diff --git a/package/gauche/Config.in b/package/gauche/Config.in
index 072067224f..54a0be243f 100644
--- a/package/gauche/Config.in
+++ b/package/gauche/Config.in
@@ -1,8 +1,18 @@
+# Architecture dependency from the bundled bdwgc.
+config BR2_PACKAGE_GAUCHE_ARCH_SUPPORTS
+	bool
+	default y if BR2_arm || BR2_armeb || BR2_i386 || BR2_m68k || \
+		BR2_mips || BR2_mipsel || BR2_mips64 || \
+		BR2_mips64el || BR2_powerpc || BR2_powerpc64 || \
+		BR2_powerpc64le || BR2_sh || BR2_sh64 || BR2_sparc || \
+		BR2_sparc64 || BR2_x86_64
+
 config BR2_PACKAGE_GAUCHE
 	bool "gauche"
 	depends on BR2_TOOLCHAIN_HAS_THREADS_NPTL
 	depends on BR2_USE_MMU # fork()
 	depends on BR2_ARCH_HAS_ATOMICS
+	depends on BR2_PACKAGE_GAUCHE_ARCH_SUPPORTS
 	help
 	  Gauche is an R7RS Scheme implementation developed to be a
 	  handy script interpreter, which allows programmers and
@@ -16,4 +26,5 @@ config BR2_PACKAGE_GAUCHE
 comment "gauche needs a toolchain w/ NPTL"
 	depends on BR2_USE_MMU
 	depends on BR2_ARCH_HAS_ATOMICS
+	depends on BR2_PACKAGE_GAUCHE_ARCH_SUPPORTS
 	depends on !BR2_TOOLCHAIN_HAS_THREADS_NPTL