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initial build system tweaks for pico hardware

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This commit is contained in:
Allen Hill
2026-09-03 12:47:41 -07:00
parent 6c460aa3a0
commit e30dbc501d
7 changed files with 204 additions and 31 deletions
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CMakeLists.txt
+25 -17
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@@ -1,19 +1,36 @@
cmake_minimum_required(VERSION 3.24)
cmake_minimum_required(VERSION 3.30)
project(avclan-mockingboard VERSION 1.1 LANGUAGES C CXX)
if(AVCLAN_TARGET_SDK_FILE)
include(${AVCLAN_TARGET_SDK_FILE})
endif()
project(avclan-mockingboard VERSION 1.2 LANGUAGES C CXX ASM)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
set(BUILD_TESTING OFF CACHE BOOL "" FORCE)
# Hardware target (port) selection. The chosen target/<name>/ directory supplies
# the port implementation sources, the per-target include path, and all
# hardware-specific build configuration (compile defs/options, device-pack
# handling, flashing) via its own CMakeLists, pulled in with add_subdirectory
# below. The matching cross-compiler is selected separately by a toolchain file
# (e.g. cmake/avr-gcc-toolchain.cmake) named in a CMake preset. Adding a new
# board = a sibling target/ directory + a toolchain file + a preset wiring them.
set(AVCLAN_TARGET avr-attiny3216 CACHE STRING "Hardware target (port) to build")
set_property(CACHE AVCLAN_TARGET PROPERTY STRINGS "avr-attiny3216" "pico2" "esp32")
# --- Firmware configuration options ----------------------------------------
set(AVCLAN_MSG_QUEUE_SIZE 16 CACHE STRING "Size of incoming/outgoing queues")
set(AVCLAN_FRAME_POOL_N 14 CACHE STRING "Pool allocator capacity for avclan::Frame (must be <= incoming/outgoing queue size)")
set(CMAKE_C_STANDARD 23)
set(CMAKE_CXX_STANDARD 23)
set(CMAKE_C_STANDARD_REQUIRED ON)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
set(BUILD_TESTING OFF CACHE BOOL "" FORCE)
add_compile_options(
-Wall -Wswitch-enum -Werror
$<$<COMPILE_LANGUAGE:CXX>:-fno-threadsafe-statics>
$<$<COMPILE_LANGUAGE:CXX>:-fno-exceptions>
$<$<COMPILE_LANGUAGE:CXX>:-fno-rtti>
# Debug must not be -O0: both the vendored usart.h and avr-libc's
# <util/delay.h> #warning when __OPTIMIZE__ is undefined, and -Werror makes
# that fatal.
@@ -52,15 +69,6 @@ if(INSTALL_GIT_HOOKS AND EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/.git")
endif()
endif()
# Hardware target (port) selection. The chosen target/<name>/ directory supplies
# the port implementation sources, the per-target include path, and all
# hardware-specific build configuration (compile defs/options, device-pack
# handling, flashing) via its own CMakeLists, pulled in with add_subdirectory
# below. The matching cross-compiler is selected separately by a toolchain file
# (e.g. cmake/avr-gcc-toolchain.cmake) named in a CMake preset. Adding a new
# board = a sibling target/ directory + a toolchain file + a preset wiring them.
set(AVCLAN_TARGET avr-attiny3216 CACHE STRING "Hardware target (port) to build")
# The AVC-LAN stack as a static library: the target-agnostic generic core (no
# <avr/...>, no register access). The selected target's port sources and flags
# are contributed by its subdirectory.
@@ -103,7 +111,7 @@ add_subdirectory(src/avclan/target/${AVCLAN_TARGET})
# --- Polyfill headers for std facilities the toolchain may lack -------------
# tl::expected / tl::optional back-fill std::expected / std::optional (with
# C++23 monadic ops) when the build's stdlib predates them. Runs after the port
# subdirectory to provide a port-supplied freestanding stdlib via
# subdirectory to provide a port-supplied freestanding stdlib via
# CMAKE_REQUIRED_INCLUDES, if necessary.
include(CheckCXXSourceCompiles)
include(FetchContent)