sys.mk revision 173375 
1#	from: @(#)sys.mk	8.2 (Berkeley) 3/21/94
2# $FreeBSD: head/share/mk/sys.mk 173375 2007-11-05 23:08:34Z cognet $
3
4unix		?=	We run FreeBSD, not UNIX.
5.FreeBSD	?=	true
6
7# If the special target .POSIX appears (without prerequisites or
8# commands) before the first noncomment line in the makefile, make shall
9# process the makefile as specified by the Posix 1003.2 specification.
10# make(1) sets the special macro %POSIX in this case (to the actual
11# value "1003.2", for what it's worth).
12#
13# The rules below use this macro to distinguish between Posix-compliant
14# and default behaviour.
15
16.if defined(%POSIX)
17.SUFFIXES:	.o .c .y .l .a .sh .f
18.else
19.SUFFIXES:	.out .a .ln .o .c .cc .cpp .cxx .C .m .F .f .e .r .y .l .S .asm .s .cl .p .h .sh
20.endif
21
22AR		?=	ar
23.if defined(%POSIX)
24ARFLAGS		?=	-rv
25.else
26ARFLAGS		?=	rl
27.endif
28RANLIB		?=	ranlib
29
30AS		?=	as
31AFLAGS		?=
32
33.if defined(%POSIX)
34CC		?=	c89
35CFLAGS		?=	-O
36.else
37CC		?=	cc
38.if ${MACHINE_ARCH} == "arm"
39CFLAGS		?=	-O -fno-strict-aliasing -pipe
40.else
41CFLAGS		?=	-O2 -fno-strict-aliasing -pipe
42.endif
43.endif
44
45CXX		?=	c++
46CXXFLAGS	?=	${CFLAGS:N-std=*:N-Wnested-externs:N-W*-prototypes}
47
48CPP		?=	cpp
49
50.if empty(.MAKEFLAGS:M-s)
51ECHO		?=	echo
52ECHODIR		?=	echo
53.else
54ECHO		?=	true
55.if ${.MAKEFLAGS:M-s} == "-s"
56ECHODIR		?=	echo
57.else
58ECHODIR		?=	true
59.endif
60.endif
61
62.if !empty(.MAKEFLAGS:M-n) && ${.MAKEFLAGS:M-n} == "-n"
63_+_		?=
64.else
65_+_		?=	+
66.endif
67
68.if defined(%POSIX)
69FC		?=	fort77
70FFLAGS		?=	-O 1
71.else
72FC		?=	f77
73FFLAGS		?=	-O
74.endif
75EFLAGS		?=
76
77INSTALL		?=	install
78
79LEX		?=	lex
80LFLAGS		?=
81
82LD		?=	ld
83LDFLAGS		?=
84
85LINT		?=	lint
86LINTFLAGS	?=	-cghapbx
87LINTKERNFLAGS	?=	${LINTFLAGS}
88LINTOBJFLAGS	?=	-cghapbxu -i
89LINTOBJKERNFLAGS?=	${LINTOBJFLAGS}
90LINTLIBFLAGS	?=	-cghapbxu -C ${LIB}
91
92MAKE		?=	make
93
94OBJC		?=	cc
95OBJCFLAGS	?=	${OBJCINCLUDES} ${CFLAGS} -Wno-import
96
97PC		?=	pc
98PFLAGS		?=
99
100RC		?=	f77
101RFLAGS		?=
102
103SHELL		?=	sh
104
105YACC		?=	yacc
106.if defined(%POSIX)
107YFLAGS		?=
108.else
109YFLAGS		?=	-d
110.endif
111
112.if defined(%POSIX)
113
114# Posix 1003.2 mandated rules
115#
116# Quoted directly from the Posix 1003.2 draft, only the macros
117# $@, $< and $* have been replaced by ${.TARGET}, ${.IMPSRC}, and
118# ${.PREFIX}, resp.
119
120# SINGLE SUFFIX RULES
121.c:
122	${CC} ${CFLAGS} ${LDFLAGS} -o ${.TARGET} ${.IMPSRC}
123
124.f:
125	${FC} ${FFLAGS} ${LDFLAGS} -o ${.TARGET} ${.IMPSRC}
126
127.sh:
128	cp ${.IMPSRC} ${.TARGET}
129	chmod a+x ${.TARGET}
130
131# DOUBLE SUFFIX RULES
132
133.c.o:
134	${CC} ${CFLAGS} -c ${.IMPSRC}
135
136.f.o:
137	${FC} ${FFLAGS} -c ${.IMPSRC}
138
139.y.o:
140	${YACC} ${YFLAGS} ${.IMPSRC}
141	${CC} ${CFLAGS} -c y.tab.c
142	rm -f y.tab.c
143	mv y.tab.o ${.TARGET}
144
145.l.o:
146	${LEX} ${LFLAGS} ${.IMPSRC}
147	${CC} ${CFLAGS} -c lex.yy.c
148	rm -f lex.yy.c
149	mv lex.yy.o ${.TARGET}
150
151.y.c:
152	${YACC} ${YFLAGS} ${.IMPSRC}
153	mv y.tab.c ${.TARGET}
154
155.l.c:
156	${LEX} ${LFLAGS} ${.IMPSRC}
157	mv lex.yy.c ${.TARGET}
158
159.c.a:
160	${CC} ${CFLAGS} -c ${.IMPSRC}
161	${AR} ${ARFLAGS} ${.TARGET} ${.PREFIX}.o
162	rm -f ${.PREFIX}.o
163
164.f.a:
165	${FC} ${FFLAGS} -c ${.IMPSRC}
166	${AR} ${ARFLAGS} ${.TARGET} ${.PREFIX}.o
167	rm -f ${.PREFIX}.o
168
169.else
170
171# non-Posix rule set
172
173.sh:
174	cp -p ${.IMPSRC} ${.TARGET}
175	chmod a+x ${.TARGET}
176
177.c.ln:
178	${LINT} ${LINTOBJFLAGS} ${CFLAGS:M-[DIU]*} ${.IMPSRC} || \
179	    touch ${.TARGET}
180
181.cc.ln .C.ln .cpp.ln .cxx.ln:
182	${LINT} ${LINTOBJFLAGS} ${CXXFLAGS:M-[DIU]*} ${.IMPSRC} || \
183	    touch ${.TARGET}
184
185.c:
186	${CC} ${CFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
187
188.c.o:
189	${CC} ${CFLAGS} -c ${.IMPSRC}
190
191.cc .cpp .cxx .C:
192	${CXX} ${CXXFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
193
194.cc.o .cpp.o .cxx.o .C.o:
195	${CXX} ${CXXFLAGS} -c ${.IMPSRC}
196
197.m.o:
198	${OBJC} ${OBJCFLAGS} -c ${.IMPSRC}
199
200.p.o:
201	${PC} ${PFLAGS} -c ${.IMPSRC}
202
203.e .r .F .f:
204	${FC} ${RFLAGS} ${EFLAGS} ${FFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} \
205	    -o ${.TARGET}
206
207.e.o .r.o .F.o .f.o:
208	${FC} ${RFLAGS} ${EFLAGS} ${FFLAGS} -c ${.IMPSRC}
209
210.S.o:
211	${CC} ${CFLAGS} -c ${.IMPSRC}
212
213.asm.o:
214	${CC} -x assembler-with-cpp ${CFLAGS} -c ${.IMPSRC}
215
216.s.o:
217	${AS} ${AFLAGS} -o ${.TARGET} ${.IMPSRC}
218
219# XXX not -j safe
220.y.o:
221	${YACC} ${YFLAGS} ${.IMPSRC}
222	${CC} ${CFLAGS} -c y.tab.c -o ${.TARGET}
223	rm -f y.tab.c
224
225.l.o:
226	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.PREFIX}.tmp.c
227	${CC} ${CFLAGS} -c ${.PREFIX}.tmp.c -o ${.TARGET}
228	rm -f ${.PREFIX}.tmp.c
229
230# XXX not -j safe
231.y.c:
232	${YACC} ${YFLAGS} ${.IMPSRC}
233	mv y.tab.c ${.TARGET}
234
235.l.c:
236	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.TARGET}
237
238.s.out .c.out .o.out:
239	${CC} ${CFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
240
241.f.out .F.out .r.out .e.out:
242	${FC} ${EFLAGS} ${RFLAGS} ${FFLAGS} ${LDFLAGS} ${.IMPSRC} \
243	    ${LDLIBS} -o ${.TARGET}
244	rm -f ${.PREFIX}.o
245
246# XXX not -j safe
247.y.out:
248	${YACC} ${YFLAGS} ${.IMPSRC}
249	${CC} ${CFLAGS} ${LDFLAGS} y.tab.c ${LDLIBS} -ly -o ${.TARGET}
250	rm -f y.tab.c
251
252.l.out:
253	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.PREFIX}.tmp.c
254	${CC} ${CFLAGS} ${LDFLAGS} ${.PREFIX}.tmp.c ${LDLIBS} -ll -o ${.TARGET}
255	rm -f ${.PREFIX}.tmp.c
256
257# FreeBSD build pollution.  Hide it in the non-POSIX part of the ifdef.
258__MAKE_CONF?=/etc/make.conf
259.if exists(${__MAKE_CONF})
260.include "${__MAKE_CONF}"
261.endif
262
263.if defined(__MAKE_SHELL) && !empty(__MAKE_SHELL)
264SHELL=	${__MAKE_SHELL}
265.SHELL: path=${__MAKE_SHELL}
266.endif
267
268# Default executable format
269# XXX hint for bsd.port.mk
270OBJFORMAT?=	elf
271
272# Toggle on warnings
273.WARN: dirsyntax
274
275.endif
276
277.include <bsd.compat.mk>
278.include <bsd.cpu.mk>
279