configure:2010:1: error: type specifier missing, defaults to 'int' [-Werror,-Wimplicit-int] main(){return(0);} ^ /usr/bin/x86_64-pc-linux-gnu-ld x86_64-pc-linux-gnu-gcc: error: language ada not recognized x86_64-pc-linux-gnu-gcc: error: language ada not recognized clang-14: warning: optimization flag '-fkeep-inline-functions' is not supported [-Wignored-optimization-argument]