makefiles - compile all c files at once

LIBS  = -lkernel32 -luser32 -lgdi32 -lopengl32
CFLAGS = -Wall

OBJ = 64bitmath.o
      monotone.o
      node_sort.o
      planesweep.o
      triangulate.o
      prim_combine.o
      welding.o
      test.o
      main.o

%.o : %.c
    gcc -c $(CFLAGS) $< -o $@

test: $(OBJ)
    gcc -o $@ $^ $(CFLAGS) $(LIBS)

LIBS  = -lkernel32 -luser32 -lgdi32 -lopengl32
CFLAGS = -Wall

# Should be equivalent to your list of C files, if you don't build selectively
SRC=$(wildcard *.c)

test: $(SRC)
    gcc -o $@ $^ $(CFLAGS) $(LIBS)