xref: /freebsd/share/mk/sys.mk (revision aa0a1e58) 
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/mips.*e[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		?=
44ACFLAGS		?=
45
46.if defined(%POSIX)
47CC		?=	c89
48CFLAGS		?=	-O
49.else
50CC		?=	cc
51.if ${MACHINE_CPUARCH} == "arm" || ${MACHINE_CPUARCH} == "mips"
52CFLAGS		?=	-O -pipe
53.else
54CFLAGS		?=	-O2 -pipe
55.endif
56.if defined(NO_STRICT_ALIASING)
57CFLAGS		+=	-fno-strict-aliasing
58.endif
59.endif
60PO_CFLAGS	?=	${CFLAGS}
61
62# Turn CTF conversion off by default for now. This default could be
63# changed later if DTrace becomes popular.
64.if !defined(WITH_CTF)
65NO_CTF		=	1
66.endif
67
68# C Type Format data is required for DTrace
69CTFFLAGS	?=	-L VERSION
70
71CTFCONVERT	?=	ctfconvert
72CTFMERGE	?=	ctfmerge
73DTRACE		?=	dtrace
74.if defined(CFLAGS) && (${CFLAGS:M-g} != "")
75CTFFLAGS	+=	-g
76.else
77# XXX: What to do here? Is removing the CFLAGS part completely ok here?
78# For now comment it out to not compile with -g unconditionally.
79#CFLAGS		+=	-g
80.endif
81
82CXX		?=	c++
83CXXFLAGS	?=	${CFLAGS:N-std=*:N-Wnested-externs:N-W*-prototypes:N-Wno-pointer-sign:N-Wold-style-definition}
84PO_CXXFLAGS	?=	${CXXFLAGS}
85
86CPP		?=	cpp
87
88.if empty(.MAKEFLAGS:M-s)
89ECHO		?=	echo
90ECHODIR		?=	echo
91.else
92ECHO		?=	true
93.if ${.MAKEFLAGS:M-s} == "-s"
94ECHODIR		?=	echo
95.else
96ECHODIR		?=	true
97.endif
98.endif
99
100.if !empty(.MAKEFLAGS:M-n) && ${.MAKEFLAGS:M-n} == "-n"
101_+_		?=
102.else
103_+_		?=	+
104.endif
105
106.if defined(%POSIX)
107FC		?=	fort77
108FFLAGS		?=	-O 1
109.else
110FC		?=	f77
111FFLAGS		?=	-O
112.endif
113EFLAGS		?=
114
115INSTALL		?=	install
116
117LEX		?=	lex
118LFLAGS		?=
119
120LD		?=	ld
121LDFLAGS		?=
122
123LINT		?=	lint
124LINTFLAGS	?=	-cghapbx
125LINTKERNFLAGS	?=	${LINTFLAGS}
126LINTOBJFLAGS	?=	-cghapbxu -i
127LINTOBJKERNFLAGS?=	${LINTOBJFLAGS}
128LINTLIBFLAGS	?=	-cghapbxu -C ${LIB}
129
130MAKE		?=	make
131
132OBJC		?=	cc
133OBJCFLAGS	?=	${OBJCINCLUDES} ${CFLAGS} -Wno-import
134
135PC		?=	pc
136PFLAGS		?=
137
138RC		?=	f77
139RFLAGS		?=
140
141SHELL		?=	sh
142
143YACC		?=	yacc
144.if defined(%POSIX)
145YFLAGS		?=
146.else
147YFLAGS		?=	-d
148.endif
149
150.if defined(%POSIX)
151
152# Posix 1003.2 mandated rules
153#
154# Quoted directly from the Posix 1003.2 draft, only the macros
155# $@, $< and $* have been replaced by ${.TARGET}, ${.IMPSRC}, and
156# ${.PREFIX}, resp.
157
158# SINGLE SUFFIX RULES
159.c:
160	${CC} ${CFLAGS} ${LDFLAGS} -o ${.TARGET} ${.IMPSRC}
161	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || \
162		(${ECHO} ${CTFCONVERT} ${CTFFLAGS} ${.TARGET} && \
163		${CTFCONVERT} ${CTFFLAGS} ${.TARGET})
164
165.f:
166	${FC} ${FFLAGS} ${LDFLAGS} -o ${.TARGET} ${.IMPSRC}
167	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || \
168		(${ECHO} ${CTFCONVERT} ${CTFFLAGS} ${.TARGET} && \
169		${CTFCONVERT} ${CTFFLAGS} ${.TARGET})
170
171.sh:
172	cp -f ${.IMPSRC} ${.TARGET}
173	chmod a+x ${.TARGET}
174
175# DOUBLE SUFFIX RULES
176
177.c.o:
178	${CC} ${CFLAGS} -c ${.IMPSRC}
179	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || \
180		(${ECHO} ${CTFCONVERT} ${CTFFLAGS} ${.TARGET} && \
181		${CTFCONVERT} ${CTFFLAGS} ${.TARGET})
182
183.f.o:
184	${FC} ${FFLAGS} -c ${.IMPSRC}
185	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || \
186		(${ECHO} ${CTFCONVERT} ${CTFFLAGS} ${.TARGET} && \
187		${CTFCONVERT} ${CTFFLAGS} ${.TARGET})
188
189.y.o:
190	${YACC} ${YFLAGS} ${.IMPSRC}
191	${CC} ${CFLAGS} -c y.tab.c
192	rm -f y.tab.c
193	mv y.tab.o ${.TARGET}
194	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || \
195		(${ECHO} ${CTFCONVERT} ${CTFFLAGS} ${.TARGET} && \
196		${CTFCONVERT} ${CTFFLAGS} ${.TARGET})
197
198.l.o:
199	${LEX} ${LFLAGS} ${.IMPSRC}
200	${CC} ${CFLAGS} -c lex.yy.c
201	rm -f lex.yy.c
202	mv lex.yy.o ${.TARGET}
203	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || \
204		(${ECHO} ${CTFCONVERT} ${CTFFLAGS} ${.TARGET} && \
205		${CTFCONVERT} ${CTFFLAGS} ${.TARGET})
206
207.y.c:
208	${YACC} ${YFLAGS} ${.IMPSRC}
209	mv y.tab.c ${.TARGET}
210
211.l.c:
212	${LEX} ${LFLAGS} ${.IMPSRC}
213	mv lex.yy.c ${.TARGET}
214
215.c.a:
216	${CC} ${CFLAGS} -c ${.IMPSRC}
217	${AR} ${ARFLAGS} ${.TARGET} ${.PREFIX}.o
218	rm -f ${.PREFIX}.o
219
220.f.a:
221	${FC} ${FFLAGS} -c ${.IMPSRC}
222	${AR} ${ARFLAGS} ${.TARGET} ${.PREFIX}.o
223	rm -f ${.PREFIX}.o
224
225.else
226
227# non-Posix rule set
228
229.sh:
230	cp -fp ${.IMPSRC} ${.TARGET}
231	chmod a+x ${.TARGET}
232
233.c.ln:
234	${LINT} ${LINTOBJFLAGS} ${CFLAGS:M-[DIU]*} ${.IMPSRC} || \
235	    touch ${.TARGET}
236
237.cc.ln .C.ln .cpp.ln .cxx.ln:
238	${LINT} ${LINTOBJFLAGS} ${CXXFLAGS:M-[DIU]*} ${.IMPSRC} || \
239	    touch ${.TARGET}
240
241.c:
242	${CC} ${CFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
243	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || \
244		(${ECHO} ${CTFCONVERT} ${CTFFLAGS} ${.TARGET} && \
245		${CTFCONVERT} ${CTFFLAGS} ${.TARGET})
246
247.c.o:
248	${CC} ${CFLAGS} -c ${.IMPSRC}
249	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || \
250		(${ECHO} ${CTFCONVERT} ${CTFFLAGS} ${.TARGET} && \
251		${CTFCONVERT} ${CTFFLAGS} ${.TARGET})
252
253.cc .cpp .cxx .C:
254	${CXX} ${CXXFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
255
256.cc.o .cpp.o .cxx.o .C.o:
257	${CXX} ${CXXFLAGS} -c ${.IMPSRC}
258
259.m.o:
260	${OBJC} ${OBJCFLAGS} -c ${.IMPSRC}
261	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || \
262		(${ECHO} ${CTFCONVERT} ${CTFFLAGS} ${.TARGET} && \
263		${CTFCONVERT} ${CTFFLAGS} ${.TARGET})
264
265.p.o:
266	${PC} ${PFLAGS} -c ${.IMPSRC}
267	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || \
268		(${ECHO} ${CTFCONVERT} ${CTFFLAGS} ${.TARGET} && \
269		${CTFCONVERT} ${CTFFLAGS} ${.TARGET})
270
271.e .r .F .f:
272	${FC} ${RFLAGS} ${EFLAGS} ${FFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} \
273	    -o ${.TARGET}
274
275.e.o .r.o .F.o .f.o:
276	${FC} ${RFLAGS} ${EFLAGS} ${FFLAGS} -c ${.IMPSRC}
277
278.S.o:
279	${CC} ${CFLAGS} ${ACFLAGS} -c ${.IMPSRC}
280	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || \
281		(${ECHO} ${CTFCONVERT} ${CTFFLAGS} ${.TARGET} && \
282		${CTFCONVERT} ${CTFFLAGS} ${.TARGET})
283
284.asm.o:
285	${CC} -x assembler-with-cpp ${CFLAGS} ${ACFLAGS} -c ${.IMPSRC}
286	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || \
287		(${ECHO} ${CTFCONVERT} ${CTFFLAGS} ${.TARGET} && \
288		${CTFCONVERT} ${CTFFLAGS} ${.TARGET})
289
290.s.o:
291	${AS} ${AFLAGS} -o ${.TARGET} ${.IMPSRC}
292	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || \
293		(${ECHO} ${CTFCONVERT} ${CTFFLAGS} ${.TARGET} && \
294		${CTFCONVERT} ${CTFFLAGS} ${.TARGET})
295
296# XXX not -j safe
297.y.o:
298	${YACC} ${YFLAGS} ${.IMPSRC}
299	${CC} ${CFLAGS} -c y.tab.c -o ${.TARGET}
300	rm -f y.tab.c
301	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || \
302		(${ECHO} ${CTFCONVERT} ${CTFFLAGS} ${.TARGET} && \
303		${CTFCONVERT} ${CTFFLAGS} ${.TARGET})
304
305.l.o:
306	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.PREFIX}.tmp.c
307	${CC} ${CFLAGS} -c ${.PREFIX}.tmp.c -o ${.TARGET}
308	rm -f ${.PREFIX}.tmp.c
309	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || \
310		(${ECHO} ${CTFCONVERT} ${CTFFLAGS} ${.TARGET} && \
311		${CTFCONVERT} ${CTFFLAGS} ${.TARGET})
312
313# XXX not -j safe
314.y.c:
315	${YACC} ${YFLAGS} ${.IMPSRC}
316	mv y.tab.c ${.TARGET}
317
318.l.c:
319	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.TARGET}
320
321.s.out .c.out .o.out:
322	${CC} ${CFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
323	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || \
324		(${ECHO} ${CTFCONVERT} ${CTFFLAGS} ${.TARGET} && \
325		${CTFCONVERT} ${CTFFLAGS} ${.TARGET})
326
327.f.out .F.out .r.out .e.out:
328	${FC} ${EFLAGS} ${RFLAGS} ${FFLAGS} ${LDFLAGS} ${.IMPSRC} \
329	    ${LDLIBS} -o ${.TARGET}
330	rm -f ${.PREFIX}.o
331	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || \
332		(${ECHO} ${CTFCONVERT} ${CTFFLAGS} ${.TARGET} && \
333		${CTFCONVERT} ${CTFFLAGS} ${.TARGET})
334
335# XXX not -j safe
336.y.out:
337	${YACC} ${YFLAGS} ${.IMPSRC}
338	${CC} ${CFLAGS} ${LDFLAGS} y.tab.c ${LDLIBS} -ly -o ${.TARGET}
339	rm -f y.tab.c
340	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || \
341		(${ECHO} ${CTFCONVERT} ${CTFFLAGS} ${.TARGET} && \
342		${CTFCONVERT} ${CTFFLAGS} ${.TARGET})
343
344.l.out:
345	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.PREFIX}.tmp.c
346	${CC} ${CFLAGS} ${LDFLAGS} ${.PREFIX}.tmp.c ${LDLIBS} -ll -o ${.TARGET}
347	rm -f ${.PREFIX}.tmp.c
348	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || \
349		(${ECHO} ${CTFCONVERT} ${CTFFLAGS} ${.TARGET} && \
350		${CTFCONVERT} ${CTFFLAGS} ${.TARGET})
351
352# FreeBSD build pollution.  Hide it in the non-POSIX part of the ifdef.
353__MAKE_CONF?=/etc/make.conf
354.if exists(${__MAKE_CONF})
355.include "${__MAKE_CONF}"
356.endif
357
358.if defined(__MAKE_SHELL) && !empty(__MAKE_SHELL)
359SHELL=	${__MAKE_SHELL}
360.SHELL: path=${__MAKE_SHELL}
361.endif
362
363# Default executable format
364# XXX hint for bsd.port.mk
365OBJFORMAT?=	elf
366
367# Toggle on warnings
368.WARN: dirsyntax
369
370.endif
371
372.include <bsd.compat.mk>
373.include <bsd.cpu.mk>
374