fixing release pipeline (#33)

Reviewed-on: #33
Co-authored-by: Koda YeenBean <n122330@gmail.com>

scripts/ci/build-release.sh

@@ -42,7 +42,8 @@ cd "$sdk_dir"
 # OpenWrt publishes relocatable SDKs whose host tools are x86-64 binaries.
 # On ARM runners, invoke the SDK's bundled x86-64 loader explicitly through
 # QEMU. This works without privileged binfmt_misc registration on the host.
-case $(uname -m) in
+build_host=$(uname -m)
+case $build_host in
   x86_64|amd64)
     ;;
   aarch64|arm64|armv7l|armv8l)
@@ -58,11 +59,14 @@ case $(uname -m) in
       echo "no relocatable x86-64 SDK wrappers found" >&2
       exit 1
     }
-    sed -i -E "s|^exec (\"\\\$dir/.*ld-linux-x86-64\\.so\\.2\")|exec ${qemu_x86_64} \\1|" "${sdk_wrappers[@]}"
+    sed -i -E \
+      -e 's|^export LD_PRELOAD=.*(\$dir/.*runas\.so)"$|sdk_preload="\1"|' \
+      -e "s|^exec (\"\\\$dir/.*ld-linux-x86-64\\.so\\.2\")|exec ${qemu_x86_64} \\1 --preload \"\\\$sdk_preload\"|" \
+      "${sdk_wrappers[@]}"
     staging_dir/host/bin/sed --version >/dev/null
     ;;
   *)
-    echo "unsupported build host architecture: $(uname -m)" >&2
+    echo "unsupported build host architecture: $build_host" >&2
     exit 1
     ;;
 esac
@@ -88,7 +92,16 @@ printf '%s\n' \
   '# CONFIG_TARGET_ALL_PROFILES is not set' \
   'CONFIG_PACKAGE_openuf=m' >.config
 make defconfig
-make -j"$(nproc)" package/openuf/compile
+build_jobs=$(nproc)
+case $build_host in
+  aarch64|arm64|armv7l|armv8l)
+    (( build_jobs <= 2 )) || build_jobs=2
+    ;;
+esac
+if ! make -j"$build_jobs" package/openuf/compile; then
+  echo "parallel build failed; retrying serially with verbose diagnostics" >&2
+  make -j1 package/openuf/compile V=sc
+fi
 
 mapfile -t packages < <(find bin/packages -type f -name "openuf-${version}-*.apk")
 if [[ ${#packages[@]} -ne 1 ]]; then