xref: /freebsd/share/mk/sys.mk (revision 18849b5da0c5eaa88500b457be05b038813b51b1)
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/:C/riscv64/riscv/}
17.endif
18
19
20# Some options we need now
21__DEFAULT_NO_OPTIONS= \
22	DIRDEPS_BUILD \
23	DIRDEPS_CACHE
24
25__DEFAULT_DEPENDENT_OPTIONS= \
26	AUTO_OBJ/DIRDEPS_BUILD \
27	META_MODE/DIRDEPS_BUILD \
28	STAGING/DIRDEPS_BUILD \
29	SYSROOT/DIRDEPS_BUILD
30
31__ENV_ONLY_OPTIONS:= \
32	${__DEFAULT_NO_OPTIONS} \
33	${__DEFAULT_YES_OPTIONS} \
34	${__DEFAULT_DEPENDENT_OPTIONS:H}
35
36# early include for customization
37# see local.sys.mk below
38# Not included when building in fmake compatibility mode (still needed
39# for older system support)
40.if defined(.PARSEDIR)
41.sinclude <local.sys.env.mk>
42
43.include <bsd.mkopt.mk>
44
45.if ${MK_DIRDEPS_BUILD} == "yes"
46.sinclude <meta.sys.mk>
47.elif ${MK_META_MODE} == "yes" && defined(.MAKEFLAGS) && ${.MAKEFLAGS:M-B} == ""
48# verbose will show .MAKE.META.PREFIX for each target.
49META_MODE=	meta verbose
50# silent will hide command output if a .meta file is created.
51.if !defined(NO_SILENT)
52META_MODE+=	silent=yes
53.endif
54.if !exists(/dev/filemon)
55META_MODE+= nofilemon
56.endif
57.endif
58META_MODE?= normal
59.export META_MODE
60.MAKE.MODE?= ${META_MODE}
61
62.if ${MK_AUTO_OBJ} == "yes"
63# This needs to be done early - before .PATH is computed
64# Don't do this for 'make showconfig' as it enables all options where meta mode
65# is not expected.
66.if !make(showconfig)
67.sinclude <auto.obj.mk>
68.endif
69.endif
70.else # bmake
71.include <bsd.mkopt.mk>
72.endif
73
74# If the special target .POSIX appears (without prerequisites or
75# commands) before the first noncomment line in the makefile, make shall
76# process the makefile as specified by the Posix 1003.2 specification.
77# make(1) sets the special macro %POSIX in this case (to the actual
78# value "1003.2", for what it's worth).
79#
80# The rules below use this macro to distinguish between Posix-compliant
81# and default behaviour.
82#
83# This functionality is currently broken, since make(1) processes sys.mk
84# before reading any other files, and consequently has no opportunity to
85# set the %POSIX macro before we read this point.
86
87.if defined(%POSIX)
88.SUFFIXES:	.o .c .y .l .a .sh .f
89.else
90.SUFFIXES:	.out .a .ln .o .c .cc .cpp .cxx .C .m .F .f .e .r .y .l .S .asm .s .cl .p .h .sh
91.endif
92
93AR		?=	ar
94.if defined(%POSIX)
95ARFLAGS		?=	-rv
96.else
97ARFLAGS		?=	-crD
98.endif
99RANLIB		?=	ranlib
100.if !defined(%POSIX)
101RANLIBFLAGS	?=	-D
102.endif
103
104AS		?=	as
105AFLAGS		?=
106ACFLAGS		?=
107
108.if defined(%POSIX)
109CC		?=	c89
110CFLAGS		?=	-O
111.else
112CC		?=	cc
113.if ${MACHINE_CPUARCH} == "arm" || ${MACHINE_CPUARCH} == "mips"
114CFLAGS		?=	-O -pipe
115.else
116CFLAGS		?=	-O2 -pipe
117.endif
118.if defined(NO_STRICT_ALIASING)
119CFLAGS		+=	-fno-strict-aliasing
120.endif
121.endif
122PO_CFLAGS	?=	${CFLAGS}
123
124# cp(1) is used to copy source files to ${.OBJDIR}, make sure it can handle
125# read-only files as non-root by passing -f.
126CP		?=	cp -f
127
128CPP		?=	cpp
129
130# C Type Format data is required for DTrace
131CTFFLAGS	?=	-L VERSION
132
133CTFCONVERT	?=	ctfconvert
134CTFMERGE	?=	ctfmerge
135
136.if defined(CFLAGS) && (${CFLAGS:M-g} != "")
137CTFFLAGS	+=	-g
138.endif
139
140CXX		?=	c++
141CXXFLAGS	?=	${CFLAGS:N-std=*:N-Wnested-externs:N-W*-prototypes:N-Wno-pointer-sign:N-Wold-style-definition}
142PO_CXXFLAGS	?=	${CXXFLAGS}
143
144DTRACE		?=	dtrace
145DTRACEFLAGS	?=	-C -x nolibs
146
147.if empty(.MAKEFLAGS:M-s)
148ECHO		?=	echo
149ECHODIR		?=	echo
150.else
151ECHO		?=	true
152.if ${.MAKEFLAGS:M-s} == "-s"
153ECHODIR		?=	echo
154.else
155ECHODIR		?=	true
156.endif
157.endif
158
159.if ${.MAKEFLAGS:M-N}
160# bmake -N is supposed to skip executing anything but it does not skip
161# exeucting '+' commands.  The '+' feature is used where .MAKE
162# is not safe for the entire target.  -N is intended to skip building sub-makes
163# so it executing '+' commands is not right.  Work around the bug by not
164# setting '+' when -N is used.
165_+_		?=
166.else
167_+_		?=	+
168.endif
169
170.if defined(%POSIX)
171FC		?=	fort77
172FFLAGS		?=	-O 1
173.else
174FC		?=	f77
175FFLAGS		?=	-O
176.endif
177EFLAGS		?=
178
179INSTALL		?=	install
180
181LEX		?=	lex
182LFLAGS		?=
183
184LD		?=	ld
185LDFLAGS		?=				# LDFLAGS is for CC,
186_LDFLAGS	=	${LDFLAGS:S/-Wl,//g}	# strip -Wl, for LD
187
188LINT		?=	lint
189LINTFLAGS	?=	-cghapbx
190LINTKERNFLAGS	?=	${LINTFLAGS}
191LINTOBJFLAGS	?=	-cghapbxu -i
192LINTOBJKERNFLAGS?=	${LINTOBJFLAGS}
193LINTLIBFLAGS	?=	-cghapbxu -C ${LIB}
194
195MAKE		?=	make
196
197.if !defined(%POSIX)
198NM		?=	nm
199NMFLAGS		?=
200
201OBJC		?=	cc
202OBJCFLAGS	?=	${OBJCINCLUDES} ${CFLAGS} -Wno-import
203
204OBJCOPY		?=	objcopy
205
206OBJDUMP		?=	objdump
207
208PC		?=	pc
209PFLAGS		?=
210
211RC		?=	f77
212RFLAGS		?=
213.endif
214
215SHELL		?=	sh
216
217.if !defined(%POSIX)
218SIZE		?=	size
219.endif
220
221YACC		?=	yacc
222.if defined(%POSIX)
223YFLAGS		?=
224.else
225YFLAGS		?=	-d
226.endif
227
228.if defined(%POSIX)
229
230# Posix 1003.2 mandated rules
231#
232# Quoted directly from the Posix 1003.2 draft, only the macros
233# $@, $< and $* have been replaced by ${.TARGET}, ${.IMPSRC}, and
234# ${.PREFIX}, resp.
235
236# SINGLE SUFFIX RULES
237.c:
238	${CC} ${CFLAGS} ${LDFLAGS} -o ${.TARGET} ${.IMPSRC}
239
240.f:
241	${FC} ${FFLAGS} ${LDFLAGS} -o ${.TARGET} ${.IMPSRC}
242
243.sh:
244	cp -f ${.IMPSRC} ${.TARGET}
245	chmod a+x ${.TARGET}
246
247# DOUBLE SUFFIX RULES
248
249.c.o:
250	${CC} ${CFLAGS} -c ${.IMPSRC}
251
252.f.o:
253	${FC} ${FFLAGS} -c ${.IMPSRC}
254
255.y.o:
256	${YACC} ${YFLAGS} ${.IMPSRC}
257	${CC} ${CFLAGS} -c y.tab.c
258	rm -f y.tab.c
259	mv y.tab.o ${.TARGET}
260
261.l.o:
262	${LEX} ${LFLAGS} ${.IMPSRC}
263	${CC} ${CFLAGS} -c lex.yy.c
264	rm -f lex.yy.c
265	mv lex.yy.o ${.TARGET}
266
267.y.c:
268	${YACC} ${YFLAGS} ${.IMPSRC}
269	mv y.tab.c ${.TARGET}
270
271.l.c:
272	${LEX} ${LFLAGS} ${.IMPSRC}
273	mv lex.yy.c ${.TARGET}
274
275.c.a:
276	${CC} ${CFLAGS} -c ${.IMPSRC}
277	${AR} ${ARFLAGS} ${.TARGET} ${.PREFIX}.o
278	rm -f ${.PREFIX}.o
279
280.f.a:
281	${FC} ${FFLAGS} -c ${.IMPSRC}
282	${AR} ${ARFLAGS} ${.TARGET} ${.PREFIX}.o
283	rm -f ${.PREFIX}.o
284
285.else
286
287# non-Posix rule set
288
289.sh:
290	cp -f ${.IMPSRC} ${.TARGET}
291	chmod a+x ${.TARGET}
292
293.c.ln:
294	${LINT} ${LINTOBJFLAGS} ${CFLAGS:M-[DIU]*} ${.IMPSRC} || \
295	    touch ${.TARGET}
296
297.cc.ln .C.ln .cpp.ln .cxx.ln:
298	${LINT} ${LINTOBJFLAGS} ${CXXFLAGS:M-[DIU]*} ${.IMPSRC} || \
299	    touch ${.TARGET}
300
301.c:
302	${CC} ${CFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
303	${CTFCONVERT_CMD}
304
305.c.o:
306	${CC} ${CFLAGS} -c ${.IMPSRC} -o ${.TARGET}
307	${CTFCONVERT_CMD}
308
309.cc .cpp .cxx .C:
310	${CXX} ${CXXFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
311
312.cc.o .cpp.o .cxx.o .C.o:
313	${CXX} ${CXXFLAGS} -c ${.IMPSRC} -o ${.TARGET}
314
315.m.o:
316	${OBJC} ${OBJCFLAGS} -c ${.IMPSRC} -o ${.TARGET}
317	${CTFCONVERT_CMD}
318
319.p.o:
320	${PC} ${PFLAGS} -c ${.IMPSRC} -o ${.TARGET}
321	${CTFCONVERT_CMD}
322
323.e .r .F .f:
324	${FC} ${RFLAGS} ${EFLAGS} ${FFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} \
325	    -o ${.TARGET}
326
327.e.o .r.o .F.o .f.o:
328	${FC} ${RFLAGS} ${EFLAGS} ${FFLAGS} -c ${.IMPSRC} -o ${.TARGET}
329
330.S.o:
331	${CC:N${CCACHE_BIN}} ${CFLAGS} ${ACFLAGS} -c ${.IMPSRC} -o ${.TARGET}
332	${CTFCONVERT_CMD}
333
334.asm.o:
335	${CC:N${CCACHE_BIN}} -x assembler-with-cpp ${CFLAGS} ${ACFLAGS} -c ${.IMPSRC} \
336	    -o ${.TARGET}
337	${CTFCONVERT_CMD}
338
339.s.o:
340	${AS} ${AFLAGS} -o ${.TARGET} ${.IMPSRC}
341	${CTFCONVERT_CMD}
342
343# XXX not -j safe
344.y.o:
345	${YACC} ${YFLAGS} ${.IMPSRC}
346	${CC} ${CFLAGS} -c y.tab.c -o ${.TARGET}
347	rm -f y.tab.c
348	${CTFCONVERT_CMD}
349
350.l.o:
351	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.PREFIX}.tmp.c
352	${CC} ${CFLAGS} -c ${.PREFIX}.tmp.c -o ${.TARGET}
353	rm -f ${.PREFIX}.tmp.c
354	${CTFCONVERT_CMD}
355
356# XXX not -j safe
357.y.c:
358	${YACC} ${YFLAGS} ${.IMPSRC}
359	mv y.tab.c ${.TARGET}
360
361.l.c:
362	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.TARGET}
363
364.s.out .c.out .o.out:
365	${CC} ${CFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
366	${CTFCONVERT_CMD}
367
368.f.out .F.out .r.out .e.out:
369	${FC} ${EFLAGS} ${RFLAGS} ${FFLAGS} ${LDFLAGS} ${.IMPSRC} \
370	    ${LDLIBS} -o ${.TARGET}
371	rm -f ${.PREFIX}.o
372	${CTFCONVERT_CMD}
373
374# XXX not -j safe
375.y.out:
376	${YACC} ${YFLAGS} ${.IMPSRC}
377	${CC} ${CFLAGS} ${LDFLAGS} y.tab.c ${LDLIBS} -ly -o ${.TARGET}
378	rm -f y.tab.c
379	${CTFCONVERT_CMD}
380
381.l.out:
382	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.PREFIX}.tmp.c
383	${CC} ${CFLAGS} ${LDFLAGS} ${.PREFIX}.tmp.c ${LDLIBS} -ll -o ${.TARGET}
384	rm -f ${.PREFIX}.tmp.c
385	${CTFCONVERT_CMD}
386
387# Pull in global settings.
388__MAKE_CONF?=/etc/make.conf
389.if exists(${__MAKE_CONF})
390.include "${__MAKE_CONF}"
391.endif
392
393# late include for customization
394.sinclude <local.sys.mk>
395
396.if defined(__MAKE_SHELL) && !empty(__MAKE_SHELL)
397SHELL=	${__MAKE_SHELL}
398.SHELL: path=${__MAKE_SHELL}
399.endif
400
401# Tell bmake to expand -V VAR by default
402.MAKE.EXPAND_VARIABLES= yes
403
404# Tell bmake the makefile preference
405.MAKE.MAKEFILE_PREFERENCE= BSDmakefile makefile Makefile
406
407# Tell bmake to always pass job tokens, regardless of target depending on
408# .MAKE or looking like ${MAKE}/${.MAKE}/$(MAKE)/$(.MAKE)/make.
409.MAKE.ALWAYS_PASS_JOB_QUEUE= yes
410
411# By default bmake does *not* use set -e
412# when running target scripts, this is a problem for many makefiles here.
413# So define a shell that will do what FreeBSD expects.
414.ifndef WITHOUT_SHELL_ERRCTL
415__MAKE_SHELL?=/bin/sh
416.SHELL: name=sh \
417	quiet="set -" echo="set -v" filter="set -" \
418	hasErrCtl=yes check="set -e" ignore="set +e" \
419	echoFlag=v errFlag=e \
420	path=${__MAKE_SHELL}
421.endif
422
423# Hack for ports compatibility. Historically, ports makefiles have
424# assumed they can examine MACHINE_CPU without including anything
425# because this was automatically included in sys.mk. For /usr/src,
426# this file has moved to being included from bsd.opts.mk. Until all
427# the ports files are modernized, and a reasonable transition
428# period has passed, include it while we're in a ports tree here
429# to preserve historic behavior.
430.if exists(${.CURDIR}/../../Mk/bsd.port.mk)
431.include <bsd.cpu.mk>
432.endif
433
434.endif # ! Posix
435