lfs/build-toolchain.sh
2024-12-12 13:41:56 +01:00

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#!/bin/bash
# Function to handle errors
error_handler() {
local exit_code=$?
local line_number=$1
local file_name=$2
echo "Error in file: $file_name, line: $line_number, reason: Command exited with status $exit_code"
}
# Set the trap to catch errors
trap 'error_handler $LINENO $0' ERR
set -eo pipefail
export BUILDER_ARCH="x86_64"
export TOOLCHAIN_TRIPLET="$BUILDER_ARCH-linux-musl"
export LINUX_VERSION="6.12.1"
# automatic
export BASE_DIR=$(pwd)
export TOOLCHAIN_DIR="$BASE_DIR/out/$TOOLCHAIN_TRIPLET/toolchain/"
export BUILD_DIR="$TOOLCHAIN_DIR/../build"
export TOOLCHAIN_SYSROOT="$TOOLCHAIN_DIR/../sysroot/"
export PATH="$TOOLCHAIN_DIR/bin/:$PATH"
# Create the target directory
mkdir -vp "${TOOLCHAIN_DIR}"
mkdir -vp "${BUILD_DIR}"
mkdir -vp "${TOOLCHAIN_SYSROOT}"
export BUILD_MACHINE_TRIPLET=$(gcc -dumpmachine)
#export TARGET_MACHINE_TRIPLET=$LFS_TGT
## Build binutils
#if [ ! -d "$BUILD_DIR/binutils" ]; then
# tar -xf "$BASE_DIR/sources/binutils-2.43.tar.zst"
# mv "binutils-2.43" "$BUILD_DIR/binutils"
#fi
#cd "$BUILD_DIR/binutils"
#mkdir -vp "build-$TOOLCHAIN_TRIPLET"
#cd "build-$TOOLCHAIN_TRIPLET"
#"../configure" \
# --prefix=$TOOLCHAIN_DIR \
# --with-sysroot=$TOOLCHAIN_SYSROOT \
# --target=$TOOLCHAIN_TRIPLET \
# --with-gnu-as \
# --with-gnu-ld \
# --enable-ld=default \
# --disable-shared \
# --disable-nls \
# --enable-gprofng=no \
# --disable-werror \
# --enable-new-dtags \
# --disable-multilib \
# --disable-libquadmath \
# --disable-libquadmath-support \
# --disable-plugins \
# --enable-deterministic-archives \
# --enable-default-hash-style=gnu
##make configure-host
#make -j 32
#make -j 32 install
#cd "$BASE_DIR"
#
## Install kernel headers
#if [ ! -d "$BUILD_DIR/linux" ]; then
# tar -xzf "$BASE_DIR/sources/linux-$LINUX_VERSION.tar.gz"
# mv "linux-$LINUX_VERSION" "$BUILD_DIR/linux"
#fi
#cd "$BUILD_DIR/linux"
#make mrproper
#make headers_install ARCH="$BUILDER_ARCH" INSTALL_HDR_PATH="$TOOLCHAIN_DIR/"
#cd "$BASE_DIR"
#
#
## Build gcc
#export CFLAGS="$CFLAGS -static "
#export LDFLAGS="$LDFLAGS -Bstatic "
#bash unpack-gcc.sh "$BUILD_DIR"
#cd "$BUILD_DIR/gcc/"
#mkdir -vp "build-$-step1"
#cd "build-$-step1"
#"../configure" \
# --target=$TOOLCHAIN_TRIPLET \
# --host=${BUILD_MACHINE_TRIPLET} \
# --build=${BUILD_MACHINE_TRIPLET} \
# --prefix=$TOOLCHAIN_DIR \
# --with-glibc-version=2.40 \
# --with-sysroot=$TOOLCHAIN_SYSROOT \
# --with-newlib \
# --disable-shared \
# --disable-gdbtk \
# --without-headers \
# --enable-default-pie \
# --enable-default-ssp \
# --disable-nls \
# --disable-multilib \
# --disable-threads \
# --disable-libatomic \
# --disable-libmudflap \
# --disable-libgomp \
# --disable-libquadmath \
# --disable-libquadmath-support \
# --disable-libssp \
# --disable-libvtv \
# --disable-libstdcxx \
# --disable-decimal-float \
# --disable-libsanitizer \
# --enable-languages=c
#make -j 32
#make -j 32 install
#cd "$BASE_DIR"
#
## From now on use
#export BUILD_CC=gcc
#export CC="$TOOLCHAIN_TRIPLET-gcc"
#export CXX="$TOOLCHAIN_TRIPLET-g++"
#export AS="$TOOLCHAIN_TRIPLET-as"
#export LD="$TOOLCHAIN_TRIPLET-ld"
#export AR="$TOOLCHAIN_TRIPLET-ar"
#export RANLIB="$TOOLCHAIN_TRIPLET-ranlib"
#export STRIP="$TOOLCHAIN_TRIPLET-strip"
#export OBJDUMP="$TOOLCHAIN_TRIPLET-objdump"
## remove hardening options for building libraries
#export CFLAGS="-U_FORTIFY_SOURCE -O2 -static "
#export CPPFLAGS="-U_FORTIFY_SOURCE -O2 -static"
#export LDFLAGS=" -Bstatic "
#export LD_LIBRARY_PATH_old="$LD_LIBRARY_PATH"
#unset LD_LIBRARY_PATH
#
## build musl
#if [ ! -d "$BUILD_DIR/musl" ]; then
# tar -xzf "$BASE_DIR/sources/musl-1.2.5.tar.gz"
# mv "musl-1.2.5" "$BUILD_DIR/musl"
#fi
#cd "$BUILD_DIR/musl"
#mkdir -vp "build-$TOOLCHAIN_TRIPLET"
#cd "build-$TOOLCHAIN_TRIPLET"
#"../configure" --prefix=/
## CROSS_COMPILE="${TOOLCHAIN_TRIPLET}-" \
## --target=${TOOLCHAIN_TRIPLET}
#
#make -j 32
#DESTDIR="${TOOLCHAIN_DIR}" make install
#cd "$BASE_DIR"
# build gcc (step2)
export CFLAGS="$CFLAGS -static "
export LDFLAGS="$LDFLAGS -Bstatic "
bash unpack-gcc.sh "$BUILD_DIR"
cd "$BUILD_DIR/gcc/"
mkdir -vp "build-step2"
cd "build-step2"
"../configure" \
--target=$TOOLCHAIN_TRIPLET \
--build=${TOOLCHAIN_TRIPLET} \
--prefix=$TOOLCHAIN_DIR \
--with-glibc-version=2.40 \
--with-sysroot=$TOOLCHAIN_SYSROOT \
--with-newlib \
--disable-shared \
--disable-gdbtk \
--without-headers \
--enable-default-pie \
--enable-default-ssp \
--disable-nls \
--disable-multilib \
--disable-threads \
--disable-libatomic \
--disable-libmudflap \
--disable-libgomp \
--disable-libquadmath \
--disable-libquadmath-support \
--disable-libssp \
--disable-libvtv \
--disable-libstdcxx \
--disable-decimal-float \
--disable-libsanitizer \
--enable-languages=c
make
make -j 32 install
cd "$BASE_DIR"