remove Eigen alignment detection dead code

CMakeLists.txt

@@ -585,26 +585,10 @@ if (NOT MSVC AND MRPT_ENABLE_PRECOMPILED_HDRS)
 	set_directory_properties(PROPERTIES COTIRE_ADD_UNITY_BUILD FALSE) # Disable unity targets
 endif()
 
-# Detect Eigen Alignment to make MRPT compatible.
-# EIGEN_MAX_ALIGN_BYTES & EIGEN_MAX_STATIC_ALIGN_BYTES with selected compiler flags
-# ------------------------------------------------
-# DISABLED! Just go for the safer side: align=32 bytes
-#	get_directory_property(mrpt_root_dir_COMPILE_OPTIONS COMPILE_OPTIONS)
-#try_run(RUN_EIGEN_RETVAL BUILD_EIGEN_SUCCESS
-#	${CMAKE_BINARY_DIR}
-#	SOURCES "${CMAKE_CURRENT_SOURCE_DIR}/parse-files/eigen_detect_alignment.cpp"
-#	COMPILE_DEFINITIONS ""
-#	CMAKE_FLAGS
-#	-DINCLUDE_DIRECTORIES:STRING=${MRPT_EIGEN_INCLUDE_DIR}
-#	-DCMAKE_CXX_FLAGS:STRING="${CMAKE_CXX_FLAGS} ${mrpt_root_dir_COMPILE_OPTIONS}"
-#	OUTPUT_VARIABLE EIGEN_TEST_OUT)
-#if (BUILD_EIGEN_SUCCESS AND (RUN_EIGEN_RETVAL EQUAL 0))
-#	string(REGEX MATCH "EIGEN_MAX_ALIGN_BYTES[ ]+[0-9]+" EIGEN_MAX_ALIGN_BYTES "${EIGEN_TEST_OUT}")
-#	string(REGEX MATCH "[0-9]+" EIGEN_MAX_ALIGN_BYTES "${EIGEN_MAX_ALIGN_BYTES}")
-#	string(REGEX MATCH "EIGEN_MAX_STATIC_ALIGN_BYTES[ ]+[0-9]+" EIGEN_MAX_STATIC_ALIGN_BYTES "${EIGEN_TEST_OUT}")
-#	string(REGEX MATCH "[0-9]+" EIGEN_MAX_STATIC_ALIGN_BYTES "${EIGEN_MAX_STATIC_ALIGN_BYTES}")
-#else()
-#message(STATUS "Test Eigen build failed, falling back to default alignment (BUILD_EIGEN_SUCCESS=${BUILD_EIGEN_SUCCESS} RUN_EIGEN_RETVAL=${RUN_EIGEN_RETVAL} BUILD_EIGEN_OUT=${EIGEN_TEST_OUT})")
+# Eigen Alignment to make MRPT compatible with different compiler build flags.
+# EIGEN_MAX_ALIGN_BYTES & EIGEN_MAX_STATIC_ALIGN_BYTES
+# Just go for the safer side: align=32 bytes
+# ------------------------------------------------------
 if (MRPT_ARCH_INTEL_COMPATIBLE)
     set(EIGEN_MAX_ALIGN_BYTES 32)
     set(EIGEN_MAX_STATIC_ALIGN_BYTES 32)
@@ -613,7 +597,6 @@ else()
     set(EIGEN_MAX_ALIGN_BYTES 16)
     set(EIGEN_MAX_STATIC_ALIGN_BYTES 16)
 endif()
-#endif()
 
 include(cmakemodules/script_create_config_h.cmake REQUIRED)   # Build config.h
 include(cmakemodules/script_create_version_h.cmake REQUIRED)  # Build version.h