xref: /freebsd/share/mk/sys.mk (revision a223d3ed90bfe313ce5987d468a25a915d7d1254)
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|hf)?/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		?=	-crD
39.endif
40RANLIB		?=	ranlib
41.if !defined(%POSIX)
42RANLIBFLAGS	?=	-D
43.endif
44
45AS		?=	as
46AFLAGS		?=
47ACFLAGS		?=
48
49.if defined(%POSIX)
50CC		?=	c89
51CFLAGS		?=	-O
52.else
53CC		?=	cc
54.if ${MACHINE_CPUARCH} == "arm" || ${MACHINE_CPUARCH} == "mips"
55CFLAGS		?=	-O -pipe
56.else
57CFLAGS		?=	-O2 -pipe
58.endif
59.if defined(NO_STRICT_ALIASING)
60CFLAGS		+=	-fno-strict-aliasing
61.endif
62.endif
63PO_CFLAGS	?=	${CFLAGS}
64
65# C Type Format data is required for DTrace
66CTFFLAGS	?=	-L VERSION
67
68CTFCONVERT	?=	ctfconvert
69CTFMERGE	?=	ctfmerge
70DTRACE		?=	dtrace
71.if defined(CFLAGS) && (${CFLAGS:M-g} != "")
72CTFFLAGS	+=	-g
73.endif
74
75CXX		?=	c++
76CXXFLAGS	?=	${CFLAGS:N-std=*:N-Wnested-externs:N-W*-prototypes:N-Wno-pointer-sign:N-Wold-style-definition}
77PO_CXXFLAGS	?=	${CXXFLAGS}
78
79CPP		?=	cpp
80
81.if empty(.MAKEFLAGS:M-s)
82ECHO		?=	echo
83ECHODIR		?=	echo
84.else
85ECHO		?=	true
86.if ${.MAKEFLAGS:M-s} == "-s"
87ECHODIR		?=	echo
88.else
89ECHODIR		?=	true
90.endif
91.endif
92
93.if defined(.PARSEDIR)
94# _+_ appears to be a workaround for the special src .MAKE not working.
95# setting it to + interferes with -N
96_+_		?=
97.elif !empty(.MAKEFLAGS:M-n) && ${.MAKEFLAGS:M-n} == "-n"
98# the check above matches only a single -n, so -n -n will result
99# in _+_ = +
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
131.if !defined(%POSIX)
132NM		?=	nm
133
134OBJC		?=	cc
135OBJCFLAGS	?=	${OBJCINCLUDES} ${CFLAGS} -Wno-import
136
137OBJCOPY		?=	objcopy
138
139PC		?=	pc
140PFLAGS		?=
141
142RC		?=	f77
143RFLAGS		?=
144.endif
145
146SHELL		?=	sh
147
148YACC		?=	yacc
149.if defined(%POSIX)
150YFLAGS		?=
151.else
152YFLAGS		?=	-d
153.endif
154
155.if defined(%POSIX)
156
157# Posix 1003.2 mandated rules
158#
159# Quoted directly from the Posix 1003.2 draft, only the macros
160# $@, $< and $* have been replaced by ${.TARGET}, ${.IMPSRC}, and
161# ${.PREFIX}, resp.
162
163# SINGLE SUFFIX RULES
164.c:
165	${CC} ${CFLAGS} ${LDFLAGS} -o ${.TARGET} ${.IMPSRC}
166
167.f:
168	${FC} ${FFLAGS} ${LDFLAGS} -o ${.TARGET} ${.IMPSRC}
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
179.f.o:
180	${FC} ${FFLAGS} -c ${.IMPSRC}
181
182.y.o:
183	${YACC} ${YFLAGS} ${.IMPSRC}
184	${CC} ${CFLAGS} -c y.tab.c
185	rm -f y.tab.c
186	mv y.tab.o ${.TARGET}
187
188.l.o:
189	${LEX} ${LFLAGS} ${.IMPSRC}
190	${CC} ${CFLAGS} -c lex.yy.c
191	rm -f lex.yy.c
192	mv lex.yy.o ${.TARGET}
193
194.y.c:
195	${YACC} ${YFLAGS} ${.IMPSRC}
196	mv y.tab.c ${.TARGET}
197
198.l.c:
199	${LEX} ${LFLAGS} ${.IMPSRC}
200	mv lex.yy.c ${.TARGET}
201
202.c.a:
203	${CC} ${CFLAGS} -c ${.IMPSRC}
204	${AR} ${ARFLAGS} ${.TARGET} ${.PREFIX}.o
205	rm -f ${.PREFIX}.o
206
207.f.a:
208	${FC} ${FFLAGS} -c ${.IMPSRC}
209	${AR} ${ARFLAGS} ${.TARGET} ${.PREFIX}.o
210	rm -f ${.PREFIX}.o
211
212.else
213
214# non-Posix rule set
215
216.sh:
217	cp -fp ${.IMPSRC} ${.TARGET}
218	chmod a+x ${.TARGET}
219
220.c.ln:
221	${LINT} ${LINTOBJFLAGS} ${CFLAGS:M-[DIU]*} ${.IMPSRC} || \
222	    touch ${.TARGET}
223
224.cc.ln .C.ln .cpp.ln .cxx.ln:
225	${LINT} ${LINTOBJFLAGS} ${CXXFLAGS:M-[DIU]*} ${.IMPSRC} || \
226	    touch ${.TARGET}
227
228.c:
229	${CC} ${CFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
230	${CTFCONVERT_CMD}
231
232.c.o:
233	${CC} ${CFLAGS} -c ${.IMPSRC}
234	${CTFCONVERT_CMD}
235
236.cc .cpp .cxx .C:
237	${CXX} ${CXXFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
238
239.cc.o .cpp.o .cxx.o .C.o:
240	${CXX} ${CXXFLAGS} -c ${.IMPSRC}
241
242.m.o:
243	${OBJC} ${OBJCFLAGS} -c ${.IMPSRC}
244	${CTFCONVERT_CMD}
245
246.p.o:
247	${PC} ${PFLAGS} -c ${.IMPSRC}
248	${CTFCONVERT_CMD}
249
250.e .r .F .f:
251	${FC} ${RFLAGS} ${EFLAGS} ${FFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} \
252	    -o ${.TARGET}
253
254.e.o .r.o .F.o .f.o:
255	${FC} ${RFLAGS} ${EFLAGS} ${FFLAGS} -c ${.IMPSRC}
256
257.S.o:
258	${CC} ${CFLAGS} ${ACFLAGS} -c ${.IMPSRC}
259	${CTFCONVERT_CMD}
260
261.asm.o:
262	${CC} -x assembler-with-cpp ${CFLAGS} ${ACFLAGS} -c ${.IMPSRC}
263	${CTFCONVERT_CMD}
264
265.s.o:
266	${AS} ${AFLAGS} -o ${.TARGET} ${.IMPSRC}
267	${CTFCONVERT_CMD}
268
269# XXX not -j safe
270.y.o:
271	${YACC} ${YFLAGS} ${.IMPSRC}
272	${CC} ${CFLAGS} -c y.tab.c -o ${.TARGET}
273	rm -f y.tab.c
274	${CTFCONVERT_CMD}
275
276.l.o:
277	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.PREFIX}.tmp.c
278	${CC} ${CFLAGS} -c ${.PREFIX}.tmp.c -o ${.TARGET}
279	rm -f ${.PREFIX}.tmp.c
280	${CTFCONVERT_CMD}
281
282# XXX not -j safe
283.y.c:
284	${YACC} ${YFLAGS} ${.IMPSRC}
285	mv y.tab.c ${.TARGET}
286
287.l.c:
288	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.TARGET}
289
290.s.out .c.out .o.out:
291	${CC} ${CFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
292	${CTFCONVERT_CMD}
293
294.f.out .F.out .r.out .e.out:
295	${FC} ${EFLAGS} ${RFLAGS} ${FFLAGS} ${LDFLAGS} ${.IMPSRC} \
296	    ${LDLIBS} -o ${.TARGET}
297	rm -f ${.PREFIX}.o
298	${CTFCONVERT_CMD}
299
300# XXX not -j safe
301.y.out:
302	${YACC} ${YFLAGS} ${.IMPSRC}
303	${CC} ${CFLAGS} ${LDFLAGS} y.tab.c ${LDLIBS} -ly -o ${.TARGET}
304	rm -f y.tab.c
305	${CTFCONVERT_CMD}
306
307.l.out:
308	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.PREFIX}.tmp.c
309	${CC} ${CFLAGS} ${LDFLAGS} ${.PREFIX}.tmp.c ${LDLIBS} -ll -o ${.TARGET}
310	rm -f ${.PREFIX}.tmp.c
311	${CTFCONVERT_CMD}
312
313# Pull in global settings.
314__MAKE_CONF?=/etc/make.conf
315.if exists(${__MAKE_CONF})
316.include "${__MAKE_CONF}"
317.endif
318
319# Setup anything for the FreeBSD source build, if we're building
320# inside the source tree. Needs to be after make.conf, but before
321# local stuff.
322.sinclude <src.sys.mk>
323
324# Set any local definitions first. Place this early, but it needs
325# MACHINE_CPUARCH to be defined.
326.sinclude <local.sys.mk>
327
328.if defined(__MAKE_SHELL) && !empty(__MAKE_SHELL)
329SHELL=	${__MAKE_SHELL}
330.SHELL: path=${__MAKE_SHELL}
331.endif
332
333.if !defined(.PARSEDIR)
334# We are not bmake, which is more aggressive about searching .PATH
335# It is sometime necessary to curb its enthusiasm with .NOPATH
336# The following allows us to quietly ignore .NOPATH when not using bmake.
337.NOTMAIN: .NOPATH
338.NOPATH:
339
340# Toggle on warnings
341.WARN: dirsyntax
342.else # is bmake
343# Tell bmake to expand -V VAR by default
344.MAKE.EXPAND_VARIABLES= yes
345
346# Tell bmake the makefile preference
347.MAKE.MAKEFILE_PREFERENCE= BSDmakefile makefile Makefile
348
349# By default bmake does *not* use set -e
350# when running target scripts, this is a problem for many makefiles here.
351# So define a shell that will do what FreeBSD expects.
352.ifndef WITHOUT_SHELL_ERRCTL
353.SHELL: name=sh \
354	quiet="set -" echo="set -v" filter="set -" \
355	hasErrCtl=yes check="set -e" ignore="set +e" \
356	echoFlag=v errFlag=e \
357	path=${__MAKE_SHELL:U/bin/sh}
358.endif
359.endif # bmake
360
361.include <bsd.cpu.mk>
362
363.endif # ! Posix
364