Fix Build Problems with EBcLfSA (WIP)

.bazelrc

@@ -32,10 +32,17 @@ build:bl_toolchain_common --host_platform=@score_bazel_platforms//:x86_64-linux
 # Target configuration for CPU:x86-64|OS:Linux build (do not use it in case of system toolchains!)
 build:bl-x86_64-linux --config=bl_stub
 build:bl-x86_64-linux --config=bl_toolchain_common
-build:bl-x86_64-linux --platforms=@score_bazel_platforms//:x86_64-linux
+build:bl-x86_64-linux --platforms=@score_toolchains_gcc//platforms:aarch64-linux
 build:bl-x86_64-linux --extra_toolchains=@gcc_toolchain//:host_gcc_12
 test:bl-x86_64-linux --config=bl_common
 
+# Target configuration for CPU:aarch64|OS:EBcLfSA build (do not use it in case of system toolchains!)
+build:bl-aarch64-ebclfsa --config=bl_stub
+build:bl-aarch64-ebclfsa --platforms=@score_bazel_platforms//:arm64-linux
+build:bl-aarch64-ebclfsa --extra_toolchains=@gcc_toolchain//:aarch64_gcc_13
+build:bl-aarch64-ebclfsa --spawn_strategy=local
+test:bl-aarch64-ebclfsa --config=bl_common
+
 # Target configuration for CPU:x86-64|OS:QNX build (do not use it in case of system toolchains!)
 build:bl-x86_64-qnx --config=bl_stub
 build:bl-x86_64-qnx --config=bl_toolchain_common

MODULE.bazel

@@ -16,24 +16,34 @@ module(
     compatibility_level = 0,
 )
 
-# Configure the host toolchain.
-bazel_dep(name = "score_toolchains_gcc", version = "0.5", dev_dependency=True)
+# Configure the EB corbos Linux for Safety Applications (aarch64) toolchain.
+bazel_dep(name = "score_toolchains_gcc", dev_dependency=True)
+git_override( # Elektrobit corbos Linux for Safety Applications needs a specific toolchain
+   module_name = "score_toolchains_gcc",
+   remote = "https://github.com/Elektrobit/eclipse-score_toolchains_gcc.git",
+   #tag = "0.5.0-alpha", # commit sha: fb009e490b9b8f28805d587f50d0bf6d885f3414
+   commit = "1255dd71ffec33e527aef76f86b4fdb3b48e01db",
+)
 gcc = use_extension("@score_toolchains_gcc//extentions:gcc.bzl", "gcc", dev_dependency=True)
 gcc.toolchain(
-    url = "https://github.com/eclipse-score/toolchains_gcc_packages/releases/download/0.0.1/x86_64-unknown-linux-gnu_gcc12.tar.gz",
-    sha256 = "457f5f20f57528033cb840d708b507050d711ae93e009388847e113b11bf3600",
-    strip_prefix = "x86_64-unknown-linux-gnu",
+    url = "https://github.com/Elektrobit/eclipse-score_toolchains_gcc/releases/download/0.5.0-alpha/fastdev-sdk-ubuntu-ebcl-deb-qemu-arm64.tar.xz",
+    sha256 = "cf8d277a2b95bbdad3e177c488fa77d01723510690a911218ef33747574d78fe",
+    strip_prefix = "fastdev-sdk-ubuntu-ebcl-deb-qemuarm64",
 )
+
+# TODO to be moved to toolchain. https://github.com/eclipse-score/toolchains_gcc/issues/11
 gcc.extra_features(
     features = [
         "minimal_warnings",
         "treat_warnings_as_errors",
     ],
 )
 gcc.warning_flags(
-    minimal_warnings = ["-Wall", "-Wno-error=deprecated-declarations", "-Wno-error=narrowing"],
+    minimal_warnings = ["-Wall", "-Wno-error=deprecated-declarations"],
     strict_warnings = ["-Wextra", "-Wpedantic"],
+    treat_warnings_as_errors = ["-Werror"],
 )
+
 use_repo(gcc, "gcc_toolchain", "gcc_toolchain_gcc")
 
 # Configure the target toolchain.
@@ -60,7 +70,7 @@ deb = use_repo_rule("@download_utils//download/deb:defs.bzl", "download_deb")
 deb(
     name = "acl-deb",
     build = "//third_party/acl:acl.BUILD",
-    urls = ["https://archive.ubuntu.com/ubuntu/pool/main/a/acl/libacl1-dev_2.2.52-3build1_amd64.deb"],
+    urls = ["https://launchpadlibrarian.net/581258948/libacl1-dev_2.3.1-1_arm64.deb"],
     visibility = ["//visibility:public"],
 )
 

score/language/safecpp/test/test_std_arithmetic_types.cpp

@@ -54,7 +54,7 @@ TEST(StdIntegralTypes, signess_and_bytes_number)
     // How to move forward in this ticket Ticket-141110
     // static_assert(std::numeric_limits<char>::is_signed == false,
     //               "it is expected a 'char' to be unsigned in a QNX environment");
-#else
+#elif !defined(__aarch64__) // on aarch64 linux char is unsigned
     static_assert(std::numeric_limits<char>::is_signed == true,
                   "it is expected a 'char' to be signed in a linux environment");
 #endif

score/os/cpuid.cpp

@@ -20,6 +20,8 @@
 #include <arm_acle.h>
 #elif defined(__linux__) && defined(__x86_64__)
 #include <cpuid.h>
+#elif defined(__linux__) && defined(__aarch64__)
+#include "score/utility.hpp"
 #else
 #error "Target platform not supported"
 #endif
@@ -68,6 +70,11 @@ class CpuIdImpl final : public CpuId
         /* KW_SUPPRESS_START:MISRA.USE.EXPANSION:OS library macros */
         __cpuid(leaf, eax, ebx, ecx, edx);
         /* KW_SUPPRESS_END:MISRA.USE.EXPANSION:OS library macros */
+#elif defined(__linux__) && defined(__aarch64__)
+        // ARM64/aarch64 doesn't have CPUID instruction like x86
+        // Return dummy values for compatibility
+        score::cpp::ignore = leaf;
+        eax = ebx = ecx = edx = 0;
 #endif
     }
 };

third_party/acl/acl.BUILD

@@ -1,12 +1,12 @@
 cc_library(
     name = "acl",
     srcs = [
-        "usr/lib/libacl.a",
+        "usr/lib/aarch64-linux-gnu/libacl.a",
     ],
     hdrs = [
         "usr/include/acl/libacl.h",
         "usr/include/sys/acl.h",
     ],
     includes = ["usr/include/"],
     visibility = ["//visibility:public"],
-)
+)