init

Author: lindevs

.gitignore

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+.idea

README.md

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+# Raspberry Pi Cross Compiler
+
+Raspberry Pi cross-compiler toolchain which contains:
+
+| Name     | Version |
+|:---------|:--------|
+| GCC      | 12.2.0  |
+| glibc    | 2.36    |
+| Binutils | 2.40    |
+| GDB      | 10.2    |
+
+## Supported OS
+
+* Host OS: any x64 Linux machine
+* Target OS: Raspberry Pi OS Bookworm 64-bit
+
+## Usage
+
+* Build Docker image:
+
+```shell
+docker build -t cross-pi-gcc docker
+```
+
+* Build cross-compiler toolchain:
+
+```shell
+docker run -it --rm -v ~/out:/out cross-pi-gcc -c build.sh
+```
+
+**Note:** The `cross-gcc-12.2.0-pi_64.tar.gz` file will saved to `~/out` directory.

build.sh

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+#!/bin/bash
+
+GCC_VERSION=12.2.0
+GLIBC_VERSION=2.36
+BINUTILS_VERSION=2.40
+GDB_VERSION=10.2
+
+LANGUAGES=c,c++,fortran
+
+FOLDER_VERSION=64
+KERNEL=kernel8
+ARCH=armv8-a+fp+simd
+TARGET=aarch64-linux-gnu
+
+BUILDDIR=/tmp
+DOWNLOADDIR=$BUILDDIR/build_toolchains
+INSTALLDIR=$BUILDDIR/cross-pi-gcc-$GCC_VERSION-$FOLDER_VERSION
+SYSROOTDIR=$BUILDDIR/cross-pi-gcc-$GCC_VERSION-$FOLDER_VERSION/$TARGET/libc
+
+mkdir -p $DOWNLOADDIR
+mkdir -p $INSTALLDIR
+
+cd $DOWNLOADDIR
+
+if [ ! -d "linux" ]; then
+	git clone --depth=1 https://github.com/raspberrypi/linux
+fi
+
+if [ ! -d "gcc-$GCC_VERSION" ]; then
+	wget -q https://ftp.gnu.org/gnu/gcc/gcc-$GCC_VERSION/gcc-$GCC_VERSION.tar.gz
+
+	tar xf gcc-$GCC_VERSION.tar.gz
+	rm -f gcc-$GCC_VERSION.tar.gz
+
+	mkdir -p gcc-$GCC_VERSION/build
+
+	cd gcc-$GCC_VERSION
+	sed -i 's/#include <limits.h>/#include <linux\/limits.h>/' libsanitizer/asan/asan_linux.cpp # patch
+
+	contrib/download_prerequisites
+	rm -f *.tar.*
+	cd $DOWNLOADDIR
+fi
+
+if [ ! -d "binutils-$BINUTILS_VERSION" ]; then
+	wget -q https://ftp.gnu.org/gnu/binutils/binutils-$BINUTILS_VERSION.tar.bz2
+
+	tar xf binutils-$BINUTILS_VERSION.tar.bz2
+  rm -rf binutils-$BINUTILS_VERSION.tar.bz2
+
+  mkdir -p binutils-$BINUTILS_VERSION/build
+fi
+
+if [ ! -d "glibc-$GLIBC_VERSION" ]; then
+	wget -q https://ftp.gnu.org/gnu/glibc/glibc-$GLIBC_VERSION.tar.bz2
+
+	tar xf glibc-$GLIBC_VERSION.tar.bz2
+	rm -rf glibc-$GLIBC_VERSION.tar.bz2
+
+	mkdir -p glibc-$GLIBC_VERSION/build
+fi
+
+if [ ! -d "gdb-$GDB_VERSION" ]; then
+	wget -q https://ftp.gnu.org/gnu/gdb/gdb-$GDB_VERSION.tar.xz
+
+	tar xf gdb-$GDB_VERSION.tar.xz
+	rm -rf gdb-$GDB_VERSION.tar.xz
+
+	mkdir -p gdb-$GDB_VERSION/build
+fi
+
+PATH=$BUILDDIR/cross-pi-gcc-$GCC_VERSION-$FOLDER_VERSION/bin:$PATH
+
+echo "Building Kernel Headers ..."
+cd $DOWNLOADDIR/linux
+make -s ARCH=arm64 INSTALL_HDR_PATH=$SYSROOTDIR/usr headers_install
+mkdir -p $SYSROOTDIR/usr/lib
+
+echo "Building Binutils ..."
+rm -rf $DOWNLOADDIR/binutils-$BINUTILS_VERSION/build/*
+cd $DOWNLOADDIR/binutils-$BINUTILS_VERSION/build
+
+../configure --target=$TARGET --prefix= --with-arch=$ARCH --with-sysroot=/$TARGET/libc --with-build-sysroot=$SYSROOTDIR --disable-multilib
+make -s -j$(nproc)
+make -s install-strip DESTDIR=$INSTALLDIR
+
+echo "Building GCC and glibc ..."
+rm -rf $DOWNLOADDIR/gcc-$GCC_VERSION/build/*
+cd $DOWNLOADDIR/gcc-$GCC_VERSION/build
+
+../configure --prefix= --target=$TARGET --enable-languages=$LANGUAGES --with-sysroot=/$TARGET/libc --with-build-sysroot=$SYSROOTDIR --with-arch=$ARCH --disable-multilib
+make -s -j$(nproc) all-gcc
+make -s install-strip-gcc DESTDIR=$INSTALLDIR
+
+rm -rf $DOWNLOADDIR/glibc-$GLIBC_VERSION/build/*
+cd $DOWNLOADDIR/glibc-$GLIBC_VERSION/build
+
+../configure --prefix=/usr --build=$MACHTYPE --host=$TARGET --target=$TARGET --with-arch=$ARCH --with-sysroot=/$TARGET/libc --with-build-sysroot=$SYSROOTDIR --with-headers=$SYSROOTDIR/usr/include --with-lib=$SYSROOTDIR/usr/lib --disable-multilib libc_cv_forced_unwind=yes
+make -s install-bootstrap-headers=yes install-headers DESTDIR=$SYSROOTDIR
+make -s -j$(nproc) csu/subdir_lib
+install csu/crt1.o csu/crti.o csu/crtn.o $SYSROOTDIR/usr/lib
+$TARGET-gcc -nostdlib -nostartfiles -shared -x c /dev/null -o $SYSROOTDIR/usr/lib/libc.so
+touch $SYSROOTDIR/usr/include/gnu/stubs.h $SYSROOTDIR/usr/include/bits/stdio_lim.h
+
+cd $DOWNLOADDIR/gcc-$GCC_VERSION/build
+make -s -j$(nproc) all-target-libgcc
+make -s install-target-libgcc DESTDIR=$INSTALLDIR
+
+cd $DOWNLOADDIR/glibc-$GLIBC_VERSION/build
+make -s -j$(nproc)
+make -s install DESTDIR=$SYSROOTDIR
+
+cd $DOWNLOADDIR/gcc-$GCC_VERSION/build
+make -s -j$(nproc)
+make -s install-strip DESTDIR=$INSTALLDIR
+
+cd $DOWNLOADDIR"/gcc-"$GCC_VERSION
+cat gcc/limitx.h gcc/glimits.h gcc/limity.h >$(dirname $($TARGET-gcc -print-libgcc-file-name))/include-fixed/limits.h
+
+echo "Building GDB ..."
+rm -rf $DOWNLOADDIR/gdb-$GDB_VERSION/build/*
+cd $DOWNLOADDIR/gdb-$GDB_VERSION/build
+
+../configure --prefix= --target=$TARGET --with-arch=$ARCH --with-float=hard
+make -s -j$(nproc)
+make -s install DESTDIR=$INSTALLDIR
+
+echo "Creating TAR archive ..."
+cd $BUILDDIR
+tar czf cross-gcc-$GCC_VERSION-pi_$FOLDER_VERSION.tar.gz cross-pi-gcc-$GCC_VERSION-$FOLDER_VERSION
+mkdir -p /out
+mv cross-gcc-$GCC_VERSION-pi_$FOLDER_VERSION.tar.gz /out

docker/Dockerfile

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+FROM ubuntu
+
+WORKDIR /rpi-cross
+
+RUN apt-get update \
+    && apt-get install -y \
+        gperf flex texinfo gawk gfortran bison build-essential unzip wget git libncurses-dev autoconf automake \
+        rsync python3 \
+    && git clone https://github.com/lindevs/cross-compiler-raspberrypi.git . \
+    && rm -rf /var/lib/apt/lists/*
+
+ENTRYPOINT ["/bin/bash"]