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#!/usr/bin/env sh
# Sets up a cross compiler
if [ ! -d "./cross/" ]; then
# Create directory
mkdir -p cross
cd cross || exit
DIR=$(pwd)
# Get sources
mkdir "${DIR}/src" && cd "${DIR}/src" || exit
echo "Downloading..."
curl -sSL "https://ftp.gnu.org/gnu/binutils/binutils-2.32.tar.xz" | tar xJ
curl -sSL "https://ftp.gnu.org/gnu/gcc/gcc-9.2.0/gcc-9.2.0.tar.xz" | tar xJ
# Prepare compiling
mkdir -p "${DIR}/opt/bin"
export PREFIX="${DIR}/opt"
export TARGET=i686-elf
export PATH="$PREFIX/bin:$PATH"
# Compile binutilsq
mkdir "${DIR}/src/build-binutils" && cd "${DIR}/src/build-binutils" || exit
../binutils-2.32/configure --target="$TARGET" --prefix="$PREFIX" --with-sysroot --disable-nls --disable-werror
make
make install
# Compile GCC
mkdir "${DIR}/src/build-gcc" && cd "${DIR}/src/build-gcc" || exit
../gcc-9.2.0/configure --target="$TARGET" --prefix="$PREFIX" --disable-nls --enable-languages=c,c++ --without-headers
make all-gcc
make all-target-libgcc
make install-gcc
make install-target-libgcc
# Source exported variables
cd "${DIR}/.." || exit
. cross.sh
else
# Should be sourced to take effect
cd cross || exit
DIR=$(pwd)
export PREFIX="${DIR}/opt"
export TARGET=i686-elf
export PATH="$PREFIX/bin:$PATH"
cd ..
fi
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