xref: /freebsd/share/mk/sys.mk (revision ec0e626bafb335b30c499d06066997f54b10c092)
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
70
71# cp(1) is used to copy source files to ${.OBJDIR}, make sure it can handle
72# read-only files as non-root by passing -f.
73CP		?=	cp -f
74
75DTRACE		?=	dtrace
76.if defined(CFLAGS) && (${CFLAGS:M-g} != "")
77CTFFLAGS	+=	-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		?=				# LDFLAGS is for CC,
126_LDFLAGS	=	${LDFLAGS:S/-Wl,//g}	# strip -Wl, for LD
127
128LINT		?=	lint
129LINTFLAGS	?=	-cghapbx
130LINTKERNFLAGS	?=	${LINTFLAGS}
131LINTOBJFLAGS	?=	-cghapbxu -i
132LINTOBJKERNFLAGS?=	${LINTOBJFLAGS}
133LINTLIBFLAGS	?=	-cghapbxu -C ${LIB}
134
135MAKE		?=	make
136
137.if !defined(%POSIX)
138NM		?=	nm
139
140OBJC		?=	cc
141OBJCFLAGS	?=	${OBJCINCLUDES} ${CFLAGS} -Wno-import
142
143OBJCOPY		?=	objcopy
144
145OBJDUMP		?=	objdump
146
147PC		?=	pc
148PFLAGS		?=
149
150RC		?=	f77
151RFLAGS		?=
152.endif
153
154SHELL		?=	sh
155
156.if !defined(%POSIX)
157SIZE		?=	size
158.endif
159
160YACC		?=	yacc
161.if defined(%POSIX)
162YFLAGS		?=
163.else
164YFLAGS		?=	-d
165.endif
166
167.if defined(%POSIX)
168
169# Posix 1003.2 mandated rules
170#
171# Quoted directly from the Posix 1003.2 draft, only the macros
172# $@, $< and $* have been replaced by ${.TARGET}, ${.IMPSRC}, and
173# ${.PREFIX}, resp.
174
175# SINGLE SUFFIX RULES
176.c:
177	${CC} ${CFLAGS} ${LDFLAGS} -o ${.TARGET} ${.IMPSRC}
178
179.f:
180	${FC} ${FFLAGS} ${LDFLAGS} -o ${.TARGET} ${.IMPSRC}
181
182.sh:
183	cp -f ${.IMPSRC} ${.TARGET}
184	chmod a+x ${.TARGET}
185
186# DOUBLE SUFFIX RULES
187
188.c.o:
189	${CC} ${CFLAGS} -c ${.IMPSRC}
190
191.f.o:
192	${FC} ${FFLAGS} -c ${.IMPSRC}
193
194.y.o:
195	${YACC} ${YFLAGS} ${.IMPSRC}
196	${CC} ${CFLAGS} -c y.tab.c
197	rm -f y.tab.c
198	mv y.tab.o ${.TARGET}
199
200.l.o:
201	${LEX} ${LFLAGS} ${.IMPSRC}
202	${CC} ${CFLAGS} -c lex.yy.c
203	rm -f lex.yy.c
204	mv lex.yy.o ${.TARGET}
205
206.y.c:
207	${YACC} ${YFLAGS} ${.IMPSRC}
208	mv y.tab.c ${.TARGET}
209
210.l.c:
211	${LEX} ${LFLAGS} ${.IMPSRC}
212	mv lex.yy.c ${.TARGET}
213
214.c.a:
215	${CC} ${CFLAGS} -c ${.IMPSRC}
216	${AR} ${ARFLAGS} ${.TARGET} ${.PREFIX}.o
217	rm -f ${.PREFIX}.o
218
219.f.a:
220	${FC} ${FFLAGS} -c ${.IMPSRC}
221	${AR} ${ARFLAGS} ${.TARGET} ${.PREFIX}.o
222	rm -f ${.PREFIX}.o
223
224.else
225
226# non-Posix rule set
227
228.sh:
229	cp -fp ${.IMPSRC} ${.TARGET}
230	chmod a+x ${.TARGET}
231
232.c.ln:
233	${LINT} ${LINTOBJFLAGS} ${CFLAGS:M-[DIU]*} ${.IMPSRC} || \
234	    touch ${.TARGET}
235
236.cc.ln .C.ln .cpp.ln .cxx.ln:
237	${LINT} ${LINTOBJFLAGS} ${CXXFLAGS:M-[DIU]*} ${.IMPSRC} || \
238	    touch ${.TARGET}
239
240.c:
241	${CC} ${CFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
242	${CTFCONVERT_CMD}
243
244.c.o:
245	${CC} ${CFLAGS} -c ${.IMPSRC} -o ${.TARGET}
246	${CTFCONVERT_CMD}
247
248.cc .cpp .cxx .C:
249	${CXX} ${CXXFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
250
251.cc.o .cpp.o .cxx.o .C.o:
252	${CXX} ${CXXFLAGS} -c ${.IMPSRC} -o ${.TARGET}
253
254.m.o:
255	${OBJC} ${OBJCFLAGS} -c ${.IMPSRC} -o ${.TARGET}
256	${CTFCONVERT_CMD}
257
258.p.o:
259	${PC} ${PFLAGS} -c ${.IMPSRC} -o ${.TARGET}
260	${CTFCONVERT_CMD}
261
262.e .r .F .f:
263	${FC} ${RFLAGS} ${EFLAGS} ${FFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} \
264	    -o ${.TARGET}
265
266.e.o .r.o .F.o .f.o:
267	${FC} ${RFLAGS} ${EFLAGS} ${FFLAGS} -c ${.IMPSRC} -o ${.TARGET}
268
269.S.o:
270	${CC} ${CFLAGS} ${ACFLAGS} -c ${.IMPSRC} -o ${.TARGET}
271	${CTFCONVERT_CMD}
272
273.asm.o:
274	${CC} -x assembler-with-cpp ${CFLAGS} ${ACFLAGS} -c ${.IMPSRC} \
275	    -o ${.TARGET}
276	${CTFCONVERT_CMD}
277
278.s.o:
279	${AS} ${AFLAGS} -o ${.TARGET} ${.IMPSRC}
280	${CTFCONVERT_CMD}
281
282# XXX not -j safe
283.y.o:
284	${YACC} ${YFLAGS} ${.IMPSRC}
285	${CC} ${CFLAGS} -c y.tab.c -o ${.TARGET}
286	rm -f y.tab.c
287	${CTFCONVERT_CMD}
288
289.l.o:
290	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.PREFIX}.tmp.c
291	${CC} ${CFLAGS} -c ${.PREFIX}.tmp.c -o ${.TARGET}
292	rm -f ${.PREFIX}.tmp.c
293	${CTFCONVERT_CMD}
294
295# XXX not -j safe
296.y.c:
297	${YACC} ${YFLAGS} ${.IMPSRC}
298	mv y.tab.c ${.TARGET}
299
300.l.c:
301	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.TARGET}
302
303.s.out .c.out .o.out:
304	${CC} ${CFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
305	${CTFCONVERT_CMD}
306
307.f.out .F.out .r.out .e.out:
308	${FC} ${EFLAGS} ${RFLAGS} ${FFLAGS} ${LDFLAGS} ${.IMPSRC} \
309	    ${LDLIBS} -o ${.TARGET}
310	rm -f ${.PREFIX}.o
311	${CTFCONVERT_CMD}
312
313# XXX not -j safe
314.y.out:
315	${YACC} ${YFLAGS} ${.IMPSRC}
316	${CC} ${CFLAGS} ${LDFLAGS} y.tab.c ${LDLIBS} -ly -o ${.TARGET}
317	rm -f y.tab.c
318	${CTFCONVERT_CMD}
319
320.l.out:
321	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.PREFIX}.tmp.c
322	${CC} ${CFLAGS} ${LDFLAGS} ${.PREFIX}.tmp.c ${LDLIBS} -ll -o ${.TARGET}
323	rm -f ${.PREFIX}.tmp.c
324	${CTFCONVERT_CMD}
325
326# Pull in global settings.
327__MAKE_CONF?=/etc/make.conf
328.if exists(${__MAKE_CONF})
329.include "${__MAKE_CONF}"
330.endif
331
332# Setup anything for the FreeBSD source build, if we're building
333# inside the source tree. Needs to be after make.conf, but before
334# local stuff.
335.sinclude <src.sys.mk>
336
337# Set any local definitions first. Place this early, but it needs
338# MACHINE_CPUARCH to be defined.
339.sinclude <local.sys.mk>
340
341.if defined(__MAKE_SHELL) && !empty(__MAKE_SHELL)
342SHELL=	${__MAKE_SHELL}
343.SHELL: path=${__MAKE_SHELL}
344.endif
345
346.if !defined(.PARSEDIR)
347# We are not bmake, which is more aggressive about searching .PATH
348# It is sometime necessary to curb its enthusiasm with .NOPATH
349# The following allows us to quietly ignore .NOPATH when not using bmake.
350.NOTMAIN: .NOPATH
351.NOPATH:
352
353# Toggle on warnings
354.WARN: dirsyntax
355.else # is bmake
356# Tell bmake to expand -V VAR by default
357.MAKE.EXPAND_VARIABLES= yes
358
359# Tell bmake the makefile preference
360.MAKE.MAKEFILE_PREFERENCE= BSDmakefile makefile Makefile
361
362# By default bmake does *not* use set -e
363# when running target scripts, this is a problem for many makefiles here.
364# So define a shell that will do what FreeBSD expects.
365.ifndef WITHOUT_SHELL_ERRCTL
366.SHELL: name=sh \
367	quiet="set -" echo="set -v" filter="set -" \
368	hasErrCtl=yes check="set -e" ignore="set +e" \
369	echoFlag=v errFlag=e \
370	path=${__MAKE_SHELL:U/bin/sh}
371.endif
372.endif # bmake
373
374.include <bsd.cpu.mk>
375
376.endif # ! Posix
377