diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4b133dc..7fd5d39 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,33 +2,47 @@ cmake_minimum_required(VERSION 3.10)
 
 project(mruby_mcux)
 
+# Specify mRuby configuration file via variables
 if(NOT DEFINED MRUBY_MCUX_TARGET)
     message(WARNING "MRUBY_MCUX_TARGET not defined, using default.")
-    set(MRUBY_MCUX_TARGET imxrt10xx)
+    set(MRUBY_MCUX_TARGET imxrt1052) # Default target
 endif()
 
-add_custom_command(OUTPUT libmruby.a
-    COMMAND "${CMAKE_COMMAND}" "-E" "env"
-            "MRUBY_CONFIG=${CMAKE_CURRENT_SOURCE_DIR}/configs/${MRUBY_MCUX_TARGET}.rb"
+add_custom_command(
+    OUTPUT
+        "mruby/${MRUBY_MCUX_TARGET}/lib/libmruby.a"
+
+    COMMAND
+        "${CMAKE_COMMAND}" "-E" "env"
+        "MRUBY_CONFIG=${CMAKE_CURRENT_SOURCE_DIR}/configs/${MRUBY_MCUX_TARGET}.rb"
 	    "MRUBY_BUILD_DIR=${CMAKE_CURRENT_BINARY_DIR}/mruby"
 	    "INSTALL_DIR=${CMAKE_CURRENT_BINARY_DIR}/mruby/bin"
-            "./minirake"
+        "./minirake"
 
     WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/mruby"
 )
 
-add_custom_target(mruby
-    DEPENDS "libmruby.a"
+add_custom_target(mruby_libs
+    DEPENDS "mruby/${MRUBY_MCUX_TARGET}/lib/libmruby.a"
 )
 
-set_target_properties(mruby PROPERTIES
+set_target_properties(mruby_libs PROPERTIES
     ADDITIONAL_CLEAN_FILES "${CMAKE_CURRENT_BINARY_DIR}/mruby"
 )
 
 add_library(${PROJECT_NAME} INTERFACE)
-target_link_libraries(${PROJECT_NAME} INTERFACE
-    "mruby"
-    "mruby_core"
+add_dependencies(${PROJECT_NAME} mruby_libs)
+
+target_include_directories(${PROJECT_NAME} INTERFACE
+    "mruby/include"
 )
+
 target_link_directories(${PROJECT_NAME} INTERFACE
     "${CMAKE_CURRENT_BINARY_DIR}/mruby/${MRUBY_MCUX_TARGET}/lib"
+)
+
+target_link_libraries(${PROJECT_NAME} INTERFACE
+    "mruby"
+    "c"
+    "m"
+)
\ No newline at end of file
diff --git a/configs/lpc55s69.rb b/configs/lpc55s69.rb
index 6eb01da..dc182ce 100644
--- a/configs/lpc55s69.rb
+++ b/configs/lpc55s69.rb
@@ -42,6 +42,7 @@ MRuby::CrossBuild.new("lpc55s69") do |conf|
   conf.disable_cxx_exception
 
   #gems from core
+  conf.gem :core => "mruby-compiler"
   conf.gem :core => "mruby-sprintf"
   conf.gem :core => "mruby-print"
   conf.gem :core => "mruby-math"
diff --git a/mruby b/mruby
index d7f4af0..87260e7 160000
--- a/mruby
+++ b/mruby
@@ -1 +1 @@
-Subproject commit d7f4af04ca2c5d7caf377623b9a0c2f86e10e9e8
+Subproject commit 87260e7bb1a9edfb2ce9b41549c4142129061ca5