[Buildroot] [PATCH v2 04/15] toolchain: add gcc 9 entry

[Romain Naour]

In order to add gcc 9 support for internal and external toolchain in
follow-up commits, introduce BR2_TOOLCHAIN_GCC_AT_LEAST_9 symbol.

Signed-off-by: Romain Naour <romain.naour at gmail.com>
---
 toolchain/Config.in | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/toolchain/Config.in b/toolchain/Config.in
index 8c5a4fb88e..467d6bd84f 100644
--- a/toolchain/Config.in
+++ b/toolchain/Config.in
@@ -500,10 +500,15 @@ config BR2_TOOLCHAIN_GCC_AT_LEAST_8
 	bool
 	select BR2_TOOLCHAIN_GCC_AT_LEAST_7
 
+config BR2_TOOLCHAIN_GCC_AT_LEAST_9
+	bool
+	select BR2_TOOLCHAIN_GCC_AT_LEAST_8
+
 # This order guarantees that the highest version is set, as kconfig
 # stops affecting a value on the first matching default.
 config BR2_TOOLCHAIN_GCC_AT_LEAST
 	string
+	default "9"	if BR2_TOOLCHAIN_GCC_AT_LEAST_9
 	default "8"	if BR2_TOOLCHAIN_GCC_AT_LEAST_8
 	default "7"	if BR2_TOOLCHAIN_GCC_AT_LEAST_7
 	default "6"	if BR2_TOOLCHAIN_GCC_AT_LEAST_6
-- 
2.14.5