Normalize CMAKE_SYSTEM_NAME and platform dependent folder names

cmake/find/ldap.cmake

@@ -24,7 +24,9 @@ if (ENABLE_LDAP)
     endif ()
 
     if (NOT OPENLDAP_FOUND AND NOT MISSING_INTERNAL_LDAP_LIBRARY)
+        string (TOLOWER "${CMAKE_SYSTEM_NAME}" _system_name)
         string (TOLOWER "${CMAKE_SYSTEM_PROCESSOR}" _system_processor)
+
         if (
             "${_system_processor}" STREQUAL "amd64" OR
             "${_system_processor}" STREQUAL "x64"
@@ -33,9 +35,9 @@ if (ENABLE_LDAP)
         endif ()
 
         if (
-            ( "${CMAKE_SYSTEM_NAME}" STREQUAL "Linux"   AND "${_system_processor}" STREQUAL "x86_64" ) OR
+            ( "${_system_name}" STREQUAL "linux"   AND "${_system_processor}" STREQUAL "x86_64" ) OR
-            ( "${CMAKE_SYSTEM_NAME}" STREQUAL "FreeBSD" AND "${_system_processor}" STREQUAL "x86_64" ) OR
+            ( "${_system_name}" STREQUAL "freebsd" AND "${_system_processor}" STREQUAL "x86_64" ) OR
-            ( "${CMAKE_SYSTEM_NAME}" STREQUAL "Darwin"  AND "${_system_processor}" STREQUAL "x86_64" )
+            ( "${_system_name}" STREQUAL "darwin"  AND "${_system_processor}" STREQUAL "x86_64" )
         )
             set (_ldap_supported_platform TRUE)
         endif ()

contrib/openldap-cmake/CMakeLists.txt

@@ -20,7 +20,9 @@ macro(mkversion _lib_name)
     )
 endmacro()
 
+string(TOLOWER "${CMAKE_SYSTEM_NAME}" _system_name)
 string(TOLOWER "${CMAKE_SYSTEM_PROCESSOR}" _system_processor)
+
 if(
     "${_system_processor}" STREQUAL "amd64" OR
     "${_system_processor}" STREQUAL "x64"
@@ -28,7 +30,7 @@ if(
     set(_system_processor "x86_64")
 endif()
 
-set(_extra_build_dir "${CMAKE_CURRENT_SOURCE_DIR}/${CMAKE_SYSTEM_NAME}_${_system_processor}")
+set(_extra_build_dir "${CMAKE_CURRENT_SOURCE_DIR}/${_system_name}_${_system_processor}")
 
 set(_lber_srcs
     ${OPENLDAP_SOURCE_DIR}/libraries/liblber/assert.c