diff --git a/CMakeLists.txt b/CMakeLists.txt
index c8eb1fc48..4f64e29d5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -75,6 +75,13 @@ set(KATIE_VERSION "${KATIE_MAJOR}.${KATIE_MINOR}.${KATIE_MICRO}")
 # this one is set via macro later, if possible. also used in config.cpp.cmake
 set(KATIE_GIT "unstable-${KATIE_VERSION}")
 
+# only for the build process
+if(CMAKE_SYSTEM_PROCESSOR)
+    string(TOLOWER "${CMAKE_SYSTEM_PROCESSOR}" KATIE_PROCESSOR)
+elseif(CMAKE_HOST_SYSTEM_PROCESSOR)
+    string(TOLOWER "${CMAKE_HOST_SYSTEM_PROCESSOR}" KATIE_PROCESSOR)
+endif()
+
 # components and tools that will be build, changed depending on the requirements availability
 # NOTE: excluding DesignerComponents as it was never used as public component, currently only
 # used by the the designer tool. if it is ever needed for something it can just be added here
@@ -931,13 +938,13 @@ configure_file(
 
 configure_file(
     ${CMAKE_SOURCE_DIR}/cmake/ld.so.conf.cmake
-    ${CMAKE_BINARY_DIR}/katie-${KATIE_ARCHITECTURE}.conf
+    ${CMAKE_BINARY_DIR}/katie-${KATIE_PROCESSOR}.conf
     @ONLY
 )
 
 configure_file(
     ${CMAKE_SOURCE_DIR}/cmake/profile.sh.cmake
-    ${CMAKE_BINARY_DIR}/katie-${KATIE_ARCHITECTURE}.sh
+    ${CMAKE_BINARY_DIR}/katie-${KATIE_PROCESSOR}.sh
     @ONLY
 )
 
@@ -974,13 +981,13 @@ install(
 )
 
 install(
-    FILES ${CMAKE_BINARY_DIR}/katie-${KATIE_ARCHITECTURE}.conf
+    FILES ${CMAKE_BINARY_DIR}/katie-${KATIE_PROCESSOR}.conf
     DESTINATION ${KATIE_LDCONF_RELATIVE}
     COMPONENT Runtime
 )
 
 install(
-    FILES ${CMAKE_BINARY_DIR}/katie-${KATIE_ARCHITECTURE}.sh
+    FILES ${CMAKE_BINARY_DIR}/katie-${KATIE_PROCESSOR}.sh
     DESTINATION ${KATIE_PROFILE_RELATIVE}
     COMPONENT Runtime
 )
diff --git a/mkspecs/mkspecs.cmake b/mkspecs/mkspecs.cmake
index 014f18438..cde46a944 100644
--- a/mkspecs/mkspecs.cmake
+++ b/mkspecs/mkspecs.cmake
@@ -33,49 +33,6 @@ if(NOT KATIE_COMPILER)
     endif()
 endif()
 
-if(NOT KATIE_ARCHITECTURE)
-    if(CMAKE_SYSTEM_PROCESSOR)
-        string(TOLOWER ${CMAKE_SYSTEM_PROCESSOR} lowercase_processor)
-    elseif(CMAKE_HOST_SYSTEM_PROCESSOR)
-        string(TOLOWER ${CMAKE_HOST_SYSTEM_PROCESSOR} lowercase_processor)
-    endif()
-
-    # https://en.wikipedia.org/wiki/Uname
-    if(lowercase_processor MATCHES "^alpha")
-        set(KATIE_ARCHITECTURE "alpha")
-    elseif(lowercase_processor MATCHES "^arm")
-        set(KATIE_ARCHITECTURE "arm")
-    elseif(lowercase_processor MATCHES "^avr")
-        set(KATIE_ARCHITECTURE "avr")
-    elseif(lowercase_processor MATCHES "^blackfin")
-        set(KATIE_ARCHITECTURE "blackfin")
-    elseif(lowercase_processor MATCHES "(x86|i[3-6]86|i86pc)")
-        set(KATIE_ARCHITECTURE "i386")
-    elseif(lowercase_processor MATCHES "^ia64")
-        set(KATIE_ARCHITECTURE "ia64")
-    elseif(lowercase_processor MATCHES "^m68k")
-        set(KATIE_ARCHITECTURE "m68k")
-    elseif(lowercase_processor MATCHES "^mips")
-        set(KATIE_ARCHITECTURE "mips")
-    elseif(lowercase_processor MATCHES "^nacl")
-        set(KATIE_ARCHITECTURE "nacl")
-    elseif(lowercase_processor MATCHES "^hppa")
-        set(KATIE_ARCHITECTURE "parisc")
-    elseif(lowercase_processor MATCHES "^ppc")
-        set(KATIE_ARCHITECTURE "powerpc")
-    elseif(lowercase_processor MATCHES "^s390")
-        set(KATIE_ARCHITECTURE "s390")
-    elseif(lowercase_processor MATCHES "^sparc")
-        set(KATIE_ARCHITECTURE "sparc")
-    elseif(lowercase_processor MATCHES "^sh")
-        set(KATIE_ARCHITECTURE "sh")
-    elseif(lowercase_processor MATCHES "(x86_64|amd64)")
-        set(KATIE_ARCHITECTURE "x86_64")
-    else()
-        message(FATAL_ERROR "Unknown CPU '${CMAKE_SYSTEM_PROCESSOR}' (${CMAKE_HOST_SYSTEM_PROCESSOR})")
-    endif()
-endif()
-
 if(NOT CMAKE_BUILD_TYPE STREQUAL "Debug")
     katie_definition(-DQT_NO_DEBUG)
 endif()