>>> mpv 0.35.1 Extracting
gzip -d -c /home/buildroot/instance-0/dl/mpv/mpv-0.35.1.tar.gz | /home/buildroot/instance-0/output-1/host/bin/tar --strip-components=1 -C /home/buildroot/instance-0/output-1/build/mpv-0.35.1   -xf -
>>> mpv 0.35.1 Patching

Applying 0001-fix-powerpc64-altivec.patch using patch: 
patching file waftools/detections/compiler.py
Hunk #1 succeeded at 51 (offset 8 lines).
rm -f -fr /home/buildroot/instance-0/output-1/build/mpv-0.35.1/waf /home/buildroot/instance-0/output-1/build/mpv-0.35.1/waflib
>>> mpv 0.35.1 Configuring
cd /home/buildroot/instance-0/output-1/build/mpv-0.35.1/ && GIT_DIR=. PATH="/home/buildroot/instance-0/output-1/host/bin:/home/buildroot/instance-0/output-1/host/sbin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" AR="/home/buildroot/instance-0/output-1/host/bin/s390x-buildroot-linux-gnu-gcc-ar" AS="/home/buildroot/instance-0/output-1/host/bin/s390x-buildroot-linux-gnu-as" LD="/home/buildroot/instance-0/output-1/host/bin/s390x-buildroot-linux-gnu-ld" NM="/home/buildroot/instance-0/output-1/host/bin/s390x-buildroot-linux-gnu-gcc-nm" CC="/home/buildroot/instance-0/output-1/host/bin/s390x-buildroot-linux-gnu-gcc" GCC="/home/buildroot/instance-0/output-1/host/bin/s390x-buildroot-linux-gnu-gcc" CPP="/home/buildroot/instance-0/output-1/host/bin/s390x-buildroot-linux-gnu-cpp" CXX="/home/buildroot/instance-0/output-1/host/bin/s390x-buildroot-linux-gnu-g++" FC="/home/buildroot/instance-0/output-1/host/bin/s390x-buildroot-linux-gnu-gfortran" F77="/home/buildroot/instance-0/output-1/host/bin/s390x-buildroot-linux-gnu-gfortran" RANLIB="/home/buildroot/instance-0/output-1/host/bin/s390x-buildroot-linux-gnu-gcc-ranlib" READELF="/home/buildroot/instance-0/output-1/host/bin/s390x-buildroot-linux-gnu-readelf" STRIP="/home/buildroot/instance-0/output-1/host/bin/s390x-buildroot-linux-gnu-strip" OBJCOPY="/home/buildroot/instance-0/output-1/host/bin/s390x-buildroot-linux-gnu-objcopy" OBJDUMP="/home/buildroot/instance-0/output-1/host/bin/s390x-buildroot-linux-gnu-objdump" AR_FOR_BUILD="/usr/bin/ar" AS_FOR_BUILD="/usr/bin/as" CC_FOR_BUILD="/usr/bin/gcc" GCC_FOR_BUILD="/usr/bin/gcc" CXX_FOR_BUILD="/usr/bin/g++" LD_FOR_BUILD="/usr/bin/ld" CPPFLAGS_FOR_BUILD="-I/home/buildroot/instance-0/output-1/host/include" CFLAGS_FOR_BUILD="-O2 -I/home/buildroot/instance-0/output-1/host/include" CXXFLAGS_FOR_BUILD="-O2 -I/home/buildroot/instance-0/output-1/host/include" LDFLAGS_FOR_BUILD="-L/home/buildroot/instance-0/output-1/host/lib -Wl,-rpath,/home/buildroot/instance-0/output-1/host/lib" FCFLAGS_FOR_BUILD="" DEFAULT_ASSEMBLER="/home/buildroot/instance-0/output-1/host/bin/s390x-buildroot-linux-gnu-as" DEFAULT_LINKER="/home/buildroot/instance-0/output-1/host/bin/s390x-buildroot-linux-gnu-ld" CPPFLAGS="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64" CFLAGS="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2 -g2 -D_FORTIFY_SOURCE=1" CXXFLAGS="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2 -g2 -D_FORTIFY_SOURCE=1" LDFLAGS="" FCFLAGS=" -O2 -g2" FFLAGS=" -O2 -g2" PKG_CONFIG="/home/buildroot/instance-0/output-1/host/bin/pkg-config" STAGING_DIR="/home/buildroot/instance-0/output-1/host/s390x-buildroot-linux-gnu/sysroot" INTLTOOL_PERL=/usr/bin/perl LDFLAGS=" -latomic" /home/buildroot/instance-0/output-1/host/bin/python3 /home/buildroot/instance-0/output-1/host/bin/waf configure --prefix=/usr --libdir=/usr/lib --prefix=/usr --disable-android --disable-caca --disable-cocoa --disable-coreaudio --disable-cuda-hwaccel --disable-opensles --disable-rubberband --disable-uchardet --disable-vapoursynth --enable-libmpv-shared --disable-libmpv-static --disable-alsa --disable-gbm --disable-egl-drm --disable-jack --enable-jpeg --disable-lcms2 --enable-libarchive --disable-libbluray --disable-cdda --disable-dvdnav --enable-drm --disable-vdpau --disable-lua --disable-gl --disable-pulse --disable-sdl2 --disable-rpi --disable-vaapi --disable-vaapi-drm --disable-wayland --enable-x11 --disable-xv 
/home/buildroot/instance-0/output-1/host/bin/waf:101: DeprecationWarning: Python 3.14 will, by default, filter extracted tar archives and reject files or modify their metadata. Use the filter argument to control this behavior.
  for x in t: t.extract(x)
/home/buildroot/instance-0/output-1/build/mpv-0.35.1/wscript:1022: SyntaxWarning: invalid escape sequence '\$'
  while re.match('\$\{([^}]+)\}', ctx.env[varname]):
/home/buildroot/instance-0/output-1/build/mpv-0.35.1/waftools/inflector.py:9: SyntaxWarning: invalid escape sequence '\d'
  re.sub('([a-z\d])([A-Z])', '\\1_\\2', \
Traceback (most recent call last):
  File "/home/buildroot/instance-0/output-1/host/bin/.waf3-2.1.1-073e1606e6ae84d01a398086bd4053ad/waflib/Scripting.py", line 122, in waf_entry_point
    run_commands()
  File "/home/buildroot/instance-0/output-1/host/bin/.waf3-2.1.1-073e1606e6ae84d01a398086bd4053ad/waflib/Scripting.py", line 181, in run_commands
    parse_options()
  File "/home/buildroot/instance-0/output-1/host/bin/.waf3-2.1.1-073e1606e6ae84d01a398086bd4053ad/waflib/Scripting.py", line 161, in parse_options
    ctx.execute()
  File "/home/buildroot/instance-0/output-1/host/bin/.waf3-2.1.1-073e1606e6ae84d01a398086bd4053ad/waflib/Options.py", line 203, in execute
    super(OptionsContext,self).execute()
  File "/home/buildroot/instance-0/output-1/host/bin/.waf3-2.1.1-073e1606e6ae84d01a398086bd4053ad/waflib/Context.py", line 92, in execute
    self.recurse([os.path.dirname(g_module.root_path)])
  File "/home/buildroot/instance-0/output-1/host/bin/.waf3-2.1.1-073e1606e6ae84d01a398086bd4053ad/waflib/Context.py", line 133, in recurse
    user_function(self)
  File "/home/buildroot/instance-0/output-1/build/mpv-0.35.1/wscript", line 941, in options
    group.add_option('--{0}'.format(ident),
  File "/home/buildroot/instance-0/output-1/host/lib/python3.12/argparse.py", line 1482, in add_argument
    raise ValueError('%r is not callable' % (type_func,))
ValueError: 'string' is not callable
make: *** [package/pkg-generic.mk:279: /home/buildroot/instance-0/output-1/build/mpv-0.35.1/.stamp_configured] Error 2
make: Leaving directory '/home/buildroot/instance-0/buildroot'