Re: [Buildroot] [PATCH 1/4] package/collectd: fix build with grpc

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

Hello Michael,

On Tue,  9 Dec 2025 21:18:42 +0100
Michael Nosthoff via buildroot <buildroot@buildroot.org> wrote:

> abseil and hence protobuf/grpc now need C++17.
> 
> Signed-off-by: Michael Nosthoff <buildroot@heine.tech>

Could you provide more details on which commit introduced this
regression, and a defconfig that exhibits the build failure?

Indeed, I tried:

BR2_aarch64=y
BR2_TOOLCHAIN_EXTERNAL=y
BR2_TOOLCHAIN_EXTERNAL_BOOTLIN=y
BR2_TOOLCHAIN_EXTERNAL_BOOTLIN_AARCH64_GLIBC_STABLE=y
BR2_INIT_NONE=y
BR2_SYSTEM_BIN_SH_NONE=y
# BR2_PACKAGE_BUSYBOX is not set
BR2_PACKAGE_COLLECTD=y
# BR2_PACKAGE_COLLECTD_LOGFILE is not set
# BR2_PACKAGE_COLLECTD_SYSLOG is not set
BR2_PACKAGE_COLLECTD_GRPC=y
# BR2_TARGET_ROOTFS_TAR is not set

And it builds just fine. I believe the fix is correct, but the commit
log doesn't provide enough details, which are needed to understand
whether this fix needs to be backported to one of our stable branches.

Thanks a lot!

Thomas
-- 
Thomas Petazzoni, co-owner and CEO, Bootlin
Embedded Linux and Kernel engineering and training
https://bootlin.com
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