>>> rygel 0.40.2 Extracting
xzcat /home/buildroot/autobuild/instance-0/dl/rygel/rygel-0.40.2.tar.xz | tar --strip-components=1 -C /home/buildroot/autobuild/instance-0/output-1/build/rygel-0.40.2   -xf -
>>> rygel 0.40.2 Patching

Applying 0001-build-Add-man_pages-build-options.patch using patch: 
patching file doc/man/meson.build
patching file doc/meson.build
patching file meson_options.txt
Hunk #1 succeeded at 1 with fuzz 2.

Applying 0002-meson.build-fix-g_ir_compiler-calls.patch using patch: 
patching file src/librygel-core/meson.build
patching file src/librygel-renderer-gst/meson.build
patching file src/librygel-renderer/meson.build
patching file src/librygel-server/meson.build
>>> rygel 0.40.2 Configuring
rm -rf /home/buildroot/autobuild/instance-0/output-1/build/rygel-0.40.2//build
mkdir -p /home/buildroot/autobuild/instance-0/output-1/build/rygel-0.40.2//build
sed -e "/^\[binaries\]$/s:$::" -e "/^\[properties\]$/s:$::"         -e "s%@TARGET_CC@%/home/buildroot/autobuild/instance-0/output-1/host/bin/powerpc64-buildroot-linux-gnu-gcc%g" -e "s%@TARGET_CXX@%/bin/false%g" -e "s%@TARGET_AR@%/home/buildroot/autobuild/instance-0/output-1/host/bin/powerpc64-buildroot-linux-gnu-gcc-ar%g" -e "s%@TARGET_FC@%/home/buildroot/autobuild/instance-0/output-1/host/bin/powerpc64-buildroot-linux-gnu-gfortran%g" -e "s%@TARGET_STRIP@%/bin/true%g" -e "s%@TARGET_ARCH@%ppc64%g" -e "s%@TARGET_CPU@%%g" -e "s%@TARGET_ENDIAN@%big%g" -e "s%@TARGET_FCFLAGS@%%g" -e "s%@TARGET_CFLAGS@%'-D_LARGEFILE_SOURCE', '-D_LARGEFILE64_SOURCE', '-D_FILE_OFFSET_BITS=64', '-Ofast', '-g0', '-D_FORTIFY_SOURCE=2'%g" -e "s%@TARGET_LDFLAGS@%%g" -e "s%@TARGET_CXXFLAGS@%'-D_LARGEFILE_SOURCE', '-D_LARGEFILE64_SOURCE', '-D_FILE_OFFSET_BITS=64', '-Ofast', '-g0', '-D_FORTIFY_SOURCE=2'%g" -e "s%@BR2_CMAKE@%/home/buildroot/autobuild/instance-0/output-1/host/bin/cmake%g" -e "s%@PKGCONF_HOST_BINARY@%/home/buildroot/autobuild/instance-0/output-1/host/bin/pkgconf%g" -e "s%@HOST_DIR@%/home/buildroot/autobuild/instance-0/output-1/host%g" -e "s%@STAGING_DIR@%/home/buildroot/autobuild/instance-0/output-1/host/powerpc64-buildroot-linux-gnu/sysroot%g" -e "s%@STATIC@%false%g" /home/buildroot/autobuild/instance-0/buildroot/support/misc/cross-compilation.conf.in > /home/buildroot/autobuild/instance-0/output-1/build/rygel-0.40.2//build/cross-compilation.conf
PATH="/home/buildroot/autobuild/instance-0/output-1/host/bin:/home/buildroot/autobuild/instance-0/output-1/host/sbin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin" CC_FOR_BUILD="/home/buildroot/autobuild/instance-0/output-1/host/bin/ccache /usr/bin/gcc" CXX_FOR_BUILD="/home/buildroot/autobuild/instance-0/output-1/host/bin/ccache /usr/bin/g++" LIBS= PYTHONNOUSERSITE=y /home/buildroot/autobuild/instance-0/output-1/host/bin/meson setup --prefix=/usr --libdir=lib --default-library=shared --buildtype=debug --cross-file=/home/buildroot/autobuild/instance-0/output-1/build/rygel-0.40.2//build/cross-compilation.conf -Db_pie=false -Db_staticpic=true -Dstrip=false -Dbuild.pkg_config_path=/home/buildroot/autobuild/instance-0/output-1/host/lib/pkgconfig -Dbuild.cmake_prefix_path=/home/buildroot/autobuild/instance-0/output-1/host/lib/cmake -Dapi-docs=false -Dexamples=false -Dintrospection=enabled -Dman_pages=false -Dtests=false -Dengines=simple -Dgstreamer=disabled -Dgtk=disabled -Dplugins="external,lms,mpris,ruih" /home/buildroot/autobuild/instance-0/output-1/build/rygel-0.40.2/ /home/buildroot/autobuild/instance-0/output-1/build/rygel-0.40.2//build
The Meson build system
Version: 1.1.1
Source dir: /home/buildroot/autobuild/instance-0/output-1/build/rygel-0.40.2
Build dir: /home/buildroot/autobuild/instance-0/output-1/build/rygel-0.40.2/build
Build type: cross build
Project name: rygel
Project version: 0.40.2
C compiler for the host machine: /home/buildroot/autobuild/instance-0/output-1/host/bin/powerpc64-buildroot-linux-gnu-gcc (gcc 13.2.0 "powerpc64-buildroot-linux-gnu-gcc.br_real (Buildroot 2023.11-610-gcd2dcaa6c6) 13.2.0")
C linker for the host machine: /home/buildroot/autobuild/instance-0/output-1/host/bin/powerpc64-buildroot-linux-gnu-gcc ld.bfd 2.39
Vala compiler for the host machine: valac (valac 0.56.14)
C compiler for the build machine: /home/buildroot/autobuild/instance-0/output-1/host/bin/ccache /usr/bin/gcc (gcc 12.3.1 "gcc (GCC) 12.3.1 20230508 (Red Hat 12.3.1-1)")
C linker for the build machine: /home/buildroot/autobuild/instance-0/output-1/host/bin/ccache /usr/bin/gcc ld.bfd 2.38-27
Vala compiler for the build machine: valac (valac 0.56.14)
Build machine cpu family: x86_64
Build machine cpu: x86_64
Host machine cpu family: ppc64
Host machine cpu: 
Target machine cpu family: ppc64
Target machine cpu: 
Program build-aux/meson/install-gtkdoc.py found: YES (/home/buildroot/autobuild/instance-0/output-1/host/bin/python3 /home/buildroot/autobuild/instance-0/output-1/build/rygel-0.40.2/build-aux/meson/install-gtkdoc.py)
Program valadoc found: NO
Found pkg-config: /home/buildroot/autobuild/instance-0/output-1/host/bin/pkgconf (1.6.3)
Found CMake: /home/buildroot/autobuild/instance-0/output-1/host/bin/cmake (3.28.1)
Run-time dependency gtk-doc found: NO (tried pkgconfig and cmake)
Run-time dependency gupnp-1.2 found: NO (tried pkgconfig and cmake)

../output-1/build/rygel-0.40.2/meson.build:79:8: ERROR: Dependency "gupnp-1.2" not found, tried pkgconfig and cmake

A full log can be found at /home/buildroot/autobuild/instance-0/output-1/build/rygel-0.40.2/build/meson-logs/meson-log.txt
make: *** [package/pkg-generic.mk:273: /home/buildroot/autobuild/instance-0/output-1/build/rygel-0.40.2/.stamp_configured] Error 1
make: Leaving directory '/home/buildroot/autobuild/instance-0/buildroot'