[ci]:add armclang BSP build coverage (#11577)

* ci: add armclang BSP build coverage

* components/libc: avoid armclang errno include recursion

3 files changed, 56 insertions, 1 deletions

diff --git a/.github/ALL_BSP_COMPILE.json b/.github/ALL_BSP_COMPILE.json
index 641d950ce5..5a78a865e5 100644
--- a/.github/ALL_BSP_COMPILE.json
+++ b/.github/ALL_BSP_COMPILE.json
@@ -467,6 +467,13 @@
       ]
     },
     {
+      "RTT_BSP": "armclang-stm32",
+      "RTT_TOOL_CHAIN": "armclang",
+      "SUB_RTT_BSP": [
+        "stm32/stm32f407-rt-spark"
+      ]
+    },
+    {
       "RTT_BSP": "simulator",
       "RTT_TOOL_CHAIN": "gcc",
       "SUB_RTT_BSP": [
diff --git a/.github/armclang-vcpkg-configuration.json b/.github/armclang-vcpkg-configuration.json
new file mode 100644
index 0000000000..02f6c0b350
--- /dev/null
+++ b/.github/armclang-vcpkg-configuration.json
@@ -0,0 +1,12 @@
+{
+  "registries": [
+    {
+      "name": "arm",
+      "kind": "artifact",
+      "location": "https://artifacts.tools.arm.com/vcpkg-registry"
+    }
+  ],
+  "requires": {
+    "arm:compilers/arm/armclang": "^6.24.0"
+  }
+}
diff --git a/.github/workflows/bsp_buildings.yml b/.github/workflows/bsp_buildings.yml
index 707777a250..0792d9fdf3 100644
--- a/.github/workflows/bsp_buildings.yml
+++ b/.github/workflows/bsp_buildings.yml
@@ -161,6 +161,42 @@ jobs:
           echo "RTT_CC=llvm-arm" >> $GITHUB_ENV
           echo "RTT_EXEC_PATH=/opt/LLVMEmbeddedToolchainForArm-16.0.0-Linux-x86_64/bin" >> $GITHUB_ENV
 
+      - name: Install ArmClang ToolChains
+        if: ${{ matrix.legs.RTT_TOOL_CHAIN == 'armclang' && success() }}
+        uses: ARM-software/cmsis-actions/setup-vcpkg@v1
+        with:
+          version: 2026.04.27
+
+      - name: Activate ArmClang ToolChains
+        if: ${{ matrix.legs.RTT_TOOL_CHAIN == 'armclang' && success() }}
+        uses: ARM-software/cmsis-actions/vcpkg@v1
+        with:
+          config: .github/armclang-vcpkg-configuration.json
+          cache: ${{ runner.os }}-armclang-6.24.0
+
+      - name: Activate ArmClang License
+        if: ${{ matrix.legs.RTT_TOOL_CHAIN == 'armclang' && success() }}
+        uses: ARM-software/cmsis-actions/armlm@v1
+        with:
+          product: KEMDK-COM0
+
+      - name: Configure ArmClang ToolChains
+        if: ${{ matrix.legs.RTT_TOOL_CHAIN == 'armclang' && success() }}
+        shell: bash
+        run: |
+          armclang --version
+          command -v armlink
+          command -v fromelf
+          ARMCLANG_BIN="${AC6_TOOLCHAIN_6_24_0:-$(dirname "$(command -v armclang)")}"
+          ARMCLANG_BIN="${ARMCLANG_BIN%/}"
+          ARMCLANG_ROOT="$(dirname "$ARMCLANG_BIN")"
+          test -d "$ARMCLANG_ROOT/include"
+          test -d "$ARMCLANG_ROOT/lib"
+          sudo mkdir -p /opt/Keil_v5/ARM
+          sudo ln -sfn "$ARMCLANG_ROOT" /opt/Keil_v5/ARM/ARMCLANG
+          echo "RTT_CC=keil" >> $GITHUB_ENV
+          echo "RTT_EXEC_PATH=/opt/Keil_v5" >> $GITHUB_ENV
+
       - name: Install AArch64 ToolChains
         if: ${{ matrix.legs.RTT_TOOL_CHAIN == 'sourcery-aarch64' && matrix.legs.RTT_SMART_TOOL_CHAIN != 'aarch64-linux-musleabi' && success() }}
         shell: bash
@@ -288,7 +324,7 @@ jobs:
           RTT_TOOL_CHAIN: ${{ matrix.legs.RTT_TOOL_CHAIN }}
           SRTT_BSP: ${{ join(matrix.legs.SUB_RTT_BSP, ',') }}
           ATTACHCONFIG_RTT_BSP: ${{ join(matrix.legs.ATTACHCONFIG_RTT_BSP || fromJSON('[]'), ',') }}
-          RTT_CI_BUILD_DIST: "1"
+          RTT_CI_BUILD_DIST: ${{ matrix.legs.RTT_TOOL_CHAIN == 'armclang' && '0' || '1' }}
         run: |
           source ~/.env/env.sh
           python tools/ci/bsp_buildings.py