diff --git a/support/misc/Buildroot.cmake b/support/misc/Buildroot.cmake
index b0046b387b..9f5f565255 100644
--- a/support/misc/Buildroot.cmake
+++ b/support/misc/Buildroot.cmake
@@ -1,3 +1,7 @@
+# Impersonate a Linux system. Afterall, that's what we are...
+set(CMAKE_SYSTEM_NAME Linux)
 include(Platform/Linux)
+
+# Override problematic settings, to avoid RPATH against host lib directories.
 set_property(GLOBAL PROPERTY FIND_LIBRARY_USE_LIB32_PATHS FALSE)
 set_property(GLOBAL PROPERTY FIND_LIBRARY_USE_LIB64_PATHS FALSE)