Merge pull request #4320 from heiher/ci-loong64-musl

ci: install musl from source for loongarch64

Author: tgross35

ci/docker/loongarch64-unknown-linux-musl/Dockerfile

@@ -1,14 +1,16 @@
 FROM ubuntu:24.10
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
-        ca-certificates curl gcc git libc6-dev make qemu-user xz-utils
+    ca-certificates curl gcc gcc-14-loongarch64-linux-gnu git libc6-dev \
+    make qemu-user xz-utils patch rsync
 
-COPY install-musl-cross.sh /
-RUN /install-musl-cross.sh loongarch64-unknown-linux-musl
+COPY install-musl.sh /
+RUN /install-musl.sh loongarch64
 
-ENV CARGO_TARGET_LOONGARCH64_UNKNOWN_LINUX_MUSL_LINKER=loongarch64-unknown-linux-musl-gcc \
+ENV CARGO_TARGET_LOONGARCH64_UNKNOWN_LINUX_MUSL_LINKER=musl-gcc \
     CARGO_TARGET_LOONGARCH64_UNKNOWN_LINUX_MUSL_RUNNER="qemu-loongarch64" \
-    CC_loongarch64_unknown_linux_musl=loongarch64-unknown-linux-musl-gcc \
+    CC_loongarch64_unknown_linux_musl=musl-gcc \
     CFLAGS_loongarch64_unknown_linux_musl="-mabi=lp64d -fPIC" \
-    QEMU_LD_PREFIX=/loongarch64-unknown-linux-musl/loongarch64-unknown-linux-musl/sysroot \
-    PATH=$PATH:/loongarch64-unknown-linux-musl/bin:/rust/bin
+    RUSTFLAGS="-Ctarget-feature=+crt-static" \
+    QEMU_LD_PREFIX=/musl-loongarch64 \
+    PATH=$PATH:/musl-loongarch64/bin:/rust/bin

ci/install-musl-cross.sh

@@ -5,7 +5,15 @@
 
 set -eux
 
-musl_version=1.1.24
+case ${1} in
+    loongarch64)
+        musl_version=1.2.5
+        ;;
+    *)
+        musl_version=1.1.24
+        ;;
+esac
+
 musl="musl-${musl_version}"
 
 # Download, configure, build, and install musl:
@@ -53,6 +61,13 @@ case ${1} in
           ./configure --prefix="/musl-${musl_arch}" --enable-wrapper=yes
         make install -j4
         ;;
+    loongarch64)
+        musl_arch=loongarch64
+        kernel_arch=loongarch
+        CC=loongarch64-linux-gnu-gcc-14 \
+          ./configure --prefix="/musl-${musl_arch}" --enable-wrapper=yes
+        make install -j4
+        ;;
     *)
         echo "Unknown target arch: \"${1}\""
         exit 1