ci: Lock cross toolchain version and update docs

src/ci/docker/README.md

@@ -231,25 +231,9 @@ For targets: `armv7-unknown-linux-gnueabihf`
     libraries like jemalloc. See the mk/cfg/arm(v7)-unknown-linux-gnueabi{,hf}.mk
     file in Rust's source code.
 
-### `aarch64-linux-gnu.defconfig`
-
-For targets: `aarch64-unknown-linux-gnu`
-
-- Path and misc options > Prefix directory = /x-tools/${CT\_TARGET}
-- Path and misc options > Use a mirror = ENABLE
-- Path and misc options > Base URL = https://ci-mirrors.rust-lang.org/rustc
-- Target options > Target Architecture = arm
-- Target options > Bitness = 64-bit
-- Operating System > Target OS = linux
-- Operating System > Linux kernel version = 4.1.49
-- Binary utilities > Version of binutils = 2.29.1
-- C-library > glibc version = 2.17 -- aarch64 support was introduced in this version
-- C compiler > gcc version = 13.2.0
-- C compiler > C++ = ENABLE -- to cross compile LLVM
-
 ### `i586-linux-gnu.defconfig`
 
-For targets: `i586-unknown-linux-gnu`
+For targets: `i586-unknown-linux-gnu`, `i586-unknown-linux-musl` and `i686-unknown-linux-musl`
 
 - Path and misc options > Prefix directory = /x-tools/${CT\_TARGET}
 - Target options > Target Architecture = x86
@@ -266,7 +250,7 @@ For targets: `i586-unknown-linux-gnu`
 (\*) Compressed debug is enabled by default for gas (assembly) on Linux/x86 targets,
      but that makes our `compiler_builtins` incompatible with binutils < 2.32.
 
-### `loongarch64-linux-gnu.defconfig`
+### `loongarch64-unknown-linux-gnu.defconfig`
 
 For targets: `loongarch64-unknown-linux-gnu`
 
@@ -282,7 +266,7 @@ For targets: `loongarch64-unknown-linux-gnu`
 - C compiler > gcc version = 14.2.0
 - C compiler > C++ = ENABLE -- to cross compile LLVM
 
-### `loongarch64-linux-musl.defconfig`
+### `loongarch64-unknown-linux-musl.defconfig`
 
 For targets: `loongarch64-unknown-linux-musl`
 
@@ -412,6 +396,56 @@ For targets: `powerpc64-unknown-linux-gnu`
 
 (+) These CPU options match the configuration of the toolchains in RHEL6.
 
+### `powerpc64-unknown-linux-musl.defconfig`
+
+For targets: `powerpc64-unknown-linux-musl`
+
+- Path and misc options > Prefix directory = /x-tools/${CT\_TARGET}
+- Path and misc options > Use a mirror = ENABLE
+- Path and misc options > Base URL = https://ci-mirrors.rust-lang.org/rustc
+- Target options > Target Architecture = powerpc
+- Target options > Bitness = 64-bit
+- Operating System > Target OS = linux
+- Operating System > Linux kernel version = 4.19
+- Binary utilities > Version of binutils = 2.42
+- C-library > musl version = 1.2.5
+- C compiler > gcc version = 14.2.0
+- C compiler > C++ = ENABLE -- to cross compile LLVM
+
+### `powerpc64le-unknown-linux-gnu.defconfig`
+
+For targets: `powerpc64le-unknown-linux-gnu`
+
+- Path and misc options > Prefix directory = /x-tools/${CT\_TARGET}
+- Path and misc options > Use a mirror = ENABLE
+- Path and misc options > Base URL = https://ci-mirrors.rust-lang.org/rustc
+- Target options > Target Architecture = powerpc
+- Target options > Bitness = 64-bit
+- Target options > Endianness = Little endian
+- Operating System > Target OS = linux
+- Operating System > Linux kernel version = 3.10
+- Binary utilities > Version of binutils = 2.42
+- C-library > glibc version = 2.17
+- C compiler > gcc version = 14.2.0
+- C compiler > C++ = ENABLE -- to cross compile LLVM
+
+### `powerpc64le-unknown-linux-musl.defconfig`
+
+For targets: `powerpc64le-unknown-linux-musl`
+
+- Path and misc options > Prefix directory = /x-tools/${CT\_TARGET}
+- Path and misc options > Use a mirror = ENABLE
+- Path and misc options > Base URL = https://ci-mirrors.rust-lang.org/rustc
+- Target options > Target Architecture = powerpc
+- Target options > Bitness = 64-bit
+- Target options > Endianness = Little endian
+- Operating System > Target OS = linux
+- Operating System > Linux kernel version = 4.19
+- Binary utilities > Version of binutils = 2.42
+- C-library > musl version = 1.2.5
+- C compiler > gcc version = 14.2.0
+- C compiler > C++ = ENABLE -- to cross compile LLVM
+
 ### `riscv64-unknown-linux-gnu.defconfig`
 
 For targets: `riscv64-unknown-linux-gnu`
@@ -423,7 +457,7 @@ For targets: `riscv64-unknown-linux-gnu`
 - Target options > Bitness = 64-bit
 - Operating System > Target OS = linux
 - Operating System > Linux kernel version = 4.20.17
-- Binary utilities > Version of binutils = 2.36.1
+- Binary utilities > Version of binutils = 2.40
 - C-library > glibc version = 2.29
 - C compiler > gcc version = 8.5.0
 - C compiler > C++ = ENABLE -- to cross compile LLVM

src/ci/docker/host-x86_64/dist-arm-linux-musl/Dockerfile

@@ -3,9 +3,6 @@ FROM ghcr.io/rust-lang/ubuntu:22.04
 COPY scripts/cross-apt-packages.sh /scripts/
 RUN sh /scripts/cross-apt-packages.sh
 
-COPY scripts/crosstool-ng.sh /scripts/
-RUN sh /scripts/crosstool-ng.sh
-
 WORKDIR /build
 
 COPY scripts/musl-toolchain.sh /build/
@@ -14,14 +11,8 @@ RUN CFLAGS="-Wa,--compress-debug-sections=none -Wl,--compress-debug-sections=non
     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
 WORKDIR /tmp
 
-COPY scripts/crosstool-ng-build.sh /scripts/
-COPY host-x86_64/dist-arm-linux-musl/arm-linux-musl.defconfig /tmp/crosstool.defconfig
-RUN /scripts/crosstool-ng-build.sh
-
 COPY scripts/sccache.sh /scripts/
 RUN sh /scripts/sccache.sh
 

src/ci/docker/host-x86_64/dist-loongarch64-linux/loongarch64-unknown-linux-gnu.defconfig

@@ -12,5 +12,7 @@ CT_TARGET_LDFLAGS="-mcmodel=medium"
 CT_KERNEL_LINUX=y
 CT_LINUX_V_5_19=y
 CT_GLIBC_V_2_36=y
+CT_BINUTILS_V_2_42=y
+CT_GCC_V_14=y
 CT_CC_GCC_ENABLE_DEFAULT_PIE=y
 CT_CC_LANG_CXX=y

src/ci/docker/host-x86_64/dist-loongarch64-musl/loongarch64-unknown-linux-musl.defconfig

@@ -12,6 +12,9 @@ CT_TARGET_LDFLAGS="-mcmodel=medium"
 CT_KERNEL_LINUX=y
 CT_LINUX_V_5_19=y
 CT_LIBC_MUSL=y
+CT_MUSL_V_1_2_5=y
+CT_BINUTILS_V_2_42=y
+CT_GCC_V_14=y
 CT_CC_GCC_ENABLE_DEFAULT_PIE=y
 CT_CC_LANG_CXX=y
 CT_GETTEXT_NEEDED=y

src/ci/docker/host-x86_64/dist-powerpc64-linux-musl/powerpc64-unknown-linux-musl.defconfig

@@ -11,5 +11,7 @@ CT_KERNEL_LINUX=y
 CT_LINUX_V_4_19=y
 CT_LIBC_MUSL=y
 CT_MUSL_V_1_2_5=y
+CT_BINUTILS_V_2_42=y
+CT_GCC_V_14=y
 CT_CC_LANG_CXX=y
 CT_GETTEXT_NEEDED=y

src/ci/docker/host-x86_64/dist-powerpc64le-linux-gnu/powerpc64le-unknown-linux-gnu.defconfig

@@ -11,5 +11,7 @@ CT_ARCH_ARCH="powerpc64le"
 CT_KERNEL_LINUX=y
 CT_LINUX_V_3_10=y
 CT_GLIBC_V_2_17=y
+CT_BINUTILS_V_2_42=y
+CT_GCC_V_14=y
 CT_CC_LANG_CXX=y
 CT_GETTEXT_NEEDED=y

src/ci/docker/host-x86_64/dist-powerpc64le-linux-musl/powerpc64le-unknown-linux-musl.defconfig

@@ -12,5 +12,7 @@ CT_KERNEL_LINUX=y
 CT_LINUX_V_4_19=y
 CT_LIBC_MUSL=y
 CT_MUSL_V_1_2_5=y
+CT_BINUTILS_V_2_42=y
+CT_GCC_V_14=y
 CT_CC_LANG_CXX=y
 CT_GETTEXT_NEEDED=y