# makefile for example using semaphores for dining philosophers
# It has only been tested for Solaris
# since, at the time this was written, Linux did not support POSIX semaphores.
#
# the program or programs we want to build
EXCUTABLES=memshare nosem segments
# EXECUTABLES=nosem semp semm semmp semmpo semmno
CC=gcc
CFLAGS=-Wall -ansi -pedantic
# LDFLAGS=-lposix4 -lnsl

# If you just type "make", it will default to "make all".
default: $(EXECUTABLES)

segments: segments.c Makefile
	$(CC) $(CFLAGS) -o segments segments.c $(LDFLAGS)
memshare: memshare.c Makefile
	$(CC) $(CFLAGS) -o memshare memshare.c $(LDFLAGS)
nosem: philos.c Makefile
	gcc $(CFLAGS) -DUSE_MMAP -o nosem philos.c $(LDFLAGS)
semp: philos.c Makefile
	gcc $(CFLAGS) -DUSE_POSIX_SEMAPHORES -o $@ $< $(LDFLAGS)
semm: philos.c Makefile
	gcc $(CFLAGS) -DUSE_MMAP -o $@ $< $(LDFLAGS)
semmp: philos.c Makefile
	gcc $(CFLAGS) -DUSE_MMAP -DUSE_POSIX_SEMAPHORES -o $@ $< $(LDFLAGS)
semmpo: philos.c Makefile
	gcc $(CFLAGS) -DUSE_MMAP -DUSE_POSIX_SEMAPHORES -DUSE_ORDERED_LOCKING -o $@ $< $(LDFLAGS)
semmno: philos.c Makefile
	gcc $(CFLAGS) -DUSE_MMAP -DUSE_POSIX_SEMAPHORES -DUSE_ORDERED_LOCKING -DUSE_UNNAMED_SEMAPHORES -o $@ $< $(LDFLAGS)

# rule to clean up the directory
clean:
	rm -f *.o $(EXECUTABLES)
#