Integrate libo1heap via git subtree and upgrade to libo1heap/v2.1.1

CMakeLists.txt

@@ -15,18 +15,16 @@ set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
 ##########################################################################
 option(BUILD_EXAMPLES "Build all examples provided with this library" OFF)
 ##########################################################################
-add_subdirectory(src/libo1heap)
-##########################################################################
 add_library(${PROJECT_NAME} STATIC
   src/Node.cpp
   src/libcanard/canard.c
+  src/libo1heap/o1heap.c
 )
 ##########################################################################
 target_compile_options(${PROJECT_NAME} PRIVATE -Wall -Wextra -Wpedantic -Werror)
 ##########################################################################
-target_include_directories(${PROJECT_NAME} PUBLIC src extras/cyphal++/include src/libcanard)
+target_include_directories(${PROJECT_NAME} PUBLIC src extras/cyphal++/include src/libcanard src/libo1heap)
 target_compile_features(${PROJECT_NAME} PUBLIC cxx_std_17)
-target_link_libraries(${PROJECT_NAME} o1heap)
 ##########################################################################
 if(BUILD_EXAMPLES)
   add_subdirectory(examples/host-example-01-opencyphal-basic-node)

src/libo1heap/.clang-tidy

@@ -0,0 +1,28 @@
+---
+Checks: >-
+  boost-*,
+  bugprone-*,
+  cert-*,
+  clang-analyzer-*,
+  cppcoreguidelines-*,
+  google-*,
+  hicpp-*,
+  llvm-*,
+  misc-*,
+  modernize-*,
+  performance-*,
+  portability-*,
+  readability-*,
+  -google-readability-todo,
+  -readability-avoid-const-params-in-decls,
+  -readability-identifier-length,
+  -llvm-header-guard,
+  -modernize-macro-to-enum,
+CheckOptions:
+  - key:   readability-function-cognitive-complexity.Threshold
+    value: '199'
+WarningsAsErrors: '*'
+HeaderFilterRegex: '.*'
+AnalyzeTemporaryDtors: false
+FormatStyle: file
+...