diff --git a/src/ci/docker/host-x86_64/dist-arm-linux/Dockerfile b/src/ci/docker/host-x86_64/dist-arm-linux/Dockerfile
index ba93f6ad82403..88b13eab2d08c 100644
--- a/src/ci/docker/host-x86_64/dist-arm-linux/Dockerfile
+++ b/src/ci/docker/host-x86_64/dist-arm-linux/Dockerfile
@@ -6,6 +6,14 @@ RUN sh /scripts/cross-apt-packages.sh
COPY scripts/crosstool-ng-1.24.sh /scripts/
RUN sh /scripts/crosstool-ng-1.24.sh
+WORKDIR /build
+
+COPY scripts/musl-toolchain.sh /build/
+# We need to mitigate rust-lang/rust#34978 when compiling musl itself as well
+RUN CFLAGS="-Wa,--compress-debug-sections=none -Wl,--compress-debug-sections=none" \
+ CXXFLAGS="-Wa,--compress-debug-sections=none -Wl,--compress-debug-sections=none" \
+ bash musl-toolchain.sh aarch64 && rm -rf build
+
COPY scripts/rustbuild-setup.sh /scripts/
RUN sh /scripts/rustbuild-setup.sh
USER rustbuild
@@ -25,7 +33,8 @@ ENV CC_arm_unknown_linux_gnueabi=arm-unknown-linux-gnueabi-gcc \
AR_arm_unknown_linux_gnueabi=arm-unknown-linux-gnueabi-ar \
CXX_arm_unknown_linux_gnueabi=arm-unknown-linux-gnueabi-g++
-ENV HOSTS=arm-unknown-linux-gnueabi
+ENV HOSTS=arm-unknown-linux-gnueabi,aarch64-unknown-linux-musl
-ENV RUST_CONFIGURE_ARGS --enable-full-tools --disable-docs
+ENV RUST_CONFIGURE_ARGS --enable-full-tools --disable-docs --musl-root-aarch64=/usr/local/aarch64-linux-musl \
+ --set target.aarch64-unknown-linux-musl.crt-static=false
ENV SCRIPT python3 ../x.py dist --host $HOSTS --target $HOSTS
diff --git a/src/ci/docker/host-x86_64/dist-arm-linux/arm-linux-gnueabi.config b/src/ci/docker/host-x86_64/dist-arm-linux/arm-linux-gnueabi.config
index 1dcdbd1a9008b..66709a4004caf 100644
--- a/src/ci/docker/host-x86_64/dist-arm-linux/arm-linux-gnueabi.config
+++ b/src/ci/docker/host-x86_64/dist-arm-linux/arm-linux-gnueabi.config
@@ -14,6 +14,7 @@ CT_CONFIGURE_has_autoconf_2_65_or_newer=y
CT_CONFIGURE_has_autoreconf_2_65_or_newer=y
CT_CONFIGURE_has_automake_1_15_or_newer=y
CT_CONFIGURE_has_gnu_m4_1_4_12_or_newer=y
+CT_CONFIGURE_has_python_3_4_or_newer=y
CT_CONFIGURE_has_bison_2_7_or_newer=y
CT_CONFIGURE_has_python=y
CT_CONFIGURE_has_git=y
@@ -132,12 +133,6 @@ CT_ARCH_ARM=y
# CT_ARCH_XTENSA is not set
CT_ARCH="arm"
CT_ARCH_CHOICE_KSYM="ARM"
-# CT_ARCH_ALPHA_EV4 is not set
-# CT_ARCH_ALPHA_EV45 is not set
-# CT_ARCH_ALPHA_EV5 is not set
-# CT_ARCH_ALPHA_EV56 is not set
-# CT_ARCH_ALPHA_EV6 is not set
-# CT_ARCH_ALPHA_EV67 is not set
CT_ARCH_CPU=""
CT_ARCH_TUNE=""
CT_ARCH_ARM_SHOW=y
@@ -371,8 +366,6 @@ CT_ALL_BINUTILS_CHOICES="BINUTILS"
# C-library
#
CT_LIBC_GLIBC=y
-# CT_LIBC_NEWLIB is not set
-# CT_LIBC_NONE is not set
# CT_LIBC_UCLIBC is not set
CT_LIBC="glibc"
CT_LIBC_CHOICE_KSYM="GLIBC"
@@ -389,6 +382,7 @@ CT_GLIBC_USE="GLIBC"
CT_GLIBC_PKG_NAME="glibc"
CT_GLIBC_SRC_RELEASE=y
CT_GLIBC_PATCH_ORDER="global"
+# CT_GLIBC_V_2_29 is not set
# CT_GLIBC_V_2_28 is not set
# CT_GLIBC_V_2_27 is not set
# CT_GLIBC_V_2_26 is not set
@@ -407,7 +401,6 @@ CT_GLIBC_ARCHIVE_FORMATS=".tar.xz .tar.bz2 .tar.gz"
CT_GLIBC_SIGNATURE_FORMAT="packed/.sig"
CT_GLIBC_2_29_or_older=y
CT_GLIBC_older_than_2_29=y
-CT_GLIBC_REQUIRE_older_than_2_29=y
CT_GLIBC_2_27_or_older=y
CT_GLIBC_older_than_2_27=y
CT_GLIBC_2_26_or_older=y
@@ -447,12 +440,6 @@ CT_GLIBC_FORCE_UNWIND=y
CT_GLIBC_KERNEL_VERSION_AS_HEADERS=y
# CT_GLIBC_KERNEL_VERSION_CHOSEN is not set
CT_GLIBC_MIN_KERNEL="3.2.101"
-# CT_GLIBC_SSP_DEFAULT is not set
-# CT_GLIBC_SSP_NO is not set
-# CT_GLIBC_SSP_YES is not set
-# CT_GLIBC_SSP_ALL is not set
-# CT_GLIBC_SSP_STRONG is not set
-# CT_NEWLIB_USE_REDHAT is not set
CT_ALL_LIBC_CHOICES="AVR_LIBC BIONIC GLIBC MINGW_W64 MOXIEBOX MUSL NEWLIB NONE UCLIBC"
CT_LIBC_SUPPORT_THREADS_ANY=y
CT_LIBC_SUPPORT_THREADS_NATIVE=y
diff --git a/src/ci/docker/host-x86_64/dist-various-1/Dockerfile b/src/ci/docker/host-x86_64/dist-various-1/Dockerfile
index 4e48d9b543361..431892697d4c9 100644
--- a/src/ci/docker/host-x86_64/dist-various-1/Dockerfile
+++ b/src/ci/docker/host-x86_64/dist-various-1/Dockerfile
@@ -84,10 +84,6 @@ RUN env \
CXX=arm-linux-gnueabihf-g++ CXXFLAGS="-march=armv7-a" \
bash musl.sh armv7hf && \
env \
- CC=aarch64-linux-gnu-gcc \
- CXX=aarch64-linux-gnu-g++ \
- bash musl.sh aarch64 && \
- env \
CC=mips-openwrt-linux-gcc \
CXX=mips-openwrt-linux-g++ \
bash musl.sh mips && \
@@ -130,7 +126,6 @@ ENV TARGETS=$TARGETS,arm-unknown-linux-musleabihf
ENV TARGETS=$TARGETS,armv5te-unknown-linux-gnueabi
ENV TARGETS=$TARGETS,armv5te-unknown-linux-musleabi
ENV TARGETS=$TARGETS,armv7-unknown-linux-musleabihf
-ENV TARGETS=$TARGETS,aarch64-unknown-linux-musl
ENV TARGETS=$TARGETS,aarch64-unknown-none
ENV TARGETS=$TARGETS,aarch64-unknown-none-softfloat
ENV TARGETS=$TARGETS,sparc64-unknown-linux-gnu
@@ -185,7 +180,6 @@ ENV RUST_CONFIGURE_ARGS \
--musl-root-arm=/musl-arm \
--musl-root-armhf=/musl-armhf \
--musl-root-armv7hf=/musl-armv7hf \
- --musl-root-aarch64=/musl-aarch64 \
--musl-root-mips=/musl-mips \
--musl-root-mipsel=/musl-mipsel \
--musl-root-mips64=/musl-mips64 \
diff --git a/src/doc/rustc/src/platform-support.md b/src/doc/rustc/src/platform-support.md
index 794eeafbbbff9..56e90e0ac03e1 100644
--- a/src/doc/rustc/src/platform-support.md
+++ b/src/doc/rustc/src/platform-support.md
@@ -62,7 +62,7 @@ target | std | host | notes
`aarch64-linux-android` | ✓ | | ARM64 Android
`aarch64-pc-windows-msvc` | ✓ | | ARM64 Windows MSVC
`aarch64-unknown-linux-gnu` | ✓ | ✓ | ARM64 Linux (kernel 4.2, glibc 2.17)
-`aarch64-unknown-linux-musl` | ✓ | | ARM64 Linux with MUSL
+`aarch64-unknown-linux-musl` | ✓ | ✓ | ARM64 Linux with MUSL
`aarch64-unknown-none` | * | | Bare ARM64, hardfloat
`aarch64-unknown-none-softfloat` | * | | Bare ARM64, softfloat
`arm-linux-androideabi` | ✓ | | ARMv7 Android
diff --git a/src/tools/build-manifest/src/main.rs b/src/tools/build-manifest/src/main.rs
index 58022484fa6cc..ff9ee67763ba5 100644
--- a/src/tools/build-manifest/src/main.rs
+++ b/src/tools/build-manifest/src/main.rs
@@ -16,6 +16,7 @@ use std::process::{Command, Stdio};
static HOSTS: &[&str] = &[
"aarch64-unknown-linux-gnu",
+ "aarch64-unknown-linux-musl",
"arm-unknown-linux-gnueabi",
"arm-unknown-linux-gnueabihf",
"armv7-unknown-linux-gnueabihf",