On Fri, Mar 20, 2026 at 12:27:29PM +0000, Ross Burton wrote:
> The last meaningful change to freedesktop.org pkgconfig was in 2019, but
> pkgconf is actively maintained.
> 
> Major distributions such as Fedora (and derivates), Debian (ditto), Arch
> Linux, Buildroot, and Alpine have all moved to pkgconf already.
> 
> There's a subtle behaviour change between pkgconfig and pkgconf, whereas
> pkgconfig appends the sysroot to PKG_CONFIG_SYSTEM_INCLUDE_PATH pkgconf
> does not, so we need to sysroot-prefix those variables.
> 
> Signed-off-by: Ross Burton <[email protected]>
> ---
>  meta/classes-recipe/pkgconfig.bbclass          | 6 +++---
>  meta/conf/distro/include/default-providers.inc | 6 +++---
>  2 files changed, 6 insertions(+), 6 deletions(-)

FWIW pkgconfig -> pkgconf change also break gst-plugins-imsdk build in
meta-qcom. Reverting this series makes the build succeed.

| FAILED: [code=1] 
gst-plugin-mlaconverter/CMakeFiles/gstqtimlaconverter.dir/audio-converter-engine.cc.o
| ccache 
/home/lumag/Projects/RPB/build-rpb/tmp-qcom-distro/work/armv8-2a-qcom-linux/gst-plugins-imsdk/0.1.0/recipe-sysroot-native/usr/bin/aarch64-qcom-linux/aarch64-qcom-linux-g++
 
--sysroot=/home/lumag/Projects/RPB/build-rpb/tmp-qcom-distro/work/armv8-2a-qcom-linux/gst-plugins-imsdk/0.1.0/recipe-sysroot
 -DHAVE_CONFIG_H -DHAVE_LINUX_DMA_BUF_H -Dgstqtimlaconverter_EXPORTS 
-I/home/lumag/Projects/RPB/build-rpb/tmp-qcom-distro/work/armv8-2a-qcom-linux/gst-plugins-imsdk/0.1.0/build/gst-plugin-mlaconverter
 
-I/home/lumag/Projects/RPB/build-rpb/tmp-qcom-distro/work/armv8-2a-qcom-linux/gst-plugins-imsdk/0.1.0/sources/gst-plugins-imsdk-0.1.0/gst-plugin-mlaconverter
 
-I/home/lumag/Projects/RPB/build-rpb/tmp-qcom-distro/work/armv8-2a-qcom-linux/gst-plugins-imsdk/0.1.0/recipe-sysroot/usr/include/gstreamer-1.0
 
-I/home/lumag/Projects/RPB/build-rpb/tmp-qcom-distro/work/armv8-2a-qcom-linux/gst-plugins-imsdk/0.1.0/recipe-sysroot/usr/include/glib-2.0
 
-I/home/lumag/Projects/RPB/build-rpb/tmp-qcom-distro/work/armv8-2a-qcom-linux/gst-plugins-imsdk/0.1.0/recipe-sysroot/usr/lib/glib-2.0/include
 -I/usr/include/gstreamer-1.0 
-I/home/lumag/Projects/RPB/build-rpb/tmp-qcom-distro/work/armv8-2a-qcom-linux/gst-plugins-imsdk/0.1.0/sources/gst-plugins-imsdk-0.1.0/gst-plugin-base
 
-I/home/lumag/Projects/RPB/build-rpb/tmp-qcom-distro/work/armv8-2a-qcom-linux/gst-plugins-imsdk/0.1.0/recipe-sysroot/usr/include/json-glib-1.0
 
-I/home/lumag/Projects/RPB/build-rpb/tmp-qcom-distro/work/armv8-2a-qcom-linux/gst-plugins-imsdk/0.1.0/recipe-sysroot/usr/include/libmount
 
-I/home/lumag/Projects/RPB/build-rpb/tmp-qcom-distro/work/armv8-2a-qcom-linux/gst-plugins-imsdk/0.1.0/recipe-sysroot/usr/include/blkid
 -march=armv8.2-a+crypto -mbranch-protection=standard -fstack-protector-strong  
-O2 -D_FORTIFY_SOURCE=2 -Wformat -Wformat-security -Werror=format-security  
--sysroot=/home/lumag/Projects/RPB/build-rpb/tmp-qcom-distro/work/armv8-2a-qcom-linux/gst-plugins-imsdk/0.1.0/recipe-sysroot
  -O2 -g -fcanon-prefix-map  
-ffile-prefix-map=/home/lumag/Projects/RPB/build-rpb/tmp-qcom-distro/work/armv8-2a-qcom-linux/gst-plugins-imsdk/0.1.0/sources/gst-plugins-imsdk-0.1.0=/usr/src/debug/gst-plugins-imsdk/0.1.0
  
-ffile-prefix-map=/home/lumag/Projects/RPB/build-rpb/tmp-qcom-distro/work/armv8-2a-qcom-linux/gst-plugins-imsdk/0.1.0/build=/usr/src/debug/gst-plugins-imsdk/0.1.0
  
-ffile-prefix-map=/home/lumag/Projects/RPB/build-rpb/tmp-qcom-distro/work/armv8-2a-qcom-linux/gst-plugins-imsdk/0.1.0/recipe-sysroot=
  
-ffile-prefix-map=/home/lumag/Projects/RPB/build-rpb/tmp-qcom-distro/work/armv8-2a-qcom-linux/gst-plugins-imsdk/0.1.0/recipe-sysroot-native=
  -pipe -fvisibility-inlines-hidden -Wall -Wextra -Werror -Wno-unused-parameter 
-std=gnu++17 -fPIC -MD -MT 
gst-plugin-mlaconverter/CMakeFiles/gstqtimlaconverter.dir/audio-converter-engine.cc.o
 -MF 
gst-plugin-mlaconverter/CMakeFiles/gstqtimlaconverter.dir/audio-converter-engine.cc.o.d
 -o 
gst-plugin-mlaconverter/CMakeFiles/gstqtimlaconverter.dir/audio-converter-engine.cc.o
 -c 
/home/lumag/Projects/RPB/build-rpb/tmp-qcom-distro/work/armv8-2a-qcom-linux/gst-plugins-imsdk/0.1.0/sources/gst-plugins-imsdk-0.1.0/gst-plugin-mlaconverter/audio-converter-engine.cc
| cc1plus: error: include location "/usr/include/gstreamer-1.0" is unsafe for 
cross-compilation [-Werror=poison-system-directories]
| cc1plus: all warnings being treated as errors
| ninja: build stopped: subcommand failed.
|
| WARNING: exit code 1 from a shell command.
ERROR: Task 
(/home/lumag/Projects/RPB/build-rpb/conf/../../layers/meta-qcom/recipes-multimedia/imsdk/gst-plugins-imsdk_0.1.0.bb:do_compile)
 failed with exit code '1'

-- 
With best wishes
Dmitry
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