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

* ci: add armclang BSP build coverage

* components/libc: avoid armclang errno include recursion

Author: CYFS3

.github/ALL_BSP_COMPILE.json

@@ -466,6 +466,13 @@
         "stm32/stm32l475-atk-pandora"
       ]
     },
+    {
+      "RTT_BSP": "armclang-stm32",
+      "RTT_TOOL_CHAIN": "armclang",
+      "SUB_RTT_BSP": [
+        "stm32/stm32f407-rt-spark"
+      ]
+    },
     {
       "RTT_BSP": "simulator",
       "RTT_TOOL_CHAIN": "gcc",

.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"
+  }
+}

.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

components/libc/compilers/common/extension/sys/errno.h

@@ -38,8 +38,30 @@ defined in armcc/errno.h
 #define ERROR_BASE_NO    0
 #endif
 
-#if defined(__ARMCC_VERSION) || defined(__IAR_SYSTEMS_ICC__)
+#if defined(__ARMCC_VERSION)
+#ifndef EDOM
+#define EDOM    1
+#endif
+#ifndef ERANGE
+#define ERANGE  2
+#endif
+#ifndef ESIGNUM
+#define ESIGNUM 3
+#endif
+#ifndef EILSEQ
+#define EILSEQ  4
+#endif
+#ifndef EINVAL
+#define EINVAL  5
+#endif
+#ifndef ENOMEM
+#define ENOMEM  6
+#endif
+#elif defined(__IAR_SYSTEMS_ICC__)
 #include <errno.h>
+#endif
+
+#if defined(__ARMCC_VERSION) || defined(__IAR_SYSTEMS_ICC__)
 
 #ifndef EPERM
 #define EPERM            (ERROR_BASE_NO + 1)

tools/building.py

@@ -48,6 +48,74 @@
 Rtt_Root = ''
 Env = None
 
+if not hasattr(rtconfig, 'CXXFLAGS') and hasattr(rtconfig, 'CFLAGS'):
+    rtconfig.CXXFLAGS = rtconfig.CFLAGS
+
+def _path_variants(path):
+    variants = set()
+    if not path:
+        return variants
+
+    normalized = path.replace('\\', '/').rstrip('/')
+    variants.add(normalized)
+    variants.add(normalized + '/')
+    variants.add(normalized.replace('/', '\\'))
+    variants.add((normalized + '/').replace('/', '\\'))
+
+    return variants
+
+def _split_exec_path(exec_path):
+    normalized = exec_path.replace('\\', '/').rstrip('/')
+    lower = normalized.lower()
+    for suffix in ('/arm/armclang/bin', '/arm/armcc/bin', '/arm/bin40', '/arm/bin', '/bin'):
+        if lower.endswith(suffix):
+            return normalized[:-len(suffix)], normalized[-len(suffix):]
+
+    return normalized, ''
+
+def _replace_exec_path(value, old_path, new_path):
+    if not isinstance(value, str):
+        return value
+
+    result = value
+    normalized_new_path = new_path.replace('\\', '/').rstrip('/')
+    for old in sorted(_path_variants(old_path), key=len, reverse=True):
+        replacement = normalized_new_path.replace('/', '\\') if '\\' in old else normalized_new_path
+        if old.endswith(('/', '\\')):
+            replacement += old[-1]
+        result = result.replace(old, replacement)
+
+    return result
+
+def _apply_exec_path_override(env, exec_path):
+    old_exec_path = getattr(rtconfig, 'EXEC_PATH', '')
+    old_root, suffix = _split_exec_path(old_exec_path)
+    new_root, new_suffix = _split_exec_path(exec_path)
+    new_exec_path = new_root + (new_suffix or suffix)
+
+    if old_root:
+        for name in ('CFLAGS', 'CXXFLAGS', 'AFLAGS', 'LFLAGS',
+                     'M_CFLAGS', 'M_CXXFLAGS', 'M_LFLAGS'):
+            if hasattr(rtconfig, name):
+                setattr(rtconfig, name, _replace_exec_path(getattr(rtconfig, name), old_root, new_root))
+
+    rtconfig.EXEC_PATH = new_exec_path
+    for key, name in (('CC', 'CC'), ('CXX', 'CXX'), ('AS', 'AS'), ('AR', 'AR'),
+                      ('LINK', 'LINK'), ('CFLAGS', 'CFLAGS'),
+                      ('CXXFLAGS', 'CXXFLAGS'), ('ASFLAGS', 'AFLAGS'),
+                      ('LINKFLAGS', 'LFLAGS')):
+        if hasattr(rtconfig, name):
+            env[key] = getattr(rtconfig, name)
+
+def _normalize_armclang_flags_for_host(env):
+    if rtconfig.PLATFORM == 'armclang' and env['PLATFORM'] != 'win32':
+        for name in ('LFLAGS', 'M_LFLAGS'):
+            if hasattr(rtconfig, name):
+                setattr(rtconfig, name, getattr(rtconfig, name).replace('\\', '/'))
+
+        if hasattr(rtconfig, 'LFLAGS'):
+            env['LINKFLAGS'] = rtconfig.LFLAGS
+
 def _as_unicode(value):
     try:
         unicode
@@ -208,6 +276,9 @@ def PrepareBuilding(env, root_directory, has_libcpu=False, remove_components = [
         os.environ['RTT_EXEC_PATH'] = exec_path
 
     utils.ReloadModule(rtconfig) # update environment variables to rtconfig.py
+    if exec_path:
+        _apply_exec_path_override(env, exec_path)
+    _normalize_armclang_flags_for_host(env)
 
     # some env variables have loaded in Environment() of SConstruct before re-load rtconfig.py;
     # after update rtconfig.py's variables, those env variables need to synchronize
@@ -219,8 +290,6 @@ def PrepareBuilding(env, root_directory, has_libcpu=False, remove_components = [
         env['LINK'] = rtconfig.LINK
     if exec_path:
         env.PrependENVPath('PATH', rtconfig.EXEC_PATH)
-    env['ASCOM']= env['ASPPCOM']
-
     if GetOption('strict-compiling'):
         STRICT_FLAGS = ''
         if rtconfig.PLATFORM in ['gcc']:
@@ -241,8 +310,16 @@ def PrepareBuilding(env, root_directory, has_libcpu=False, remove_components = [
         env['LIBLINKPREFIX'] = ''
         env['LIBLINKSUFFIX'] = '.lib'
         env['LIBDIRPREFIX'] = '--userlibpath '
+        if rtconfig.PLATFORM == 'armclang' and rtconfig.AS == 'armasm':
+            env['ASCOM'] = '$AS $ASFLAGS -o $TARGET $SOURCES'
+            env['ASPPCOM'] = env['ASCOM']
+        else:
+            env['ASCOM'] = env['ASPPCOM']
+
+    else:
+        env['ASCOM'] = env['ASPPCOM']
 
-    elif rtconfig.PLATFORM == 'iccarm':
+    if rtconfig.PLATFORM == 'iccarm':
         env['LIBPREFIX'] = ''
         env['LIBSUFFIX'] = '.a'
         env['LIBLINKPREFIX'] = ''

tools/ci/bsp_buildings.py

@@ -115,10 +115,20 @@ def is_env_enabled(name, default=False):
 
     return value.lower() not in ('', '0', 'false', 'no', 'off')
 
+def get_ci_scons_args(scons_args=''):
+    args = scons_args.strip()
+    if os.getenv('RTT_TOOL_CHAIN') == 'armclang' and '--exec-path' not in args:
+        exec_path = os.getenv('RTT_EXEC_PATH')
+        if exec_path:
+            args = f'{args} --exec-path="{exec_path}"'.strip()
+
+    return args
+
 def run_dist_build_check(bsp, scons_args=''):
     """
     build BSP distribution and verify that the generated project can compile.
     """
+    scons_args = get_ci_scons_args(scons_args)
     os.chdir(rtt_root)
     bsp_dir = os.path.join(rtt_root, 'bsp', bsp)
     if not check_bsp_build_scripts(bsp_dir):
@@ -144,13 +154,13 @@ def run_dist_build_check(bsp, scons_args=''):
             return False
 
         old_rtt_root = os.environ.pop('RTT_ROOT', None)
-        _, res = run_cmd(f'scons --pyconfig-silent -C {dist_project}', output_info=True)
+        _, res = run_cmd(f'scons --pyconfig-silent -C {dist_project} {scons_args}', output_info=True)
         if res != 0:
             print(f"::error::dist project pyconfig failed for {bsp}")
             return False
 
         nproc = multiprocessing.cpu_count()
-        _, res = run_cmd(f'scons -C {dist_project} -j{nproc}', output_info=True)
+        _, res = run_cmd(f'scons -C {dist_project} -j{nproc} {scons_args}', output_info=True)
         if res != 0:
             print(f"::error::dist project build failed for {bsp}")
             return False
@@ -193,6 +203,8 @@ def build_bsp(bsp, scons_args='',name='default', pre_build_commands=None, post_b
     if not check_bsp_build_scripts(bsp_dir):
         return False
 
+    scons_args = get_ci_scons_args(scons_args)
+
     # 设置环境变量
     if bsp_build_env is not None:
         print("Setting environment variables:")
@@ -203,7 +215,7 @@ def build_bsp(bsp, scons_args='',name='default', pre_build_commands=None, post_b
     os.makedirs(f'{rtt_root}/output/bsp/{bsp}', exist_ok=True)
     if os.path.exists(f"{rtt_root}/bsp/{bsp}/Kconfig"):
         os.chdir(rtt_root)
-        _, res = run_cmd(f'scons -C bsp/{bsp} --pyconfig-silent', output_info=True)
+        _, res = run_cmd(f'scons -C bsp/{bsp} --pyconfig-silent {scons_args}', output_info=True)
         if res != 0:
             print(f"::error::pyconfig failed for {bsp}")
             success = False
@@ -250,6 +262,8 @@ def build_bsp(bsp, scons_args='',name='default', pre_build_commands=None, post_b
         for file_type in ['*.elf', '*.bin', '*.hex']:
             files = glob.glob(f'{rtt_root}/bsp/{bsp}/{file_type}')
             for file in files:
+                if not os.path.isfile(file):
+                    continue
                 shutil.copy(file, f'{rtt_root}/output/bsp/{bsp}/{name.replace("/", "_")}.{file_type[2:]}')
         if is_env_enabled('RTT_CI_BUILD_DIST'):
             print(f"::group::\tChecking dist project: {bsp} {name}")
@@ -270,7 +284,7 @@ def build_bsp(bsp, scons_args='',name='default', pre_build_commands=None, post_b
                 print(f"Post-build command failed: {command}")
                 print(output)
                 success = False
-    _, clean_res = run_cmd('scons -c', output_info=False)
+    _, clean_res = run_cmd(f'scons -c {scons_args}', output_info=False)
     if clean_res != 0:
         print(f"::error::scons clean failed for {bsp}")
         success = False