diff --git a/toolchain/toolchain-external/toolchain-external-custom/Config.in.options b/toolchain/toolchain-external/toolchain-external-custom/Config.in.options
index b9e7c2078a..e35ef8784d 100644
--- a/toolchain/toolchain-external/toolchain-external-custom/Config.in.options
+++ b/toolchain/toolchain-external/toolchain-external-custom/Config.in.options
@@ -18,6 +18,11 @@ config BR2_TOOLCHAIN_EXTERNAL_CUSTOM_PREFIX
 
 choice
 	bool "External toolchain gcc version"
+	default BR2_TOOLCHAIN_EXTERNAL_GCC_7   if BR2_ARCH_NEEDS_GCC_AT_LEAST_7
+	default BR2_TOOLCHAIN_EXTERNAL_GCC_6   if BR2_ARCH_NEEDS_GCC_AT_LEAST_6
+	default BR2_TOOLCHAIN_EXTERNAL_GCC_5   if BR2_ARCH_NEEDS_GCC_AT_LEAST_5
+	default BR2_TOOLCHAIN_EXTERNAL_GCC_4_9 if BR2_ARCH_NEEDS_GCC_AT_LEAST_4_9
+	default BR2_TOOLCHAIN_EXTERNAL_GCC_4_8 if BR2_ARCH_NEEDS_GCC_AT_LEAST_4_8
 	default BR2_TOOLCHAIN_EXTERNAL_GCC_4_3
 	help
 	  Set to the gcc version that is used by your external
@@ -29,42 +34,52 @@ config BR2_TOOLCHAIN_EXTERNAL_GCC_7
 
 config BR2_TOOLCHAIN_EXTERNAL_GCC_6
 	bool "6.x"
+	depends on !BR2_ARCH_NEEDS_GCC_AT_LEAST_7
 	select BR2_TOOLCHAIN_GCC_AT_LEAST_6
 
 config BR2_TOOLCHAIN_EXTERNAL_GCC_5
 	bool "5.x"
+	depends on !BR2_ARCH_NEEDS_GCC_AT_LEAST_6
 	select BR2_TOOLCHAIN_GCC_AT_LEAST_5
 
 config BR2_TOOLCHAIN_EXTERNAL_GCC_4_9
 	bool "4.9.x"
+	depends on !BR2_ARCH_NEEDS_GCC_AT_LEAST_5
 	select BR2_TOOLCHAIN_GCC_AT_LEAST_4_9
 
 config BR2_TOOLCHAIN_EXTERNAL_GCC_4_8
 	bool "4.8.x"
+	depends on !BR2_ARCH_NEEDS_GCC_AT_LEAST_4_9
 	select BR2_TOOLCHAIN_GCC_AT_LEAST_4_8
 
 config BR2_TOOLCHAIN_EXTERNAL_GCC_4_7
 	bool "4.7.x"
+	depends on !BR2_ARCH_NEEDS_GCC_AT_LEAST_4_8
 	select BR2_TOOLCHAIN_GCC_AT_LEAST_4_7
 
 config BR2_TOOLCHAIN_EXTERNAL_GCC_4_6
 	bool "4.6.x"
+	depends on !BR2_ARCH_NEEDS_GCC_AT_LEAST_4_8
 	select BR2_TOOLCHAIN_GCC_AT_LEAST_4_6
 
 config BR2_TOOLCHAIN_EXTERNAL_GCC_4_5
 	bool "4.5.x"
+	depends on !BR2_ARCH_NEEDS_GCC_AT_LEAST_4_8
 	select BR2_TOOLCHAIN_GCC_AT_LEAST_4_5
 
 config BR2_TOOLCHAIN_EXTERNAL_GCC_4_4
 	bool "4.4.x"
+	depends on !BR2_ARCH_NEEDS_GCC_AT_LEAST_4_8
 	select BR2_TOOLCHAIN_GCC_AT_LEAST_4_4
 
 config BR2_TOOLCHAIN_EXTERNAL_GCC_4_3
 	bool "4.3.x"
+	depends on !BR2_ARCH_NEEDS_GCC_AT_LEAST_4_8
 	select BR2_TOOLCHAIN_GCC_AT_LEAST_4_3
 
 config BR2_TOOLCHAIN_EXTERNAL_GCC_OLD
 	bool "older"
+	depends on !BR2_ARCH_NEEDS_GCC_AT_LEAST_4_8
 	help
 	  Use this option if your GCC version is older than any of the
 	  above.