diff --git a/components/bounds_checking_function b/components/bounds_checking_function
new file mode 120000
index 00000000..795e1a77
--- /dev/null
+++ b/components/bounds_checking_function
@@ -0,0 +1 @@
+../../../third_party/bounds_checking_function/
\ No newline at end of file
diff --git a/kal/cmsis/cmsis_os2.h b/kal/cmsis/cmsis_os2.h
new file mode 120000
index 00000000..c98551bc
--- /dev/null
+++ b/kal/cmsis/cmsis_os2.h
@@ -0,0 +1 @@
+../../../../third_party/cmsis/CMSIS/RTOS2/Include/cmsis_os2.h
\ No newline at end of file