xref: /freebsd/share/mk/sys.mk (revision 09d325677d53a12c79a43664ff29871e92247629)
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(n32|64)?(el)?/mips/:C/arm(v6)?(eb)?/arm/:C/powerpc64/powerpc/}
17.endif
18
19# Set any local definitions first. Place this early, but it needs
20# MACHINE_CPUARCH to be defined.
21.sinclude <local.sys.mk>
22
23# If the special target .POSIX appears (without prerequisites or
24# commands) before the first noncomment line in the makefile, make shall
25# process the makefile as specified by the Posix 1003.2 specification.
26# make(1) sets the special macro %POSIX in this case (to the actual
27# value "1003.2", for what it's worth).
28#
29# The rules below use this macro to distinguish between Posix-compliant
30# and default behaviour.
31
32.if defined(%POSIX)
33.SUFFIXES:	.o .c .y .l .a .sh .f
34.else
35.SUFFIXES:	.out .a .ln .o .c .cc .cpp .cxx .C .m .F .f .e .r .y .l .S .asm .s .cl .p .h .sh
36.endif
37
38AR		?=	ar
39.if defined(%POSIX)
40ARFLAGS		?=	-rv
41.else
42ARFLAGS		?=	cru
43.endif
44RANLIB		?=	ranlib
45
46AS		?=	as
47AFLAGS		?=
48ACFLAGS		?=
49
50.if defined(%POSIX)
51CC		?=	c89
52CFLAGS		?=	-O
53.else
54CC		?=	cc
55.if ${MACHINE_CPUARCH} == "arm" || ${MACHINE_CPUARCH} == "mips"
56CFLAGS		?=	-O -pipe
57.else
58CFLAGS		?=	-O2 -pipe
59.endif
60.if defined(NO_STRICT_ALIASING)
61CFLAGS		+=	-fno-strict-aliasing
62.endif
63.endif
64PO_CFLAGS	?=	${CFLAGS}
65
66# C Type Format data is required for DTrace
67CTFFLAGS	?=	-L VERSION
68
69CTFCONVERT	?=	ctfconvert
70CTFMERGE	?=	ctfmerge
71DTRACE		?=	dtrace
72.if defined(CFLAGS) && (${CFLAGS:M-g} != "")
73CTFFLAGS	+=	-g
74.else
75# XXX: What to do here? Is removing the CFLAGS part completely ok here?
76# For now comment it out to not compile with -g unconditionally.
77#CFLAGS		+=	-g
78.endif
79
80CXX		?=	c++
81CXXFLAGS	?=	${CFLAGS:N-std=*:N-Wnested-externs:N-W*-prototypes:N-Wno-pointer-sign:N-Wold-style-definition}
82PO_CXXFLAGS	?=	${CXXFLAGS}
83
84CPP		?=	cpp
85
86.if empty(.MAKEFLAGS:M-s)
87ECHO		?=	echo
88ECHODIR		?=	echo
89.else
90ECHO		?=	true
91.if ${.MAKEFLAGS:M-s} == "-s"
92ECHODIR		?=	echo
93.else
94ECHODIR		?=	true
95.endif
96.endif
97
98.if defined(.PARSEDIR)
99# _+_ appears to be a workaround for the special src .MAKE not working.
100# setting it to + interferes with -N
101_+_		?=
102.elif !empty(.MAKEFLAGS:M-n) && ${.MAKEFLAGS:M-n} == "-n"
103# the check above matches only a single -n, so -n -n will result
104# in _+_ = +
105_+_		?=
106.else
107_+_		?=	+
108.endif
109
110.if defined(%POSIX)
111FC		?=	fort77
112FFLAGS		?=	-O 1
113.else
114FC		?=	f77
115FFLAGS		?=	-O
116.endif
117EFLAGS		?=
118
119INSTALL		?=	install
120
121LEX		?=	lex
122LFLAGS		?=
123
124LD		?=	ld
125LDFLAGS		?=
126
127LINT		?=	lint
128LINTFLAGS	?=	-cghapbx
129LINTKERNFLAGS	?=	${LINTFLAGS}
130LINTOBJFLAGS	?=	-cghapbxu -i
131LINTOBJKERNFLAGS?=	${LINTOBJFLAGS}
132LINTLIBFLAGS	?=	-cghapbxu -C ${LIB}
133
134MAKE		?=	make
135
136.if !defined(%POSIX)
137NM		?=	nm
138
139OBJC		?=	cc
140OBJCFLAGS	?=	${OBJCINCLUDES} ${CFLAGS} -Wno-import
141
142OBJCOPY		?=	objcopy
143
144PC		?=	pc
145PFLAGS		?=
146
147RC		?=	f77
148RFLAGS		?=
149.endif
150
151SHELL		?=	sh
152
153YACC		?=	yacc
154.if defined(%POSIX)
155YFLAGS		?=
156.else
157YFLAGS		?=	-d
158.endif
159
160.if defined(%POSIX)
161
162# Posix 1003.2 mandated rules
163#
164# Quoted directly from the Posix 1003.2 draft, only the macros
165# $@, $< and $* have been replaced by ${.TARGET}, ${.IMPSRC}, and
166# ${.PREFIX}, resp.
167
168# SINGLE SUFFIX RULES
169.c:
170	${CC} ${CFLAGS} ${LDFLAGS} -o ${.TARGET} ${.IMPSRC}
171	${CTFCONVERT_CMD}
172
173.f:
174	${FC} ${FFLAGS} ${LDFLAGS} -o ${.TARGET} ${.IMPSRC}
175	${CTFCONVERT_CMD}
176
177.sh:
178	cp -f ${.IMPSRC} ${.TARGET}
179	chmod a+x ${.TARGET}
180
181# DOUBLE SUFFIX RULES
182
183.c.o:
184	${CC} ${CFLAGS} -c ${.IMPSRC}
185	${CTFCONVERT_CMD}
186
187.f.o:
188	${FC} ${FFLAGS} -c ${.IMPSRC}
189	${CTFCONVERT_CMD}
190
191.y.o:
192	${YACC} ${YFLAGS} ${.IMPSRC}
193	${CC} ${CFLAGS} -c y.tab.c
194	rm -f y.tab.c
195	mv y.tab.o ${.TARGET}
196	${CTFCONVERT_CMD}
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	${CTFCONVERT_CMD}
204
205.y.c:
206	${YACC} ${YFLAGS} ${.IMPSRC}
207	mv y.tab.c ${.TARGET}
208
209.l.c:
210	${LEX} ${LFLAGS} ${.IMPSRC}
211	mv lex.yy.c ${.TARGET}
212
213.c.a:
214	${CC} ${CFLAGS} -c ${.IMPSRC}
215	${AR} ${ARFLAGS} ${.TARGET} ${.PREFIX}.o
216	rm -f ${.PREFIX}.o
217
218.f.a:
219	${FC} ${FFLAGS} -c ${.IMPSRC}
220	${AR} ${ARFLAGS} ${.TARGET} ${.PREFIX}.o
221	rm -f ${.PREFIX}.o
222
223.else
224
225# non-Posix rule set
226
227.sh:
228	cp -fp ${.IMPSRC} ${.TARGET}
229	chmod a+x ${.TARGET}
230
231.c.ln:
232	${LINT} ${LINTOBJFLAGS} ${CFLAGS:M-[DIU]*} ${.IMPSRC} || \
233	    touch ${.TARGET}
234
235.cc.ln .C.ln .cpp.ln .cxx.ln:
236	${LINT} ${LINTOBJFLAGS} ${CXXFLAGS:M-[DIU]*} ${.IMPSRC} || \
237	    touch ${.TARGET}
238
239.c:
240	${CC} ${CFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
241	${CTFCONVERT_CMD}
242
243.c.o:
244	${CC} ${CFLAGS} -c ${.IMPSRC}
245	${CTFCONVERT_CMD}
246
247.cc .cpp .cxx .C:
248	${CXX} ${CXXFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
249
250.cc.o .cpp.o .cxx.o .C.o:
251	${CXX} ${CXXFLAGS} -c ${.IMPSRC}
252
253.m.o:
254	${OBJC} ${OBJCFLAGS} -c ${.IMPSRC}
255	${CTFCONVERT_CMD}
256
257.p.o:
258	${PC} ${PFLAGS} -c ${.IMPSRC}
259	${CTFCONVERT_CMD}
260
261.e .r .F .f:
262	${FC} ${RFLAGS} ${EFLAGS} ${FFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} \
263	    -o ${.TARGET}
264
265.e.o .r.o .F.o .f.o:
266	${FC} ${RFLAGS} ${EFLAGS} ${FFLAGS} -c ${.IMPSRC}
267
268.S.o:
269	${CC} ${CFLAGS} ${ACFLAGS} -c ${.IMPSRC}
270	${CTFCONVERT_CMD}
271
272.asm.o:
273	${CC} -x assembler-with-cpp ${CFLAGS} ${ACFLAGS} -c ${.IMPSRC}
274	${CTFCONVERT_CMD}
275
276.s.o:
277	${AS} ${AFLAGS} -o ${.TARGET} ${.IMPSRC}
278	${CTFCONVERT_CMD}
279
280# XXX not -j safe
281.y.o:
282	${YACC} ${YFLAGS} ${.IMPSRC}
283	${CC} ${CFLAGS} -c y.tab.c -o ${.TARGET}
284	rm -f y.tab.c
285	${CTFCONVERT_CMD}
286
287.l.o:
288	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.PREFIX}.tmp.c
289	${CC} ${CFLAGS} -c ${.PREFIX}.tmp.c -o ${.TARGET}
290	rm -f ${.PREFIX}.tmp.c
291	${CTFCONVERT_CMD}
292
293# XXX not -j safe
294.y.c:
295	${YACC} ${YFLAGS} ${.IMPSRC}
296	mv y.tab.c ${.TARGET}
297
298.l.c:
299	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.TARGET}
300
301.s.out .c.out .o.out:
302	${CC} ${CFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
303	${CTFCONVERT_CMD}
304
305.f.out .F.out .r.out .e.out:
306	${FC} ${EFLAGS} ${RFLAGS} ${FFLAGS} ${LDFLAGS} ${.IMPSRC} \
307	    ${LDLIBS} -o ${.TARGET}
308	rm -f ${.PREFIX}.o
309	${CTFCONVERT_CMD}
310
311# XXX not -j safe
312.y.out:
313	${YACC} ${YFLAGS} ${.IMPSRC}
314	${CC} ${CFLAGS} ${LDFLAGS} y.tab.c ${LDLIBS} -ly -o ${.TARGET}
315	rm -f y.tab.c
316	${CTFCONVERT_CMD}
317
318.l.out:
319	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.PREFIX}.tmp.c
320	${CC} ${CFLAGS} ${LDFLAGS} ${.PREFIX}.tmp.c ${LDLIBS} -ll -o ${.TARGET}
321	rm -f ${.PREFIX}.tmp.c
322	${CTFCONVERT_CMD}
323
324# FreeBSD build pollution.  Hide it in the non-POSIX part of the ifdef.
325__MAKE_CONF?=/etc/make.conf
326.if exists(${__MAKE_CONF})
327.include "${__MAKE_CONF}"
328.endif
329
330.if defined(__MAKE_SHELL) && !empty(__MAKE_SHELL)
331SHELL=	${__MAKE_SHELL}
332.SHELL: path=${__MAKE_SHELL}
333.endif
334
335.if !defined(.PARSEDIR)
336# We are not bmake, which is more aggressive about searching .PATH
337# It is sometime necessary to curb its enthusiasm with .NOPATH
338# The following allows us to quietly ignore .NOPATH when not using bmake.
339.NOTMAIN: .NOPATH
340.NOPATH:
341
342# Toggle on warnings
343.WARN: dirsyntax
344.endif
345
346.endif
347
348.if defined(.PARSEDIR)
349# Tell bmake to expand -V VAR by default
350.MAKE.EXPAND_VARIABLES= yes
351
352# Tell bmake the makefile preference
353.MAKE.MAKEFILE_PREFERENCE= BSDmakefile makefile Makefile
354
355# By default bmake does *not* use set -e
356# when running target scripts, this is a problem for many makefiles here.
357# So define a shell that will do what FreeBSD expects.
358.ifndef WITHOUT_SHELL_ERRCTL
359.SHELL: name=sh \
360	quiet="set -" echo="set -v" filter="set -" \
361	hasErrCtl=yes check="set -e" ignore="set +e" \
362	echoFlag=v errFlag=e \
363	path=${__MAKE_SHELL:U/bin/sh}
364.endif
365
366.endif
367
368.include <bsd.cpu.mk>
369