diff options
Diffstat (limited to 'development/rust/rust.SlackBuild')
| -rw-r--r-- | development/rust/rust.SlackBuild | 122 |
1 files changed, 101 insertions, 21 deletions
diff --git a/development/rust/rust.SlackBuild b/development/rust/rust.SlackBuild index 27c29bbd904c..a8c8a442102b 100644 --- a/development/rust/rust.SlackBuild +++ b/development/rust/rust.SlackBuild @@ -38,27 +38,59 @@ TAG=${TAG:-_SBo} if [ -z "$ARCH" ]; then case "$( uname -m )" in - i?86) ARCH=i686 ;; - armv7*) ARCH=$( uname -m ) ;; + i?86) ARCH=i586 ;; arm*) ARCH=arm ;; *) ARCH=$( uname -m ) ;; esac fi +# if you already have rust and cargo installed, you can bootstrap from the +# previous version. +if [ "$LOCAL_BOOTSTRAP" = "" ] && [ -x /usr/bin/cargo ] && [ -x /usr/bin/rustc ] ; then + LOCAL_BOOTSTRAP=yes +fi + +# https://forge.rust-lang.org/platform-support.html # Bootstrapping ARCH: if [ "$ARCH" = "i586" ]; then - BARCH="i686" -elif case $ARCH in armv7*) true;; *) false;; esac; then - BARCH="armv7" + if [ "$LOCAL_BOOTSTRAP" = "yes" ] ; then + if rustc -Vv | grep host | grep i586 > /dev/null ; then + BARCH="$ARCH" + else + echo "Your exising rust cannot bootstrap an i586 toolchain. Either set LOCAL_BOOTSTRAP=no or remove your existing rust package and do a full bootstrap." + exit 1 + fi + else + # i586 must be built on a i686 machine, since the bootstrap compiler is i686 + BARCH="i686" + + if case "$( uname -m )" in i586) true ;; *) false ;; esac ; then + echo "rust must be bootstrapped from an i686 machine" + exit 1 + fi + fi else BARCH="$ARCH" fi +TARCH="$ARCH" + # Bootstrapping ABI: -if case $ARCH in armv7*) true;; *) false;; esac; then - BABI="gnueabihf" -elif [ "$ARCH" = "arm" ]; then - BABI="gnueabi" +if [ "$ARCH" = "arm" ]; then + if readelf -h /bin/bash | grep Flags | grep hard > /dev/null 2>&1 ; then + # hardfloat + BABI="gnueabihf" + BARCH="armv7" + TARCH="$BARCH" + else + # softfloat + BABI="gnueabi" + + if case "$( uname -m )" in armv5*) true ;; *) false ;; esac ; then + echo "rust must be bootstrapped from an armv6 machine or later" + exit 1 + fi + fi else BABI="gnu" fi @@ -77,9 +109,13 @@ elif [ "$ARCH" = "i686" ]; then elif [ "$ARCH" = "x86_64" ]; then SLKCFLAGS="-O2 -fPIC" LIBDIRSUFFIX="64" -elif case $ARCH in armv7*) true;; *) false;; esac; then - SLKCFLAGS="-O2 -march=armv7-a -mfpu=vfpv3-d16" +elif [ "$ARCH" = "arm" ] ; then + SLKCFLAGS="-O2" LIBDIRSUFFIX="" + + if [ "$BABI" = "gnueabihf" ] ; then + SLKCFLAGS="$SLKCFLAGS -march=armv7-a -mfpu=vfpv3-d16 -mfloat-abi=hard" + fi else SLKCFLAGS="-O2" LIBDIRSUFFIX="" @@ -94,12 +130,6 @@ rm -rf $SRCNAM-$VERSION-src tar xvf $CWD/$SRCNAM-$VERSION-src.tar.gz cd $SRCNAM-$VERSION-src -# if you already have rust and cargo installed, you can bootstrap from the -# previous version. -if [ "$LOCAL_BOOTSTRAP" = "" ] && [ -x /usr/bin/cargo ] && [ -x /usr/bin/rustc ] ; then - LOCAL_BOOTSTRAP=yes -fi - if [ "$LOCAL_BOOTSTRAP" != "yes" ] ; then # rust requires bootstrapping with the previous rust version. # versions are defined in src/stage0.txt @@ -108,6 +138,11 @@ if [ "$LOCAL_BOOTSTRAP" != "yes" ] ; then $CWD/$SRCNAM-$RSTAGE0_VERSION-$BARCH-unknown-linux-$BABI.tar.gz \ build/cache/$RSTAGE0_DIR + if [ "$TARCH" = "i586" ] ; then + cp $CWD/$PRGNAM-std-$RSTAGE0_VERSION-$TARCH-unknown-linux-$BABI.tar.gz \ + build/cache/$RSTAGE0_DIR + fi + mkdir -p build/cache/$CSTAGE0_DIR cp $CWD/cargo-$CSTAGE0_VERSION-$BARCH-unknown-linux-$BABI.tar.gz build/cache/$CSTAGE0_DIR fi @@ -115,6 +150,9 @@ fi # src/bootstrap/config.toml.example cat << EOF > config.toml [build] +build = "$BARCH-unknown-linux-$BABI" +host = ["$TARCH-unknown-linux-$BABI"] +target = ["$TARCH-unknown-linux-$BABI"] vendor = true extended = true @@ -126,12 +164,24 @@ mandir = "man" [rust] codegen-units = 0 -debuginfo = true +debuginfo = false channel = "stable" rpath = false codegen-tests = false -[target.$BARCH-unknown-linux-$BABI] +[target.i586-unknown-linux-gnu] +llvm-config = "/usr/bin/llvm-config" + +[target.i686-unknown-linux-gnu] +llvm-config = "/usr/bin/llvm-config" + +[target.x86_64-unknown-linux-gnu] +llvm-config = "/usr/bin/llvm-config" + +[target.arm-unknown-linux-gnuabi] +llvm-config = "/usr/bin/llvm-config" + +[target.armv7-unknown-linux-gnuabihf] llvm-config = "/usr/bin/llvm-config" EOF @@ -146,7 +196,37 @@ find -L . \ \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \ -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \; -export RUSTFLAGS="$RUSTFLAGS -C link-args=-lffi" +if [ "$BARCH" = "i686" ] && [ "$TARCH" = "i586" ] ; then + # this will cause some messages like: + # warning: redundant linker flag specified for library `m` + # but will keep the build from falling over when doing the stage1 compiler + # linking for the i586 compiler. seems the correct flags don't get passed + # through and we end up failures like: + # error: linking with `clang` failed: exit code: 1 + # /tmp/SBo/rustc-1.20.0-src/build/i686-unknown-linux-gnu/stage1-rustc/i586-unknown-linux-gnu/release/deps/librustc_llvm-4ab259c9aed547db.so: undefined reference to `xxx` + export RUSTFLAGS="$RUSTFLAGS -C link-args=-lffi -lrt -ldl -lcurses -lpthread -lz -lm" +else + # https://github.com/rust-lang/rust/issues/39880 + # $ llvm-config --system-libs + # -lrt -ldl -lcurses -lpthread -lz -lm + export RUSTFLAGS="$RUSTFLAGS -C link-args=-lffi" +fi + +export PKG_CONFIG_ALLOW_CROSS=1 + +if [ "$BARCH" = "i586" ] ; then + # when bootstrapping from i586 (rust already installed), also build a i686 + # rustlib + + # from config.toml.example: + + # In addition to all host triples, other triples to produce the standard library + # for. Each host triple will be used to produce a copy of the standard library + # for each target triple. + #target = ["x86_64-unknown-linux-gnu"] # defaults to just the build triple + + sed -i 's/^target =.*$/target = ["i686-unknown-linux-gnu"]/' config.toml +fi # README.md says gcc 4.7 / clang 3.x or later needed # but building fails for me with GCC 5.3 from slackware 14.2 @@ -165,7 +245,7 @@ DESTDIR=$PKG python x.py install #rm -f $PKG/usr/lib$LIBDIRSUFFIX/rustlib/rust-installer-version #rm -f $PKG/usr/lib$LIBDIRSUFFIX/rustlib/uninstall.sh # Make sure the paths are correct, though: -sed -i "s,/tmp/package-rust/,/,g" $PKG/usr/lib$LIBDIRSUFFIX/rustlib/install.log $PKG/usr/lib$LIBDIRSUFFIX/rustlib/manifest-* +sed -i "s,$PKG/,/,g" $PKG/usr/lib$LIBDIRSUFFIX/rustlib/install.log $PKG/usr/lib$LIBDIRSUFFIX/rustlib/manifest-* # And a little compression doesn't hurt either: gzip -9 $PKG/usr/lib$LIBDIRSUFFIX/rustlib/manifest-* |