Add ESP32-oriented embedded core build profile

Author: masarray

embedded/CMakeLists.txt

@@ -0,0 +1,100 @@
+cmake_minimum_required(VERSION 3.20)
+
+project(ARIEC61850EmbeddedCore
+    VERSION 0.1.0
+    DESCRIPTION "MCU-oriented build profile for arstack61850 wire protocols"
+    LANGUAGES CXX)
+
+option(ARIEC61850_EMBEDDED_NO_RTTI "Disable C++ RTTI in the embedded profile" ON)
+option(ARIEC61850_EMBEDDED_NO_EXCEPTIONS "Disable C++ exceptions after legacy throw paths are removed" OFF)
+option(ARIEC61850_EMBEDDED_WARNINGS_AS_ERRORS "Treat embedded-profile warnings as errors" ON)
+
+set(ARIEC61850_ROOT "${CMAKE_CURRENT_LIST_DIR}/..")
+
+# Keep this source list deliberately small. It is the MCU portability boundary:
+# wire codecs and protocol state only, with no TCP host transport, live discovery,
+# PCAP, COMTRADE, SCL parsing, filesystem, JSON or CLI tooling.
+set(ARIEC61850_EMBEDDED_SOURCES
+    ${ARIEC61850_ROOT}/src/asn1/ber.cpp
+    ${ARIEC61850_ROOT}/src/ethernet/ethernet.cpp
+
+    ${ARIEC61850_ROOT}/src/goose/retransmission_schedule.cpp
+    ${ARIEC61850_ROOT}/src/goose/pdu_codec.cpp
+    ${ARIEC61850_ROOT}/src/goose/frame_codec.cpp
+
+    ${ARIEC61850_ROOT}/src/sampled_values/pdu_codec.cpp
+    ${ARIEC61850_ROOT}/src/sampled_values/frame_codec.cpp
+    ${ARIEC61850_ROOT}/src/sampled_values/quality.cpp
+    ${ARIEC61850_ROOT}/src/sampled_values/payload_inspector.cpp
+    ${ARIEC61850_ROOT}/src/sampled_values/sample_counter.cpp
+
+    ${ARIEC61850_ROOT}/src/osi/tpkt.cpp
+    ${ARIEC61850_ROOT}/src/osi/cotp.cpp
+    ${ARIEC61850_ROOT}/src/osi/session.cpp
+    ${ARIEC61850_ROOT}/src/osi/presentation.cpp
+    ${ARIEC61850_ROOT}/src/acse/association.cpp
+
+    ${ARIEC61850_ROOT}/src/mms/utc_time.cpp
+    ${ARIEC61850_ROOT}/src/mms/data_value.cpp
+    ${ARIEC61850_ROOT}/src/mms/data_codec.cpp
+    ${ARIEC61850_ROOT}/src/mms/pdu.cpp
+    ${ARIEC61850_ROOT}/src/mms/services.cpp)
+
+add_library(ariec61850_embedded_core STATIC ${ARIEC61850_EMBEDDED_SOURCES})
+add_library(ARIEC61850::embedded_core ALIAS ariec61850_embedded_core)
+
+target_compile_features(ariec61850_embedded_core PUBLIC cxx_std_20)
+target_include_directories(ariec61850_embedded_core PUBLIC ${ARIEC61850_ROOT}/include)
+target_compile_definitions(ariec61850_embedded_core PUBLIC
+    ARIEC61850_EMBEDDED_PROFILE=1
+    ARIEC61850_HOST_SERVICES=0)
+
+function(ariec61850_apply_embedded_flags target)
+    if(MSVC)
+        target_compile_options(${target} PRIVATE /W4 /permissive-)
+        if(ARIEC61850_EMBEDDED_NO_RTTI)
+            target_compile_options(${target} PRIVATE /GR-)
+        endif()
+        if(ARIEC61850_EMBEDDED_NO_EXCEPTIONS)
+            message(FATAL_ERROR
+                "ARIEC61850_EMBEDDED_NO_EXCEPTIONS is not ready on MSVC yet. "
+                "Legacy protocol error paths still use C++ exceptions.")
+        endif()
+        if(ARIEC61850_EMBEDDED_WARNINGS_AS_ERRORS)
+            target_compile_options(${target} PRIVATE /WX)
+        endif()
+    else()
+        target_compile_options(${target} PRIVATE
+            -Wall -Wextra -Wpedantic -Wconversion -Wsign-conversion)
+        if(ARIEC61850_EMBEDDED_NO_RTTI)
+            target_compile_options(${target} PRIVATE -fno-rtti)
+        endif()
+        if(ARIEC61850_EMBEDDED_NO_EXCEPTIONS)
+            target_compile_options(${target} PRIVATE -fno-exceptions)
+        endif()
+        if(ARIEC61850_EMBEDDED_WARNINGS_AS_ERRORS)
+            target_compile_options(${target} PRIVATE -Werror)
+        endif()
+    endif()
+endfunction()
+
+ariec61850_apply_embedded_flags(ariec61850_embedded_core)
+
+# Link every embedded source into one executable. This catches accidental
+# dependencies on host-only objects that a static-library-only build can hide.
+add_executable(ariec61850_embedded_link_smoke
+    ${CMAKE_CURRENT_LIST_DIR}/embedded_link_smoke.cpp
+    ${ARIEC61850_EMBEDDED_SOURCES})
+target_compile_features(ariec61850_embedded_link_smoke PRIVATE cxx_std_20)
+target_include_directories(ariec61850_embedded_link_smoke PRIVATE ${ARIEC61850_ROOT}/include)
+target_compile_definitions(ariec61850_embedded_link_smoke PRIVATE
+    ARIEC61850_EMBEDDED_PROFILE=1
+    ARIEC61850_HOST_SERVICES=0)
+ariec61850_apply_embedded_flags(ariec61850_embedded_link_smoke)
+
+enable_testing()
+add_test(NAME ariec61850_embedded_link_smoke COMMAND ariec61850_embedded_link_smoke)
+
+message(STATUS "arstack61850 embedded profile: host services excluded")
+message(STATUS "arstack61850 embedded profile: RTTI disabled=${ARIEC61850_EMBEDDED_NO_RTTI}")
+message(STATUS "arstack61850 embedded profile: exceptions disabled=${ARIEC61850_EMBEDDED_NO_EXCEPTIONS}")