Applying /builder/shared-workdir/build/sdk/feeds/packages/multimedia/gst1-libav/patches/001-gst-libav-Fix-build-failure-with-FFmpeg-9.0.patch using plaintext: 
patching file ext/libav/gstavviddec.c
patching file ext/libav/gstavvidenc.c
The Meson build system
Version: 1.11.2
Source dir: /builder/shared-workdir/build/sdk/build_dir/target-arm_cortex-a7_musl_eabi/gst-libav-1.26.4
Build dir: /builder/shared-workdir/build/sdk/build_dir/target-arm_cortex-a7_musl_eabi/gst-libav-1.26.4/openwrt-build
Build type: cross build
Project name: gst-libav
Project version: 1.26.4
C compiler for the host machine: arm-openwrt-linux-muslgnueabi-gcc (gcc 14.4.0 "arm-openwrt-linux-muslgnueabi-gcc (OpenWrt GCC 14.4.0 r36377-b6ba4e9142) 14.4.0")
C linker for the host machine: arm-openwrt-linux-muslgnueabi-gcc ld.bfd 2.46.1
C compiler for the build machine: /builder/shared-workdir/build/sdk/staging_dir/host/bin/gcc (gcc 10.2.1 "gcc (Debian 10.2.1-6) 10.2.1 20210110")
C linker for the build machine: /builder/shared-workdir/build/sdk/staging_dir/host/bin/gcc ld.bfd 2.35.2
Build machine cpu family: x86_64
Build machine cpu: x86_64
Host machine cpu family: arm
Host machine cpu: generic
Target machine cpu family: arm
Target machine cpu: generic
Found pkg-config: YES (/builder/shared-workdir/build/sdk/staging_dir/host/bin/pkg-config) 2.5.1
Found CMake: /builder/shared-workdir/build/sdk/staging_dir/host/bin/cmake (4.4.3)
Run-time dependency libavfilter found: NO  (tried pkg-config and cmake)
Looking for a fallback subproject for the dependency libavfilter
ERROR: Subproject FFmpeg is buildable: NO

../../../../build_dir/target-arm_cortex-a7_musl_eabi/gst-libav-1.26.4/meson.build:21:18: ERROR: Attempted to resolve subproject without subprojects directory present.

A full log can be found at /builder/shared-workdir/build/sdk/build_dir/target-arm_cortex-a7_musl_eabi/gst-libav-1.26.4/openwrt-build/meson-logs/meson-log.txt
NOTICE: You are using Python 3.9 which is EOL. Starting with v1.12.0, Meson will require Python 3.10 or newer
make[3]: *** [Makefile:60: /builder/shared-workdir/build/sdk/build_dir/target-arm_cortex-a7_musl_eabi/gst-libav-1.26.4/.configured_a17fb5ef857664f03cd0ce37cc5ea591] Error 1
time: package/feeds/packages/gst1-libav/compile#2.73#0.79#6.71