xref: /freebsd/share/mk/sys.mk (revision cded07a8783dedbb0634ebde78764f935f26467d) 
1#	from: @(#)sys.mk	8.2 (Berkeley) 3/21/94
2# $FreeBSD$
3
4unix		?=	We run FreeBSD, not UNIX.
5.FreeBSD	?=	true
6
7.if !defined(%POSIX)
8#
9# MACHINE_CPUARCH defines a collection of MACHINE_ARCH.  Machines with
10# the same MACHINE_ARCH can run each other's binaries, so it necessarily
11# has word size and endian swizzled in.  However, support files for
12# these machines often are shared amongst all combinations of size
13# and/or endian.  This is called MACHINE_CPU in NetBSD, but that's used
14# for something different in FreeBSD.
15#
16MACHINE_CPUARCH=${MACHINE_ARCH:C/mipse[lb]/mips/:C/armeb/arm/:C/powerpc64/powerpc/}
17.endif
18
19# If the special target .POSIX appears (without prerequisites or
20# commands) before the first noncomment line in the makefile, make shall
21# process the makefile as specified by the Posix 1003.2 specification.
22# make(1) sets the special macro %POSIX in this case (to the actual
23# value "1003.2", for what it's worth).
24#
25# The rules below use this macro to distinguish between Posix-compliant
26# and default behaviour.
27
28.if defined(%POSIX)
29.SUFFIXES:	.o .c .y .l .a .sh .f
30.else
31.SUFFIXES:	.out .a .ln .o .c .cc .cpp .cxx .C .m .F .f .e .r .y .l .S .asm .s .cl .p .h .sh
32.endif
33
34AR		?=	ar
35.if defined(%POSIX)
36ARFLAGS		?=	-rv
37.else
38ARFLAGS		?=	rl
39.endif
40RANLIB		?=	ranlib
41
42AS		?=	as
43AFLAGS		?=
44
45.if defined(%POSIX)
46CC		?=	c89
47CFLAGS		?=	-O
48.else
49CC		?=	cc
50.if ${MACHINE_CPUARCH} == "arm" || ${MACHINE_CPUARCH} == "mips"
51CFLAGS		?=	-O -pipe
52.else
53CFLAGS		?=	-O2 -pipe
54.endif
55.if defined(NO_STRICT_ALIASING)
56CFLAGS		+=	-fno-strict-aliasing
57.endif
58.endif
59PO_CFLAGS	?=	${CFLAGS}
60
61# Turn CTF conversion off by default for now. This default could be
62# changed later if DTrace becomes popular.
63.if !defined(WITH_CTF)
64NO_CTF		=	1
65.endif
66
67# C Type Format data is required for DTrace
68CTFFLAGS	?=	-L VERSION
69
70CTFCONVERT	?=	ctfconvert
71CTFMERGE	?=	ctfmerge
72DTRACE		?=	dtrace
73.if defined(CFLAGS) && (${CFLAGS:M-g} != "")
74CTFFLAGS	+=	-g
75.else
76# XXX: What to do here? Is removing the CFLAGS part completely ok here?
77# For now comment it out to not compile with -g unconditionally.
78#CFLAGS		+=	-g
79.endif
80
81CXX		?=	c++
82CXXFLAGS	?=	${CFLAGS:N-std=*:N-Wnested-externs:N-W*-prototypes:N-Wno-pointer-sign:N-Wold-style-definition}
83PO_CXXFLAGS	?=	${CXXFLAGS}
84
85CPP		?=	cpp
86
87.if empty(.MAKEFLAGS:M-s)
88ECHO		?=	echo
89ECHODIR		?=	echo
90.else
91ECHO		?=	true
92.if ${.MAKEFLAGS:M-s} == "-s"
93ECHODIR		?=	echo
94.else
95ECHODIR		?=	true
96.endif
97.endif
98
99.if !empty(.MAKEFLAGS:M-n) && ${.MAKEFLAGS:M-n} == "-n"
100_+_		?=
101.else
102_+_		?=	+
103.endif
104
105.if defined(%POSIX)
106FC		?=	fort77
107FFLAGS		?=	-O 1
108.else
109FC		?=	f77
110FFLAGS		?=	-O
111.endif
112EFLAGS		?=
113
114INSTALL		?=	install
115
116LEX		?=	lex
117LFLAGS		?=
118
119LD		?=	ld
120LDFLAGS		?=
121
122LINT		?=	lint
123LINTFLAGS	?=	-cghapbx
124LINTKERNFLAGS	?=	${LINTFLAGS}
125LINTOBJFLAGS	?=	-cghapbxu -i
126LINTOBJKERNFLAGS?=	${LINTOBJFLAGS}
127LINTLIBFLAGS	?=	-cghapbxu -C ${LIB}
128
129MAKE		?=	make
130
131OBJC		?=	cc
132OBJCFLAGS	?=	${OBJCINCLUDES} ${CFLAGS} -Wno-import
133
134PC		?=	pc
135PFLAGS		?=
136
137RC		?=	f77
138RFLAGS		?=
139
140SHELL		?=	sh
141
142YACC		?=	yacc
143.if defined(%POSIX)
144YFLAGS		?=
145.else
146YFLAGS		?=	-d
147.endif
148
149.if defined(%POSIX)
150
151# Posix 1003.2 mandated rules
152#
153# Quoted directly from the Posix 1003.2 draft, only the macros
154# $@, $< and $* have been replaced by ${.TARGET}, ${.IMPSRC}, and
155# ${.PREFIX}, resp.
156
157# SINGLE SUFFIX RULES
158.c:
159	${CC} ${CFLAGS} ${LDFLAGS} -o ${.TARGET} ${.IMPSRC}
160	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || \
161		(${ECHO} ${CTFCONVERT} ${CTFFLAGS} ${.TARGET} && \
162		${CTFCONVERT} ${CTFFLAGS} ${.TARGET})
163
164.f:
165	${FC} ${FFLAGS} ${LDFLAGS} -o ${.TARGET} ${.IMPSRC}
166	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || \
167		(${ECHO} ${CTFCONVERT} ${CTFFLAGS} ${.TARGET} && \
168		${CTFCONVERT} ${CTFFLAGS} ${.TARGET})
169
170.sh:
171	cp -f ${.IMPSRC} ${.TARGET}
172	chmod a+x ${.TARGET}
173
174# DOUBLE SUFFIX RULES
175
176.c.o:
177	${CC} ${CFLAGS} -c ${.IMPSRC}
178	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || \
179		(${ECHO} ${CTFCONVERT} ${CTFFLAGS} ${.TARGET} && \
180		${CTFCONVERT} ${CTFFLAGS} ${.TARGET})
181
182.f.o:
183	${FC} ${FFLAGS} -c ${.IMPSRC}
184	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || \
185		(${ECHO} ${CTFCONVERT} ${CTFFLAGS} ${.TARGET} && \
186		${CTFCONVERT} ${CTFFLAGS} ${.TARGET})
187
188.y.o:
189	${YACC} ${YFLAGS} ${.IMPSRC}
190	${CC} ${CFLAGS} -c y.tab.c
191	rm -f y.tab.c
192	mv y.tab.o ${.TARGET}
193	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || \
194		(${ECHO} ${CTFCONVERT} ${CTFFLAGS} ${.TARGET} && \
195		${CTFCONVERT} ${CTFFLAGS} ${.TARGET})
196
197.l.o:
198	${LEX} ${LFLAGS} ${.IMPSRC}
199	${CC} ${CFLAGS} -c lex.yy.c
200	rm -f lex.yy.c
201	mv lex.yy.o ${.TARGET}
202	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || \
203		(${ECHO} ${CTFCONVERT} ${CTFFLAGS} ${.TARGET} && \
204		${CTFCONVERT} ${CTFFLAGS} ${.TARGET})
205
206.y.c:
207	${YACC} ${YFLAGS} ${.IMPSRC}
208	mv y.tab.c ${.TARGET}
209
210.l.c:
211	${LEX} ${LFLAGS} ${.IMPSRC}
212	mv lex.yy.c ${.TARGET}
213
214.c.a:
215	${CC} ${CFLAGS} -c ${.IMPSRC}
216	${AR} ${ARFLAGS} ${.TARGET} ${.PREFIX}.o
217	rm -f ${.PREFIX}.o
218
219.f.a:
220	${FC} ${FFLAGS} -c ${.IMPSRC}
221	${AR} ${ARFLAGS} ${.TARGET} ${.PREFIX}.o
222	rm -f ${.PREFIX}.o
223
224.else
225
226# non-Posix rule set
227
228.sh:
229	cp -fp ${.IMPSRC} ${.TARGET}
230	chmod a+x ${.TARGET}
231
232.c.ln:
233	${LINT} ${LINTOBJFLAGS} ${CFLAGS:M-[DIU]*} ${.IMPSRC} || \
234	    touch ${.TARGET}
235
236.cc.ln .C.ln .cpp.ln .cxx.ln:
237	${LINT} ${LINTOBJFLAGS} ${CXXFLAGS:M-[DIU]*} ${.IMPSRC} || \
238	    touch ${.TARGET}
239
240.c:
241	${CC} ${CFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
242	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || \
243		(${ECHO} ${CTFCONVERT} ${CTFFLAGS} ${.TARGET} && \
244		${CTFCONVERT} ${CTFFLAGS} ${.TARGET})
245
246.c.o:
247	${CC} ${CFLAGS} -c ${.IMPSRC}
248	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || \
249		(${ECHO} ${CTFCONVERT} ${CTFFLAGS} ${.TARGET} && \
250		${CTFCONVERT} ${CTFFLAGS} ${.TARGET})
251
252.cc .cpp .cxx .C:
253	${CXX} ${CXXFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
254
255.cc.o .cpp.o .cxx.o .C.o:
256	${CXX} ${CXXFLAGS} -c ${.IMPSRC}
257
258.m.o:
259	${OBJC} ${OBJCFLAGS} -c ${.IMPSRC}
260	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || \
261		(${ECHO} ${CTFCONVERT} ${CTFFLAGS} ${.TARGET} && \
262		${CTFCONVERT} ${CTFFLAGS} ${.TARGET})
263
264.p.o:
265	${PC} ${PFLAGS} -c ${.IMPSRC}
266	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || \
267		(${ECHO} ${CTFCONVERT} ${CTFFLAGS} ${.TARGET} && \
268		${CTFCONVERT} ${CTFFLAGS} ${.TARGET})
269
270.e .r .F .f:
271	${FC} ${RFLAGS} ${EFLAGS} ${FFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} \
272	    -o ${.TARGET}
273
274.e.o .r.o .F.o .f.o:
275	${FC} ${RFLAGS} ${EFLAGS} ${FFLAGS} -c ${.IMPSRC}
276
277.S.o:
278	${CC} ${CFLAGS} -c ${.IMPSRC}
279	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || \
280		(${ECHO} ${CTFCONVERT} ${CTFFLAGS} ${.TARGET} && \
281		${CTFCONVERT} ${CTFFLAGS} ${.TARGET})
282
283.asm.o:
284	${CC} -x assembler-with-cpp ${CFLAGS} -c ${.IMPSRC}
285	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || \
286		(${ECHO} ${CTFCONVERT} ${CTFFLAGS} ${.TARGET} && \
287		${CTFCONVERT} ${CTFFLAGS} ${.TARGET})
288
289.s.o:
290	${AS} ${AFLAGS} -o ${.TARGET} ${.IMPSRC}
291	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || \
292		(${ECHO} ${CTFCONVERT} ${CTFFLAGS} ${.TARGET} && \
293		${CTFCONVERT} ${CTFFLAGS} ${.TARGET})
294
295# XXX not -j safe
296.y.o:
297	${YACC} ${YFLAGS} ${.IMPSRC}
298	${CC} ${CFLAGS} -c y.tab.c -o ${.TARGET}
299	rm -f y.tab.c
300	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || \
301		(${ECHO} ${CTFCONVERT} ${CTFFLAGS} ${.TARGET} && \
302		${CTFCONVERT} ${CTFFLAGS} ${.TARGET})
303
304.l.o:
305	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.PREFIX}.tmp.c
306	${CC} ${CFLAGS} -c ${.PREFIX}.tmp.c -o ${.TARGET}
307	rm -f ${.PREFIX}.tmp.c
308	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || \
309		(${ECHO} ${CTFCONVERT} ${CTFFLAGS} ${.TARGET} && \
310		${CTFCONVERT} ${CTFFLAGS} ${.TARGET})
311
312# XXX not -j safe
313.y.c:
314	${YACC} ${YFLAGS} ${.IMPSRC}
315	mv y.tab.c ${.TARGET}
316
317.l.c:
318	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.TARGET}
319
320.s.out .c.out .o.out:
321	${CC} ${CFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
322	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || \
323		(${ECHO} ${CTFCONVERT} ${CTFFLAGS} ${.TARGET} && \
324		${CTFCONVERT} ${CTFFLAGS} ${.TARGET})
325
326.f.out .F.out .r.out .e.out:
327	${FC} ${EFLAGS} ${RFLAGS} ${FFLAGS} ${LDFLAGS} ${.IMPSRC} \
328	    ${LDLIBS} -o ${.TARGET}
329	rm -f ${.PREFIX}.o
330	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || \
331		(${ECHO} ${CTFCONVERT} ${CTFFLAGS} ${.TARGET} && \
332		${CTFCONVERT} ${CTFFLAGS} ${.TARGET})
333
334# XXX not -j safe
335.y.out:
336	${YACC} ${YFLAGS} ${.IMPSRC}
337	${CC} ${CFLAGS} ${LDFLAGS} y.tab.c ${LDLIBS} -ly -o ${.TARGET}
338	rm -f y.tab.c
339	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || \
340		(${ECHO} ${CTFCONVERT} ${CTFFLAGS} ${.TARGET} && \
341		${CTFCONVERT} ${CTFFLAGS} ${.TARGET})
342
343.l.out:
344	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.PREFIX}.tmp.c
345	${CC} ${CFLAGS} ${LDFLAGS} ${.PREFIX}.tmp.c ${LDLIBS} -ll -o ${.TARGET}
346	rm -f ${.PREFIX}.tmp.c
347	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || \
348		(${ECHO} ${CTFCONVERT} ${CTFFLAGS} ${.TARGET} && \
349		${CTFCONVERT} ${CTFFLAGS} ${.TARGET})
350
351# FreeBSD build pollution.  Hide it in the non-POSIX part of the ifdef.
352__MAKE_CONF?=/etc/make.conf
353.if exists(${__MAKE_CONF})
354.include "${__MAKE_CONF}"
355.endif
356
357.if defined(__MAKE_SHELL) && !empty(__MAKE_SHELL)
358SHELL=	${__MAKE_SHELL}
359.SHELL: path=${__MAKE_SHELL}
360.endif
361
362# Default executable format
363# XXX hint for bsd.port.mk
364OBJFORMAT?=	elf
365
366# Toggle on warnings
367.WARN: dirsyntax
368
369.endif
370
371.include <bsd.compat.mk>
372.include <bsd.cpu.mk>
373