xref: /freebsd/share/mk/sys.mk (revision 5ae59dec60e3815b621ae87f74a377cf3449ca55)
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# 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		?=	-crD
43.endif
44RANLIB		?=	ranlib
45.if !defined(%POSIX)
46RANLIBFLAGS	?=	-D
47.endif
48
49AS		?=	as
50AFLAGS		?=
51ACFLAGS		?=
52
53.if defined(%POSIX)
54CC		?=	c89
55CFLAGS		?=	-O
56.else
57CC		?=	cc
58.if ${MACHINE_CPUARCH} == "arm" || ${MACHINE_CPUARCH} == "mips"
59CFLAGS		?=	-O -pipe
60.else
61CFLAGS		?=	-O2 -pipe
62.endif
63.if defined(NO_STRICT_ALIASING)
64CFLAGS		+=	-fno-strict-aliasing
65.endif
66.endif
67PO_CFLAGS	?=	${CFLAGS}
68
69# C Type Format data is required for DTrace
70CTFFLAGS	?=	-L VERSION
71
72CTFCONVERT	?=	ctfconvert
73CTFMERGE	?=	ctfmerge
74DTRACE		?=	dtrace
75.if defined(CFLAGS) && (${CFLAGS:M-g} != "")
76CTFFLAGS	+=	-g
77.endif
78
79CXX		?=	c++
80CXXFLAGS	?=	${CFLAGS:N-std=*:N-Wnested-externs:N-W*-prototypes:N-Wno-pointer-sign:N-Wold-style-definition}
81PO_CXXFLAGS	?=	${CXXFLAGS}
82
83CPP		?=	cpp
84
85.if empty(.MAKEFLAGS:M-s)
86ECHO		?=	echo
87ECHODIR		?=	echo
88.else
89ECHO		?=	true
90.if ${.MAKEFLAGS:M-s} == "-s"
91ECHODIR		?=	echo
92.else
93ECHODIR		?=	true
94.endif
95.endif
96
97.if defined(.PARSEDIR)
98# _+_ appears to be a workaround for the special src .MAKE not working.
99# setting it to + interferes with -N
100_+_		?=
101.elif !empty(.MAKEFLAGS:M-n) && ${.MAKEFLAGS:M-n} == "-n"
102# the check above matches only a single -n, so -n -n will result
103# in _+_ = +
104_+_		?=
105.else
106_+_		?=	+
107.endif
108
109.if defined(%POSIX)
110FC		?=	fort77
111FFLAGS		?=	-O 1
112.else
113FC		?=	f77
114FFLAGS		?=	-O
115.endif
116EFLAGS		?=
117
118INSTALL		?=	install
119
120LEX		?=	lex
121LFLAGS		?=
122
123LD		?=	ld
124LDFLAGS		?=
125
126LINT		?=	lint
127LINTFLAGS	?=	-cghapbx
128LINTKERNFLAGS	?=	${LINTFLAGS}
129LINTOBJFLAGS	?=	-cghapbxu -i
130LINTOBJKERNFLAGS?=	${LINTOBJFLAGS}
131LINTLIBFLAGS	?=	-cghapbxu -C ${LIB}
132
133MAKE		?=	make
134
135.if !defined(%POSIX)
136NM		?=	nm
137
138OBJC		?=	cc
139OBJCFLAGS	?=	${OBJCINCLUDES} ${CFLAGS} -Wno-import
140
141OBJCOPY		?=	objcopy
142
143PC		?=	pc
144PFLAGS		?=
145
146RC		?=	f77
147RFLAGS		?=
148.endif
149
150SHELL		?=	sh
151
152YACC		?=	yacc
153.if defined(%POSIX)
154YFLAGS		?=
155.else
156YFLAGS		?=	-d
157.endif
158
159.if defined(%POSIX)
160
161# Posix 1003.2 mandated rules
162#
163# Quoted directly from the Posix 1003.2 draft, only the macros
164# $@, $< and $* have been replaced by ${.TARGET}, ${.IMPSRC}, and
165# ${.PREFIX}, resp.
166
167# SINGLE SUFFIX RULES
168.c:
169	${CC} ${CFLAGS} ${LDFLAGS} -o ${.TARGET} ${.IMPSRC}
170
171.f:
172	${FC} ${FFLAGS} ${LDFLAGS} -o ${.TARGET} ${.IMPSRC}
173
174.sh:
175	cp -f ${.IMPSRC} ${.TARGET}
176	chmod a+x ${.TARGET}
177
178# DOUBLE SUFFIX RULES
179
180.c.o:
181	${CC} ${CFLAGS} -c ${.IMPSRC}
182
183.f.o:
184	${FC} ${FFLAGS} -c ${.IMPSRC}
185
186.y.o:
187	${YACC} ${YFLAGS} ${.IMPSRC}
188	${CC} ${CFLAGS} -c y.tab.c
189	rm -f y.tab.c
190	mv y.tab.o ${.TARGET}
191
192.l.o:
193	${LEX} ${LFLAGS} ${.IMPSRC}
194	${CC} ${CFLAGS} -c lex.yy.c
195	rm -f lex.yy.c
196	mv lex.yy.o ${.TARGET}
197
198.y.c:
199	${YACC} ${YFLAGS} ${.IMPSRC}
200	mv y.tab.c ${.TARGET}
201
202.l.c:
203	${LEX} ${LFLAGS} ${.IMPSRC}
204	mv lex.yy.c ${.TARGET}
205
206.c.a:
207	${CC} ${CFLAGS} -c ${.IMPSRC}
208	${AR} ${ARFLAGS} ${.TARGET} ${.PREFIX}.o
209	rm -f ${.PREFIX}.o
210
211.f.a:
212	${FC} ${FFLAGS} -c ${.IMPSRC}
213	${AR} ${ARFLAGS} ${.TARGET} ${.PREFIX}.o
214	rm -f ${.PREFIX}.o
215
216.else
217
218# non-Posix rule set
219
220.sh:
221	cp -fp ${.IMPSRC} ${.TARGET}
222	chmod a+x ${.TARGET}
223
224.c.ln:
225	${LINT} ${LINTOBJFLAGS} ${CFLAGS:M-[DIU]*} ${.IMPSRC} || \
226	    touch ${.TARGET}
227
228.cc.ln .C.ln .cpp.ln .cxx.ln:
229	${LINT} ${LINTOBJFLAGS} ${CXXFLAGS:M-[DIU]*} ${.IMPSRC} || \
230	    touch ${.TARGET}
231
232.c:
233	${CC} ${CFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
234	${CTFCONVERT_CMD}
235
236.c.o:
237	${CC} ${CFLAGS} -c ${.IMPSRC}
238	${CTFCONVERT_CMD}
239
240.cc .cpp .cxx .C:
241	${CXX} ${CXXFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
242
243.cc.o .cpp.o .cxx.o .C.o:
244	${CXX} ${CXXFLAGS} -c ${.IMPSRC}
245
246.m.o:
247	${OBJC} ${OBJCFLAGS} -c ${.IMPSRC}
248	${CTFCONVERT_CMD}
249
250.p.o:
251	${PC} ${PFLAGS} -c ${.IMPSRC}
252	${CTFCONVERT_CMD}
253
254.e .r .F .f:
255	${FC} ${RFLAGS} ${EFLAGS} ${FFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} \
256	    -o ${.TARGET}
257
258.e.o .r.o .F.o .f.o:
259	${FC} ${RFLAGS} ${EFLAGS} ${FFLAGS} -c ${.IMPSRC}
260
261.S.o:
262	${CC} ${CFLAGS} ${ACFLAGS} -c ${.IMPSRC}
263	${CTFCONVERT_CMD}
264
265.asm.o:
266	${CC} -x assembler-with-cpp ${CFLAGS} ${ACFLAGS} -c ${.IMPSRC}
267	${CTFCONVERT_CMD}
268
269.s.o:
270	${AS} ${AFLAGS} -o ${.TARGET} ${.IMPSRC}
271	${CTFCONVERT_CMD}
272
273# XXX not -j safe
274.y.o:
275	${YACC} ${YFLAGS} ${.IMPSRC}
276	${CC} ${CFLAGS} -c y.tab.c -o ${.TARGET}
277	rm -f y.tab.c
278	${CTFCONVERT_CMD}
279
280.l.o:
281	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.PREFIX}.tmp.c
282	${CC} ${CFLAGS} -c ${.PREFIX}.tmp.c -o ${.TARGET}
283	rm -f ${.PREFIX}.tmp.c
284	${CTFCONVERT_CMD}
285
286# XXX not -j safe
287.y.c:
288	${YACC} ${YFLAGS} ${.IMPSRC}
289	mv y.tab.c ${.TARGET}
290
291.l.c:
292	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.TARGET}
293
294.s.out .c.out .o.out:
295	${CC} ${CFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
296	${CTFCONVERT_CMD}
297
298.f.out .F.out .r.out .e.out:
299	${FC} ${EFLAGS} ${RFLAGS} ${FFLAGS} ${LDFLAGS} ${.IMPSRC} \
300	    ${LDLIBS} -o ${.TARGET}
301	rm -f ${.PREFIX}.o
302	${CTFCONVERT_CMD}
303
304# XXX not -j safe
305.y.out:
306	${YACC} ${YFLAGS} ${.IMPSRC}
307	${CC} ${CFLAGS} ${LDFLAGS} y.tab.c ${LDLIBS} -ly -o ${.TARGET}
308	rm -f y.tab.c
309	${CTFCONVERT_CMD}
310
311.l.out:
312	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.PREFIX}.tmp.c
313	${CC} ${CFLAGS} ${LDFLAGS} ${.PREFIX}.tmp.c ${LDLIBS} -ll -o ${.TARGET}
314	rm -f ${.PREFIX}.tmp.c
315	${CTFCONVERT_CMD}
316
317# FreeBSD build pollution.  Hide it in the non-POSIX part of the ifdef.
318__MAKE_CONF?=/etc/make.conf
319.if exists(${__MAKE_CONF})
320.include "${__MAKE_CONF}"
321.endif
322
323.if defined(__MAKE_SHELL) && !empty(__MAKE_SHELL)
324SHELL=	${__MAKE_SHELL}
325.SHELL: path=${__MAKE_SHELL}
326.endif
327
328.if !defined(.PARSEDIR)
329# We are not bmake, which is more aggressive about searching .PATH
330# It is sometime necessary to curb its enthusiasm with .NOPATH
331# The following allows us to quietly ignore .NOPATH when not using bmake.
332.NOTMAIN: .NOPATH
333.NOPATH:
334
335# Toggle on warnings
336.WARN: dirsyntax
337.else # is bmake
338# Tell bmake to expand -V VAR by default
339.MAKE.EXPAND_VARIABLES= yes
340
341# Tell bmake the makefile preference
342.MAKE.MAKEFILE_PREFERENCE= BSDmakefile makefile Makefile
343
344# By default bmake does *not* use set -e
345# when running target scripts, this is a problem for many makefiles here.
346# So define a shell that will do what FreeBSD expects.
347.ifndef WITHOUT_SHELL_ERRCTL
348.SHELL: name=sh \
349	quiet="set -" echo="set -v" filter="set -" \
350	hasErrCtl=yes check="set -e" ignore="set +e" \
351	echoFlag=v errFlag=e \
352	path=${__MAKE_SHELL:U/bin/sh}
353.endif
354.endif # bmake
355
356.include <bsd.cpu.mk>
357
358.endif # ! Posix
359