make -C ..  CC=cc EXE=Schoenemann-94A6ED19
make[1]: Entering directory '/tmp/tmpoplbpd7l/Schoenemann/Schoenemann-tmp'
cd Schoenemann && clang++ -Wall -O3 -std=c++20 schoenemann.cpp search.cpp timeman.cpp helper.cpp tt.cpp main.cpp moveorder.cpp see.cpp tune.cpp tuneconsts.cpp datagen.cpp -o ../src/Schoenemann-94A6ED19
/bin/sh: clang++: command not found
make[1]: *** [Makefile:13: all] Error 127
make[1]: Leaving directory '/tmp/tmpoplbpd7l/Schoenemann/Schoenemann-tmp'
make: *** [Makefile:2: all] Error 2