53 lines
2 KiB
Nix
53 lines
2 KiB
Nix
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{ fetchurl, mkDerivationStage2
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, stage1, static-gnumake, musl, clang, linux-headers }:
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let
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source-tarball-busybox = fetchurl {
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# local = /downloads/busybox-1.36.1.tar.bz2;
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url = "https://busybox.net/downloads/busybox-1.36.1.tar.bz2";
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sha256 = "b8cc24c9574d809e7279c3be349795c5d5ceb6fdf19ca709f80cde50e47de314";
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};
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in
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mkDerivationStage2 {
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name = "bootstrap-2b2-busybox";
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buildInputPaths = [
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"${stage1.protobusybox}/bin"
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"${static-gnumake}/bin"
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"${clang}/bin"
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];
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script = ''
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mkdir build-dir; cd build-dir
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# alias ash to sh:
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mkdir aliases; ln -s ${stage1.protobusybox}/bin/ash aliases/sh
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export PATH="$(pwd)/aliases:$PATH"
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# unpack:
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unpack ${source-tarball-busybox}
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# fixup:
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echo -e '#!${stage1.protobusybox}/bin/ash\nprintf 9999' \
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> scripts/gcc-version.sh
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sed -i 's|/bin/sh|${stage1.protobusybox}/bin/ash|g' \
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scripts/gen_build_files.sh \
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scripts/mkconfigs scripts/embedded_scripts scripts/trylink \
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scripts/generate_BUFSIZ.sh \
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applets/usage_compressed applets/busybox.mkscripts applets/install.sh
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# configure:
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echo "### $0: configuring busybox..."
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BUSYBOX_FLAGS='CONFIG_SHELL=${stage1.protobusybox}/bin/ash'
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BUSYBOX_FLAGS="$BUSYBOX_FLAGS CC=cc HOSTCC=cc"
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BUSYBOX_FLAGS="$BUSYBOX_FLAGS KCONFIG_NOTIMESTAMP=y"
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BUSYBOX_CFLAGS="CFLAGS=-I${linux-headers}/include"
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make -j $NPROC $BUSYBOX_FLAGS "$BUSYBOX_CFLAGS" defconfig
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sed -i 's|CONFIG_INSTALL_NO_USR=y|CONFIG_INSTALL_NO_USR=n|' .config
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# build:
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make -j $NPROC $BUSYBOX_FLAGS "$BUSYBOX_CFLAGS" busybox busybox.links
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sed -i 's|^/usr/s\?bin/|/bin/|' busybox.links
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# install:
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make -j $NPROC $BUSYBOX_FLAGS "$BUSYBOX_CFLAGS" \
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install CONFIG_PREFIX=$out
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# check for build path leaks:
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( ! grep -rF $(pwd) $out )
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'';
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extra.allowedRequisites = [ "out" musl clang ];
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extra.allowedReferences = [ "out" musl clang ];
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}
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