[87/101] Compiling C++ object src/_image.cpython-312-x86_64-linux-gnu.so.p/_image_wrapper.cpp.o  In file included from ../../src/_image_wrapper.cpp:4:  ../../src/_image_resample.h: In instantiation of ‘struct is_grayscale<agg::rgba64, void>’:  ../../src/_image_resample.h:509:11:   required from ‘struct type_mapping<agg::rgba64>’  ../../src/_image_resample.h:708:11:   required from ‘void resample(const void*, int, int, void*, int, int, resample_params_t&) [with color_type = agg::rgba64]’  ../../src/_image_wrapper.cpp:190:17:   required from here  ../../src/_image_resample.h:503:58: warning: left operand of comma operator has no effect [-Wunused-value]    503 | template<typename T> struct is_grayscale<T, decltype(T::r, void())> : std::false_type {};        |                                                         ~^~~~~~~~  ../../src/_image_resample.h:503:58: warning: left operand of comma operator has no effect [-Wunused-value]  ../../src/_image_resample.h: In instantiation of ‘struct is_grayscale<agg::rgba32, void>’:  ../../src/_image_resample.h:509:11:   required from ‘struct type_mapping<agg::rgba32>’  ../../src/_image_resample.h:708:11:   required from ‘void resample(const void*, int, int, void*, int, int, resample_params_t&) [with color_type = agg::rgba32]’  ../../src/_image_wrapper.cpp:190:17:   required from here  ../../src/_image_resample.h:503:58: warning: left operand of comma operator has no effect [-Wunused-value]  ../../src/_image_resample.h:503:58: warning: left operand of comma operator has no effect [-Wunused-value]  ../../src/_image_resample.h: In instantiation of ‘struct is_grayscale<agg::rgba16, void>’:  ../../src/_image_resample.h:509:11:   required from ‘struct type_mapping<agg::rgba16>’  ../../src/_image_resample.h:708:11:   required from ‘void resample(const void*, int, int, void*, int, int, resample_params_t&) [with color_type = agg::rgba16]’  ../../src/_image_wrapper.cpp:190:17:   required from here  ../../src/_image_resample.h:503:58: warning: left operand of comma operator has no effect [-Wunused-value]  ../../src/_image_resample.h:503:58: warning: left operand of comma operator has no effect [-Wunused-value]  ../../src/_image_resample.h: In instantiation of ‘struct is_grayscale<agg::rgba8T<agg::linear>, void>’:  ../../src/_image_resample.h:509:11:   required from ‘struct type_mapping<agg::rgba8T<agg::linear> >’  ../../src/_image_resample.h:708:11:   required from ‘void resample(const void*, int, int, void*, int, int, resample_params_t&) [with color_type = agg::rgba8T<agg::linear>]’  ../../src/_image_wrapper.cpp:190:17:   required from here  ../../src/_image_resample.h:503:58: warning: left operand of comma operator has no effect [-Wunused-value]  ../../src/_image_resample.h:503:58: warning: left operand of comma operator has no effect [-Wunused-value]