Index: generate/unix/Makefile.config
--- generate/unix/Makefile.config.orig
+++ generate/unix/Makefile.config
@@ -229,11 +229,11 @@ CWARNINGFLAGS += \
     -Wnested-externs\
     -Wold-style-definition\
     -Wno-format-nonliteral\
-    -Wredundant-decls
+
 #
 # Per-host flags and exclusions
 #
-ifneq ($(ACPI_HOST), _FreeBSD)
+ifneq ($(ACPI_HOST), _LINUX)
     CWARNINGFLAGS += \
         -Wempty-body
 
