[deliverable/binutils-gdb.git] / gdb / configure.in

configdirs="doc"
srcname="GDB"
srctrigger=main.c
target_dependent=true

# per-host:

# map host info into gdb names.

case "${host_cpu}" in

m68k)
	case "${host_vendor}" in
	apollo*)
		case "${host_os}" in
		sysv*)	gdb_host=apollo68v ;;
		esac
		;;
	att)	gdb_host=3b1 ;;
	altos)
		case "${host_os}" in
		gas)	gdb_host=altosgas ;;
		*)	gdb_host=altos ;;	
		esac
		;;

	cbm)
		case ${host_os} in
		amigados)	gdb_host=amigados ;;
		sysv4*)		gdb_host=amix ;;
		esac
		;;

	hp)
		case ${host_os} in
		hpux)	gdb_host=hp300hpux ;;
		bsd)	gdb_host=hp300bsd ;;
		esac
		;;

	isi)	gdb_host=isi ;;
	sony)	gdb_host=news ;;
	sun)
		case "${host_os}" in
		sunos3)	gdb_host=sun3os3 ;;
		sunos4)	gdb_host=sun3os4 ;;
		*)	gdb_host=sun3 ;;
		esac
		;;
	esac
	;;

m68000)
	case "${host_vendor}" in
	sun)
		case "${host_os}" in
		sunos3)	gdb_host=sun2os3 ;;
		sunos4)	gdb_host=sun2os4 ;;
		*)	gdb_host=sun2 ;;
		esac
	esac
	;;

sparc)
	case "${host_os}" in
	sunos3)		gdb_host=sun4os3 ;;
	sunos4)		gdb_host=sun4os4 ;;
	solaris2*)	gdb_host=sun4sol2 ;;
	*)		gdb_host=sun4 ;;
	esac
	;;

m68030)
	case "${host_vendor}" in
	sony)	gdb_host=news1000 ;;
	esac
	;;

mips)
	case "${host_vendor}" in
	sony)	gdb_host=bigmips ;;
	dec)	gdb_host=decstation ;;
	little)	gdb_host=littlemips ;;
	sgi)
		case "${host_os}" in
		irix3)	gdb_host=irix3 ;;
		irix4)	gdb_host=irix4 ;;
		esac
		;;
	esac
	;;

i860)
	gdb_host=stratus
	;;

i386)
	case "${host_vendor}" in
	sun)	gdb_host=sun386 ;;
	sco)	gdb_host=i386sco ;;
	sequent)	gdb_host=symmetry ;;
	ncr)	gdb_host=ncr3000 ;;
	*)
		case "${host_os}" in
		go32)   gdb_host=go32 ;;
		sysv32)	gdb_host=i386v32 ;;
		sysv4*)	gdb_host=i386v4 ;;
		sysv*)	gdb_host=i386v ;;
		scosysv*) gdb_host=i386sco ;;
		mach)	gdb_host=i386mach ;;
		esac
		;;
	esac
	;;

c1 | c2)	gdb_host=convex ;;

ns32k)
	case "${host_vendor}" in
	umax)	gdb_host=umax ;;
	esac
	;;

romp)
	gdb_host=rtbsd
	;;

rs6000)
	gdb_host=rs6000
	;;

a29k)
	gdb_host=ultra3
	;;

m88k)
	case "${host_vendor}" in
	motorola)
		gdb_host=delta88 ;;
	*)	
		gdb_host=m88k ;;
	esac
	;;

vax)
	case "${host_os}" in
	bsd*)
		gdb_host=vaxbsd ;;
	ultrix*)
		gdb_host=vaxult ;;
	esac
	;;

arm | merlin | none | np1 | pn | pyramid | tahoe)
	gdb_host=${host_cpu}
	;;

hppa)
	case "${host_vendor}" in
	hp)
		case "${host_os}" in
		hpux)	gdb_host=hppahpux ;;
		bsd)	gdb_host=hppabsd ;;
		esac
		;;
	esac
	;;

### unhandled hosts
#altosgas
#i386v-g
#i386v32-g

esac


if [ ! -f ${srcdir}/config/${gdb_host}.mh ]; then
	echo '***' "Gdb does not support host ${host}" 1>&2
	exit 1
fi

#  We really shouldn't depend on there being a space after XM_FILE= ...
hostfile=`awk '$1 == "XM_FILE=" { print $2 }' <${srcdir}/config/${gdb_host}.mh`

# per-target:

case "${target_cpu}" in

m68k)
	case "${target_vendor}" in
	att)	gdb_target=3b1 ;;
	altos)	gdb_target=altos ;;
	cbm)
		case ${target_os} in
		amigados)	gdb_host=amigados ;;
		sysv4*)		gdb_target=amix ;;
		esac
		;;
	hp)
		case "${target_os}" in
		bsd)	gdb_target=hp300bsd ;;
		hpux)	gdb_target=hp300hpux ;;
		esac
		;;
	sun)
		case "${target_os}" in
		sunos3)	gdb_target=sun3os3 ;;
		sunos4)	gdb_target=sun3os4 ;;
		*)	gdb_target=sun3 ;;
		esac
		;;
	wrs)	gdb_target=vxworks68 ;;
	isi)	gdb_target=isi ;;
	sony)	gdb_target=news ;;
	esac
	case "${target_os}" in
	os68k)	gdb_target=os68k ;;
	esac
	;;

m68000)
	case "${target_vendor}" in
	sun)
		case "${target_os}" in
		sunos3)	gdb_target=sun2os3 ;;
		sunos4)	gdb_target=sun2os4 ;;
		*)	gdb_target=sun2 ;;
		esac
		;;
	wrs)	gdb_target=vxworks68 ;;
	esac
	;;

m680[124]0)
	case "${target_vendor}" in
	wrs)	gdb_target=vxworks68 ;;
	esac
	;;

m68030)
	case "${target_vendor}" in
	sony)	gdb_target=news1000 ;;
	wrs)	gdb_target=vxworks68 ;;
	esac
	;;

m68kmote)
	case "${target_vendor}" in
	tandem)	gdb_target=st2000 ;;
	esac
	;;

none | arm | tahoe | vax | np1 | pn | np1 | pn | pyramid | merlin)
	gdb_target=${target_cpu} ;;

m88k)
	case "${target_vendor}" in
	motorola) gdb_target=delta88 ;;
	*) gdb_target=dgux ;;
	esac
	;;
a29k)
	case "${target_os}" in
	none|aout|coff)	gdb_target=a29k ;;
	sym1)	gdb_target=ultra3 ;;
	kern)	gdb_target=a29k-kern ;;
	ebmon)  gdb_target=a29k;;
	udi)	gdb_target=a29k-udi;;
	esac
	;;
	
mips)
	case "${target_vendor}" in
	sony)	gdb_target=bigmips ;;
	big)	gdb_target=bigmips ;;
	dec)	gdb_target=decstation ;;
	little)	gdb_target=littlemips ;;
	sgi)	gdb_target=irix3 ;;
	esac
	;;

c1 | c2)	gdb_target=convex ;;

sparc)
	case "${target_vendor}" in
	sun)
		case "${target_os}" in
		sunos3)		gdb_target=sun4os3 ;;
		sunos4)		gdb_target=sun4os4 ;;
		solaris2*)	gdb_target=sun4sol2 ;;
		*)		gdb_target=sun4 ;;
		esac
		;;
	esac
	;;

h8300)
	gdb_target=h8300hms 
	;;

i860)	gdb_target=stratus
	;;

i386)
	case "${target_vendor}" in
	sco)	gdb_target=i386sco ;;
	sun)	gdb_target=sun386 ;;
	sequent)	gdb_target=symmetry ;;
	ncr)	gdb_target=ncr3000 ;;
	*)
		case "${target_os}" in
		sysv32)	gdb_target=i386v32 ;;
		scosysv3*) gdb_target=i386v32 ;;
		sysv4*)	gdb_target=i386v4 ;;
		sysv*)	gdb_target=i386v ;;
		mach)	gdb_target=i386mach ;;
		coff)	gdb_target=i386v ;;
		aout)	gdb_target=i386aout ;;
		esac
	esac
	;;

i960)
	case "${target_vendor}" in
	bout | wrs)	gdb_target=vxworks960 ;;
	coff | intel)	gdb_target=nindy960 ;;
	esac
	;;

ns32k)
	case "${target_vendor}" in
	utek)	gdb_target=umax ;;
	esac
	;;

rs6000)
	gdb_target=rs6000
	;;

hppa)
	case "${target_vendor}" in
	hp)
		case "${target_os}" in
		hpux)	gdb_target=hppahpux ;;
		bsd)	gdb_target=hppabsd ;;
		esac
		;;
	esac
	;;

### unhandled targets
# altosgas
# i386v-g
# i386v32-g

esac

if [ ! -f ${srcdir}/config/${gdb_target}.mt ]; then
	echo '***' "Gdb does not support target ${target}" 1>&2
	exit 1
fi

if [ -z "${removing}" ] ; then
	cat ${srcdir}/config/${gdb_host}.mh ${srcdir}/config/${gdb_target}.mt | awk '$1 == "#msg" {
		print substr($0,6)}'
fi

#  We really shouldn't depend on there being a space after TM_FILE= ...
targetfile=`awk '$1 == "TM_FILE=" { print $2 }' <${srcdir}/config/${gdb_target}.mt`

host_makefile_frag=config/${gdb_host}.mh
target_makefile_frag=config/${gdb_target}.mt

# If hostfile (XM_FILE) and/or targetfile (TM_FILE) is not set in the
# ?config/* file, we don't make the corresponding links.  But we have
# to remove the xm.h files and tm.h files anyway, e.g. when switching
# from "configure host" to "configure none".
files=
links=
rm -f xm.h
if [ "${hostfile}" != "" ]; then
	files="${files} ${hostfile}"
	links="${links} xm.h"
fi
rm -f tm.h
if [ "${targetfile}" != "" ]; then
	files="${files} ${targetfile}"
	links="${links} tm.h"
fi

# post-target:

case ${srcdir} in
  .)
    ;;
  *)
    grep -s "source ${srcdir}/.gdbinit" .gdbinit 2>/dev/null || \
      echo "source ${srcdir}/.gdbinit" >> .gdbinit
esac

cat ${srcdir}/alldeps.mak ${srcdir}/depend >>Makefile
Commit	Line	Data
50d2bb5b	1	configdirs="doc"
912e0732 RP	2	srcname="GDB"
912e0732 RP	3	srctrigger=main.c
bc028766 RP	4	target_dependent=true
bc028766 RP	5
0df06ca0 RP	6	# per-host:
0df06ca0 RP	7
6c815bbe RP	8	# map host info into gdb names.
	9
	10	case "${host_cpu}" in
	11
	12	m68k)
	13	case "${host_vendor}" in
b159ce3f SEF	14	apollo*)
	15	case "${host_os}" in
	16	sysv*) gdb_host=apollo68v ;;
	17	esac
	18	;;
6c815bbe RP	19	att) gdb_host=3b1 ;;
	20	altos)
	21	case "${host_os}" in
	22	gas) gdb_host=altosgas ;;
	23	*) gdb_host=altos ;;
	24	esac
	25	;;
afe4ca15 JG	26
	27	cbm)
	28	case ${host_os} in
	29	amigados) gdb_host=amigados ;;
ee1ad69c	30	sysv4*) gdb_host=amix ;;
afe4ca15 JG	31	esac
	32	;;
	33
6c815bbe RP	34	hp)
	35	case ${host_os} in
	36	hpux) gdb_host=hp300hpux ;;
	37	bsd) gdb_host=hp300bsd ;;
	38	esac
	39	;;
	40
	41	isi) gdb_host=isi ;;
	42	sony) gdb_host=news ;;
	43	sun)
	44	case "${host_os}" in
	45	sunos3) gdb_host=sun3os3 ;;
	46	sunos4) gdb_host=sun3os4 ;;
	47	*) gdb_host=sun3 ;;
	48	esac
	49	;;
	50	esac
	51	;;
	52
	53	m68000)
	54	case "${host_vendor}" in
	55	sun)
	56	case "${host_os}" in
	57	sunos3) gdb_host=sun2os3 ;;
	58	sunos4) gdb_host=sun2os4 ;;
	59	*) gdb_host=sun2 ;;
	60	esac
	61	esac
	62	;;
	63
	64	sparc)
	65	case "${host_os}" in
f9e3b3cc JG	66	sunos3) gdb_host=sun4os3 ;;
f9e3b3cc JG	67	sunos4) gdb_host=sun4os4 ;;
bf2e5f6b	68	solaris2*) gdb_host=sun4sol2 ;;
f9e3b3cc	69	*) gdb_host=sun4 ;;
6c815bbe RP	70	esac
	71	;;
	72
	73	m68030)
	74	case "${host_vendor}" in
	75	sony) gdb_host=news1000 ;;
	76	esac
	77	;;
	78
	79	mips)
	80	case "${host_vendor}" in
	81	sony) gdb_host=bigmips ;;
5d2cfefe	82	dec) gdb_host=decstation ;;
6c815bbe	83	little) gdb_host=littlemips ;;
407a8389 SG	84	sgi)
407a8389 SG	85	case "${host_os}" in
88f36033	86	irix3) gdb_host=irix3 ;;
407a8389 SG	87	irix4) gdb_host=irix4 ;;
	88	esac
	89	;;
6c815bbe RP	90	esac
	91	;;
	92
be9a2362 FF	93	i860)
	94	gdb_host=stratus
	95	;;
	96
6c815bbe RP	97	i386)
	98	case "${host_vendor}" in
	99	sun) gdb_host=sun386 ;;
	100	sco) gdb_host=i386sco ;;
	101	sequent) gdb_host=symmetry ;;
4db8e515	102	ncr) gdb_host=ncr3000 ;;
6c815bbe RP	103	*)
6c815bbe RP	104	case "${host_os}" in
ae0ea72e	105	go32) gdb_host=go32 ;;
6c815bbe	106	sysv32) gdb_host=i386v32 ;;
ee1ad69c FF	107	sysv4*) gdb_host=i386v4 ;;
ee1ad69c FF	108	sysv*) gdb_host=i386v ;;
92732c27	109	scosysv*) gdb_host=i386sco ;;
6617b94e	110	mach) gdb_host=i386mach ;;
6c815bbe RP	111	esac
	112	;;
	113	esac
	114	;;
	115
	116	c1 \| c2) gdb_host=convex ;;
	117
	118	ns32k)
	119	case "${host_vendor}" in
	120	umax) gdb_host=umax ;;
	121	esac
	122	;;
	123
0476df73	124	romp)
473f3318 JG	125	gdb_host=rtbsd
	126	;;
	127
b90c4f33 JG	128	rs6000)
	129	gdb_host=rs6000
	130	;;
	131
473f3318 JG	132	a29k)
	133	gdb_host=ultra3
	134	;;
	135
8c7ae4a2 SC	136	m88k)
	137	case "${host_vendor}" in
	138	motorola)
	139	gdb_host=delta88 ;;
	140	*)
	141	gdb_host=m88k ;;
	142	esac
	143	;;
	144
9e8bf29a SG	145	vax)
	146	case "${host_os}" in
	147	bsd*)
	148	gdb_host=vaxbsd ;;
	149	ultrix*)
	150	gdb_host=vaxult ;;
	151	esac
	152	;;
	153
	154	arm \| merlin \| none \| np1 \| pn \| pyramid \| tahoe)
473f3318 JG	155	gdb_host=${host_cpu}
473f3318 JG	156	;;
6c815bbe	157
7da1e27d SG	158	hppa)
	159	case "${host_vendor}" in
	160	hp)
	161	case "${host_os}" in
	162	hpux) gdb_host=hppahpux ;;
	163	bsd) gdb_host=hppabsd ;;
	164	esac
	165	;;
	166	esac
	167	;;
	168
6c815bbe RP	169	### unhandled hosts
	170	#altosgas
	171	#i386v-g
	172	#i386v32-g
	173
	174	esac
	175
8c7ae4a2	176
fe7ca711	177	if [ ! -f ${srcdir}/config/${gdb_host}.mh ]; then
6c815bbe	178	echo '***' "Gdb does not support host ${host}" 1>&2
912e0732 RP	179	exit 1
	180	fi
	181
bdf3621b	182	# We really shouldn't depend on there being a space after XM_FILE= ...
fe7ca711	183	hostfile=`awk '$1 == "XM_FILE=" { print $2 }' <${srcdir}/config/${gdb_host}.mh`
912e0732	184
0df06ca0	185	# per-target:
912e0732	186
6c815bbe RP	187	case "${target_cpu}" in
	188
	189	m68k)
	190	case "${target_vendor}" in
	191	att) gdb_target=3b1 ;;
	192	altos) gdb_target=altos ;;
afe4ca15 JG	193	cbm)
	194	case ${target_os} in
	195	amigados) gdb_host=amigados ;;
ee1ad69c	196	sysv4*) gdb_target=amix ;;
afe4ca15 JG	197	esac
afe4ca15 JG	198	;;
6c815bbe RP	199	hp)
	200	case "${target_os}" in
	201	bsd) gdb_target=hp300bsd ;;
	202	hpux) gdb_target=hp300hpux ;;
	203	esac
	204	;;
	205	sun)
	206	case "${target_os}" in
	207	sunos3) gdb_target=sun3os3 ;;
	208	sunos4) gdb_target=sun3os4 ;;
	209	*) gdb_target=sun3 ;;
	210	esac
	211	;;
	212	wrs) gdb_target=vxworks68 ;;
	213	isi) gdb_target=isi ;;
	214	sony) gdb_target=news ;;
	215	esac
b159ce3f SEF	216	case "${target_os}" in
	217	os68k) gdb_target=os68k ;;
	218	esac
6c815bbe RP	219	;;
	220
	221	m68000)
	222	case "${target_vendor}" in
	223	sun)
	224	case "${target_os}" in
	225	sunos3) gdb_target=sun2os3 ;;
	226	sunos4) gdb_target=sun2os4 ;;
	227	*) gdb_target=sun2 ;;
	228	esac
4feb00be MT	229	;;
	230	wrs) gdb_target=vxworks68 ;;
	231	esac
	232	;;
	233
	234	m680[124]0)
	235	case "${target_vendor}" in
	236	wrs) gdb_target=vxworks68 ;;
6c815bbe RP	237	esac
	238	;;
	239
	240	m68030)
	241	case "${target_vendor}" in
	242	sony) gdb_target=news1000 ;;
4feb00be	243	wrs) gdb_target=vxworks68 ;;
6c815bbe RP	244	esac
	245	;;
	246
88cc9a36 SG	247	m68kmote)
	248	case "${target_vendor}" in
	249	tandem) gdb_target=st2000 ;;
	250	esac
	251	;;
	252
8c7ae4a2	253	none \| arm \| tahoe \| vax \| np1 \| pn \| np1 \| pn \| pyramid \| merlin)
6c815bbe	254	gdb_target=${target_cpu} ;;
6c815bbe	255
8c7ae4a2 SC	256	m88k)
	257	case "${target_vendor}" in
	258	motorola) gdb_target=delta88 ;;
	259	*) gdb_target=dgux ;;
	260	esac
	261	;;
473f3318 JG	262	a29k)
473f3318 JG	263	case "${target_os}" in
f74ff50f	264	none\|aout\|coff) gdb_target=a29k ;;
473f3318 JG	265	sym1) gdb_target=ultra3 ;;
473f3318 JG	266	kern) gdb_target=a29k-kern ;;
44e4e473	267	ebmon) gdb_target=a29k;;
0857b46a	268	udi) gdb_target=a29k-udi;;
473f3318 JG	269	esac
	270	;;
	271
6c815bbe RP	272	mips)
	273	case "${target_vendor}" in
	274	sony) gdb_target=bigmips ;;
069bc454	275	big) gdb_target=bigmips ;;
5d2cfefe	276	dec) gdb_target=decstation ;;
6c815bbe	277	little) gdb_target=littlemips ;;
625453dc	278	sgi) gdb_target=irix3 ;;
6c815bbe RP	279	esac
	280	;;
	281
	282	c1 \| c2) gdb_target=convex ;;
	283
6c815bbe RP	284	sparc)
	285	case "${target_vendor}" in
	286	sun)
	287	case "${target_os}" in
f9e3b3cc JG	288	sunos3) gdb_target=sun4os3 ;;
f9e3b3cc JG	289	sunos4) gdb_target=sun4os4 ;;
bf2e5f6b	290	solaris2*) gdb_target=sun4sol2 ;;
f9e3b3cc	291	*) gdb_target=sun4 ;;
6c815bbe RP	292	esac
	293	;;
	294	esac
	295	;;
	296
ce7730d6	297	h8300)
8174b2af	298	gdb_target=h8300hms
ce7730d6	299	;;
6c815bbe	300
be9a2362 FF	301	i860) gdb_target=stratus
	302	;;
	303
6c815bbe RP	304	i386)
6c815bbe RP	305	case "${target_vendor}" in
69e87de2 RP	306	sco) gdb_target=i386sco ;;
69e87de2 RP	307	sun) gdb_target=sun386 ;;
6c815bbe	308	sequent) gdb_target=symmetry ;;
4db8e515	309	ncr) gdb_target=ncr3000 ;;
6c815bbe RP	310	*)
6c815bbe RP	311	case "${target_os}" in
6c815bbe	312	sysv32) gdb_target=i386v32 ;;
92732c27	313	scosysv3*) gdb_target=i386v32 ;;
ee1ad69c FF	314	sysv4*) gdb_target=i386v4 ;;
ee1ad69c FF	315	sysv*) gdb_target=i386v ;;
6617b94e	316	mach) gdb_target=i386mach ;;
2b61280a JG	317	coff) gdb_target=i386v ;;
2b61280a JG	318	aout) gdb_target=i386aout ;;
6c815bbe RP	319	esac
	320	esac
	321	;;
	322
	323	i960)
	324	case "${target_vendor}" in
69e87de2 RP	325	bout \| wrs) gdb_target=vxworks960 ;;
69e87de2 RP	326	coff \| intel) gdb_target=nindy960 ;;
6c815bbe RP	327	esac
	328	;;
	329
	330	ns32k)
	331	case "${target_vendor}" in
	332	utek) gdb_target=umax ;;
	333	esac
	334	;;
	335
b90c4f33 JG	336	rs6000)
	337	gdb_target=rs6000
	338	;;
	339
7da1e27d SG	340	hppa)
	341	case "${target_vendor}" in
	342	hp)
	343	case "${target_os}" in
	344	hpux) gdb_target=hppahpux ;;
	345	bsd) gdb_target=hppabsd ;;
	346	esac
	347	;;
	348	esac
	349	;;
	350
6c815bbe RP	351	### unhandled targets
	352	# altosgas
	353	# i386v-g
	354	# i386v32-g
	355
	356	esac
	357
fe7ca711	358	if [ ! -f ${srcdir}/config/${gdb_target}.mt ]; then
6c815bbe	359	echo '***' "Gdb does not support target ${target}" 1>&2
912e0732 RP	360	exit 1
	361	fi
	362
	363	if [ -z "${removing}" ] ; then
fe7ca711	364	cat ${srcdir}/config/${gdb_host}.mh ${srcdir}/config/${gdb_target}.mt \| awk '$1 == "#msg" {
912e0732 RP	365	print substr($0,6)}'
	366	fi
	367
bdf3621b	368	# We really shouldn't depend on there being a space after TM_FILE= ...
fe7ca711	369	targetfile=`awk '$1 == "TM_FILE=" { print $2 }' <${srcdir}/config/${gdb_target}.mt`
912e0732	370
fe7ca711 SC	371	host_makefile_frag=config/${gdb_host}.mh
fe7ca711 SC	372	target_makefile_frag=config/${gdb_target}.mt
912e0732	373
bdf3621b	374	# If hostfile (XM_FILE) and/or targetfile (TM_FILE) is not set in the
dc0c3f64 JG	375	# ?config/* file, we don't make the corresponding links. But we have
	376	# to remove the xm.h files and tm.h files anyway, e.g. when switching
	377	# from "configure host" to "configure none".
bdf3621b JG	378	files=
bdf3621b JG	379	links=
dc0c3f64	380	rm -f xm.h
bdf3621b JG	381	if [ "${hostfile}" != "" ]; then
	382	files="${files} ${hostfile}"
	383	links="${links} xm.h"
	384	fi
dc0c3f64	385	rm -f tm.h
bdf3621b JG	386	if [ "${targetfile}" != "" ]; then
	387	files="${files} ${targetfile}"
	388	links="${links} tm.h"
	389	fi
	390
	391	# post-target:
912e0732	392
bdf3621b JG	393	case ${srcdir} in
	394	.)
	395	;;
	396	*)
	397	grep -s "source ${srcdir}/.gdbinit" .gdbinit 2>/dev/null \|\| \
	398	echo "source ${srcdir}/.gdbinit" >> .gdbinit
	399	esac
	400
dc0c3f64	401	cat ${srcdir}/alldeps.mak ${srcdir}/depend >>Makefile