src/Makefile

# Makefile	Makefile for the systemV init suite.
#		Targets:   all      compiles everything
#		           install  installs the binaries (not the scripts)
#                          clean    cleans up object files
#			   clobber  really cleans up
#
# Version:	@(#)Makefile  2.85-13  23-Mar-2004  miquels@cistron.nl
#

ifndef KERNEL_NAME
KERNEL_NAME = $(shell uname -s)
endif

ifeq ($(CC),cc)
CC	= gcc
endif
CFLAGS	+= -Wall -Os -fomit-frame-pointer -D _GNU_SOURCE=1 -D _ALL_SOURCE=1
LDFLAGS	+= -s
STATIC	=

ifeq ($(KERNEL_NAME),Interix)
CFLAGS += -I /usr/local/include/bind
LIBBIND += -L /usr/local/lib/bind -l bind -l db
else ifeq ($(KERNEL_NAME),SunOS)
#SOCKET_LIBS += -l socket
LIBSOCKET = -l socket -l nsl
LIBRT = -l rt
ifeq ($(shell uname -r),5.10)
CFLAGS += -D NEED_STRSEP=1
endif
else ifeq ($(KERNEL_NAME),AIX)
else
LIBUTIL = -l util
endif

# For some known distributions we do not build all programs, otherwise we do.
BIN	=
SBIN	= init halt shutdown runlevel killall5
USRBIN	= last mesg

MAN1	= last.1 lastb.1 mesg.1
MAN5	= initscript.5 inittab.5
MAN8	= halt.8 init.8 killall5.8 pidof.8 poweroff.8 reboot.8 runlevel.8
MAN8	+= shutdown.8 telinit.8

ifeq ($(DISTRO),)
BIN	+= mountpoint
SBIN	+= sulogin bootlogd
USRBIN	+= utmpdump wall
MAN1	+= mountpoint.1 wall.1
MAN8	+= sulogin.8 bootlogd.8
endif

ifeq ($(DISTRO),Debian)
BIN	+= mountpoint
SBIN	+= sulogin bootlogd
MAN1	+= mountpoint.1
MAN8	+= sulogin.8 bootlogd.8
endif

ifeq ($(DISTRO),Owl)
USRBIN	+= wall
MAN1	+= wall.1
endif

BIN_OWNER	= root
BIN_GROUP	= root
BIN_COMBO	= $(BIN_OWNER):$(BIN_GROUP)
STRIP		= strip -s -R .comment
INSTALL_EXEC	= install -o $(BIN_OWNER) -g $(BIN_GROUP) -m 755
INSTALL_DATA	= install -o $(BIN_OWNER) -g $(BIN_GROUP) -m 644
MANDIR		= /usr/share/man

ifeq ($(WITH_SELINUX),yes)
  SELINUX_DEF=-DWITH_SELINUX
  INIT_SELIBS=-lsepol -lselinux
  SULOGIN_SELIBS=-lselinux	
else
  SELINUX_DEF=
  INIT_SELIBS=
  SULOGIN_SELIBS=
endif

all:		$(BIN) $(SBIN) $(USRBIN)

ifeq ($(shell echo $(KERNEL_NAME) | grep -Fo CYGWIN),CYGWIN)
sulogin:	crypt/libcrypt.a
init halt last utmpdump runlevel wall shutdown:	utmpx/libutmpx.a
CFLAGS += -I crypt -I utmpx
LIBCRYPT = -L crypt -l crypt
LIBUTMPX = -L utmpx -l utmpx
else
# Additional libs for GNU libc.
ifneq ($(wildcard /usr/lib/*/libcrypt.a),)
LIBCRYPT	= -lcrypt
endif
ifneq ($(wildcard /usr/lib/libcrypt.a),)
LIBCRYPT	= -lcrypt
endif
endif

init:		init.o init_utmpx.o
		$(CC) $(LDFLAGS) $(STATIC) init.o init_utmpx.o -o $@ $(INIT_SELIBS) $(LIBUTMPX)

halt:		halt.o ifdown.o hddown.o utmpx.o reboot.h
		$(CC) $(LDFLAGS) -o $@ halt.o ifdown.o hddown.o utmpx.o $(LIBSOCKET) $(LIBUTMPX)

last:		last.o oldutmp.h
		$(CC) $(LDFLAGS) -o $@ last.o $(LIBBIND) $(LIBSOCKET) $(LIBUTMPX)

mesg:		mesg.o
		$(CC) $(LDFLAGS) -o $@ mesg.o

mountpoint:	mountpoint.o
		$(CC) $(LDFLAGS) -o $@ mountpoint.o

utmpdump:	utmpdump.o
		$(CC) $(LDFLAGS) -o $@ utmpdump.o $(LIBUTMPX)

runlevel:	runlevel.o
		$(CC) $(LDFLAGS) -o $@ runlevel.o $(LIBUTMPX)

sulogin:	sulogin.o
		$(CC) $(LDFLAGS) $(STATIC) $(SELINUX_DEF) -o $@ $^ $(LIBCRYPT) $(SULOGIN_SELIBS)

wall:		dowall.o wall.o
		$(CC) $(LDFLAGS) -o $@ dowall.o wall.o $(LIBUTMPX)

shutdown:	dowall.o shutdown.o utmpx.o reboot.h
		$(CC) $(LDFLAGS) -o $@ dowall.o shutdown.o utmpx.o $(LIBRT) $(LIBUTMPX)

bootlogd:	bootlogd.o
		$(CC) $(LDFLAGS) -o $@ bootlogd.o $(LIBUTIL) $(LIBRT)

sulogin.o:	sulogin.c 
		$(CC) -c $(CFLAGS) $(SELINUX_DEF) sulogin.c

init.o:		init.c init.h set.h reboot.h initreq.h
		$(CC) -c $(CFLAGS) $(SELINUX_DEF)  init.c

utmpx.o:	utmpx.c init.h
		$(CC) -c $(CFLAGS) utmpx.c

init_utmpx.o:	utmpx.c init.h
		$(CC) -c $(CFLAGS) -D INIT_MAIN=1 utmpx.c -o init_utmpx.o

crypt/libcrypt.a:
	$(MAKE) -C crypt libcrypt.a

utmpx/libutmpx.a:
	$(MAKE) -C utmpx libutmpx.a

cleancrypt:
	$(MAKE) -C crypt clean

cleanutmpx:
	$(MAKE) -C utmpx clean

cleanobjs:
		rm -f *.o *.bak

clean:		cleanobjs cleancrypt cleanutmpx
		@echo Type \"make clobber\" to really clean up.

clobber:	cleanobjs cleancrypt cleanutmpx
		rm -f $(BIN) $(SBIN) $(USRBIN)

distclean:	clobber

install:
		for i in $(BIN); do \
			$(STRIP) $$i ; \
			$(INSTALL_EXEC) $$i $(ROOT)/bin/ ; \
		done
		for i in $(SBIN); do \
			$(STRIP) $$i ; \
			$(INSTALL_EXEC) $$i $(ROOT)/sbin/ ; \
		done
		for i in $(USRBIN); do \
			$(STRIP) $$i ; \
			$(INSTALL_EXEC) $$i $(ROOT)/usr/bin/ ; \
		done
		# $(INSTALL_EXEC) etc/initscript.sample $(ROOT)/etc/
		ln -sf halt $(ROOT)/sbin/reboot
		ln -sf halt $(ROOT)/sbin/poweroff
		ln -sf init $(ROOT)/sbin/telinit
		ln -sf /sbin/killall5 $(ROOT)/bin/pidof
		if [ ! -f $(ROOT)/usr/bin/lastb ]; then \
			ln -sf last $(ROOT)/usr/bin/lastb; \
		fi
		$(INSTALL_DATA) initreq.h $(ROOT)/usr/include/
		for i in $(MAN1); do \
			$(INSTALL_DATA) ../man/$$i $(ROOT)$(MANDIR)/man1/; \
		done
		for i in $(MAN5); do \
			$(INSTALL_DATA) ../man/$$i $(ROOT)$(MANDIR)/man5/; \
		done
		for i in $(MAN8); do \
			$(INSTALL_DATA) ../man/$$i $(ROOT)$(MANDIR)/man8/; \
		done
ifeq ($(ROOT),)
		#
		# This part is skipped on Debian systems, the
		# debian.preinst script takes care of it.
		@if [ ! -p /dev/initctl ]; then \
		 echo "Creating /dev/initctl"; \
		 rm -f /dev/initctl; \
		 mknod -m 600 /dev/initctl p; fi
endif