--- /home/ben/sbo/ff/uavs3d/source/CMakeLists.txt	2024-02-21 15:38:58.265755999 +0530
+++ /home/ben/sbo/ff/uavs3d/source/CMakeListsn.txt	2024-02-21 16:03:45.133751729 +0530
@@ -13,6 +13,8 @@
               " Unexpected pointer size ${CMAKE_SIZEOF_VOID_P} for ${CMAKE_SYSTEM_PROCESSOR}\n")
   endif()
 elseif("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "i386" OR
+       "${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "i586" OR
+        "${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "i686" OR
        "${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "x86")
   set(UAVS3D_TARGET_CPU "x86")
 elseif("${CMAKE_SYSTEM_PROCESSOR}" MATCHES "aarch64" OR
@@ -109,7 +111,13 @@
 find_package(Threads REQUIRED)
 set(prefix "${CMAKE_INSTALL_PREFIX}")
 set(includedir "include")
+if(${CMAKE_SIZEOF_VOID_P} EQUAL 4)
 set(libdir "lib")
+elseif(${CMAKE_SIZEOF_VOID_P} EQUAL 8)
+set(libdir "lib64")
+else()
+message(FATAL_ERROR " Compiling for wrong architecture in Slackware GNU/Linux \n")
+endif()
 set(pc_file "${CONFIG_DIR}/${LIBNAME}.pc")
 
 set(CMAKE_INSTALL_INCLUDE_DIR "${CMAKE_INSTALL_PREFIX}/${includedir}")