Update libc crate to 0.2.45

This change updates the libc crate to version 0.2.45.

Import subrepo libc/:libc at f5636fc618f8e16968b3178196d73c94ad9f7b05

1 files changed, 43 insertions, 26 deletions

diff --git a/libc/ci/run.sh b/libc/ci/run.sh
index 02dd35a..81ebd61 100755
--- a/libc/ci/run.sh
+++ b/libc/ci/run.sh
@@ -1,11 +1,11 @@
-#!/bin/sh
+#!/usr/bin/env sh
 
 # Builds and runs tests for a particular target passed as an argument to this
 # script.
 
 set -ex
 
-TARGET=$1
+TARGET="${1}"
 
 # If we're going to run tests inside of a qemu image, then we don't need any of
 # the scripts below. Instead, download the image, prepare a filesystem which has
@@ -15,45 +15,53 @@ TARGET=$1
 # script from the second which we place inside.
 if [ "$QEMU" != "" ]; then
   tmpdir=/tmp/qemu-img-creation
-  mkdir -p $tmpdir
+  mkdir -p "${tmpdir}"
 
   if [ -z "${QEMU#*.gz}" ]; then
     # image is .gz : download and uncompress it
-    qemufile=$(echo ${QEMU%.gz} | sed 's/\//__/g')
-    if [ ! -f $tmpdir/$qemufile ]; then
-      curl https://s3-us-west-1.amazonaws.com/rust-lang-ci2/libc/$QEMU | \
-        gunzip -d > $tmpdir/$qemufile
+    qemufile="$(echo "${QEMU%.gz}" | sed 's/\//__/g')"
+    if [ ! -f "${tmpdir}/${qemufile}" ]; then
+      curl --retry 5 "https://s3-us-west-1.amazonaws.com/rust-lang-ci2/libc/${QEMU}" | \
+          gunzip -d > "${tmpdir}/${qemufile}"
+    fi
+  elif [ -z "${QEMU#*.xz}" ]; then
+    # image is .xz : download and uncompress it
+    qemufile="$(echo "${QEMU%.xz}" | sed 's/\//__/g')"
+    if [ ! -f "${tmpdir}/${qemufile}" ]; then
+      curl --retry 5 "https://s3-us-west-1.amazonaws.com/rust-lang-ci2/libc/${QEMU}" | \
+          unxz > "${tmpdir}/${qemufile}"
     fi
   else
     # plain qcow2 image: just download it
-    qemufile=$(echo ${QEMU} | sed 's/\//__/g')
-    if [ ! -f $tmpdir/$qemufile ]; then
-      curl https://s3-us-west-1.amazonaws.com/rust-lang-ci2/libc/$QEMU \
-        > $tmpdir/$qemufile
+    qemufile="$(echo "${QEMU}" | sed 's/\//__/g')"
+    if [ ! -f "${tmpdir}/${qemufile}" ]; then
+      curl --retry 5 "https://s3-us-west-1.amazonaws.com/rust-lang-ci2/libc/${QEMU}" \
+        > "${tmpdir}/${qemufile}"
     fi
   fi
 
   # Create a mount a fresh new filesystem image that we'll later pass to QEMU.
   # This will have a `run.sh` script will which use the artifacts inside to run
   # on the host.
-  rm -f $tmpdir/libc-test.img
-  mkdir $tmpdir/mount
+  rm -f "${tmpdir}/libc-test.img"
+  mkdir "${tmpdir}/mount"
 
   # Do the standard rigamarole of cross-compiling an executable and then the
   # script to run just executes the binary.
   cargo build \
     --manifest-path libc-test/Cargo.toml \
-    --target $TARGET \
+    --target "${TARGET}" \
     --test main
-  rm $CARGO_TARGET_DIR/$TARGET/debug/main-*.d
-  cp $CARGO_TARGET_DIR/$TARGET/debug/main-* $tmpdir/mount/libc-test
-  echo 'exec $1/libc-test' > $tmpdir/mount/run.sh
+  rm "${CARGO_TARGET_DIR}/${TARGET}"/debug/main-*.d
+  cp "${CARGO_TARGET_DIR}/${TARGET}"/debug/main-* "${tmpdir}"/mount/libc-test
+  # shellcheck disable=SC2016
+  echo 'exec $1/libc-test' > "${tmpdir}/mount/run.sh"
 
-  du -sh $tmpdir/mount
+  du -sh "${tmpdir}/mount"
   genext2fs \
-      --root $tmpdir/mount \
+      --root "${tmpdir}/mount" \
       --size-in-blocks 100000 \
-      $tmpdir/libc-test.img
+      "${tmpdir}/libc-test.img"
 
   # Pass -snapshot to prevent tampering with the disk images, this helps when
   # running this script in development. The two drives are then passed next,
@@ -63,20 +71,29 @@ if [ "$QEMU" != "" ]; then
   qemu-system-x86_64 \
     -m 1024 \
     -snapshot \
-    -drive if=virtio,file=$tmpdir/$qemufile \
-    -drive if=virtio,file=$tmpdir/libc-test.img \
+    -drive if=virtio,file="${tmpdir}/${qemufile}" \
+    -drive if=virtio,file="${tmpdir}/libc-test.img" \
     -net nic,model=virtio \
     -net user \
     -nographic \
-    -vga none 2>&1 | tee $CARGO_TARGET_DIR/out.log
-  exec grep "^PASSED .* tests" $CARGO_TARGET_DIR/out.log
+    -vga none 2>&1 | tee "${CARGO_TARGET_DIR}/out.log"
+  exec grep "^PASSED .* tests" "${CARGO_TARGET_DIR}/out.log"
 fi
 
-# FIXME: x86_64-unknown-linux-gnux32 fail to compile wihout --release
+# FIXME: x86_64-unknown-linux-gnux32 fail to compile without --release
 # See https://github.com/rust-lang/rust/issues/45417
 opt=
 if [ "$TARGET" = "x86_64-unknown-linux-gnux32" ]; then
   opt="--release"
 fi
 
-exec cargo test $opt --manifest-path libc-test/Cargo.toml --target $TARGET
+# Building with --no-default-features is currently broken on rumprun because we
+# need cfg(target_vendor), which is currently unstable.
+if [ "$TARGET" != "x86_64-rumprun-netbsd" ]; then
+  cargo test $opt --no-default-features --manifest-path libc-test/Cargo.toml --target "${TARGET}"
+fi
+# Test the #[repr(align(x))] feature if this is building on Rust >= 1.25
+if [ "$(rustc --version | sed -E 's/^rustc 1\.([0-9]*)\..*/\1/')" -ge 25 ]; then
+  cargo test $opt --features align --manifest-path libc-test/Cargo.toml --target "${TARGET}"
+fi
+exec cargo test $opt --manifest-path libc-test/Cargo.toml --target "${TARGET}"