mirror of
https://github.com/SerenityOS/serenity
synced 2024-07-23 19:15:55 +00:00
5ca1bd55a0
Target GDB is only used for debugging the kernel, which is not relevant
to most people. Starting with 924758c6f8, GDB would always be built
as part of the toolchain if the user didn't have it installed. This is
unnecessary.
This commit adds a separate script for building GDB, which the user
needs to explicitly invoke. A message is added to Meta/debug-kernel.sh
which alerts the user to this fact.
130 lines
3.5 KiB
Bash
Executable file
130 lines
3.5 KiB
Bash
Executable file
#!/usr/bin/env bash
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set -e
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GDB_VERSION="13.1"
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GDB_MD5SUM="4aaad768ff2585464173c091947287ec"
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GDB_NAME="gdb-$GDB_VERSION"
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GDB_PKG="${GDB_NAME}.tar.xz"
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GDB_BASE_URL="https://ftp.gnu.org/gnu/gdb"
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DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
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ARCH=${1:-"x86_64"}
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TARGET="$ARCH-pc-serenity"
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PREFIX="$DIR/Local/$ARCH-gdb"
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echo "Building GDB $GDB_VERSION for $TARGET"
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MD5SUM="md5sum"
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NPROC="nproc"
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SYSTEM_NAME="$(uname -s)"
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if [ "$SYSTEM_NAME" = "OpenBSD" ]; then
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MD5SUM="md5 -q"
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NPROC="sysctl -n hw.ncpuonline"
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export CC=egcc
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export CXX=eg++
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export with_gmp=/usr/local
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export LDFLAGS=-Wl,-z,notext
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elif [ "$SYSTEM_NAME" = "FreeBSD" ]; then
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MD5SUM="md5 -q"
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NPROC="sysctl -n hw.ncpu"
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export with_gmp=/usr/local
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export with_mpfr=/usr/local
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elif [ "$SYSTEM_NAME" = "Darwin" ]; then
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MD5SUM="md5 -q"
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NPROC="sysctl -n hw.ncpu"
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fi
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if [ -z "$MAKEJOBS" ]; then
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MAKEJOBS=$($NPROC)
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fi
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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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missing_lib() {
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buildstep dependencies echo "Please make sure to install the $lib library and headers." >&2
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exit 1
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}
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config_args=()
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for lib in gmp isl mpfr mpc; do
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buildstep dependencies echo "Checking whether the $lib library and headers are available..."
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if [ "$SYSTEM_NAME" = "Darwin" ]; then
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[ "$lib" = "mpc" ] && formula_name="libmpc" || formula_name="$lib"
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config_args+=("--with-$lib=$(brew --prefix --installed "$formula_name")") || missing_lib $lib
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else
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if ! ${CC:-cc} -I /usr/local/include -L /usr/local/lib -l$lib -o /dev/null -xc - >/dev/null <<PROGRAM
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#include <$lib.h>
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int main() {}
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PROGRAM
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then
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missing_lib $lib
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fi
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fi
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done
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if [ "$SYSTEM_NAME" = "Darwin" ]; then
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config_args+=("--with-libgmp-prefix=$(brew --prefix gmp)")
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fi
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mkdir -p "$DIR/Tarballs"
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pushd "$DIR/Tarballs"
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md5=""
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if [ -e "$GDB_PKG" ]; then
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md5="$($MD5SUM "$GDB_PKG" | cut -f1 -d' ')"
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fi
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if [ "$md5" != "$GDB_MD5SUM" ]; then
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curl -C - -O "$GDB_BASE_URL/$GDB_PKG"
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else
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echo "Skipped downloading $GDB_PKG"
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fi
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md5="$($MD5SUM "$GDB_PKG" | cut -f1 -d' ')"
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echo "gdb md5='$md5'"
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if [ "$md5" != "$GDB_MD5SUM" ] ; then
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echo "gdb md5 sum mismatching, please run script again."
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rm -f "$GDB_PKG"
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exit 1
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fi
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# If the source directory exists, re-extract it again in case the patches have changed.
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if [ -d ${GDB_NAME} ]; then
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rm -rf "${GDB_NAME}"
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rm -rf "$DIR/Build/$ARCH-gdb"
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fi
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echo "Extracting gdb..."
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tar -xJf "$GDB_PKG"
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pushd "$GDB_NAME"
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for patch in "${DIR}"/Patches/gdb/*.patch; do
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patch -p1 < "${patch}" > /dev/null
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done
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popd
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popd
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mkdir -p "$DIR/Build"
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rm -rf "$DIR/Build/$ARCH-gdb"
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mkdir "$DIR/Build/$ARCH-gdb"
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pushd "$DIR/Build/$ARCH-gdb"
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unset PKG_CONFIG_LIBDIR # Just in case
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buildstep "gdb/configure" "$DIR"/Tarballs/$GDB_NAME/configure --prefix="$PREFIX" \
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--target="$TARGET" \
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--disable-werror \
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--disable-nls \
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--with-python \
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"${config_args[@]}" || exit 1
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buildstep "gdb/build" make MAKEINFO=true -j "$MAKEJOBS" || exit 1
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buildstep "gdb/install" make MAKEINFO=true install || exit 1
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popd
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