banan-os/toolchain/build.sh

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#!/bin/sh
set -e
BINUTILS_VERSION="binutils-2.39"
GCC_VERSION="gcc-12.2.0"
cd $(dirname "$0")
if [[ -z $SYSROOT ]]; then
echo "You must set the SYSROOT environment variable" >&2
exit 1
fi
if [[ -z $PREFIX ]]; then
echo "You must set the PREFIX environment variable" >&2
exit 1
fi
if [[ -z $ARCH ]]; then
echo "You must set the ARCH environment variable" >&2
exit 1
fi
TARGET="${ARCH}-banan_os"
if [ ! -f ${PREFIX}/bin/${TARGET}-ld ]; then
echo "Building ${BINUTILS_VERSION}"
if [ ! -f ${BINUTILS_VERSION}.tar.xz ]; then
wget https://ftp.gnu.org/gnu/binutils/${BINUTILS_VERSION}.tar.xz
fi
if [ ! -d $BINUTILS_VERSION ]; then
tar xvf ${BINUTILS_VERSION}.tar.xz
patch -s -p0 < ${BINUTILS_VERSION}.patch
fi
mkdir -p build/${BINUTILS_VERSION}/
pushd build/${BINUTILS_VERSION}/
../../${BINUTILS_VERSION}/configure \
--target="$TARGET" \
--prefix="$PREFIX" \
--with-sysroot="$SYSROOT" \
--enable-shared \
--disable-werror
make -j $(nproc)
make install
popd
fi
if [ ! -f ${PREFIX}/bin/${TARGET}-g++ ]; then
echo "Building ${GCC_VERSION}"
if [ ! -f ${GCC_VERSION}.tar.xz ]; then
wget https://ftp.gnu.org/gnu/gcc/${GCC_VERSION}/${GCC_VERSION}.tar.xz
fi
if [ ! -d $GCC_VERSION ]; then
tar xvf ${GCC_VERSION}.tar.xz
patch -s -p0 < ${GCC_VERSION}.patch
fi
mkdir -p build/${GCC_VERSION}/
cd build/${GCC_VERSION}/
../../${GCC_VERSION}/configure \
--target="$TARGET" \
--prefix="$PREFIX" \
--with-sysroot="$SYSROOT" \
--enable-shared \
--enable-languages=c,c++
make -j $(nproc) all-gcc all-target-libgcc
make install-gcc install-target-libgcc
fi