Termination of McPAT compilation

i am trying to run McPAT on ubuntu20.04 following the instructions from:

After downloading the file and running:

~/Downloads/McPAT/mcpat$ make

I got below error and the compilation is terminated

make[1]: Entering directory '/home/ahmed/Downloads/McPAT/mcpat'
g++ -m32 -Wno-unknown-pragmas -O3 -msse2 -mfpmath=sse -DNTHREADS=4 -Icacti -c cacti/Ucache.cc -o obj_opt/Ucache.o
In file included from /usr/include/time.h:25, from cacti/Ucache.cc:33:
/usr/include/features.h:461:12: fatal error: sys/cdefs.h: No such file or directory 461 | # include <sys/cdefs.h> | ^~~~~~~~~~~~~
compilation terminated.
make[1]: *** [mcpat.mk:77: obj_opt/Ucache.o] Error 1
make[1]: Leaving directory '/home/ahmed/Downloads/McPAT/mcpat'
make: *** [makefile:11: opt] Error 2

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