1#	$NetBSD: Makefile,v 1.98 2023/09/14 03:17:02 rin Exp $
2#
3
4NOSANITIZER=	# defined
5WARNS?=	5
6LIB=	pthread
7
8.include <bsd.own.mk>
9
10USE_SHLIBDIR=	yes
11
12.if defined(PTHREAD_MACHINE_ARCH) && !empty(PTHREAD_MACHINE_ARCH) && \
13    exists(${.CURDIR}/arch/${PTHREAD_MACHINE_ARCH})
14ARCHSUBDIR=	${PTHREAD_MACHINE_ARCH}
15.elif defined(PTHREAD_MACHINE_CPU) && !empty(PTHREAD_MACHINE_CPU) && \
16    exists(${.CURDIR}/arch/${PTHREAD_MACHINE_CPU})
17ARCHSUBDIR=	${PTHREAD_MACHINE_CPU}
18.elif exists(${.CURDIR}/arch/${MACHINE_ARCH})
19ARCHSUBDIR=	${MACHINE_ARCH}
20.elif exists(${.CURDIR}/arch/${MACHINE_CPU})
21ARCHSUBDIR=	${MACHINE_CPU}
22.else
23.BEGIN:
24	@echo "WARNING: no ARCHSUBDIR for ${MACHINE_ARCH}/${MACHINE_CPU}; skipping..."
25.endif
26
27INCS=	pthread.h pthread_types.h pthread_queue.h
28INCSDIR=/usr/include
29
30.if defined(ARCHSUBDIR)
31
32ARCHDIR=	${.CURDIR}/arch/${ARCHSUBDIR}
33.PATH:	${ARCHDIR}
34
35CPPFLAGS+=	-I${ARCHDIR} -I${.CURDIR} -I${.OBJDIR} -D_LIBC -D_REENTRANT
36CPPFLAGS+=	-I${.CURDIR}/../libc/include
37CPPFLAGS+=	-D__LIBPTHREAD_SOURCE__ -D__LIBC_THREAD_STUBS
38
39# Since <pthread.h> is not used, allow declaring pthread_create and
40# friends locally.
41CWARNFLAGS.clang+=	-Wno-builtin-requires-header
42
43# XXX: This crappy poke at libc's internals needs to be fixed.
44CPPFLAGS+=-I${NETBSDSRCDIR}/sys -I${.CURDIR}/../libc
45
46# providing alternative MI implementations for creating an lwp is
47# possible by setting PTHREAD_MAKELWP.  Currently, alternatives are
48# set by the rumprun software stacks (see https://github.com/rumpkernel/rumprun )
49PTHREAD_MAKELWP?=	pthread_makelwp_netbsd.c
50
51#
52# NOTE: When you create a new file for libpthread, make sure that pthread.c
53# gets a reference to a symbol in that file.  Otherwise, Unix's stupid static
54# library semantics will end up discarding potentially important objects.
55#
56SRCS=	pthread.c
57SRCS+=	pthread_attr.c
58SRCS+=	pthread_barrier.c
59# used by rumprun-posix to work around symbol collisions
60.if ${PTHREAD_CANCELSTUB:Uyes} != "no"
61SRCS+=	pthread_cancelstub.c
62.endif
63SRCS+=	pthread_cond.c
64SRCS+=	pthread_getcpuclockid.c
65SRCS+=	pthread_lock.c
66SRCS+=	${PTHREAD_MAKELWP}
67SRCS+=	pthread_misc.c
68SRCS+=	pthread_mutex.c
69SRCS+=	pthread_once.c
70SRCS+=	pthread_rwlock.c
71SRCS+=	pthread_specific.c
72SRCS+=	pthread_spin.c
73SRCS+=	pthread_tsd.c
74SRCS+=	res_state.c
75.PATH: ${.CURDIR}/../librt
76SRCS+=	sem.c
77# Architecture-dependent files
78.if exists(${ARCHDIR}/pthread_md.S)
79SRCS+= pthread_md.S
80.endif
81.if exists(${ARCHDIR}/Makefile.inc)
82.include "${ARCHDIR}/Makefile.inc"
83.endif
84
85# The PTHREAD__COMPAT flag builds a libpthread that can be dropped
86# into a NetBSD 2/3/4 chroot with a NetBSD 5 or later kernel.
87# This makes threading work in the chroot, no other modifications
88# required.
89#
90.if defined(PTHREAD__COMPAT)
91SRCS+=		pthread_compat.c
92.PATH.c:	${.CURDIR}/../../common/lib/libc/arch/${ARCHSUBDIR}/atomic
93.PATH.S:	${.CURDIR}/../../common/lib/libc/arch/${ARCHSUBDIR}/atomic
94.PATH.c:	${.CURDIR}/../../common/lib/libc/atomic
95.PATH.c:	${.CURDIR}/../libc/misc
96.include "../../common/lib/libc/arch/${ARCHSUBDIR}/atomic/Makefile.inc"
97.endif
98
99ALIGN_FUNCTIONS=	${${ACTIVE_CC} == "gcc":? -falign-functions=32 :}
100
101# The TSD routines are used in the implementation of profiling, and so
102# can't be profiled themselves.
103COPTS.pthread_specific.c+=	${ALIGN_FUNCTIONS}
104pthread_specific.po: pthread_specific.o
105	${_MKTARGET_CREATE}
106	cp pthread_specific.o pthread_specific.po
107
108COPTS.pthread.c += -Wno-stack-protector -Wno-format-nonliteral
109COPTS.pthread_attr.c += -Wno-format-nonliteral
110
111MAN+=	affinity.3 pthread.3 \
112	pthread_attr.3 \
113	pthread_attr_get_np.3 \
114	pthread_attr_getdetachstate.3 \
115	pthread_attr_getguardsize.3 \
116	pthread_attr_getinheritsched.3 \
117	pthread_attr_getname_np.3 \
118	pthread_attr_getschedparam.3 \
119	pthread_attr_getscope.3 \
120	pthread_attr_getstack.3 \
121	pthread_attr_setcreatesuspend_np.3 \
122	pthread_barrier.3 pthread_barrierattr.3 \
123	pthread_cancel.3 pthread_cleanup_push.3 \
124	pthread_cond.3 pthread_condattr.3 \
125	pthread_create.3 pthread_detach.3 pthread_equal.3 \
126	pthread_curcpu_np.3 \
127	pthread_exit.3 \
128	pthread_getcpuclockid.3 \
129	pthread_getname_np.3 \
130	pthread_getspecific.3 pthread_join.3 \
131	pthread_key_create.3 pthread_kill.3 \
132	pthread_mutex.3 pthread_mutexattr.3 \
133	pthread_once.3 pthread_rwlock.3 pthread_rwlockattr.3 \
134	pthread_schedparam.3 pthread_self.3 \
135	pthread_sigmask.3 pthread_spin.3 \
136	pthread_suspend_np.3 pthread_testcancel.3
137
138MLINKS+=	pthread_attr_get_np.3 pthread_getattr_np.3
139MLINKS+=	affinity.3 pthread_setaffinity_np.3
140MLINKS+=	affinity.3 pthread_getaffinity_np.3
141
142MLINKS+=	pthread_attr.3 pthread_attr_init.3
143MLINKS+=	pthread_attr.3 pthread_attr_destroy.3
144
145MLINKS+=	pthread_attr_getdetachstate.3 pthread_attr_setdetachstate.3
146MLINKS+=	pthread_attr_getguardsize.3 pthread_attr_setguardsize.3
147MLINKS+=	pthread_attr_getinheritsched.3 pthread_attr_setinheritsched.3
148MLINKS+=	pthread_attr_getname_np.3 pthread_attr_setname_np.3
149
150MLINKS+=	pthread_attr_getschedparam.3 pthread_attr_setschedparam.3 \
151		pthread_attr_getschedparam.3 pthread_attr_getschedpolicy.3 \
152		pthread_attr_getschedparam.3 pthread_attr_setschedpolicy.3
153
154MLINKS+=	pthread_attr_getscope.3 pthread_attr_setscope.3
155
156MLINKS+=	pthread_attr_getstack.3 pthread_attr_setstack.3 \
157		pthread_attr_getstack.3 pthread_attr_getstacksize.3 \
158		pthread_attr_getstack.3 pthread_attr_setstacksize.3 \
159		pthread_attr_getstack.3 pthread_attr_getstackaddr.3 \
160		pthread_attr_getstack.3 pthread_attr_setstackaddr.3
161
162MLINKS+=	pthread_cleanup_push.3 pthread_cleanup_pop.3
163
164MLINKS+=	pthread_barrier.3 pthread_barrier_init.3
165MLINKS+=	pthread_barrier.3 pthread_barrier_destroy.3
166MLINKS+=	pthread_barrier.3 pthread_barrier_wait.3
167
168MLINKS+=	pthread_barrierattr.3 pthread_barrierattr_init.3
169MLINKS+=	pthread_barrierattr.3 pthread_barrierattr_destroy.3
170MLINKS+=	pthread_barrierattr.3 pthread_barrierattr_getpshared.3
171MLINKS+=	pthread_barrierattr.3 pthread_barrierattr_setpshared.3
172
173MLINKS+=	pthread_cond.3 pthread_cond_init.3
174MLINKS+=	pthread_cond.3 pthread_cond_destroy.3
175MLINKS+=	pthread_cond.3 pthread_cond_broadcast.3
176MLINKS+=	pthread_cond.3 pthread_cond_wait.3
177MLINKS+=	pthread_cond.3 pthread_cond_signal.3
178MLINKS+=	pthread_cond.3 pthread_cond_timedwait.3
179
180MLINKS+=	pthread_condattr.3 pthread_condattr_init.3
181MLINKS+=	pthread_condattr.3 pthread_condattr_destroy.3
182MLINKS+=	pthread_condattr.3 pthread_condattr_setclock.3
183MLINKS+=	pthread_condattr.3 pthread_condattr_getclock.3
184MLINKS+=	pthread_condattr.3 pthread_condattr_getpshared.3
185MLINKS+=	pthread_condattr.3 pthread_condattr_setpshared.3
186
187MLINKS+=	pthread_getname_np.3 pthread_setname_np.3
188MLINKS+=	pthread_getspecific.3 pthread_setspecific.3
189MLINKS+=	pthread_key_create.3 pthread_key_delete.3
190
191MLINKS+=	pthread_mutex.3 pthread_mutex_init.3
192MLINKS+=	pthread_mutex.3 pthread_mutex_destroy.3
193MLINKS+=	pthread_mutex.3 pthread_mutex_lock.3
194MLINKS+=	pthread_mutex.3 pthread_mutex_trylock.3
195MLINKS+=	pthread_mutex.3 pthread_mutex_unlock.3
196MLINKS+=	pthread_mutex.3 pthread_mutex_timedlock.3
197MLINKS+=	pthread_mutex.3	pthread_mutex_getprioceiling.3
198MLINKS+=	pthread_mutex.3	pthread_mutex_setprioceiling.3
199
200MLINKS+=	pthread_mutexattr.3 pthread_mutexattr_init.3
201MLINKS+=	pthread_mutexattr.3 pthread_mutexattr_destroy.3
202MLINKS+=	pthread_mutexattr.3 pthread_mutexattr_getpshared.3
203MLINKS+=	pthread_mutexattr.3 pthread_mutexattr_setpshared.3
204MLINKS+=	pthread_mutexattr.3 pthread_mutexattr_settype.3
205MLINKS+=	pthread_mutexattr.3 pthread_mutexattr_gettype.3
206MLINKS+=	pthread_mutexattr.3 pthread_mutexattr_getprotocol.3
207MLINKS+=	pthread_mutexattr.3 pthread_mutexattr_setprotocol.3
208MLINKS+=	pthread_mutexattr.3 pthread_mutexattr_getprioceiling.3
209MLINKS+=	pthread_mutexattr.3 pthread_mutexattr_setprioceiling.3
210
211MLINKS+=	pthread_rwlock.3 pthread_rwlock_init.3
212MLINKS+=	pthread_rwlock.3 pthread_rwlock_destroy.3
213MLINKS+=	pthread_rwlock.3 pthread_rwlock_rdlock.3
214MLINKS+=	pthread_rwlock.3 pthread_rwlock_wrlock.3
215MLINKS+=	pthread_rwlock.3 pthread_rwlock_unlock.3
216
217MLINKS+=	pthread_rwlock.3 pthread_rwlock_timedrdlock.3
218MLINKS+=	pthread_rwlock.3 pthread_rwlock_timedwrlock.3
219MLINKS+=	pthread_rwlock.3 pthread_rwlock_tryrdlock.3
220MLINKS+=	pthread_rwlock.3 pthread_rwlock_trywrlock.3
221
222MLINKS+=	pthread_rwlockattr.3 pthread_rwlockattr_init.3
223MLINKS+=	pthread_rwlockattr.3 pthread_rwlockattr_destroy.3
224MLINKS+=	pthread_rwlockattr.3 pthread_rwlockattr_getpshared.3
225MLINKS+=	pthread_rwlockattr.3 pthread_rwlockattr_setpshared.3
226
227MLINKS+=	pthread_spin.3 pthread_spin_init.3
228MLINKS+=	pthread_spin.3 pthread_spin_destroy.3
229MLINKS+=	pthread_spin.3 pthread_spin_lock.3
230MLINKS+=	pthread_spin.3 pthread_spin_trylock.3
231MLINKS+=	pthread_spin.3 pthread_spin_unlock.3
232
233MLINKS+=	pthread_schedparam.3 pthread_setschedparam.3
234MLINKS+=	pthread_schedparam.3 pthread_getschedparam.3
235MLINKS+=	pthread_suspend_np.3 pthread_resume_np.3
236MLINKS+=	pthread_testcancel.3 pthread_setcancelstate.3
237MLINKS+=	pthread_testcancel.3 pthread_setcanceltype.3
238
239# ISO C threads (ISO/IEC 9899:2011)
240
241SRCS+=		call_once.c cnd.c mtx.c thrd.c tss.c
242MAN+=		threads.3 call_once.3 cnd.3 mtx.3 thrd.3 tss.3
243
244MLINKS+=	call_once.3 ONCE_FLAG_INIT.3
245MLINKS+=	call_once.3 once_flag.3
246
247MLINKS+=	cnd.3 cnd_broadcast.3
248MLINKS+=	cnd.3 cnd_destroy.3
249MLINKS+=	cnd.3 cnd_init.3
250MLINKS+=	cnd.3 cnd_signal.3
251MLINKS+=	cnd.3 cnd_timedwait.3
252MLINKS+=	cnd.3 cnd_wait.3
253
254MLINKS+=	mtx.3 mtx_destroy.3
255MLINKS+=	mtx.3 mtx_init.3
256MLINKS+=	mtx.3 mtx_lock.3
257MLINKS+=	mtx.3 mtx_timedlock.3
258MLINKS+=	mtx.3 mtx_trylock.3
259MLINKS+=	mtx.3 mtx_unlock.3
260
261MLINKS+=	thrd.3 thrd_create.3
262MLINKS+=	thrd.3 thrd_current.3
263MLINKS+=	thrd.3 thrd_detach.3
264MLINKS+=	thrd.3 thrd_equal.3
265MLINKS+=	thrd.3 thrd_exit.3
266MLINKS+=	thrd.3 thrd_join.3
267MLINKS+=	thrd.3 thrd_sleep.3
268MLINKS+=	thrd.3 thrd_yield.3
269
270MLINKS+=	tss.3 TSS_DTOR_ITERATIONS.3
271MLINKS+=	tss.3 tss_create.3
272MLINKS+=	tss.3 tss_delete.3
273MLINKS+=	tss.3 tss_get.3
274MLINKS+=	tss.3 tss_set.3
275
276INCS+=		threads.h
277
278# PR lib/54001: create libpthread.a as a single large object, with all the
279# symbols in one section. ensures that if any libpthread function is used,
280# you get all of them from libpthread, and not the libc stubs.
281#
282# This makes -lpthread equivalent to -Wl,--whole-archive -lpthread
283
284__archivebuild: .USE
285	${_MKTARGET_BUILD}
286	@rm -f ${.TARGET}
287	${LD} -r -o ${.TARGET}.o `NM=${NM} ${LORDER} ${.ALLSRC:M*o} | ${TSORT}`
288	${AR} ${_ARFL} ${.TARGET} ${.TARGET}.o
289
290CLEANFILES+=	${_LIBS:=.o}
291
292.include <bsd.lib.mk>
293
294.else
295
296.include <bsd.man.mk>
297.include <bsd.files.mk>
298.include <bsd.inc.mk>
299
300.endif
301
302# WARNS=2 sets -Wcast-qual. This causes problems for one of
303# pthread_setspecific() and pthread_getspecific(), since the constness
304# of the argument to setspecific() has to be discarded *somewhere*
305# before returning it from getspecific().
306CWARNFLAGS+= -Wno-cast-qual
307