cmake: sca: Add Parasoft C++test

This commit adds Parasoft C++test as a Static Analyser using Zephyr's SCA
framework.

By specifing -DZEPHYR_SCA_VARIANT=cpptest to west build, a cpptestscan.bdf
file will be generated under builddir/sca/cpptest/.

Signed-off-by: Yasushi SHOJI <yashi@spacecubics.com>

cmake/sca/cpptest/sca.cmake

@@ -0,0 +1,15 @@
+# SPDX-License-Identifier: Apache-2.0
+#
+# Copyright (c) 2024, Space Cubics, LLC.
+
+find_program(CPPTESTSCAN cpptestscan REQUIRED)
+message(STATUS "Found SCA: Parasoft C/C++test (${CPPTESTSCAN})")
+
+set(output_dir ${CMAKE_BINARY_DIR}/sca/cpptest)
+file(MAKE_DIRECTORY ${output_dir})
+
+set(output_file ${output_dir}/cpptestscan.bdf)
+set(output_arg --cpptestscanOutputFile=${output_file})
+
+set(CMAKE_C_COMPILER_LAUNCHER ${CPPTESTSCAN} ${output_arg} CACHE INTERNAL "")
+set(CMAKE_CXX_COMPILER_LAUNCHER ${CPPTESTSCAN} ${output_arg} CACHE INTERNAL "")