[Buildroot] [PATCH 1/1] Config.in: introduce BR2_HOST_GCC_AT_LEAST_{12..15}

[Buildroot] [PATCH 1/1] Config.in: introduce BR2_HOST_GCC_AT_LEAST_{12..15}

[Julien Olivain]

Fedora 42 is planned to be released on 2025-04-22 [1].
It is also planned to include the upcoming gcc 15 release.
Gcc 15 is changing the default C language from -std=gnu17
to -std=gnu23 [2].

This change is expected to possibly introduce build failures [3].
In order to be prepared to fix those, this commit introduces the
BR2_HOST_GCC_AT_LEAST_{12..15} symbols.

[1] https://fedorapeople.org/groups/schedule/f-42/f-42-key-tasks.html
[2] https://gcc.gnu.org/gcc-15/changes.html#c
[3] https://savannah.gnu.org/support/?111150

Signed-off-by: Julien Olivain <ju.o@free.fr>
---
 Config.in | 20 ++++++++++++++++++++
 Makefile  |  2 +-
 2 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/Config.in b/Config.in
index a543091d4f..d730f2034b 100644
--- a/Config.in
+++ b/Config.in
@@ -74,6 +74,26 @@ config BR2_HOST_GCC_AT_LEAST_11
 	default y if BR2_HOST_GCC_VERSION = "11"
 	select BR2_HOST_GCC_AT_LEAST_10
 
+config BR2_HOST_GCC_AT_LEAST_12
+	bool
+	default y if BR2_HOST_GCC_VERSION = "12"
+	select BR2_HOST_GCC_AT_LEAST_11
+
+config BR2_HOST_GCC_AT_LEAST_13
+	bool
+	default y if BR2_HOST_GCC_VERSION = "13"
+	select BR2_HOST_GCC_AT_LEAST_12
+
+config BR2_HOST_GCC_AT_LEAST_14
+	bool
+	default y if BR2_HOST_GCC_VERSION = "14"
+	select BR2_HOST_GCC_AT_LEAST_13
+
+config BR2_HOST_GCC_AT_LEAST_15
+	bool
+	default y if BR2_HOST_GCC_VERSION = "15"
+	select BR2_HOST_GCC_AT_LEAST_14
+
 # When adding new entries above, be sure to update
 # the HOSTCC_MAX_VERSION variable in the Makefile.
 
diff --git a/Makefile b/Makefile
index 5bf5abfe3b..411e1de515 100644
--- a/Makefile
+++ b/Makefile
@@ -353,7 +353,7 @@ export HOSTARCH := $(shell LC_ALL=C $(HOSTCC_NOCCACHE) -v 2>&1 | \
 
 # When adding a new host gcc version in Config.in,
 # update the HOSTCC_MAX_VERSION variable:
-HOSTCC_MAX_VERSION := 11
+HOSTCC_MAX_VERSION := 15
 
 HOSTCC_VERSION := $(shell V=$$($(HOSTCC_NOCCACHE) --version | \
 	sed -n -r 's/^.* ([0-9]*)\.([0-9]*)\.([0-9]*)[ ]*.*/\1 \2/p'); \
-- 
2.49.0

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Re: [Buildroot] [PATCH 1/1] Config.in: introduce BR2_HOST_GCC_AT_LEAST_{12..15}

[Thomas Petazzoni via buildroot]

On Thu, 20 Mar 2025 23:35:49 +0100
Julien Olivain <ju.o@free.fr> wrote:

> Fedora 42 is planned to be released on 2025-04-22 [1].
> It is also planned to include the upcoming gcc 15 release.
> Gcc 15 is changing the default C language from -std=gnu17
> to -std=gnu23 [2].
> 
> This change is expected to possibly introduce build failures [3].
> In order to be prepared to fix those, this commit introduces the
> BR2_HOST_GCC_AT_LEAST_{12..15} symbols.
> 
> [1] https://fedorapeople.org/groups/schedule/f-42/f-42-key-tasks.html
> [2] https://gcc.gnu.org/gcc-15/changes.html#c
> [3] https://savannah.gnu.org/support/?111150
> 
> Signed-off-by: Julien Olivain <ju.o@free.fr>
> ---
>  Config.in | 20 ++++++++++++++++++++
>  Makefile  |  2 +-
>  2 files changed, 21 insertions(+), 1 deletion(-)

Applied to master, thanks.

Thomas
-- 
Thomas Petazzoni, CTO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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Re: [Buildroot] [PATCH 1/1] Config.in: introduce BR2_HOST_GCC_AT_LEAST_{12..15}

[Arnout Vandecappelle via buildroot]

On 20/03/2025 23:35, Julien Olivain wrote:
> Fedora 42 is planned to be released on 2025-04-22 [1].
> It is also planned to include the upcoming gcc 15 release.
> Gcc 15 is changing the default C language from -std=gnu17
> to -std=gnu23 [2].
> 
> This change is expected to possibly introduce build failures [3].
> In order to be prepared to fix those, this commit introduces the
> BR2_HOST_GCC_AT_LEAST_{12..15} symbols.
> 
> [1] https://fedorapeople.org/groups/schedule/f-42/f-42-key-tasks.html
> [2] https://gcc.gnu.org/gcc-15/changes.html#c
> [3] https://savannah.gnu.org/support/?111150
> 
> Signed-off-by: Julien Olivain <ju.o@free.fr>

  Applied to 2025.02.x, thanks.

  Regards,
  Arnout

> ---
>   Config.in | 20 ++++++++++++++++++++
>   Makefile  |  2 +-
>   2 files changed, 21 insertions(+), 1 deletion(-)
> 
> diff --git a/Config.in b/Config.in
> index a543091d4f..d730f2034b 100644
> --- a/Config.in
> +++ b/Config.in
> @@ -74,6 +74,26 @@ config BR2_HOST_GCC_AT_LEAST_11
>   	default y if BR2_HOST_GCC_VERSION = "11"
>   	select BR2_HOST_GCC_AT_LEAST_10
>   
> +config BR2_HOST_GCC_AT_LEAST_12
> +	bool
> +	default y if BR2_HOST_GCC_VERSION = "12"
> +	select BR2_HOST_GCC_AT_LEAST_11
> +
> +config BR2_HOST_GCC_AT_LEAST_13
> +	bool
> +	default y if BR2_HOST_GCC_VERSION = "13"
> +	select BR2_HOST_GCC_AT_LEAST_12
> +
> +config BR2_HOST_GCC_AT_LEAST_14
> +	bool
> +	default y if BR2_HOST_GCC_VERSION = "14"
> +	select BR2_HOST_GCC_AT_LEAST_13
> +
> +config BR2_HOST_GCC_AT_LEAST_15
> +	bool
> +	default y if BR2_HOST_GCC_VERSION = "15"
> +	select BR2_HOST_GCC_AT_LEAST_14
> +
>   # When adding new entries above, be sure to update
>   # the HOSTCC_MAX_VERSION variable in the Makefile.
>   
> diff --git a/Makefile b/Makefile
> index 5bf5abfe3b..411e1de515 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -353,7 +353,7 @@ export HOSTARCH := $(shell LC_ALL=C $(HOSTCC_NOCCACHE) -v 2>&1 | \
>   
>   # When adding a new host gcc version in Config.in,
>   # update the HOSTCC_MAX_VERSION variable:
> -HOSTCC_MAX_VERSION := 11
> +HOSTCC_MAX_VERSION := 15
>   
>   HOSTCC_VERSION := $(shell V=$$($(HOSTCC_NOCCACHE) --version | \
>   	sed -n -r 's/^.* ([0-9]*)\.([0-9]*)\.([0-9]*)[ ]*.*/\1 \2/p'); \

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