build/2_2/semfold.o: In function `levalueconv_214015':
semfold.c:(.text+0x1373): undefined reference to `lrint'
build/2_2/semfold.o: In function `getconstexpr_214002':
semfold.c:(.text+0x21ba): undefined reference to `lrint'
semfold.c:(.text+0x23ea): undefined reference to `lrint'
collect2: error: ld returned 1 exit status