development/rust: Allow building/bootstrapping for i586.
Signed-off-by: David Spencer <idlemoor@slackbuilds.org>
This commit is contained in:
Andrew Clemons
David Spencer
parent
ccfcfd9292
commit
34ae60b2d9
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@ -38,27 +38,59 @@ TAG=${TAG:-_SBo}
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if [ -z "$ARCH" ]; then
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case "$( uname -m )" in
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i?86) ARCH=i686 ;;
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armv7*) ARCH=$( uname -m ) ;;
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i?86) ARCH=i586 ;;
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arm*) ARCH=arm ;;
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*) ARCH=$( uname -m ) ;;
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esac
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fi
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# if you already have rust and cargo installed, you can bootstrap from the
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# previous version.
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if [ "$LOCAL_BOOTSTRAP" = "" ] && [ -x /usr/bin/cargo ] && [ -x /usr/bin/rustc ] ; then
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LOCAL_BOOTSTRAP=yes
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fi
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# https://forge.rust-lang.org/platform-support.html
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# Bootstrapping ARCH:
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if [ "$ARCH" = "i586" ]; then
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if [ "$LOCAL_BOOTSTRAP" = "yes" ] ; then
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if rustc -Vv | grep host | grep i586 > /dev/null ; then
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BARCH="$ARCH"
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else
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echo "Your exising rust cannot bootstrap an i586 toolchain. Either set LOCAL_BOOTSTRAP=no or remove your existing rust package and do a full bootstrap."
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exit 1
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fi
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else
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# i586 must be built on a i686 machine, since the bootstrap compiler is i686
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BARCH="i686"
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elif case $ARCH in armv7*) true;; *) false;; esac; then
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BARCH="armv7"
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if case "$( uname -m )" in i586) true ;; *) false ;; esac ; then
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echo "rust must be bootstrapped from an i686 machine"
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exit 1
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fi
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fi
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else
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BARCH="$ARCH"
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fi
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TARCH="$ARCH"
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# Bootstrapping ABI:
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if case $ARCH in armv7*) true;; *) false;; esac; then
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if [ "$ARCH" = "arm" ]; then
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if readelf -h /bin/bash | grep Flags | grep hard > /dev/null 2>&1 ; then
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# hardfloat
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BABI="gnueabihf"
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elif [ "$ARCH" = "arm" ]; then
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BARCH="armv7"
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TARCH="$BARCH"
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else
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# softfloat
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BABI="gnueabi"
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if case "$( uname -m )" in armv5*) true ;; *) false ;; esac ; then
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echo "rust must be bootstrapped from an armv6 machine or later"
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exit 1
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fi
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fi
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else
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BABI="gnu"
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fi
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@ -77,9 +109,13 @@ elif [ "$ARCH" = "i686" ]; then
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elif [ "$ARCH" = "x86_64" ]; then
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SLKCFLAGS="-O2 -fPIC"
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LIBDIRSUFFIX="64"
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elif case $ARCH in armv7*) true;; *) false;; esac; then
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SLKCFLAGS="-O2 -march=armv7-a -mfpu=vfpv3-d16"
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elif [ "$ARCH" = "arm" ] ; then
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SLKCFLAGS="-O2"
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LIBDIRSUFFIX=""
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if [ "$BABI" = "gnueabihf" ] ; then
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SLKCFLAGS="$SLKCFLAGS -march=armv7-a -mfpu=vfpv3-d16 -mfloat-abi=hard"
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fi
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else
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SLKCFLAGS="-O2"
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LIBDIRSUFFIX=""
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@ -94,12 +130,6 @@ rm -rf $SRCNAM-$VERSION-src
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tar xvf $CWD/$SRCNAM-$VERSION-src.tar.gz
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cd $SRCNAM-$VERSION-src
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# if you already have rust and cargo installed, you can bootstrap from the
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# previous version.
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if [ "$LOCAL_BOOTSTRAP" = "" ] && [ -x /usr/bin/cargo ] && [ -x /usr/bin/rustc ] ; then
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LOCAL_BOOTSTRAP=yes
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fi
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if [ "$LOCAL_BOOTSTRAP" != "yes" ] ; then
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# rust requires bootstrapping with the previous rust version.
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# versions are defined in src/stage0.txt
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@ -108,6 +138,11 @@ if [ "$LOCAL_BOOTSTRAP" != "yes" ] ; then
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$CWD/$SRCNAM-$RSTAGE0_VERSION-$BARCH-unknown-linux-$BABI.tar.gz \
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build/cache/$RSTAGE0_DIR
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if [ "$TARCH" = "i586" ] ; then
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cp $CWD/$PRGNAM-std-$RSTAGE0_VERSION-$TARCH-unknown-linux-$BABI.tar.gz \
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build/cache/$RSTAGE0_DIR
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fi
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mkdir -p build/cache/$CSTAGE0_DIR
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cp $CWD/cargo-$CSTAGE0_VERSION-$BARCH-unknown-linux-$BABI.tar.gz build/cache/$CSTAGE0_DIR
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fi
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@ -115,6 +150,9 @@ fi
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# src/bootstrap/config.toml.example
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cat << EOF > config.toml
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[build]
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build = "$BARCH-unknown-linux-$BABI"
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host = ["$TARCH-unknown-linux-$BABI"]
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target = ["$TARCH-unknown-linux-$BABI"]
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vendor = true
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extended = true
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@ -126,12 +164,24 @@ mandir = "man"
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[rust]
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codegen-units = 0
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debuginfo = true
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debuginfo = false
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channel = "stable"
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rpath = false
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codegen-tests = false
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[target.$BARCH-unknown-linux-$BABI]
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[target.i586-unknown-linux-gnu]
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llvm-config = "/usr/bin/llvm-config"
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[target.i686-unknown-linux-gnu]
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llvm-config = "/usr/bin/llvm-config"
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[target.x86_64-unknown-linux-gnu]
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llvm-config = "/usr/bin/llvm-config"
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[target.arm-unknown-linux-gnuabi]
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llvm-config = "/usr/bin/llvm-config"
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[target.armv7-unknown-linux-gnuabihf]
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llvm-config = "/usr/bin/llvm-config"
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EOF
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@ -146,7 +196,37 @@ find -L . \
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\( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
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-o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
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if [ "$BARCH" = "i686" ] && [ "$TARCH" = "i586" ] ; then
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# this will cause some messages like:
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# warning: redundant linker flag specified for library `m`
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# but will keep the build from falling over when doing the stage1 compiler
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# linking for the i586 compiler. seems the correct flags don't get passed
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# through and we end up failures like:
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# error: linking with `clang` failed: exit code: 1
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# /tmp/SBo/rustc-1.20.0-src/build/i686-unknown-linux-gnu/stage1-rustc/i586-unknown-linux-gnu/release/deps/librustc_llvm-4ab259c9aed547db.so: undefined reference to `xxx`
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export RUSTFLAGS="$RUSTFLAGS -C link-args=-lffi -lrt -ldl -lcurses -lpthread -lz -lm"
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else
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# https://github.com/rust-lang/rust/issues/39880
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# $ llvm-config --system-libs
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# -lrt -ldl -lcurses -lpthread -lz -lm
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export RUSTFLAGS="$RUSTFLAGS -C link-args=-lffi"
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fi
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export PKG_CONFIG_ALLOW_CROSS=1
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if [ "$BARCH" = "i586" ] ; then
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# when bootstrapping from i586 (rust already installed), also build a i686
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# rustlib
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# from config.toml.example:
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# In addition to all host triples, other triples to produce the standard library
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# for. Each host triple will be used to produce a copy of the standard library
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# for each target triple.
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#target = ["x86_64-unknown-linux-gnu"] # defaults to just the build triple
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sed -i 's/^target =.*$/target = ["i686-unknown-linux-gnu"]/' config.toml
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fi
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# README.md says gcc 4.7 / clang 3.x or later needed
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# but building fails for me with GCC 5.3 from slackware 14.2
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@ -165,7 +245,7 @@ DESTDIR=$PKG python x.py install
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#rm -f $PKG/usr/lib$LIBDIRSUFFIX/rustlib/rust-installer-version
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#rm -f $PKG/usr/lib$LIBDIRSUFFIX/rustlib/uninstall.sh
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# Make sure the paths are correct, though:
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sed -i "s,/tmp/package-rust/,/,g" $PKG/usr/lib$LIBDIRSUFFIX/rustlib/install.log $PKG/usr/lib$LIBDIRSUFFIX/rustlib/manifest-*
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sed -i "s,$PKG/,/,g" $PKG/usr/lib$LIBDIRSUFFIX/rustlib/install.log $PKG/usr/lib$LIBDIRSUFFIX/rustlib/manifest-*
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# And a little compression doesn't hurt either:
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gzip -9 $PKG/usr/lib$LIBDIRSUFFIX/rustlib/manifest-*
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@ -3,10 +3,12 @@ VERSION="1.20.0"
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HOMEPAGE="https://www.rust-lang.org"
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DOWNLOAD="https://static.rust-lang.org/dist/rustc-1.20.0-src.tar.gz \
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https://static.rust-lang.org/dist/2017-07-20/cargo-0.20.0-i686-unknown-linux-gnu.tar.gz \
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https://static.rust-lang.org/dist/2017-07-20/rust-std-1.19.0-i586-unknown-linux-gnu.tar.gz \
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https://static.rust-lang.org/dist/2017-07-20/rust-std-1.19.0-i686-unknown-linux-gnu.tar.gz \
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https://static.rust-lang.org/dist/2017-07-20/rustc-1.19.0-i686-unknown-linux-gnu.tar.gz"
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MD5SUM="1d3c5d25d8e6215e7d0b6d4d4c9835b9 \
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1de2d0fb8e09d3c976ac8d874f158f57 \
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20462edfd584959cf48d24772fc224ff \
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7e7d4a768fe05264fc23cb2afef75740 \
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9711f634011658b451f315916234c88e"
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DOWNLOAD_x86_64="https://static.rust-lang.org/dist/rustc-1.20.0-src.tar.gz \
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