1 # Makefile for uClibc NPTL
3 # Copyright (C) 2005-2006 Steven J. Hill <sjhill@realitydiluted.com>
5 # Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
8 subdirs
+= libpthread
/nptl
10 libpthread_DIR
= $(top_srcdir
)libpthread
/nptl
11 libpthread_OUT
= $(top_builddir
)libpthread
/nptl
13 include $(libpthread_DIR
)/sysdeps
/Makefile.in
15 libc-shared-routines-y
= forward.c libc-cancellation.c
16 libc-static-routines-y
= alloca_cutoff.c libc-cancellation.c
17 libpthread-shared-only-routines-y
= version.c
18 libpthread-static-only-routines-y
= pthread_atfork.c
19 libpthread-routines-
+= $(notdir $(wildcard $(libpthread_DIR
)/gen_
*.c
)) # dummy generated files
20 libpthread-routines-
+= allocatestack.c
# dummy included by pthread_create.c
21 libpthread-routines-
+= pthread_mutex_getprioceiling.c pthread_mutex_setprioceiling.c
# XXX: delete those or use them!
22 libpthread-routines-
$(UCLIBC_HAS_RESOLVER_SUPPORT
) += res.c
23 libpthread-routines-
$(UCLIBC_SUSV4_LEGACY
) += pthread_getconcurrency.c \
24 pthread_setconcurrency.c
25 libpthread_CSRC
= $(filter-out $(libpthread-routines-
) \
26 $(libc-shared-routines-y
) \
27 $(libc-static-routines-y
) \
28 $(libpthread-shared-only-routines-y
) \
29 $(libpthread-static-only-routines-y
) \
30 $(notdir $(libpthread_OBJS
:.o
=.c
)), \
31 $(notdir $(wildcard $(libpthread_DIR
)/*.c
)))
33 libpthread_OBJS
+= $(addprefix $(libpthread_OUT
)/,$(libpthread_CSRC
:.c
=.o
))
34 libpthread-so-y
+= $(addprefix $(libpthread_OUT
)/,$(libpthread-shared-only-routines-y
:.c
=.oS
))
35 libpthread-so-y
+= $(libpthread_OBJS
:.o
=.oS
)
36 libpthread-nonshared-y
:= $(addprefix $(libpthread_OUT
)/,$(libpthread-static-only-routines-y
:.c
=.oS
))
37 libpthread-static-y
:= $(addprefix $(libpthread_OUT
)/,$(libpthread-static-only-routines-y
:.c
=.o
))
38 libpthread-static-y
+= $(libpthread_OBJS
)
40 libpthread-a-y
:= $(libpthread-static-y
:.o
=.os
)
42 libpthread-a-y
:= $(libpthread-static-y
)
45 libc-shared-routines-y
:= $(filter-out $(notdir $(libpthread_libc_OBJS
:.o
=.c
)), $(libc-shared-routines-y
))
46 libc-static-routines-y
:= $(filter-out $(notdir $(libpthread_libc_OBJS
:.o
=.c
)), $(libc-static-routines-y
))
47 libc-shared-routines-y
:= $(addprefix $(libpthread_OUT
)/,$(libc-shared-routines-y
:.c
=.oS
))
48 libc-static-routines-y
:= $(addprefix $(libpthread_OUT
)/,$(libc-static-routines-y
:.c
=.o
))
49 libc-shared-y
+= $(libc-shared-routines-y
) $(libpthread_libc_OBJS
:.o
=.oS
)
51 libc-static-y
+= $(libc-static-routines-y
:.o
=.os
) $(libpthread_libc_a_OBJS
:.o
=.os
) $(libpthread_ld_tls_COBJ
:.o
=.os
)
53 libc-static-y
+= $(libc-static-routines-y
) $(libpthread_libc_a_OBJS
) $(libpthread_ld_tls_COBJ
)
56 librt-pt-routines-y
:= $(patsubst %.c
,$(libpthread_pthread_OUT
)/%.o
,$(filter-out $(notdir $(libpthread_librt_OBJS
:.o
=.c
)), $(librt-pt-routines-y
)))
57 librt-pt-shared-only-routines-y
:= $(patsubst %.c
,$(libpthread_pthread_OUT
)/%.o
,$(filter-out $(notdir $(libpthread_librt_OBJS
:.o
=.c
)), $(librt-pt-shared-only-routines-y
)))
58 librt_OBJS
= $(libpthread_librt_OBJS
) $(librt-pt-routines-y
)
60 librt-a-y
+= $(librt_OBJS
:.o
=.os
)
62 librt-a-y
+= $(librt_OBJS
)
64 librt-so-y
+= $(librt_OBJS
:.o
=.oS
) $(librt-pt-shared-only-routines-y
:.o
=.oS
)
66 ifeq ($(UCLIBC_CTOR_DTOR
),y
)
67 START_FILE-libpthread.so
:= $(top_builddir
)libpthread
/nptl
/sysdeps
/pthread
/pt-crti.o
68 END_FILE-libpthread.so
:= $(top_builddir
)libpthread
/nptl
/sysdeps
/pthread
/pt-crtn.o
69 LDFLAGS-libpthread.so
+= -nostartfiles
70 $(top_builddir
)lib
/libpthread.so
: |
$(START_FILE-libpthread.so
) $(END_FILE-libpthread.so
)
73 libpthread_FULL_NAME
:= libpthread-
$(VERSION
).so
74 lib-a-
$(UCLIBC_HAS_THREADS
) += $(top_builddir
)lib
/libpthread.a
75 lib-so-
$(UCLIBC_HAS_THREADS
) += $(top_builddir
)lib
/libpthread.so
77 $(top_builddir
)lib
/libpthread.so
: $(libpthread_OUT
)/libpthread_so.a
$(libc.depend
) $(libdl.depend
) $(top_builddir
)lib
/libpthread_nonshared.a
78 $(call link.so
,$(libpthread_FULL_NAME
),$(ABI_VERSION
))
79 $(Q
)cat
$(top_srcdir
)extra
/scripts
/format.lds
> $@.tmp
80 $(Q
)echo
"GROUP ( $(notdir $@).$(ABI_VERSION) libpthread_nonshared.a )" >> $@.tmp
83 ifeq ($(PTHREADS_DEBUG_SUPPORT
),y
)
84 $(libpthread_OUT
)/libpthread_so.a
: STRIP_FLAGS
:=$(STRIP_FLAGS
:-x
=-X
--strip-debug
)
86 $(libpthread_OUT
)/libpthread_so.a
: $(libpthread-so-y
)
90 $(top_builddir
)lib
/libpthread.a
: $(libpthread-a-y
)
91 $(Q
)$(INSTALL
) -d
$(dir $@
)
95 $(libpthread_OUT
)/pthread-errnos.h
: $(top_srcdir
)extra
/scripts
/gen-as-const.awk
96 $(libpthread_OUT
)/pthread-errnos.h
: $(libpthread_DIR
)/pthread-errnos.sym
98 $(do_awk
) $(top_srcdir
)extra
/scripts
/gen-as-const.awk
$< \
99 |
$(CC
) $(CFLAGS
) -x c
- -S
-o
- \
100 |
$(SED
) $(PTHREAD_GENERATE_MANGLE
) > $@
101 @if
test ! -s
$@
; then
rm -f
$@
; false
; fi
103 pregen-headers-
$(UCLIBC_HAS_THREADS_NATIVE
) += $(libpthread_OUT
)/pthread-errnos.h
105 headers-
$(UCLIBC_HAS_THREADS_NATIVE
) += $(nptl_headers_bootstrap
)
107 libpthread_H
:= $(addprefix $(top_builddir
)include/,semaphore.h
)
108 libpthread_include_H
:= $(addprefix $(top_builddir
)include/,pthread.h
)
109 libpthread_include_BITS_H
:= $(addprefix $(top_builddir
)include/bits
/,libc-lock.h stdio-lock.h
)
110 libpthread_include_STD_IMPL_OS_ARCH_BITS_H
:= $(addprefix $(top_builddir
)include/bits
/,pthreadtypes.h semaphore.h
)
112 $(libpthread_include_STD_IMPL_OS_ARCH_BITS_H
): $(top_builddir
)include/bits
/%:
113 $(do_ln
) $(call rel_srcdir
)$(PTDIR
)/sysdeps
/unix
/sysv
/linux
/$(TARGET_ARCH
)/bits
/$(@F
) $@
114 $(libpthread_include_BITS_H
): $(top_builddir
)include/bits
/%:
115 $(do_ln
) $(call rel_srcdir
)$(PTDIR
)/sysdeps
/pthread
/bits
/$(@F
) $@
116 $(libpthread_include_H
): $(top_builddir
)include/%:
117 $(do_ln
) $(call rel_srcdir
)$(PTDIR
)/sysdeps
/pthread
/$(@F
) $@
118 $(libpthread_H
): $(top_builddir
)include/%:
119 $(do_ln
) $(call rel_srcdir
)$(PTDIR
)/$(@F
) $@
121 nptl_headers_bootstrap
= $(libpthread_H
) $(libpthread_include_H
) $(libpthread_include_BITS_H
) $(libpthread_include_STD_IMPL_OS_ARCH_BITS_H
)
123 objclean-y
+= CLEAN_libpthread
/nptl
124 headers_clean-y
+= HEADERCLEAN_libpthread
/nptl
126 HEADERCLEAN_libpthread
/nptl
:
127 $(do_rm
) $(nptl_headers_bootstrap
) \
128 $(libpthread_OUT
)/pthread-errnos.h
130 CLEAN_libpthread
/nptl
:
131 $(do_rm
) $(addprefix $(libpthread_OUT
)/*.
, o os oS a
)
133 ifeq ($(PTHREADS_DEBUG_SUPPORT
),y
)
134 LDFLAGS-libpthread.so
+= $(LDFLAGS_NOSTRIP
) -Wl
,-z
,defs
136 LDFLAGS-libpthread.so
+= $(LDFLAGS
)
139 LDFLAGS-libpthread.so
+= $(top_builddir
)lib
/$(UCLIBC_LDSO_NAME
)-$(VERSION
).so
$(top_builddir
)lib
/libdl-
$(VERSION
).so \
140 -Wl
,-z
,nodelete
,-z
,initfirst
,-init
=$(SYMBOL_PREFIX
)__pthread_initialize_minimal_internal
142 LIBS-libpthread.so
:= $(LIBS
)
144 CFLAGS-dir_nptl
:= -DNOT_IN_libc
-DIS_IN_libpthread
145 CFLAGS-libpthread
/nptl
:= $(CFLAGS-dir_nptl
) $(SSP_ALL_CFLAGS
)
147 # Since cancellation handling is in large parts handled using exceptions
148 # we have to compile some files with exception handling enabled, some
149 # even with asynchronous unwind tables.
151 # init.c contains sigcancel_handler().
152 CFLAGS-init.c
= -fexceptions
-fasynchronous-unwind-tables
153 # The unwind code itself,
154 CFLAGS-unwind.c
= -fexceptions
155 CFLAGS-unwind-forcedunwind.c
= -fexceptions
-fasynchronous-unwind-tables
157 # The following three functions must be async-cancel safe.
158 CFLAGS-pthread_cancel.c
= -fexceptions
-fasynchronous-unwind-tables
159 CFLAGS-pthread_setcancelstate.c
= -fexceptions
-fasynchronous-unwind-tables
160 CFLAGS-pthread_setcanceltype.c
= -fexceptions
-fasynchronous-unwind-tables
162 # These are internal functions which similar functionality as setcancelstate
164 CFLAGS-cancellation.c
= -fasynchronous-unwind-tables
165 CFLAGS-libc-cancellation.c
= -fasynchronous-unwind-tables
167 # Calling pthread_exit() must cause the registered cancel handlers to
168 # be executed. Therefore exceptions have to be thrown through this
170 CFLAGS-pthread_exit.c
= -fexceptions
172 # Among others, __pthread_unwind is forwarded. This function must handle
174 CFLAGS-forward.c
= -fexceptions
176 # The following are cancellation points. Some of the functions can
177 # block and therefore temporarily enable asynchronous cancellation.
178 # Those must be compiled asynchronous unwind tables.
179 CFLAGS-pthread_testcancel.c
= -fexceptions
180 CFLAGS-pthread_join.c
= -fexceptions
-fasynchronous-unwind-tables
181 CFLAGS-pthread_timedjoin.c
= -fexceptions
-fasynchronous-unwind-tables
182 CFLAGS-pthread_once.c
= $(uses-callbacks
) -fexceptions \
183 -fasynchronous-unwind-tables
184 CFLAGS-pthread_cond_wait.c
= -fexceptions
-fasynchronous-unwind-tables
185 CFLAGS-pthread_cond_timedwait.c
= -fexceptions
-fasynchronous-unwind-tables
186 CFLAGS-sem_wait.c
= -fexceptions
-fasynchronous-unwind-tables
187 CFLAGS-sem_timedwait.c
= -fexceptions
-fasynchronous-unwind-tables
189 # These are the function wrappers we have to duplicate here.
190 CFLAGS-fcntl.c
= -fexceptions
-fasynchronous-unwind-tables
191 CFLAGS-lockf.c
= -fexceptions
192 CFLAGS-pread.c
= -fexceptions
-fasynchronous-unwind-tables
193 CFLAGS-pread64.c
= -fexceptions
-fasynchronous-unwind-tables
194 CFLAGS-pwrite.c
= -fexceptions
-fasynchronous-unwind-tables
195 CFLAGS-pwrite64.c
= -fexceptions
-fasynchronous-unwind-tables
196 CFLAGS-wait.c
= -fexceptions
-fasynchronous-unwind-tables
197 CFLAGS-waitpid.c
= -fexceptions
-fasynchronous-unwind-tables
198 CFLAGS-sigwait.c
= -fexceptions
-fasynchronous-unwind-tables
199 CFLAGS-msgrcv.c
= -fexceptions
-fasynchronous-unwind-tables
200 CFLAGS-msgsnd.c
= -fexceptions
-fasynchronous-unwind-tables
201 CFLAGS-tcdrain.c
= -fexceptions
-fasynchronous-unwind-tables
203 CFLAGS-pt-system.c
= -fexceptions
-I
$(top_srcdir
)libc
/stdlib
206 # The rest of this file is uClibc specific.
208 CFLAGS-pthread_barrier_init.c
= -D_GNU_SOURCE
209 CFLAGS-pthread_barrier_destroy.c
= -D_GNU_SOURCE
210 CFLAGS-pthread_barrierattr_init.c
= -D_GNU_SOURCE
211 CFLAGS-pthread_barrierattr_destroy.c
= -D_GNU_SOURCE
212 CFLAGS-pthread_barrierattr_getpshared.c
= -D_GNU_SOURCE
213 CFLAGS-pthread_barrierattr_setpshared.c
= -D_GNU_SOURCE
214 CFLAGS-sem_open.c
= -D_GNU_SOURCE
216 CFLAGS-OMIT-alloca_cutoff.c
= $(CFLAGS-dir_nptl
)
217 CFLAGS-OMIT-forward.c
= $(CFLAGS-dir_nptl
)
218 CFLAGS-OMIT-libc-lowlevelock.c
= $(CFLAGS-dir_nptl
)
219 CFLAGS-OMIT-libc-cancellation.c
= $(CFLAGS-dir_nptl
)
