[Buildroot] [PATCH] package/gcc: disable gcc D front-end with gcc 12

[Buildroot] [PATCH] package/gcc: disable gcc D front-end with gcc 12

[Romain Naour]

"The D front-end is now itself written in D, in order to build GDC, you
will need a working GDC compiler (GCC version 9.1 or later)." [1]

So we have to check if a D compiler is available on the host.

Fixes:
http://autobuild.buildroot.org/results/36a/36aa22e458d53ab8687b3a79ffeb65b18e8ac6e7/host-gcc-final-12.1.0/build

[1] https://gcc.gnu.org/git/?p=gcc.git;a=commitdiff;h=5fee5ec362f7a243f459e6378fd49dfc89dc9fb5

http://lists.busybox.net/pipermail/buildroot/2022-August/648841.html

Signed-off-by: Romain Naour <romain.naour@gmail.com>
Cc: Eric Le Bihan <eric.le.bihan.dev@free.fr>
---
 package/gcc/Config.in.host | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/package/gcc/Config.in.host b/package/gcc/Config.in.host
index 746f4df434..147f0766fb 100644
--- a/package/gcc/Config.in.host
+++ b/package/gcc/Config.in.host
@@ -77,6 +77,10 @@ config BR2_GCC_SUPPORTS_DLANG
 	default y if BR2_riscv && !BR2_RISCV_64
 	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_9
 	depends on BR2_TOOLCHAIN_USES_GLIBC
+	# "The D front-end is now itself written in D, in order to build GDC, you
+	# will need a working GDC compiler (GCC version 9.1 or later)."
+	# https://gcc.gnu.org/git/?p=gcc.git;a=commitdiff;h=5fee5ec362f7a243f459e6378fd49dfc89dc9fb5
+	depends on !BR2_TOOLCHAIN_GCC_AT_LEAST_12
 
 config BR2_GCC_VERSION
 	string
-- 
2.37.1

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Re: [Buildroot] [PATCH] package/gcc: disable gcc D front-end with gcc 12

[Thomas Petazzoni via buildroot]

On Sun, 21 Aug 2022 17:27:49 +0200
Romain Naour <romain.naour@gmail.com> wrote:

> "The D front-end is now itself written in D, in order to build GDC, you
> will need a working GDC compiler (GCC version 9.1 or later)." [1]
> 
> So we have to check if a D compiler is available on the host.
> 
> Fixes:
> http://autobuild.buildroot.org/results/36a/36aa22e458d53ab8687b3a79ffeb65b18e8ac6e7/host-gcc-final-12.1.0/build
> 
> [1] https://gcc.gnu.org/git/?p=gcc.git;a=commitdiff;h=5fee5ec362f7a243f459e6378fd49dfc89dc9fb5
> 
> http://lists.busybox.net/pipermail/buildroot/2022-August/648841.html
> 
> Signed-off-by: Romain Naour <romain.naour@gmail.com>
> Cc: Eric Le Bihan <eric.le.bihan.dev@free.fr>
> ---
>  package/gcc/Config.in.host | 4 ++++
>  1 file changed, 4 insertions(+)

Applied to master, thanks. Unless someone steps up to fix the support
for the D language, it means that ultimately we would drop support for
it.

Thomas
-- 
Thomas Petazzoni, CTO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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