diff --git a/package/bdwgc/Config.in b/package/bdwgc/Config.in
index aad2bc9ef2..1124ab0f60 100644
--- a/package/bdwgc/Config.in
+++ b/package/bdwgc/Config.in
@@ -1,5 +1,6 @@
 config BR2_PACKAGE_BDWGC
 	bool "bdwgc"
+	depends on BR2_USE_MMU # madvise()
 	depends on BR2_PACKAGE_LIBATOMIC_OPS_ARCH_SUPPORTS
 	select BR2_PACKAGE_LIBATOMIC_OPS
 	help
diff --git a/package/guile/Config.in b/package/guile/Config.in
index f70e674018..3cf0ec863b 100644
--- a/package/guile/Config.in
+++ b/package/guile/Config.in
@@ -1,5 +1,6 @@
 config BR2_PACKAGE_GUILE
 	bool "guile"
+	depends on BR2_USE_MMU # bdwgc
 	depends on !BR2_TOOLCHAIN_USES_MUSL # no strtol_l
 	depends on BR2_TOOLCHAIN_HAS_THREADS
 	depends on BR2_PACKAGE_LIBATOMIC_OPS_ARCH_SUPPORTS # bdwgc
@@ -17,5 +18,6 @@ config BR2_PACKAGE_GUILE
 	  http://www.gnu.org/software/guile
 
 comment "guile needs a uClibc or glibc toolchain w/ threads, wchar, dynamic library"
+	depends on BR2_USE_MMU
 	depends on !BR2_TOOLCHAIN_HAS_THREADS || !BR2_USE_WCHAR || \
 		BR2_STATIC_LIBS || BR2_TOOLCHAIN_USES_MUSL
diff --git a/package/poke/Config.in b/package/poke/Config.in
index 40e7a31bab..8bedb12bf8 100644
--- a/package/poke/Config.in
+++ b/package/poke/Config.in
@@ -3,6 +3,7 @@ config BR2_PACKAGE_POKE
 	depends on BR2_PACKAGE_LIBATOMIC_OPS_ARCH_SUPPORTS # bdwgc
 	depends on BR2_USE_WCHAR # needs wctomb
 	depends on BR2_TOOLCHAIN_HAS_THREADS_NPTL
+	depends on BR2_USE_MMU # bdwgc
 	select BR2_PACKAGE_BUSYBOX_SHOW_OTHERS # less
 	select BR2_PACKAGE_BDWGC
 	select BR2_PACKAGE_LESS # runtime
@@ -25,4 +26,5 @@ config BR2_PACKAGE_POKE
 
 comment "poke needs a toolchain w/ NPTL, wchar"
 	depends on BR2_PACKAGE_LIBATOMIC_OPS_ARCH_SUPPORTS
+	depends on BR2_USE_MMU
 	depends on !BR2_TOOLCHAIN_HAS_THREADS_NPTL || !BR2_USE_WCHAR