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67 lines
1.5 KiB
67 lines
1.5 KiB
6 years ago
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#!/usr/bin/env bash
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# https://blog.tan-ce.com/gcc-bare-metal/
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# https://imvoid.wordpress.com/2013/05/01/building-the-gnu-arm-toolchain-for-bare-metal/
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set -e
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BINUTILS=binutils-2.32
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GCC=gcc-4.7.1
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mkdir -p src
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pushd src
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if [ ! -d $BINUTILS ]; then
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wget ftp://ftp.gnu.org/gnu/binutils/$BINUTILS.tar.bz2
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tar -xf $BINUTILS.tar.bz2
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fi
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popd
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# TODO: replace with /usr
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mkdir -p out
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PREFIX=$PWD/out
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mkdir -p build/$BINUTILS
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pushd build/$BINUTILS
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../../src/$BINUTILS/configure --target=arm-none-eabi \
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--build=aarch64-unknown-linux-gnu \
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--prefix=$PREFIX --with-cpu=cortex-m4 \
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--with-mode=thumb \
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--disable-nls \
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--disable-werror
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make -j4 all
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make install
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popd
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mkdir -p src
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pushd src
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if [ ! -d $GCC ]; then
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wget ftp://ftp.gnu.org/gnu/gcc/$GCC/$GCC.tar.bz2
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tar -xf $GCC.tar.bz2
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cd $GCC
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contrib/download_prerequisites
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fi
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popd
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export PATH="$PREFIX/bin:$PATH"
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mkdir -p build/$GCC
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pushd build/$GCC
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../../src/$GCC/configure --target=arm-none-eabi \
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--build=aarch64-unknown-linux-gnu \
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--disable-libssp --disable-gomp --disable-libstcxx-pch --enable-threads \
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--disable-shared --disable-libmudflap \
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--prefix=$PREFIX --with-cpu=cortex-m4 \
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--with-mode=thumb --disable-multilib \
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--enable-interwork \
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--enable-languages="c" \
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--disable-nls \
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--disable-libgcc
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make -j4 all-gcc
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make install-gcc
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popd
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# replace stdint.h with stdint-gcc.h for Android compatibility
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mv $PREFIX/lib/gcc/arm-none-eabi/4.7.1/include/stdint-gcc.h $PREFIX/lib/gcc/arm-none-eabi/4.7.1/include/stdint.h
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