Inital commit

deps/FindUnity.cmake

@@ -0,0 +1,67 @@
+# ==============================================================================
+# Find Unity
+# ==============================================================================
+# This module fetches the Unity unit testing framework.
+#
+# Targets provided:
+#   Unity::Unity - The Unity library target
+#
+# Variables set:
+#   Unity_FOUND       - TRUE if Unity is available
+#   Unity_LIBRARIES   - The Unity library target (Unity::Unity)
+#   Unity_INCLUDE_DIR - Include directories for Unity
+#   Unity_VERSION     - Version of Unity (if available)
+# ==============================================================================
+
+if (DEFINED _FINDUNITY_INCLUDED)
+    return()
+endif()
+set(_FINDUNITY_INCLUDED TRUE)
+
+if (DEFINED Unity_FIND_VERSION AND NOT Unity_FIND_VERSION STREQUAL "")
+    set(UNITY_VERSION "${Unity_FIND_VERSION}")
+else()
+    set(UNITY_VERSION "2.6.1")
+endif()
+
+message(STATUS "Fetching Unity ${UNITY_VERSION}")
+
+include(FetchContent)
+
+FetchContent_Declare(
+    unity
+    URL https://github.com/ThrowTheSwitch/Unity/archive/refs/tags/v${UNITY_VERSION}.zip
+    DOWNLOAD_EXTRACT_TIMESTAMP TRUE
+)
+
+FetchContent_MakeAvailable(unity)
+
+# Unity sets INTERFACE_SYSTEM_INCLUDE_DIRECTORIES to a path inside the build
+# tree, which CMake rejects on newer versions. The path stays in
+# INTERFACE_INCLUDE_DIRECTORIES so headers are still found.
+if (TARGET unity)
+    set_target_properties(unity PROPERTIES INTERFACE_SYSTEM_INCLUDE_DIRECTORIES "")
+endif()
+
+if (NOT TARGET Unity::Unity)
+    if (TARGET unity)
+        add_library(Unity::Unity ALIAS unity)
+    else()
+        message(FATAL_ERROR "Could not fetch Unity; no target unity or Unity::Unity available")
+    endif()
+endif()
+
+set(Unity_FOUND        TRUE)
+set(Unity_LIBRARIES    Unity::Unity)
+set(Unity_VERSION      "${UNITY_VERSION}")
+set(Unity_INCLUDE_DIR  "${unity_SOURCE_DIR}/src")
+
+
+if (TARGET unity)
+    target_compile_definitions(unity PUBLIC
+        UNITY_OUTPUT_COLOR
+        UNITY_INCLUDE_PRINT_FORMATTED
+    )
+endif()
+
+set(UNITY_LICENSE_FILE "${unity_SOURCE_DIR}/LICENSE.txt" CACHE FILEPATH "Path to Unity license file")