Makefile:62: warning: ignoring prerequisites on suffix rule definition g++ -MM -march=rv64gc -mabi=lp64d -O2 -pipe -fexceptions -Wp,-D_FORTIFY_SOURCE=2 -Wformat -Werror=format-security -fstack-clash-protection -O3 -ffast-math -funroll-loops -Wall -fPIC -DPIC Amp.cc AutoFilter.cc CabIII.cc CabIV.cc Chorus.cc Click.cc Compress.cc Eq.cc Fractals.cc interface.cc Noisegate.cc Pan.cc Phaser.cc Reverb.cc Saturate.cc Scape.cc Sin.cc ToneStack.cc White.cc dsp/polynomials.cc > depend Makefile:62: warning: ignoring prerequisites on suffix rule definition rm -f Amp.o AutoFilter.o CabIII.o CabIV.o Chorus.o Click.o Compress.o Eq.o Fractals.o interface.o Noisegate.o Pan.o Phaser.o Reverb.o Saturate.o Scape.o Sin.o ToneStack.o White.o dsp/polynomials.o caps.so *.s depend Makefile:62: warning: ignoring prerequisites on suffix rule definition g++ -MM -march=rv64gc -mabi=lp64d -O2 -pipe -fexceptions -Wp,-D_FORTIFY_SOURCE=2 -Wformat -Werror=format-security -fstack-clash-protection -O3 -ffast-math -funroll-loops -Wall -fPIC -DPIC -msse -mfpmath=sse -msse3 Amp.cc AutoFilter.cc CabIII.cc CabIV.cc Chorus.cc Click.cc Compress.cc Eq.cc Fractals.cc interface.cc Noisegate.cc Pan.cc Phaser.cc Reverb.cc Saturate.cc Scape.cc Sin.cc ToneStack.cc White.cc dsp/polynomials.cc > depend g++: error: unrecognized command-line option ‘-msse’ g++: error: unrecognized command-line option ‘-mfpmath=sse’ g++: error: unrecognized command-line option ‘-msse3’ make: *** No rule to make target 'depend', needed by 'all'. Stop. ==> ERROR: A failure occurred in build().  Aborting...