[Buildroot] [PATCH 0/2] External GCC12 toolchain support

[Buildroot] [PATCH 0/2] External GCC12 toolchain support

[Florian Fainelli]

This patch series allows us to use Linaro's GCC12 snapshot that can be
downloaded from here:

https://snapshots.linaro.org/gnu-toolchain/12.0-2021.10-1/aarch64-linux-gnu/

Florian Fainelli (2):
  toolchain/Config.in: add BR2_TOOLCHAIN_GCC_AT_LEAST_12 blind option
  toolchain/toolchain-external/toolchain-external-custom: add gcc 12
    version selection

 toolchain/Config.in                                   | 11 +++++++++--
 .../toolchain-external-custom/Config.in.options       |  4 ++++
 2 files changed, 13 insertions(+), 2 deletions(-)

-- 
2.25.1

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[Buildroot] [PATCH 1/2] toolchain/Config.in: add BR2_TOOLCHAIN_GCC_AT_LEAST_12 blind option

[Florian Fainelli]

In order to add gcc 12 support for internal and external toolchain
in follow-up commits, introduce BR2_TOOLCHAIN_GCC_AT_LEAST_12 symbol.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
 toolchain/Config.in | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/toolchain/Config.in b/toolchain/Config.in
index d2c81217c84a..b572a89f2f85 100644
--- a/toolchain/Config.in
+++ b/toolchain/Config.in
@@ -117,7 +117,8 @@ config BR2_TOOLCHAIN_HAS_GCC_BUG_43744
 	depends on !BR2_TOOLCHAIN_GCC_AT_LEAST_8 || \
 		BR2_TOOLCHAIN_GCC_AT_LEAST_9 || \
 		BR2_TOOLCHAIN_GCC_AT_LEAST_10 || \
-		BR2_TOOLCHAIN_GCC_AT_LEAST_11
+		BR2_TOOLCHAIN_GCC_AT_LEAST_11 || \
+		BR2_TOOLCHAIN_GCC_AT_LEAST_12
 
 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63261. This bug no
 # longer exists in gcc 8.x.
@@ -150,7 +151,8 @@ config BR2_TOOLCHAIN_HAS_GCC_BUG_68485
 config BR2_TOOLCHAIN_HAS_GCC_BUG_83143
 	bool
 	default y if BR2_sh
-	depends on !BR2_TOOLCHAIN_GCC_AT_LEAST_10 || BR2_TOOLCHAIN_GCC_AT_LEAST_11
+	depends on !BR2_TOOLCHAIN_GCC_AT_LEAST_10 || BR2_TOOLCHAIN_GCC_AT_LEAST_11 || \
+		   BR2_TOOLCHAIN_GCC_AT_LEAST_12
 
 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85180. This bug no
 # longer exists in gcc 8.x.
@@ -698,10 +700,15 @@ config BR2_TOOLCHAIN_GCC_AT_LEAST_11
 	bool
 	select BR2_TOOLCHAIN_GCC_AT_LEAST_10
 
+config BR2_TOOLCHAIN_GCC_AT_LEAST_12
+	bool
+	select BR2_TOOLCHAIN_GCC_AT_LEAST_11
+
 # 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 "12"	if BR2_TOOLCHAIN_GCC_AT_LEAST_12
 	default "11"	if BR2_TOOLCHAIN_GCC_AT_LEAST_11
 	default "10"	if BR2_TOOLCHAIN_GCC_AT_LEAST_10
 	default "9"	if BR2_TOOLCHAIN_GCC_AT_LEAST_9
-- 
2.25.1

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[Buildroot] [PATCH 2/2] toolchain/toolchain-external/toolchain-external-custom: add gcc 12 version selection

[Florian Fainelli]

This patch allows to use an external toolchain based on gcc 12.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
 .../toolchain-external-custom/Config.in.options               | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/toolchain/toolchain-external/toolchain-external-custom/Config.in.options b/toolchain/toolchain-external/toolchain-external-custom/Config.in.options
index 9346fa3feb75..683204e56ebd 100644
--- a/toolchain/toolchain-external/toolchain-external-custom/Config.in.options
+++ b/toolchain/toolchain-external/toolchain-external-custom/Config.in.options
@@ -31,6 +31,10 @@ choice
 	  Set to the gcc version that is used by your external
 	  toolchain.
 
+config BR2_TOOLCHAIN_EXTERNAL_GCC_12
+	bool "12.x"
+	select BR2_TOOLCHAIN_GCC_AT_LEAST_12
+
 config BR2_TOOLCHAIN_EXTERNAL_GCC_11
 	bool "11.x"
 	select BR2_TOOLCHAIN_GCC_AT_LEAST_11
-- 
2.25.1

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Re: [Buildroot] [PATCH 0/2] External GCC12 toolchain support

[Florian Fainelli]

Hi all,

On 3/22/2022 3:21 PM, Florian Fainelli wrote:
> This patch series allows us to use Linaro's GCC12 snapshot that can be
> downloaded from here:
> 
> https://snapshots.linaro.org/gnu-toolchain/12.0-2021.10-1/aarch64-linux-gnu/

Should I be resending this?

> 
> Florian Fainelli (2):
>    toolchain/Config.in: add BR2_TOOLCHAIN_GCC_AT_LEAST_12 blind option
>    toolchain/toolchain-external/toolchain-external-custom: add gcc 12
>      version selection
> 
>   toolchain/Config.in                                   | 11 +++++++++--
>   .../toolchain-external-custom/Config.in.options       |  4 ++++
>   2 files changed, 13 insertions(+), 2 deletions(-)
> 

-- 
Florian
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