GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
CC = gcc
CFLAGS= -O2
all: makegp gprun conrun grrun
.c.o:
${CC} -c $(CFLAGS) $*.c
makegp: mg.o
${CC} $(CFLAGS) -o makegp mg.o
gprun: gpd.o gpp.o permfns.o
${CC} $(CFLAGS) -o gprun gpd.o gpp.o permfns.o
conrun: conpdcd.o conpdc1.o conpdc2.o
${CC} $(CFLAGS) -o conrun conpdcd.o conpdc1.o conpdc2.o
grrun: grd.o grp.o permfns.o
${CC} $(CFLAGS) -o grrun grd.o grp.o permfns.o