SWPROT-8953: build: cmake: Use Upstream cmock

Not this is not latest version but it aligned to the version used at zwa,
may unify-core align to it and synchronize all projects accordingly,
or reconsider the archtecture.

Signed-off-by: Philippe Coval <[email protected]>

Author: rzr

CMakeLists.txt

@@ -14,6 +14,9 @@ if(NOT DEFINED COMMON_LOCATION)
 endif()
 
 if(BUILD_TESTING)
+  include(cmake/modules/FindCMock.cmake)
+  set(THS-CMOCK_LOCATION "${cmock_SOURCE_DIR}")
+  set(THS-UNITY_LOCATION  "${cmock_SOURCE_DIR}/vendor/unity")
   # https://gitlab.kitware.com/cmake/cmake/-/issues/22813#note_1620373
   option(BUILD_TESTING_PROPERTY_DISABLED "WARNING: Bypass some tests" True)
   if(BUILD_TESTING_PROPERTY_DISABLED)

cmake/modules/FindCMock.cmake

@@ -0,0 +1,45 @@
+# SPDX-FileCopyrightText: Silicon Laboratories Inc. <https://www.silabs.com/>
+# SPDX-License-Identifier: Zlib
+#
+# This recipe allows to download CMock
+# It can be used by projects which are depending on it
+# Feel free to copy this (up to date) file everywhere it is needed
+
+include(FetchContent)
+
+if(NOT DEFINED CMOCK_GIT_REPOSITORY)
+  if(DEFINED ENV{CMOCK_GIT_REPOSITORY})
+    set(CMOCK_GIT_REPOSITORY $ENV{CMOCK_GIT_REPOSITORY})
+  endif()
+endif()
+if("${CMOCK_GIT_REPOSITORY}" STREQUAL "")
+  set(CMOCK_GIT_REPOSITORY "https://github.com/ThrowTheSwitch/CMock")
+endif()
+
+if(NOT DEFINED CMOCK_GIT_TAG)
+  if(DEFINED ENV{CMOCK_GIT_TAG})
+    set(CMOCK_GIT_TAG $ENV{CMOCK_GIT_TAG})
+  else()
+    set(CMOCK_GIT_TAG "v2.5.3")
+  endif()
+endif()
+  
+FetchContent_Declare(
+  CMock
+  GIT_REPOSITORY ${CMOCK_GIT_REPOSITORY}
+  GIT_TAG        ${CMOCK_GIT_TAG}
+  GIT_SUBMODULES_RECURSE True
+  GIT_SHALLOW 1
+)
+
+message(STATUS "${CMAKE_PROJECT_NAME}: Depends: ${CMOCK_GIT_REPOSITORY}#${CMOCK_GIT_TAG}")
+string(REGEX MATCH ".*/?main/?.*" CMOCK_UNSTABLE_GIT_TAG "${CMOCK_GIT_TAG}")
+if(CMOCK_GIT_TAG STREQUAL "" OR CMOCK_UNSTABLE_GIT_TAG)
+  message(WARNING "${CMAKE_PROJECT_NAME}: Declare CMOCK_GIT_TAG to stable version not: ${CMOCK_UNSTABLE_GIT_TAG}")
+endif()
+
+set(FETCHCONTENT_QUIET FALSE)
+FetchContent_MakeAvailable(CMock)
+
+message(STATUS "CMock Sources: ${cmock_SOURCE_DIR}")
+message(STATUS "CMock Binaries: ${cmock_BINARY_DIR}")