Update libc crate to 0.2.23

The 'libc' create got a couple of updates. This change imports the new
code and bumps the version to use.

Import subrepo libc/:libc at 7db3fd570dfb41a38fb17116e93679307178103a

1 files changed, 52 insertions, 0 deletions

diff --git a/libc/ci/android-sysimage.sh b/libc/ci/android-sysimage.sh
new file mode 100644
index 0000000..9611dfe
--- /dev/null
+++ b/libc/ci/android-sysimage.sh
@@ -0,0 +1,52 @@
+# Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+# file at the top-level directory of this distribution and at
+# http://rust-lang.org/COPYRIGHT.
+#
+# Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+# http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+# <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+# option. This file may not be copied, modified, or distributed
+# except according to those terms.
+
+set -ex
+
+URL=https://dl.google.com/android/repository/sys-img/android
+
+main() {
+    local arch=$1
+    local name=$2
+    local dest=/system
+    local td=$(mktemp -d)
+
+    apt-get install --no-install-recommends e2tools
+
+    pushd $td
+    curl -O $URL/$name
+    unzip -q $name
+
+    local system=$(find . -name system.img)
+    mkdir -p $dest/{bin,lib,lib64}
+
+    # Extract android linker and libraries to /system
+    # This allows android executables to be run directly (or with qemu)
+    if [ $arch = "x86_64" -o $arch = "arm64" ]; then
+        e2cp -p $system:/bin/linker64 $dest/bin/
+        e2cp -p $system:/lib64/libdl.so $dest/lib64/
+        e2cp -p $system:/lib64/libc.so $dest/lib64/
+        e2cp -p $system:/lib64/libm.so $dest/lib64/
+    else
+        e2cp -p $system:/bin/linker $dest/bin/
+        e2cp -p $system:/lib/libdl.so $dest/lib/
+        e2cp -p $system:/lib/libc.so $dest/lib/
+        e2cp -p $system:/lib/libm.so $dest/lib/
+    fi
+
+    # clean up
+    apt-get purge --auto-remove -y e2tools
+
+    popd
+
+    rm -rf $td
+}
+
+main "${@}"