Update libc crate to 0.2.57

This change updates the libc crate to version 0.2.57.

Import subrepo libc/:libc at cdc48ea36d8d2890dba38e8f779001e6855339a2

13 files changed, 30 insertions, 73 deletions

diff --git a/libc/ci/docker/aarch64-linux-android/Dockerfile b/libc/ci/docker/aarch64-linux-android/Dockerfile
index 1458423..6751dd9 100644
--- a/libc/ci/docker/aarch64-linux-android/Dockerfile
+++ b/libc/ci/docker/aarch64-linux-android/Dockerfile
@@ -9,7 +9,7 @@ RUN dpkg --add-architecture i386 && \
   python \
   unzip \
   expect \
-  openjdk-11-jre \
+  openjdk-8-jre \
   libstdc++6:i386 \
   libpulse0 \
   gcc \
diff --git a/libc/ci/docker/aarch64-unknown-linux-musl/Dockerfile b/libc/ci/docker/aarch64-unknown-linux-musl/Dockerfile
index 143a960..e9634bf 100644
--- a/libc/ci/docker/aarch64-unknown-linux-musl/Dockerfile
+++ b/libc/ci/docker/aarch64-unknown-linux-musl/Dockerfile
@@ -3,21 +3,9 @@ FROM ubuntu:19.04
 RUN apt-get update && apt-get install -y --no-install-recommends \
   gcc make libc6-dev git curl ca-certificates \
   gcc-aarch64-linux-gnu qemu-user
-RUN curl --retry 5 https://www.musl-libc.org/releases/musl-1.1.19.tar.gz | \
-    tar xzf - && \
-    cd musl-1.1.19 && \
-    CC=aarch64-linux-gnu-gcc \
-    ./configure --prefix=/musl-aarch64 --enable-wrapper=yes && \
-    make install -j4 && \
-    cd .. && \
-    rm -rf musl-1.1.19
-# Install linux kernel headers sanitized for use with musl
-RUN curl --retry 5 -L https://github.com/sabotage-linux/kernel-headers/archive/v3.12.6-6.tar.gz | \
-    tar xzf - && \
-    cd kernel-headers-3.12.6-6 && \
-    make ARCH=arm64 prefix=/musl-aarch64 install -j4 && \
-    cd .. && \
-    rm -rf kernel-headers-3.12.6-6
+
+COPY install-musl.sh /
+RUN sh /install-musl.sh aarch64
 
 # FIXME: shouldn't need the `-lgcc` here, shouldn't that be in libstd?
 ENV PATH=$PATH:/musl-aarch64/bin:/rust/bin \
diff --git a/libc/ci/docker/arm-linux-androideabi/Dockerfile b/libc/ci/docker/arm-linux-androideabi/Dockerfile
index acc784e..544d167 100644
--- a/libc/ci/docker/arm-linux-androideabi/Dockerfile
+++ b/libc/ci/docker/arm-linux-androideabi/Dockerfile
@@ -9,7 +9,7 @@ RUN dpkg --add-architecture i386 && \
   python \
   unzip \
   expect \
-  openjdk-11-jre \
+  openjdk-8-jre \
   libstdc++6:i386 \
   libpulse0 \
   gcc \
diff --git a/libc/ci/docker/arm-unknown-linux-musleabihf/Dockerfile b/libc/ci/docker/arm-unknown-linux-musleabihf/Dockerfile
index e29e854..639b141 100644
--- a/libc/ci/docker/arm-unknown-linux-musleabihf/Dockerfile
+++ b/libc/ci/docker/arm-unknown-linux-musleabihf/Dockerfile
@@ -4,20 +4,8 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   gcc make libc6-dev git curl ca-certificates \
   gcc-arm-linux-gnueabihf qemu-user
 
-RUN curl --retry 5 https://www.musl-libc.org/releases/musl-1.1.19.tar.gz | tar xzf -
-WORKDIR /musl-1.1.19
-RUN CC=arm-linux-gnueabihf-gcc \
-    CFLAGS="-march=armv6 -marm -mfpu=vfp" \
-    ./configure --prefix=/musl-arm --enable-wrapper=yes
-RUN make install -j4
-
-# Install linux kernel headers sanitized for use with musl
-RUN curl --retry 5 -L https://github.com/sabotage-linux/kernel-headers/archive/v3.12.6-6.tar.gz | \
-    tar xzf - && \
-    cd kernel-headers-3.12.6-6 && \
-    make ARCH=arm prefix=/musl-arm install -j4 && \
-    cd .. && \
-    rm -rf kernel-headers-3.12.6-6
+COPY install-musl.sh /
+RUN sh /install-musl.sh arm
 
 ENV PATH=$PATH:/musl-arm/bin:/rust/bin \
     CC_arm_unknown_linux_musleabihf=musl-gcc \
diff --git a/libc/ci/docker/i686-linux-android/Dockerfile b/libc/ci/docker/i686-linux-android/Dockerfile
index 59ea2d7..5403220 100644
--- a/libc/ci/docker/i686-linux-android/Dockerfile
+++ b/libc/ci/docker/i686-linux-android/Dockerfile
@@ -9,7 +9,7 @@ RUN dpkg --add-architecture i386 && \
   python \
   unzip \
   expect \
-  openjdk-11-jre \
+  openjdk-8-jre \
   libstdc++6:i386 \
   libpulse0 \
   gcc \
diff --git a/libc/ci/docker/i686-unknown-linux-musl/Dockerfile b/libc/ci/docker/i686-unknown-linux-musl/Dockerfile
index c085c10..ac76a32 100644
--- a/libc/ci/docker/i686-unknown-linux-musl/Dockerfile
+++ b/libc/ci/docker/i686-unknown-linux-musl/Dockerfile
@@ -4,28 +4,9 @@ RUN dpkg --add-architecture i386
 RUN apt-get update
 RUN apt-get install -y --no-install-recommends \
   gcc-multilib make libc6-dev git curl ca-certificates libc6:i386
-# Below we're cross-compiling musl for i686 using the system compiler on an
-# x86_64 system. This is an awkward thing to be doing and so we have to jump
-# through a couple hoops to get musl to be happy. In particular:
-#
-# * We specifically pass -m32 in CFLAGS and override CC when running ./configure,
-#   since otherwise the script will fail to find a compiler.
-# * We manually unset CROSS_COMPILE when running make; otherwise the makefile
-#   will call the non-existent binary 'i686-ar'.
-RUN curl --retry 5 https://www.musl-libc.org/releases/musl-1.1.19.tar.gz | \
-    tar xzf - && \
-    cd musl-1.1.19 && \
-    CC=gcc CFLAGS=-m32 ./configure --prefix=/musl-i686 --disable-shared --target=i686 && \
-    make CROSS_COMPILE= install -j4 && \
-    cd .. && \
-    rm -rf musl-1.1.19
-# Install linux kernel headers sanitized for use with musl
-RUN curl --retry 5 -L https://github.com/sabotage-linux/kernel-headers/archive/v3.12.6-6.tar.gz | \
-    tar xzf - && \
-    cd kernel-headers-3.12.6-6 && \
-    make ARCH=i386 prefix=/musl-i686 install -j4 && \
-    cd .. && \
-    rm -rf kernel-headers-3.12.6-6
+
+COPY install-musl.sh /
+RUN sh /install-musl.sh i686
 
 ENV PATH=$PATH:/musl-i686/bin:/rust/bin \
     CC_i686_unknown_linux_musl=musl-gcc
diff --git a/libc/ci/docker/mips-unknown-linux-gnu/Dockerfile b/libc/ci/docker/mips-unknown-linux-gnu/Dockerfile
index 9f1bcaf..c8623a5 100644
--- a/libc/ci/docker/mips-unknown-linux-gnu/Dockerfile
+++ b/libc/ci/docker/mips-unknown-linux-gnu/Dockerfile
@@ -3,7 +3,7 @@ FROM ubuntu:19.04
 RUN apt-get update && apt-get install -y --no-install-recommends \
         gcc libc6-dev qemu-user ca-certificates \
         gcc-mips-linux-gnu libc6-dev-mips-cross \
-        qemu-system-mips
+        qemu-system-mips linux-headers-generic
 
 ENV CARGO_TARGET_MIPS_UNKNOWN_LINUX_GNU_LINKER=mips-linux-gnu-gcc \
     CARGO_TARGET_MIPS_UNKNOWN_LINUX_GNU_RUNNER="qemu-mips -L /usr/mips-linux-gnu" \
diff --git a/libc/ci/docker/mips-unknown-linux-musl/Dockerfile b/libc/ci/docker/mips-unknown-linux-musl/Dockerfile
index 7f2764c..aee73be 100644
--- a/libc/ci/docker/mips-unknown-linux-musl/Dockerfile
+++ b/libc/ci/docker/mips-unknown-linux-musl/Dockerfile
@@ -9,7 +9,7 @@ RUN mkdir /toolchain
 # Note that this originally came from:
 # https://downloads.openwrt.org/snapshots/trunk/ar71xx/generic/OpenWrt-SDK-ar71xx-generic_gcc-5.3.0_musl-1.1.15.Linux-x86_64.tar.bz2
 RUN curl --retry 5 -L https://s3-us-west-1.amazonaws.com/rust-lang-ci2/libc/OpenWrt-SDK-ar71xx-generic_gcc-5.3.0_musl-1.1.15.Linux-x86_64.tar.bz2 | \
-      tar xjf - -C /toolchain --strip-components=1
+    tar xjf - -C /toolchain --strip-components=1
 
 ENV PATH=$PATH:/rust/bin:/toolchain/staging_dir/toolchain-mips_34kc_gcc-5.3.0_musl-1.1.15/bin \
     CC_mips_unknown_linux_musl=mips-openwrt-linux-gcc \
diff --git a/libc/ci/docker/mips64-unknown-linux-gnuabi64/Dockerfile b/libc/ci/docker/mips64-unknown-linux-gnuabi64/Dockerfile
index b97cdb4..d4b972d 100644
--- a/libc/ci/docker/mips64-unknown-linux-gnuabi64/Dockerfile
+++ b/libc/ci/docker/mips64-unknown-linux-gnuabi64/Dockerfile
@@ -3,7 +3,7 @@ FROM ubuntu:19.04
 RUN apt-get update && apt-get install -y --no-install-recommends \
         gcc libc6-dev qemu-user ca-certificates \
         gcc-mips64-linux-gnuabi64 libc6-dev-mips64-cross \
-        qemu-system-mips64
+        qemu-system-mips64 linux-headers-generic
 
 ENV CARGO_TARGET_MIPS64_UNKNOWN_LINUX_GNUABI64_LINKER=mips64-linux-gnuabi64-gcc \
     CARGO_TARGET_MIPS64_UNKNOWN_LINUX_GNUABI64_RUNNER="qemu-mips64 -L /usr/mips64-linux-gnuabi64" \
diff --git a/libc/ci/docker/mips64el-unknown-linux-gnuabi64/Dockerfile b/libc/ci/docker/mips64el-unknown-linux-gnuabi64/Dockerfile
index 7f79452..d0303da 100644
--- a/libc/ci/docker/mips64el-unknown-linux-gnuabi64/Dockerfile
+++ b/libc/ci/docker/mips64el-unknown-linux-gnuabi64/Dockerfile
@@ -3,7 +3,7 @@ FROM ubuntu:19.04
 RUN apt-get update && apt-get install -y --no-install-recommends \
         gcc libc6-dev qemu-user ca-certificates \
         gcc-mips64el-linux-gnuabi64 libc6-dev-mips64el-cross \
-        qemu-system-mips64el
+        qemu-system-mips64el linux-headers-generic
 
 ENV CARGO_TARGET_MIPS64EL_UNKNOWN_LINUX_GNUABI64_LINKER=mips64el-linux-gnuabi64-gcc \
     CARGO_TARGET_MIPS64EL_UNKNOWN_LINUX_GNUABI64_RUNNER="qemu-mips64el -L /usr/mips64el-linux-gnuabi64" \
diff --git a/libc/ci/docker/wasm32-unknown-emscripten/Dockerfile b/libc/ci/docker/wasm32-unknown-emscripten/Dockerfile
index de8e353..c0ce825 100644
--- a/libc/ci/docker/wasm32-unknown-emscripten/Dockerfile
+++ b/libc/ci/docker/wasm32-unknown-emscripten/Dockerfile
@@ -3,11 +3,17 @@ FROM ubuntu:19.04
 RUN apt-get update && \
     apt-get install -y --no-install-recommends \
     ca-certificates \
+    g++ \
+    make \
+    file \
     curl \
     gcc \
     git \
     libc6-dev \
     python \
+    cmake \
+    sudo \
+    gdb \
     xz-utils
 
 COPY emscripten.sh /
diff --git a/libc/ci/docker/x86_64-unknown-linux-gnu/Dockerfile b/libc/ci/docker/x86_64-unknown-linux-gnu/Dockerfile
index 0dbb191..bfa2b17 100644
--- a/libc/ci/docker/x86_64-unknown-linux-gnu/Dockerfile
+++ b/libc/ci/docker/x86_64-unknown-linux-gnu/Dockerfile
@@ -1,5 +1,9 @@
 FROM ubuntu:19.04
 RUN apt-get update
 RUN apt-get install -y --no-install-recommends \
-  gcc libc6-dev ca-certificates
+  gcc libc6-dev ca-certificates linux-headers-generic
+
+RUN apt search linux-headers
+RUN ls /usr/src
+
 ENV PATH=$PATH:/rust/bin
diff --git a/libc/ci/docker/x86_64-unknown-linux-musl/Dockerfile b/libc/ci/docker/x86_64-unknown-linux-musl/Dockerfile
index 59164d2..06a081b 100644
--- a/libc/ci/docker/x86_64-unknown-linux-musl/Dockerfile
+++ b/libc/ci/docker/x86_64-unknown-linux-musl/Dockerfile
@@ -3,18 +3,8 @@ FROM ubuntu:19.04
 RUN apt-get update
 RUN apt-get install -y --no-install-recommends \
   gcc make libc6-dev git curl ca-certificates
-RUN curl --retry 5 https://www.musl-libc.org/releases/musl-1.1.19.tar.gz | \
-    tar xzf - && \
-    cd musl-1.1.19 && \
-    ./configure --prefix=/musl-x86_64 && \
-    make install -j4 && \
-    cd .. && \
-    rm -rf musl-1.1.19
-# Install linux kernel headers sanitized for use with musl
-RUN curl --retry 5 -L https://github.com/sabotage-linux/kernel-headers/archive/v3.12.6-6.tar.gz | \
-    tar xzf - && \
-    cd kernel-headers-3.12.6-6 && \
-    make ARCH=x86_64 prefix=/musl-x86_64 install -j4 && \
-    cd .. && \
-    rm -rf kernel-headers-3.12.6-6
+
+COPY install-musl.sh /
+RUN sh /install-musl.sh x86_64
+
 ENV PATH=$PATH:/musl-x86_64/bin:/rust/bin