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#!/bin/sh
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set -e
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# Use qemu if necessary
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#qemu=qemu-i386
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qemu=
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NPROC="${NPROC:-$(nproc)}"
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rm -rf system
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mkdir -p builds
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# Stage 1: Build matching mes and busybox binaries
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NPROC="$NPROC" ./build_binaries.sh
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mv system/binaries.tar.gz builds/
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# Stage 2: Bootstrap system from these
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mkdir -p system/sources/
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cp -av sources/* system/sources/
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cp build_bootstrap.sh system/sources/
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mkdir system/dev system/tmp
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mknod system/dev/null c 1 3
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mknod system/dev/tty c 5 0
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$qemu system/bin/busybox chroot system /bin/busybox env -i NPROC="$NPROC" /bin/busybox sh /sources/build_bootstrap.sh
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mv system/bootstrap.tar.gz builds/
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# Stage 2.5 (optional): Rebuild bootstrap binaries to have a "clean" archive
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if [ "$1" = double_bootstrap ]; then
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cp build_binaries.sh binaries.sha1 busybox-config system/
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$qemu system/bootstrap/bin/chroot system /bootstrap/bin/env -i NPROC="$NPROC" PATH=/bootstrap/bin /bootstrap/bin/sh /build_binaries.sh
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mv system/system/binaries.tar.gz builds/
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rm system/build_binaries.sh system/binaries.sha1 system/busybox-config
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rm -rf system/system/
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fi
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# Stage 3: Cross-compile system for x86_64
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cp build_cross.sh system/sources
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$qemu system/bootstrap/bin/chroot system /bootstrap/bin/env -i NPROC="$NPROC" /bootstrap/bin/sh /sources/build_cross.sh
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mv system/system/cross.tar.gz builds/
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