preshing · July 25, 2024 22:28 · gregoirelinot · Jan 22, 2015 · yinjinzhong · Feb 3, 2015
diff --git a/build_cross_gcc b/build_cross_gcc
 #! /bin/bash
 set -e
 trap 'previous_command=$this_command; this_command=$BASH_COMMAND' DEBUG
 trap 'echo FAILED COMMAND: $previous_command' EXIT

 #-------------------------------------------------------------------------------------------
 # This script will download packages for, configure, build and install a GCC cross-compiler.
 # Customize the variables (INSTALL_PATH, TARGET, etc.) to your liking before running.
 # If you get an error and need to resume the script from some point in the middle,
 # just delete/comment the preceding lines before running it again.
 #
 # See: http://preshing.com/20141119/how-to-build-a-gcc-cross-compiler
 #-------------------------------------------------------------------------------------------

 INSTALL_PATH=/opt/cross
 TARGET=aarch64-linux
 USE_NEWLIB=0
 LINUX_ARCH=arm64
 CONFIGURATION_OPTIONS="--disable-multilib" # --disable-threads --disable-shared
 PARALLEL_MAKE=-j4
 BINUTILS_VERSION=binutils-2.24
 GCC_VERSION=gcc-4.9.2
 LINUX_KERNEL_VERSION=linux-3.17.2
 GLIBC_VERSION=glibc-2.20
 MPFR_VERSION=mpfr-3.1.2
 GMP_VERSION=gmp-6.0.0a
 MPC_VERSION=mpc-1.0.2
 ISL_VERSION=isl-0.12.2
 CLOOG_VERSION=cloog-0.18.1
 export PATH=$INSTALL_PATH/bin:$PATH

 # Download packages
 export http_proxy=$HTTP_PROXY https_proxy=$HTTP_PROXY ftp_proxy=$HTTP_PROXY
 wget -nc https://ftp.gnu.org/gnu/binutils/$BINUTILS_VERSION.tar.gz
 wget -nc https://ftp.gnu.org/gnu/gcc/$GCC_VERSION/$GCC_VERSION.tar.gz
 if [ $USE_NEWLIB -ne 0 ]; then
    wget -nc -O newlib-master.zip https://github.com/bminor/newlib/archive/master.zip || true
    unzip -qo newlib-master.zip
 else
    wget -nc https://www.kernel.org/pub/linux/kernel/v3.x/$LINUX_KERNEL_VERSION.tar.xz
    wget -nc https://ftp.gnu.org/gnu/glibc/$GLIBC_VERSION.tar.xz
 fi
 wget -nc https://ftp.gnu.org/gnu/mpfr/$MPFR_VERSION.tar.xz
 wget -nc https://ftp.gnu.org/gnu/gmp/$GMP_VERSION.tar.xz
 wget -nc https://ftp.gnu.org/gnu/mpc/$MPC_VERSION.tar.gz
 wget -nc ftp://gcc.gnu.org/pub/gcc/infrastructure/$ISL_VERSION.tar.bz2
 wget -nc ftp://gcc.gnu.org/pub/gcc/infrastructure/$CLOOG_VERSION.tar.gz

 # Extract everything
 for f in *.tar*; do tar xfk $f; done

 # Make symbolic links
 cd $GCC_VERSION
 ln -sf `ls -1d ../mpfr-*/` mpfr
 ln -sf `ls -1d ../gmp-*/` gmp
 ln -sf `ls -1d ../mpc-*/` mpc
 ln -sf `ls -1d ../isl-*/` isl
 ln -sf `ls -1d ../cloog-*/` cloog
 cd ..

 # Step 1. Binutils
 mkdir -p build-binutils
 cd build-binutils
 ../$BINUTILS_VERSION/configure --prefix=$INSTALL_PATH --target=$TARGET $CONFIGURATION_OPTIONS
 make $PARALLEL_MAKE
 make install
 cd ..

 # Step 2. Linux Kernel Headers
 if [ $USE_NEWLIB -eq 0 ]; then
    cd $LINUX_KERNEL_VERSION
    make ARCH=$LINUX_ARCH INSTALL_HDR_PATH=$INSTALL_PATH/$TARGET headers_install
    cd ..
 fi

 # Step 3. C/C++ Compilers
 mkdir -p build-gcc
 cd build-gcc
 if [ $USE_NEWLIB -ne 0 ]; then
    NEWLIB_OPTION=--with-newlib
 fi
 ../$GCC_VERSION/configure --prefix=$INSTALL_PATH --target=$TARGET --enable-languages=c,c++ $CONFIGURATION_OPTIONS $NEWLIB_OPTION
 make $PARALLEL_MAKE all-gcc
 make install-gcc
 cd ..

 if [ $USE_NEWLIB -ne 0 ]; then
    # Steps 4-6: Newlib
    mkdir -p build-newlib
    cd build-newlib
    ../newlib-master/configure --prefix=$INSTALL_PATH --target=$TARGET $CONFIGURATION_OPTIONS
    make $PARALLEL_MAKE
    make install
    cd ..
 else
    # Step 4. Standard C Library Headers and Startup Files
    mkdir -p build-glibc
    cd build-glibc
    ../$GLIBC_VERSION/configure --prefix=$INSTALL_PATH/$TARGET --build=$MACHTYPE --host=$TARGET --target=$TARGET --with-headers=$INSTALL_PATH/$TARGET/include $CONFIGURATION_OPTIONS libc_cv_forced_unwind=yes
    make install-bootstrap-headers=yes install-headers
    make $PARALLEL_MAKE csu/subdir_lib
    install csu/crt1.o csu/crti.o csu/crtn.o $INSTALL_PATH/$TARGET/lib
    $TARGET-gcc -nostdlib -nostartfiles -shared -x c /dev/null -o $INSTALL_PATH/$TARGET/lib/libc.so
    touch $INSTALL_PATH/$TARGET/include/gnu/stubs.h
    cd ..

    # Step 5. Compiler Support Library
    cd build-gcc
    make $PARALLEL_MAKE all-target-libgcc
    make install-target-libgcc
    cd ..

    # Step 6. Standard C Library & the rest of Glibc
    cd build-glibc
    make $PARALLEL_MAKE
    make install
    cd ..
 fi

 # Step 7. Standard C++ Library & the rest of GCC
 cd build-gcc
 make $PARALLEL_MAKE all
 make install
 cd ..

 trap - EXIT
 echo 'Success!'
	#! /bin/bash
	set -e
	trap 'previous_command=$this_command; this_command=$BASH_COMMAND' DEBUG
	trap 'echo FAILED COMMAND: $previous_command' EXIT

	#-------------------------------------------------------------------------------------------
	# This script will download packages for, configure, build and install a GCC cross-compiler.
	# Customize the variables (INSTALL_PATH, TARGET, etc.) to your liking before running.
	# If you get an error and need to resume the script from some point in the middle,
	# just delete/comment the preceding lines before running it again.
	#
	# See: http://preshing.com/20141119/how-to-build-a-gcc-cross-compiler
	#-------------------------------------------------------------------------------------------

	INSTALL_PATH=/opt/cross
	TARGET=aarch64-linux
	USE_NEWLIB=0
	LINUX_ARCH=arm64
	CONFIGURATION_OPTIONS="--disable-multilib" # --disable-threads --disable-shared
	PARALLEL_MAKE=-j4
	BINUTILS_VERSION=binutils-2.24
	GCC_VERSION=gcc-4.9.2
	LINUX_KERNEL_VERSION=linux-3.17.2
	GLIBC_VERSION=glibc-2.20
	MPFR_VERSION=mpfr-3.1.2
	GMP_VERSION=gmp-6.0.0a
	MPC_VERSION=mpc-1.0.2
	ISL_VERSION=isl-0.12.2
	CLOOG_VERSION=cloog-0.18.1
	export PATH=$INSTALL_PATH/bin:$PATH

	# Download packages
	export http_proxy=$HTTP_PROXY https_proxy=$HTTP_PROXY ftp_proxy=$HTTP_PROXY
	wget -nc https://ftp.gnu.org/gnu/binutils/$BINUTILS_VERSION.tar.gz
	wget -nc https://ftp.gnu.org/gnu/gcc/$GCC_VERSION/$GCC_VERSION.tar.gz
	if [ $USE_NEWLIB -ne 0 ]; then
	wget -nc -O newlib-master.zip https://github.com/bminor/newlib/archive/master.zip \|\| true
	unzip -qo newlib-master.zip
	else
	wget -nc https://www.kernel.org/pub/linux/kernel/v3.x/$LINUX_KERNEL_VERSION.tar.xz
	wget -nc https://ftp.gnu.org/gnu/glibc/$GLIBC_VERSION.tar.xz
	fi
	wget -nc https://ftp.gnu.org/gnu/mpfr/$MPFR_VERSION.tar.xz
	wget -nc https://ftp.gnu.org/gnu/gmp/$GMP_VERSION.tar.xz
	wget -nc https://ftp.gnu.org/gnu/mpc/$MPC_VERSION.tar.gz
	wget -nc ftp://gcc.gnu.org/pub/gcc/infrastructure/$ISL_VERSION.tar.bz2
	wget -nc ftp://gcc.gnu.org/pub/gcc/infrastructure/$CLOOG_VERSION.tar.gz

	# Extract everything
	for f in .tar; do tar xfk $f; done

	# Make symbolic links
	cd $GCC_VERSION
	ln -sf `ls -1d ../mpfr-*/` mpfr
	ln -sf `ls -1d ../gmp-*/` gmp
	ln -sf `ls -1d ../mpc-*/` mpc
	ln -sf `ls -1d ../isl-*/` isl
	ln -sf `ls -1d ../cloog-*/` cloog
	cd ..

	# Step 1. Binutils
	mkdir -p build-binutils
	cd build-binutils
	../$BINUTILS_VERSION/configure --prefix=$INSTALL_PATH --target=$TARGET $CONFIGURATION_OPTIONS
	make $PARALLEL_MAKE
	make install
	cd ..

	# Step 2. Linux Kernel Headers
	if [ $USE_NEWLIB -eq 0 ]; then
	cd $LINUX_KERNEL_VERSION
	make ARCH=$LINUX_ARCH INSTALL_HDR_PATH=$INSTALL_PATH/$TARGET headers_install
	cd ..
	fi

	# Step 3. C/C++ Compilers
	mkdir -p build-gcc
	cd build-gcc
	if [ $USE_NEWLIB -ne 0 ]; then
	NEWLIB_OPTION=--with-newlib
	fi
	../$GCC_VERSION/configure --prefix=$INSTALL_PATH --target=$TARGET --enable-languages=c,c++ $CONFIGURATION_OPTIONS $NEWLIB_OPTION
	make $PARALLEL_MAKE all-gcc
	make install-gcc
	cd ..

	if [ $USE_NEWLIB -ne 0 ]; then
	# Steps 4-6: Newlib
	mkdir -p build-newlib
	cd build-newlib
	../newlib-master/configure --prefix=$INSTALL_PATH --target=$TARGET $CONFIGURATION_OPTIONS
	make $PARALLEL_MAKE
	make install
	cd ..
	else
	# Step 4. Standard C Library Headers and Startup Files
	mkdir -p build-glibc
	cd build-glibc
	../$GLIBC_VERSION/configure --prefix=$INSTALL_PATH/$TARGET --build=$MACHTYPE --host=$TARGET --target=$TARGET --with-headers=$INSTALL_PATH/$TARGET/include $CONFIGURATION_OPTIONS libc_cv_forced_unwind=yes
	make install-bootstrap-headers=yes install-headers
	make $PARALLEL_MAKE csu/subdir_lib
	install csu/crt1.o csu/crti.o csu/crtn.o $INSTALL_PATH/$TARGET/lib
	$TARGET-gcc -nostdlib -nostartfiles -shared -x c /dev/null -o $INSTALL_PATH/$TARGET/lib/libc.so
	touch $INSTALL_PATH/$TARGET/include/gnu/stubs.h
	cd ..

	# Step 5. Compiler Support Library
	cd build-gcc
	make $PARALLEL_MAKE all-target-libgcc
	make install-target-libgcc
	cd ..

	# Step 6. Standard C Library & the rest of Glibc
	cd build-glibc
	make $PARALLEL_MAKE
	make install
	cd ..
	fi

	# Step 7. Standard C++ Library & the rest of GCC
	cd build-gcc
	make $PARALLEL_MAKE all
	make install
	cd ..

	trap - EXIT
	echo 'Success!'