diff --git a/toolchain/toolchain-external/toolchain-external-codescape-img-mips/Config.in b/toolchain/toolchain-external/toolchain-external-codescape-img-mips/Config.in
index e29c4dcb87..8b2eab0ad2 100644
--- a/toolchain/toolchain-external/toolchain-external-codescape-img-mips/Config.in
+++ b/toolchain/toolchain-external/toolchain-external-codescape-img-mips/Config.in
@@ -1,6 +1,7 @@
 config BR2_TOOLCHAIN_EXTERNAL_CODESCAPE_IMG_MIPS
 	bool "Codescape IMG GNU Linux Toolchain 2016.05"
 	depends on BR2_mips || BR2_mipsel || BR2_mips64 || BR2_mips64el
+	depends on !BR2_ARCH_NEEDS_GCC_AT_LEAST_5
 	depends on BR2_HOSTARCH = "x86_64" || BR2_HOSTARCH = "x86"
 	depends on BR2_MIPS_CPU_MIPS32R6 || (BR2_MIPS_CPU_MIPS64R6 && !BR2_MIPS_SOFT_FLOAT)
 	select BR2_TOOLCHAIN_EXTERNAL_GLIBC
diff --git a/toolchain/toolchain-external/toolchain-external-codescape-mti-mips/Config.in b/toolchain/toolchain-external/toolchain-external-codescape-mti-mips/Config.in
index efe6f8527e..db191fd1be 100644
--- a/toolchain/toolchain-external/toolchain-external-codescape-mti-mips/Config.in
+++ b/toolchain/toolchain-external/toolchain-external-codescape-mti-mips/Config.in
@@ -1,6 +1,7 @@
 config BR2_TOOLCHAIN_EXTERNAL_CODESCAPE_MTI_MIPS
 	bool "Codescape MTI GNU Linux Toolchain 2016.05"
 	depends on BR2_mips || BR2_mipsel || BR2_mips64 || BR2_mips64el
+	depends on !BR2_ARCH_NEEDS_GCC_AT_LEAST_5
 	depends on BR2_HOSTARCH = "x86_64" || BR2_HOSTARCH = "x86"
 	depends on BR2_MIPS_CPU_MIPS32R2 || (BR2_MIPS_CPU_MIPS64R2 && !BR2_MIPS_SOFT_FLOAT) || \
 		BR2_MIPS_CPU_MIPS32R5 || (BR2_MIPS_CPU_MIPS64R5 && !BR2_MIPS_SOFT_FLOAT)
diff --git a/toolchain/toolchain-external/toolchain-external-codesourcery-aarch64/Config.in b/toolchain/toolchain-external/toolchain-external-codesourcery-aarch64/Config.in
index 66a032e9ac..24cbcffa29 100644
--- a/toolchain/toolchain-external/toolchain-external-codesourcery-aarch64/Config.in
+++ b/toolchain/toolchain-external/toolchain-external-codesourcery-aarch64/Config.in
@@ -1,6 +1,7 @@
 config BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_AARCH64
 	bool "CodeSourcery AArch64 2014.11"
 	depends on BR2_aarch64
+	depends on !BR2_ARCH_NEEDS_GCC_AT_LEAST_5
 	# a57/a53 and a72/a53 appeared in gcc-6 or were broken before
 	depends on !BR2_cortex_a57_a53 && !BR2_cortex_a72_a53
 	depends on BR2_HOSTARCH = "x86_64" || BR2_HOSTARCH = "x86"
diff --git a/toolchain/toolchain-external/toolchain-external-codesourcery-amd64/Config.in b/toolchain/toolchain-external/toolchain-external-codesourcery-amd64/Config.in
index 101e227af9..50c5a20019 100644
--- a/toolchain/toolchain-external/toolchain-external-codesourcery-amd64/Config.in
+++ b/toolchain/toolchain-external/toolchain-external-codesourcery-amd64/Config.in
@@ -1,6 +1,7 @@
 config BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_AMD64
 	bool "Sourcery CodeBench AMD64 2016.11"
 	depends on BR2_x86_64
+	depends on !BR2_ARCH_NEEDS_GCC_AT_LEAST_7
 	depends on BR2_HOSTARCH = "x86_64" || BR2_HOSTARCH = "x86"
 	depends on !BR2_STATIC_LIBS
 	depends on BR2_x86_jaguar || BR2_x86_steamroller
diff --git a/toolchain/toolchain-external/toolchain-external-codesourcery-arm/Config.in b/toolchain/toolchain-external/toolchain-external-codesourcery-arm/Config.in
index e1a7891007..b91daa5c81 100644
--- a/toolchain/toolchain-external/toolchain-external-codesourcery-arm/Config.in
+++ b/toolchain/toolchain-external/toolchain-external-codesourcery-arm/Config.in
@@ -1,6 +1,7 @@
 config BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_ARM
 	bool "Sourcery CodeBench ARM 2014.05"
 	depends on BR2_arm
+	depends on !BR2_ARCH_NEEDS_GCC_AT_LEAST_4_9
 	# a15/a7 appeared in gcc-4.9, a17/a7 in gcc-5, a57/a53 and a72/a53
 	# in gcc-6, or they each were broken earlier than that.
 	depends on !BR2_cortex_a15_a7 && !BR2_cortex_a17_a7
@@ -35,5 +36,6 @@ config BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_ARM
 
 comment "Sourcery CodeBench toolchains available for the EABI ABI"
 	depends on BR2_arm
+	depends on !BR2_ARCH_NEEDS_GCC_AT_LEAST_4_9
 	depends on !BR2_ARM_EABI
 	depends on !BR2_STATIC_LIBS
diff --git a/toolchain/toolchain-external/toolchain-external-codesourcery-mips/Config.in b/toolchain/toolchain-external/toolchain-external-codesourcery-mips/Config.in
index 6a13ae6cd6..734f0e4c7c 100644
--- a/toolchain/toolchain-external/toolchain-external-codesourcery-mips/Config.in
+++ b/toolchain/toolchain-external/toolchain-external-codesourcery-mips/Config.in
@@ -2,6 +2,7 @@ config BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_MIPS
 	bool "Sourcery CodeBench MIPS 2016.05"
 	depends on BR2_mips || BR2_mipsel || BR2_mips64 || BR2_mips64el
 	depends on BR2_MIPS_CPU_MIPS32R2 || BR2_MIPS_CPU_MIPS64R2
+	depends on !BR2_ARCH_NEEDS_GCC_AT_LEAST_6
 	# Unsupported MIPS cores
 	depends on !BR2_mips_interaptiv
 	depends on BR2_HOSTARCH = "x86_64" || BR2_HOSTARCH = "x86"
@@ -89,5 +90,6 @@ config BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_MIPS
 	      Select BR2_SOFT_FLOAT
 
 comment "Sourcery CodeBench toolchains are only available for MIPS/MIPS64 o32 and n64"
+	depends on !BR2_ARCH_NEEDS_GCC_AT_LEAST_6
 	depends on BR2_MIPS_NABI32
 	depends on !BR2_STATIC_LIBS
diff --git a/toolchain/toolchain-external/toolchain-external-codesourcery-niosII/Config.in b/toolchain/toolchain-external/toolchain-external-codesourcery-niosII/Config.in
index 341bc2ab44..7563995eb6 100644
--- a/toolchain/toolchain-external/toolchain-external-codesourcery-niosII/Config.in
+++ b/toolchain/toolchain-external/toolchain-external-codesourcery-niosII/Config.in
@@ -1,6 +1,7 @@
 config BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_NIOSII
 	bool "Sourcery CodeBench Nios-II 2017.05"
 	depends on BR2_nios2
+	depends on !BR2_ARCH_NEEDS_GCC_AT_LEAST_7
 	depends on BR2_HOSTARCH = "x86_64" || BR2_HOSTARCH = "x86"
 	depends on !BR2_STATIC_LIBS
 	select BR2_TOOLCHAIN_EXTERNAL_GLIBC
diff --git a/toolchain/toolchain-external/toolchain-external-linaro-aarch64/Config.in b/toolchain/toolchain-external/toolchain-external-linaro-aarch64/Config.in
index caa5ed340a..71ae73adb8 100644
--- a/toolchain/toolchain-external/toolchain-external-linaro-aarch64/Config.in
+++ b/toolchain/toolchain-external/toolchain-external-linaro-aarch64/Config.in
@@ -1,6 +1,7 @@
 config BR2_TOOLCHAIN_EXTERNAL_LINARO_AARCH64
 	bool "Linaro AArch64 2017.02"
 	depends on BR2_aarch64
+	depends on !BR2_ARCH_NEEDS_GCC_AT_LEAST_7
 	depends on BR2_HOSTARCH = "x86_64" || BR2_HOSTARCH = "x86"
 	depends on !BR2_STATIC_LIBS
 	select BR2_TOOLCHAIN_EXTERNAL_GLIBC
diff --git a/toolchain/toolchain-external/toolchain-external-linaro-arm/Config.in b/toolchain/toolchain-external/toolchain-external-linaro-arm/Config.in
index f538eb7eb3..f5bbbaaad8 100644
--- a/toolchain/toolchain-external/toolchain-external-linaro-arm/Config.in
+++ b/toolchain/toolchain-external/toolchain-external-linaro-arm/Config.in
@@ -1,11 +1,13 @@
 comment "Linaro toolchains available for Cortex-A + EABIhf"
 	depends on BR2_arm
+	depends on !BR2_ARCH_NEEDS_GCC_AT_LEAST_7
 	depends on !BR2_ARM_CPU_ARMV7A || !BR2_ARM_EABIHF
 	depends on !BR2_STATIC_LIBS
 
 config BR2_TOOLCHAIN_EXTERNAL_LINARO_ARM
 	bool "Linaro ARM 2017.02"
 	depends on BR2_arm
+	depends on !BR2_ARCH_NEEDS_GCC_AT_LEAST_7
 	depends on BR2_ARM_CPU_ARMV7A || BR2_ARM_CPU_ARMV8
 	depends on BR2_HOSTARCH = "x86_64" || BR2_HOSTARCH = "x86"
 	depends on BR2_ARM_EABIHF
diff --git a/toolchain/toolchain-external/toolchain-external-linaro-armeb/Config.in b/toolchain/toolchain-external/toolchain-external-linaro-armeb/Config.in
index 14c7481f81..64e97eeea7 100644
--- a/toolchain/toolchain-external/toolchain-external-linaro-armeb/Config.in
+++ b/toolchain/toolchain-external/toolchain-external-linaro-armeb/Config.in
@@ -1,11 +1,13 @@
 comment "Linaro toolchains available for Cortex-A + EABIhf"
 	depends on BR2_armeb
+	depends on !BR2_ARCH_NEEDS_GCC_AT_LEAST_7
 	depends on !BR2_ARM_CPU_ARMV7A || !BR2_ARM_EABIHF
 	depends on !BR2_STATIC_LIBS
 
 config BR2_TOOLCHAIN_EXTERNAL_LINARO_ARMEB
 	bool "Linaro armeb 2017.02"
 	depends on BR2_armeb
+	depends on !BR2_ARCH_NEEDS_GCC_AT_LEAST_7
 	depends on BR2_ARM_CPU_ARMV7A || BR2_ARM_CPU_ARMV8
 	depends on BR2_HOSTARCH = "x86_64" || BR2_HOSTARCH = "x86"
 	depends on BR2_ARM_EABIHF
diff --git a/toolchain/toolchain-external/toolchain-external-synopsys-arc/Config.in b/toolchain/toolchain-external/toolchain-external-synopsys-arc/Config.in
index f438ea765d..8e4344a83d 100644
--- a/toolchain/toolchain-external/toolchain-external-synopsys-arc/Config.in
+++ b/toolchain/toolchain-external/toolchain-external-synopsys-arc/Config.in
@@ -1,6 +1,7 @@
 config BR2_TOOLCHAIN_EXTERNAL_SYNOPSYS_ARC
 	bool "Synopsys ARC 2016.09 toolchain"
 	depends on BR2_arc
+	depends on !BR2_ARCH_NEEDS_GCC_AT_LEAST_7
 	depends on BR2_HOSTARCH = "x86_64"
 	select BR2_TOOLCHAIN_EXTERNAL_UCLIBC
 	select BR2_INSTALL_LIBSTDCPP
