+if PLATFORM_ARM64
+discover_platform_ro_SOURCES += discover/platform-arm64.c
+endif
+
+if PLATFORM_POWERPC
+discover_platform_ro_SOURCES += discover/platform-powerpc.c
+endif
+
+# Build dummy last to put it at the end of the platforms section.
+discover_platform_ro_SOURCES += discover/platform-dummy.c