Drop support for cloudabi targets

[rust.git] / build_sysroot / build_sysroot.sh

diff --git a/build_sysroot/build_sysroot.sh b/build_sysroot/build_sysroot.sh
index 38608e02163b0e117880bd16784f11f6f04aea97..eba15c0dd4308ee2eb8218d3455917554c29eac3 100755 (executable)
--- a/build_sysroot/build_sysroot.sh
+++ b/build_sysroot/build_sysroot.sh
@@ -1,33 +1,39 @@
 #!/bin/bash
+
+# Requires the CHANNEL env var to be set to `debug` or `release.`
+
 set -e
+
+source ./config.sh
+
+dir=$(pwd)
+
+# Use rustc with cg_clif as hotpluggable backend instead of the custom cg_clif driver so that
+# build scripts are still compiled using cg_llvm.
+export RUSTC=$dir"/cg_clif_build_sysroot"
+export RUSTFLAGS=$RUSTFLAGS" --clif"
+
 cd $(dirname "$0")
 
 # Cleanup for previous run
-cargo clean
-rm Cargo.lock 2>/dev/null || true
-rm -r sysroot 2>/dev/null || true
-
-# FIXME find a better way to get the target triple
-unamestr=`uname`
-if [[ "$unamestr" == 'Linux' ]]; then
-   TARGET_TRIPLE='x86_64-unknown-linux-gnu'
-elif [[ "$unamestr" == 'Darwin' ]]; then
-   TARGET_TRIPLE='x86_64-apple-darwin'
-else
-   echo "Unsupported os"
-   exit 1
-fi
+#     v Clean target dir except for build scripts and incremental cache
+rm -r target/*/{debug,release}/{build,deps,examples,libsysroot*,native} 2>/dev/null || true
+
+# We expect the target dir in the default location. Guard against the user changing it.
+export CARGO_TARGET_DIR=target
 
 # Build libs
-export RUSTFLAGS="$RUSTFLAGS -Z force-unstable-if-unmarked --sysroot ../"
-if [[ "$1" == "--release" ]]; then
-    channel='release'
-    RUSTFLAGS="$RUSTFLAGS -Zmir-opt-level=3" cargo build --target $TARGET_TRIPLE --release
+export RUSTFLAGS="$RUSTFLAGS -Zforce-unstable-if-unmarked -Cpanic=abort"
+if [[ "$1" != "--debug" ]]; then
+    sysroot_channel='release'
+    # FIXME Enable incremental again once rust-lang/rust#74946 is fixed
+    # FIXME Enable -Zmir-opt-level=2 again once it doesn't ice anymore
+    CARGO_INCREMENTAL=0 RUSTFLAGS="$RUSTFLAGS" cargo build --target $TARGET_TRIPLE --release
 else
-    channel='debug'
+    sysroot_channel='debug'
     cargo build --target $TARGET_TRIPLE
 fi
 
 # Copy files to sysroot
-mkdir -p sysroot/lib/rustlib/$TARGET_TRIPLE/lib/
-cp target/$TARGET_TRIPLE/$channel/deps/*.rlib sysroot/lib/rustlib/$TARGET_TRIPLE/lib/
+mkdir -p $dir/sysroot/lib/rustlib/$TARGET_TRIPLE/lib/
+cp -a target/$TARGET_TRIPLE/$sysroot_channel/deps/* $dir/sysroot/lib/rustlib/$TARGET_TRIPLE/lib/