Easy install cross gcc

get-cross-gcc.sh

#!/bin/sh

ARCH=$1
TARGET_DIR=$2
BUILD_DIR=$3

if [ -z "$ARCH" ]; then
	echo "ARCH is not set!"
	exit 1
fi

if [ -z "$TARGET_DIR" ]; then
	echo "TARGET_DIR is not set!"
	exit 1
fi

if [ -z "$BUILD_DIR" ]; then
	echo "BUILD_DIR is not set!"
	exit 1
fi

sudo apt install libgmp3-dev libmpfr-dev libisl-dev libcloog-isl-dev libmpc-dev texinfo -y

TARGET_DIR_ABS=$(readlink -f $TARGET_DIR)
BUILD_DIR_ABS=$(readlink -f $BUILD_DIR)

echo "Arch is: $ARCH"
echo "Target dir is: $TARGET_DIR_ABS"
echo "Build dir is: $BUILD_DIR_ABS"

mkdir -p $BUILD_DIR_ABS
cd $BUILD_DIR_ABS

mkdir -p download
mkdir -p src
cd download

wget ftp://ftp.gnu.org/gnu/binutils/binutils-2.26.tar.gz
wget ftp://ftp.gnu.org/gnu/gcc/gcc-6.1.0/gcc-6.1.0.tar.gz

tar -xvzf binutils-2.26.tar.gz -C ../src/
tar -xvzf gcc-6.1.0.tar.gz -C ../src/

cd ..

export PREFIX="$TARGET_DIR_ABS"
export TARGET=$ARCH
export PATH="$PREFIX/bin:$PATH"

mkdir build-binutils
cd build-binutils
../src/binutils-2.26/configure --target=$TARGET --prefix="$PREFIX" --with-sysroot --disable-nls --disable-werror
make -j $(nproc)
make install

cd ..
mkdir build-gcc
cd build-gcc
../src/gcc-6.1.0/configure --target=$TARGET --prefix="$PREFIX" --disable-nls --enable-languages=c,c++ --without-headers
make -j $(nproc) all-gcc
make -j $(nproc) all-target-libgcc
make install-gcc
make install-target-libgcc