Re: [Buildroot] [PATCH] package/mesa3d: fix build issue with gcc < 13

[Thomas Perale via buildroot <buildroot@buildroot.org>]

In reply of:
> Since upstream commit
> e42e3193137d1b21e84b499336e7a8887b8a8689 ("intel: add Jay"), a C23
> construct is used in the intel driver code:
> 
> enum jay_predication : uint8_t
> 
> This causes a build issue with GCC < 13:
> 
> In file included from ../src/intel/compiler/jay/jay_builder.h:12,
>                  from ../src/intel/compiler/jay/jay_from_nir.c:23:
> ../src/intel/compiler/jay/jay_ir.h:582:22: error: expected identifier or ‘(’ before ‘:’ token
>   582 | enum jay_predication : uint8_t {
>       |                      ^
> ../src/intel/compiler/jay/jay_ir.h:637:25: error: field ‘predication’ has incomplete type
>   637 |    enum jay_predication predication;
>       |                         ^~~~~~~~~~~
> 
> We fix that by integrating a patch already available in
> OpenEmbedded. It changes the code to not use the C23 construct.
> 
> This build issue was encountered on host-mesa3d while building an
> allyespackageconfig configuration inside our standard Docker
> container.
> 
> Buildroot commit
> c073c976179021c84e0c84f6f23e938b43783e75 ("package/{mesa3d,
> mesa3d-headers}: bump version to 26.1.0") that switched to mesa3d
> 26.1.0, which contains the problematic commit. Therefore 2026.05 is
> affected, but not earlier Buildroot versions.
> 
> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

Applied to 2026.05.x. Thanks

> ---
>  ...er-jay-jay_ir.h-do-not-used-typed-en.patch | 41 +++++++++++++++++++
>  1 file changed, 41 insertions(+)
>  create mode 100644 package/mesa3d/0005-src-intel-compiler-jay-jay_ir.h-do-not-used-typed-en.patch
> 
> diff --git a/package/mesa3d/0005-src-intel-compiler-jay-jay_ir.h-do-not-used-typed-en.patch b/package/mesa3d/0005-src-intel-compiler-jay-jay_ir.h-do-not-used-typed-en.patch
> new file mode 100644
> index 0000000000..af066287e2
> --- /dev/null
> +++ b/package/mesa3d/0005-src-intel-compiler-jay-jay_ir.h-do-not-used-typed-en.patch
> @@ -0,0 +1,41 @@
> +From 345ccf93e9d00dfd0f71085832a7df0170b74f74 Mon Sep 17 00:00:00 2001
> +From: Alexander Kanavin <alex@linutronix.de>
> +Date: Sun, 14 Jun 2026 17:42:19 +0200
> +Subject: [PATCH] src/intel/compiler/jay/jay_ir.h: do not used typed enum
> +
> +This is a C23 feature and not supported by gcc < 13, which
> +many host distros still have (e.g. Debian 12).
> +
> +Upstream-Status: Inappropriate [yocto host distro requirements]
> +Signed-off-by: Alexander Kanavin <alex@linutronix.de>
> +Upstream: N/A, code completely changed upstream
> +Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
> +---
> + src/intel/compiler/jay/jay_ir.h | 4 ++--
> + 1 file changed, 2 insertions(+), 2 deletions(-)
> +
> +diff --git a/src/intel/compiler/jay/jay_ir.h b/src/intel/compiler/jay/jay_ir.h
> +index 8307044ef8a..abf175a71bf 100644
> +--- a/src/intel/compiler/jay/jay_ir.h
> ++++ b/src/intel/compiler/jay/jay_ir.h
> +@@ -579,7 +579,7 @@ jay_type_is_any_float(enum jay_type t)
> +    return jay_base_type(t) == JAY_TYPE_F || jay_base_type(t) == JAY_TYPE_BF;
> + }
> + 
> +-enum jay_predication : uint8_t {
> ++enum jay_predication {
> +    /** No predication. */
> +    JAY_NOT_PREDICATED = 0,
> + 
> +@@ -634,7 +634,7 @@ typedef struct jay_inst {
> +    bool decrement_dep:1;
> +    unsigned padding  :12;
> + 
> +-   enum jay_predication predication;
> ++   uint8_t predication;
> +    enum jay_conditional_mod conditional_mod;
> + 
> +    jay_def cond_flag; /**< conditional flag */
> +-- 
> +2.55.0
> +
> -- 
> 2.55.0
> 
> _______________________________________________
> buildroot mailing list
> buildroot@buildroot.org
> https://lists.buildroot.org/mailman/listinfo/buildroot
_______________________________________________
buildroot mailing list
buildroot@buildroot.org
https://lists.buildroot.org/mailman/listinfo/buildroot