5SUM $BINUTILS_PKG | cut -f1 -d' ')"
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echo "bu md5='$md5'"
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fi
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if [ "$md5" != "$BINUTILS_MD5SUM" ]; then
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rm -f "$BINUTILS_PKG"
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curl -LO "$BINUTILS_BASE_URL/$BINUTILS_PKG"
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else
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echo "Skipped downloading GNU binutils"
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fi
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if [ -d "$BINUTILS_NAME" ]; then
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rm -rf "$BINUTILS_NAME"
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rm -rf "$DIR/Build/clang/$ARCH/binutils"
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fi
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echo "Extracting GNU binutils"
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tar -xzf "$BINUTILS_PKG"
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pushd "$BINUTILS_NAME"
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if [ "$dev" = "1" ]; then
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git init > /dev/null
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git add . > /dev/null
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git commit -am "BASE" > /dev/null
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git apply "$DIR"/Patches/binutils.patch > /dev/null
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else
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patch -p1 < "$DIR/Patches/binutils.patch" > /dev/null
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fi
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$MD5SUM "$DIR/Patches/binutils.patch" > .patch.applied
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popd
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popd
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# === COPY SERENITYOS HEADERS ===
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mkdir -p "$BUILD"
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pushd "$BUILD"
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mkdir -p Root/usr/include/
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SRC_ROOT=$($REALPATH "$DIR"/..)
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FILES=$(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)
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for header in $FILES; do
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target=$(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/@")
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buildstep "system_headers" install -D "$header" "Root/usr/include/$target"
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done
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unset SRC_ROOT
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popd
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# === COMPILE AND INSTALL ===
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rm -rf "$PREFIX"
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mkdir -p "$PREFIX"
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mkdir -p "$DIR/Build/clang/$ARCH"
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pushd "$DIR/Build/clang/$ARCH"
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mkdir -p llvm
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pushd llvm
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buildstep "llvm+clang/configure" cmake "$DIR/Tarballs/llvm-project-$LLVM_VERSION.src/llvm" \
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-G Ninja \
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-DCMAKE_BUILD_TYPE="MinSizeRel" \
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-DCMAKE_INSTALL_PREFIX="$PREFIX" \
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-DLLVM_DEFAULT_TARGET_TRIPLE="$LLVM_TARGET" \
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'-DLLVM_TARGETS_TO_BUILD=X86;AArch64' \
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-DLLVM_ENABLE_BINDINGS=OFF \
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-DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=OFF \
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-DLLVM_ENABLE_PROJECTS="clang;lld" \
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-DLLVM_INCLUDE_BENCHMARKS=OFF \
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-DLLVM_INCLUDE_TESTS=OFF \
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-DLLVM_LINK_LLVM_DYLIB=ON \
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-DLLVM_INSTALL_UTILS=OFF \
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${dev:+"-DLLVM_CCACHE_BUILD=ON"} || exit 1
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buildstep "llvm+clang/build" ninja -j "$MAKEJOBS" || exit 1
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buildstep "llvm+clang/install" ninja install || exit 1
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popd
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LLVM_COMPILER_FLAGS="-target $LLVM_TARGET --sysroot $SYSROOT -ftls-model=initial-exec -ffreestanding -nostdlib -nostdlib++"
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mkdir -p "compiler-rt"
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pushd compiler-rt
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buildstep "compiler-rt/configure" cmake "$DIR/Tarballs/llvm-project-$LLVM_VERSION.src/compiler-rt" \
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-GNinja \
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-DCMAKE_SYSROOT="$SYSROOT" \
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-DCMAKE_INSTALL_PREFIX="$PREFIX/lib/clang/${LLVM_VERSION}" \
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-DCMAKE_BUILD_TYPE="Release" \
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-DCMAKE_AR="$PREFIX/bin/llvm-ar" \
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-DCMAKE_C_COMPILER="$PREFIX/bin/clang" \
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-DCMAKE_C_COMPILER_TARGET="$LLVM_TARGET" \
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-DCMAKE_C_FLAGS="$LLVM_COMPILER_FLAGS" \
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-DCMAKE_CXX_COMPILER="$PREFIX/bin/clang++" \
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-DCMAKE_CXX_FLAGS="$LLVM_COMPILER_FLAGS" \
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-DCMAKE_CXX_COMPILER_TARGET="$LLVM_TARGET" \
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-DCMAKE_ASM_COMPILER="$PREFIX/bin/clang" \
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-DCMAKE_ASM_COMPILER_TARGET="$LLVM_TARGET" \
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-DCMAKE_ASM_FLAGS="$LLVM_COMPILER_FLAGS" \
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-DLLVM_CONFIG_PATH="$PREFIX/bin/llvm-config" \
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-DCOMPILER_RT_EXCLUDE_ATOMIC_BUILTIN=OFF \
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-DCOMPILER_RT_OS_DIR="serenity" \
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-DCOMPILER_RT_DEFAULT_TARGET_ONLY=ON \
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-DCOMPILER_RT_BUILD_BUILTINS=ON \
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-DCOMPILER_RT_BUILD_CRT=ON \
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-DCOMPILER_RT_BUILD_LIBFUZZER=OFF \
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-DCOMPILER_RT_BUILD_MEMPROF=OFF \
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-DCOMPILER_RT_BUILD_PROFILE=OFF \
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-DCOMPILER_RT_BUILD_SANITIZERS=OFF \
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-DCOMPILER_RT_BUILD_XRAY=OFF || exit 1
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buildstep "compiler-rt/build" ninja -j "$MAKEJOBS" || exit 1
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buildstep "compiler-rt/install" ninja install || exit 1
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popd
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mkdir -p libunwind
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pushd libunwind
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buildstep "libunwind/configure" cmake "$DIR/Tarballs/llvm-project-$LLVM_VERSION.src/libunwind" \
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-GNinja \
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-DCMAKE_BUILD_TYPE="Release" \
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-DCMAKE_SYSROOT="$SYSROOT" \
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-DCMAKE_C_COMPILER="$PREFIX/bin/clang" \
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-DCMAKE_C_COMPILER_TARGET="$LLVM_TARGET" \
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-DCMAKE_C_FLAGS="$LLVM_COMPILER_FLAGS" \
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-DCMAKE_CXX_COMPILER="$PREFIX/bin/clang++" \
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-DCMAKE_CXX_COMPILER_TARGET="$LLVM_TARGET" \
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-DCMAKE_CXX_FLAGS="$LLVM_COMPILER_FLAGS" \
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-DCMAKE_INSTALL_PREFIX="$PREFIX" \
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-DLLVM_CONFIG_PATH="$PREFIX/bin/llvm-config" \
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-DLIBUNWIND_TARGET_TRIPLE="$LLVM_TARGET" \
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-DLIBUNWIND_SYSROOT="$SYSROOT" || exit 1
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buildstep "libunwind/build" ninja -j "$MAKEJOBS" || exit 1
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buildstep "libunwind/install" ninja install || exit 1
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popd
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mkdir -p libcxxabi
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pushd libcxxabi
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buildstep "libcxxabi/configure" cmake "$DIR/Tarballs/llvm-project-$LLVM_VERSION.src/libcxxabi" \
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-GNinja \
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-DCMAKE_BUILD_TYPE="Release" \
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-DCMAKE_SYSROOT="$SYSROOT" \
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-DCMAKE_C_COMPILER="$PREFIX/bin/clang" \
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-DCMAKE_C_COMPILER_TARGET="$LLVM_TARGET" \
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-DCMAKE_C_FLAGS="$LLVM_COMPILER_FLAGS" \
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-DCMAKE_CXX_COMPILER="$PREFIX/bin/clang++" \
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-DCMAKE_CXX_COMPILER_TARGET="$LLVM_TARGET" \
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-DCMAKE_CXX_FLAGS="$LLVM_COMPILER_FLAGS" \
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-DCMAKE_INSTALL_PREFIX="$PREFIX" \
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-DLLVM_CONFIG_PATH="$PREFIX/bin/llvm-config" \
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-DLIBCXXABI_STANDALONE_BUILD=ON \
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-DLIBCXXABI_ENABLE_EXCEPTIONS=ON \
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-DLIBCXXABI_STANDALONE_BUILD=ON \
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-DLIBCXXABI_ENABLE_ASSERTIONS=OFF \
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-DLIBCXXABI_BAREMETAL=ON || exit 1
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buildstep "libcxxabi/build" ninja -j "$MAKEJOBS" || exit 1
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buildstep "libcxxabi/install" ninja install || exit 1
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popd
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mkdir -p libcxx
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pushd libcxx
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buildstep "libcxx/configure" cmake "$DIR/Tarballs/llvm-project-$LLVM_VERSION.src/libcxx" \
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-G Ninja \
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-DCMAKE_BUILD_TYPE="Release" \
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-DCMAKE_BINARY_DIR="$PREFIX/usr" \
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-DCMAKE_SYSROOT="$SYSROOT" \
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-DCMAKE_C_COMPILER="$PREFIX/bin/clang" \
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-DCMAKE_C_FLAGS="$LLVM_COMPILER_FLAGS" \
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-DCMAKE_CXX_COMPILER="$PREFIX/bin/clang++" \
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-DCMAKE_CXX_FLAGS="$LLVM_COMPILER_FLAGS" \
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-DCMAKE_INSTALL_PREFIX="$PREFIX" \
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-DLLVM_CONFIG_PATH="$PREFIX/bin/llvm-config" \
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-DLLVM_BINARY_DIR="$PREFIX/usr" \
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-DLIBCXX_INSTALL_LIBRARY=ON \
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-DLIBCXX_ENABLE_LOCALIZATION=OFF \
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-DLIBCXX_ENABLE_FILESYSTEM=OFF \
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-DLIBCXX_INSTALL_HEADERS=ON \
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-DLIBCXX_ENABLE_SHARED=ON \
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-DLIBCXX_ENABLE_LOCALIZATION=OFF \
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-DLIBCXX_ENABLE_STATIC=ON \
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-DLIBCXX_CXX_ABI="libcxxabi" \
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-DLIBCXX_INCLUDE_BENCHMARKS=OFF || exit 1
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buildstep "libcxx/build" ninja -j "$MAKEJOBS" || exit 1
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buildstep "libcxx/install" ninja install || exit 1
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buildstep "libcxx/install-headers" ninja install-cxx-headers || exit 1
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popd
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mkdir -p binutils
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pushd binutils
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buildstep "binutils/configure" "$DIR/Tarballs/$BINUTILS_NAME/configure" --prefix="$PREFIX/binutils" \
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--target="$ARCH-pc-serenity" \
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--disable-nls \
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--disable-gas \
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--disable-gold \
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--disable-ld \
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--disable-gprof \
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--enable-shared || exit 1
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buildstep "binutils/build" "$MAKE" -j "$MAKEJOBS" || exit 1
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buildstep "binutils/install" "$MAKE" install || exit 1
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popd
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popd
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# === REMOVE UNNECESSARY BUILD ARTIFACTS ===
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rm -r "$PREFIX"/lib/libclang*.a "$PREFIX"/lib/libLLVM*.a "$PREFIX"/lib/liblld*.a
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# === SAVE TO CACHE ===
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pushd "$DIR"
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if [ "$TRY_USE_LOCAL_TOOLCHAIN" = "y" ]; then
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echo "::endgroup::"
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echo "Building cache tar:"
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echo "Building cache tar:"
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rm -f "${CACHED_TOOLCHAIN_ARCHIVE}" # Just in case
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tar czf "${CACHED_TOOLCHAIN_ARCHIVE}" Local/
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echo "Cache (after):"
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ls -l Cache
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fi
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popd
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