1 # Copyright (C) 1996-2003, 2004 Free Software Foundation, Inc.
2 # This file is part of the GNU C Library.
4 # The GNU C Library is free software; you can redistribute it and/or
5 # modify it under the terms of the GNU Lesser General Public
6 # License as published by the Free Software Foundation; either
7 # version 2.1 of the License, or (at your option) any later version.
9 # The GNU C Library is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 # Lesser General Public License for more details.
14 # You should have received a copy of the GNU Lesser General Public
15 # License along with the GNU C Library; if not, write to the Free
16 # Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
20 # Sub-makefile for linuxthreads portion of the library.
22 subdir
:= linuxthreads
24 all: # Make this the default target; it will be defined in Rules.
26 linuxthreads-version
:= $(shell sed
-n
's/^.*$(subdir)-\([0-9.]*\).*$$/\1/p' \
28 libpthread-abi-frozen
:= GLIBC_2.3
.2
30 headers
:= pthread.h semaphore.h
31 distribute
:= internals.h queue.h restart.h spinlock.h smp.h tst-signal.sh \
32 tst-cancel-wrappers.sh libc-tsd.c
34 routines
:= forward alloca_cutoff libc-cancellation libc_pthread_init
35 shared-only-routines
= forward
37 extra-libs
:= libpthread
38 extra-libs-others
:= $(extra-libs
)
39 install-lib-ldscripts
:= libpthread.so
41 libpthread-routines
:= attr cancel condvar
join manager mutex ptfork \
42 ptlongjmp pthread pt-sigsuspend signals specific errno \
43 lockfile semaphore spinlock rwlock pt-machine \
44 oldsemaphore events getcpuclockid pspinlock barrier \
45 ptclock_gettime ptclock_settime sighandler \
46 pthandles libc-tls-loc pt-allocrtsig \
47 ptw-write ptw-read ptw-close ptw-fcntl ptw-accept \
48 ptw-connect ptw-recv ptw-recvfrom ptw-recvmsg \
49 ptw-send ptw-sendmsg ptw-sendto ptw-fsync ptw-lseek \
50 ptw-lseek64 ptw-llseek ptw-msync ptw-nanosleep \
51 ptw-open ptw-open64 ptw-pause ptw-pread ptw-pread64 \
52 ptw-pwrite ptw-pwrite64 ptw-tcdrain ptw-wait \
53 ptw-waitpid pt-system old_pthread_atfork pthread_atfork \
55 # pthread_setuid pthread_seteuid pthread_setreuid \
57 # pthread_setgid pthread_setegid pthread_setregid \
60 # Don't generate deps for calls with no sources. See sysdeps/unix/Makefile.
61 omit-deps
= $(unix-syscalls
:%=ptw-
%)
63 libpthread-shared-only-routines
= pt-allocrtsig
64 libpthread-static-only-routines
= pthread_atfork
66 linuxthreads-CPPFLAGS
= -DIS_IN_linuxthreads
=1
68 CFLAGS-pthread_atfork.c
= -DNOT_IN_libc
70 nodelete-yes
= -Wl
,--enable-new-dtags
,-z
,nodelete
71 initfirst-yes
= -Wl
,--enable-new-dtags
,-z
,initfirst
72 LDFLAGS-pthread.so
= $(nodelete-
$(have-z-nodelete
)) \
73 $(initfirst-
$(have-z-initfirst
))
77 tst-cancel-ARGS
= "$(objpfx)"
78 CFLAGS-tst-cancel.c
= -fno-inline
-fno-inline-functions
82 ifeq ($(build-shared
),yes
)
84 # Set the `multidir' variable by grabbing the variable from the compiler.
85 # We do it once and save the result in a generated makefile.
86 -include $(objpfx
)multidir.mk
87 $(objpfx
)multidir.mk
: $(common-objpfx
)config.make
88 $(make-target-directory
)
89 dir=`$(CC) $(CFLAGS) $(CPPFLAGS) -print-multi-directory`; \
90 echo
"multidir := $$dir" > $@T
92 generated
+= multidir.mk
96 ifneq (,$(patsubst .
,,$(multidir
)))
97 generated-dirs
:= $(firstword $(subst /, , $(multidir
)))
98 crti-objs
+= $(multidir
)/crti.o
99 crtn-objs
+= $(multidir
)/crtn.o
100 omit-deps
+= $(multidir
)/crti
$(multidir
)/crtn
102 extra-objs
+= $(crti-objs
) $(crtn-objs
)
103 omit-deps
+= crti crtn
105 CFLAGS-pt-initfini.s
= -g0
-fPIC
-fno-inline-functions
$(fno-unit-at-a-time
)
108 librt-tests
= ex10 ex11 tst-clock1
109 tests
= ex1 ex2 ex3 ex4 ex5 ex6 ex7 ex8 ex9
$(librt-tests
) ex12 ex13 joinrace \
110 tststack
$(tests-nodelete-
$(have-z-nodelete
)) ecmutex ex14 ex15 ex16 \
111 ex17 ex18 tst-cancel tst-context bug-sleep \
112 tst-cancel1 tst-cancel2 tst-cancel3 tst-cancel4 tst-cancel5 \
113 tst-cancel6 tst-cancel7 tst-cancel8 tst-popen tst-popen2 tst-attr1 \
115 test-srcs
= tst-signal
116 # These tests are linked with libc before libpthread
117 tests-reverse
+= tst-cancel5
119 ifeq ($(build-static
),yes
)
120 tests
+= tststatic tst-static-locale tst-cancel-static
121 tests-static
+= tststatic tst-static-locale tst-cancel-static
124 ifeq (yes
,$(build-shared
))
125 tests-nodelete-yes
= unload
126 tests
+= tst-tls1 tst-_res1
129 modules-names
= tst-_res1mod1 tst-_res1mod2 \
130 tst-tls1mod tst-tls1moda tst-tls1modb tst-tls1modc \
131 tst-tls1modd tst-tls1mode tst-tls1modf
132 extra-objs
+= $(addsuffix .os
,$(strip $(modules-names
)))
133 generated
+= $(addsuffix .so
,$(strip $(modules-names
)))
134 test-extras
+= $(modules-names
)
135 test-modules
= $(addprefix $(objpfx
),$(addsuffix .so
,$(modules-names
)))
137 tst-tls1mod.so-no-z-defs
= yes
138 tst-tls1moda.so-no-z-defs
= yes
139 tst-tls1modb.so-no-z-defs
= yes
140 tst-tls1modc.so-no-z-defs
= yes
141 tst-tls1modd.so-no-z-defs
= yes
142 tst-tls1mode.so-no-z-defs
= yes
143 tst-tls1modf.so-no-z-defs
= yes
145 $(test-modules
): $(objpfx
)%.so
: $(objpfx
)%.os
$(common-objpfx
)shlib.lds
148 ifeq ($(build-shared
),yes
)
149 # Build all the modules even when not actually running test programs.
150 tests
: $(test-modules
)
153 # What we install as libpthread.so for programs to link against is in fact a
154 # link script. It contains references for the various libraries we need.
155 # The libpthread.so object is not complete since some functions are only defined
156 # in libpthread_nonshared.a.
157 # We need to use absolute paths since otherwise local copies (if they exist)
158 # of the files are taken by the linker.
159 install: $(inst_libdir
)/libpthread.so
160 $(inst_libdir
)/libpthread.so
: $(common-objpfx
)format.lds \
161 $(objpfx
)libpthread.so
$(libpthread.so-version
) \
162 $(inst_libdir
)/$(patsubst %,$(libtype.oS
),\
163 $(libprefix
)pthread
) \
165 (echo
'/* GNU ld script';\
166 echo
' Use the shared library, but some functions are only in';\
167 echo
' the static library, so try that secondarily. */';\
169 echo
'GROUP ( $(slibdir)/libpthread.so$(libpthread.so-version)' \
170 '$(libdir)/$(patsubst %,$(libtype.oS),$(libprefix)pthread)'\
176 extra-B-pthread.so
= -B
$(common-objpfx
)linuxthreads
/
177 $(objpfx
)libpthread.so
: $(addprefix $(objpfx
),$(crti-objs
) $(crtn-objs
))
178 $(objpfx
)libpthread.so
: +preinit
+= $(addprefix $(objpfx
),$(crti-objs
))
179 $(objpfx
)libpthread.so
: +postinit
+= $(addprefix $(objpfx
),$(crtn-objs
))
181 znodelete-yes
= -DHAVE_Z_NODELETE
182 CFLAGS-mutex.c
+= -D__NO_WEAK_PTHREAD_ALIASES
183 CFLAGS-specific.c
+= -D__NO_WEAK_PTHREAD_ALIASES
184 CFLAGS-pthread.c
+= -D__NO_WEAK_PTHREAD_ALIASES
$(znodelete-
$(have-z-nodelete
))
185 CFLAGS-ptfork.c
+= -D__NO_WEAK_PTHREAD_ALIASES
186 CFLAGS-cancel.c
+= -D__NO_WEAK_PTHREAD_ALIASES
-D_RPC_THREAD_SAFE_
187 CFLAGS-unload.c
+= -DPREFIX
=\"$(objpfx
)\"
188 CFLAGS-mutex.c
+= $(uses-callbacks
)
189 CFLAGS-sighandler.c
+= $(uses-callbacks
)
191 ifeq (yes
,$(versioning
))
192 -include $(common-objpfx
)tls.make
193 libc-ok-for-link
= $(use-thread
)
195 libc-ok-for-link
= yes
198 ifeq (no
,$(libc-ok-for-link
))
199 # These hacks are necessary to let us link against a libc.so that exports
200 # the symbols _errno, _h_errno, and _res. Those symbols are accessible
201 # in libc at runtime (dynamic linkable), but are not exported at link time
202 # so that applications cannot link against them. However, libpthread.so
203 # needs to link against them for its __errno_location et al functions to
204 # find the locations that libc's symbols resolve to. We cannot do this
205 # with aliases in libc.so(GLIBC_PRIVATE), because we need to refer to an
206 # executable's symbols when it defines them with copy relocs.
207 libc-link.so
= $(objpfx
)libc.so
209 $(objpfx
)libc_pic_lite.a
: $(common-objpfx
)libc_pic.a
211 $(AR
) d
$@T errno.os herrno.os res_libc.os
214 extra-objs
+= libc-tsd.os
215 $(objpfx
)libc_pic_lite.os
: $(objpfx
)libc_pic_lite.a
$(objpfx
)libc-tsd.os
216 $(LINK.o
) -nostdlib
-nostartfiles
-r
-o
$@ \
217 $(LDFLAGS-c_pic.os
) -Wl
,-d
-Wl
,--whole-archive
$^
219 # This trick leaves errno and h_errno undefined.
220 libc.so-no-z-defs
= yes
222 $(objpfx
)libc.so
: $(elfobjdir
)/soinit.os \
223 $(objpfx
)libc_pic_lite.os \
224 $(elfobjdir
)/sofini.os \
225 $(elfobjdir
)/interp.os
$(elfobjdir
)/ld.so
228 generated
+= libc_pic_lite.a libc_pic_lite.os libc.so libc-tsd.os
230 libc-link.so
= $(common-objpfx
)libc.so
235 # Depend on libc.so so a DT_NEEDED is generated in the shared objects.
236 # This ensures they will load libc.so for needed symbols if loaded by
237 # a statically-linked program that hasn't already loaded it.
238 # Depend on ld.so too to get proper versions of ld.so symbols.
239 $(objpfx
)libpthread.so
: $(libc-link.so
) $(common-objpfx
)libc_nonshared.a \
240 $(if
$(filter yes
,$(elf
)), $(elfobjdir
)/ld.so
)
242 # Make sure we link with the thread library.
243 ifeq ($(build-shared
),yes
)
244 $(addprefix $(objpfx
), \
245 $(filter-out $(tests-static
) $(tests-reverse
) unload
, \
246 $(tests
) $(test-srcs
))): $(objpfx
)libpthread.so \
247 $(objpfx
)libpthread_nonshared.a
248 # $(objpfx)../libc.so is used instead of $(common-objpfx)libc.so,
249 # since otherwise libpthread.so comes before libc.so when linking.
250 $(addprefix $(objpfx
), $(tests-reverse
)): \
251 $(objpfx
)..
/libc.so
$(objpfx
)libpthread.so \
252 $(objpfx
)libpthread_nonshared.a
253 $(objpfx
)..
/libc.so
: $(common-objpfx
)libc.so
;
254 $(addprefix $(objpfx
),$(librt-tests
)): $(common-objpfx
)rt
/librt.so
255 $(objpfx
)unload
: $(common-objpfx
)dlfcn
/libdl.so
256 $(objpfx
)unload.out
: $(objpfx
)libpthread.so
$(objpfx
)libpthread_nonshared.a
258 $(addprefix $(objpfx
),$(tests
) $(test-srcs
)): $(objpfx
)libpthread.a
259 $(addprefix $(objpfx
),$(librt-tests
)): $(common-objpfx
)rt
/librt.a
261 ifeq ($(build-bounded
),yes
)
262 $(tests
:%=$(objpfx
)%-bp
): $(objpfx
)libpthread_b.a
263 $(librt-tests
:%=$(objpfx
)%-bp
): $(common-objpfx
)rt
/librt_b.a
266 ifeq ($(build-static
),yes
)
267 $(addprefix $(objpfx
), $(tests-static
)): $(objpfx
)libpthread.a
270 ifeq ($(build-shared
),yes
)
271 vpath pt-initfini.c
$(full_config_sysdirs
)
273 $(objpfx
)pt-initfini.s
: pt-initfini.c
274 $(compile.c
) -S
$(CFLAGS-pt-initfini.s
) -finhibit-size-directive \
275 $(patsubst -f
%,-fno-
%,$(exceptions
)) -o
$@
277 # We only have one kind of startup code files. Static binaries and
278 # shared libraries are build using the PIC version.
279 $(objpfx
)crti.S
: $(objpfx
)pt-initfini.s
280 sed
-n
-e
'1,/@HEADER_ENDS/p' \
281 -e
'/@_.*_PROLOG_BEGINS/,/@_.*_PROLOG_ENDS/p' \
282 -e
'/@TRAILER_BEGINS/,$$p' $< > $@
283 $(objpfx
)crtn.S
: $(objpfx
)pt-initfini.s
284 sed
-n
-e
'1,/@HEADER_ENDS/p' \
285 -e
'/@_.*_EPILOG_BEGINS/,/@_.*_EPILOG_ENDS/p' \
286 -e
'/@TRAILER_BEGINS/,$$p' $< > $@
288 $(objpfx
)defs.h
: $(objpfx
)pt-initfini.s
289 sed
-n
-e
'/@TESTS_BEGIN/,/@TESTS_END/p' $< | \
290 $(AWK
) -f ..
/csu
/defs.awk
> $@
292 $(objpfx
)crti.o
: $(objpfx
)crti.S
$(objpfx
)defs.h
293 $(compile.S
) -g0
$(ASFLAGS-.os
) -o
$@
295 $(objpfx
)crtn.o
: $(objpfx
)crtn.S
$(objpfx
)defs.h
296 $(compile.S
) -g0
$(ASFLAGS-.os
) -o
$@
298 ifneq ($(multidir
),.
)
299 $(objpfx
)$(multidir
):
300 @mkdir
-p
$(objpfx
)$(multidir
)
302 $(objpfx
)$(multidir
)/crti.o
: $(objpfx
)crti.o
$(objpfx
)$(multidir
)
305 $(objpfx
)$(multidir
)/crtn.o
: $(objpfx
)crtn.o
$(objpfx
)$(multidir
)
309 generated
+= crti.S crtn.S defs.h pt-initfini.s libpthread_nonshared.a
312 ifeq (yes
,$(build-static-nss
))
313 otherlibs
+= $(nssobjdir
)/libnss_files.a
$(resolvobjdir
)/libnss_dns.a \
314 $(resolvobjdir
)/libresolv.a
317 ifeq (yes
,$(build-shared
))
318 $(objpfx
)tst-_res1mod2.so
: $(objpfx
)tst-_res1mod1.so
319 $(objpfx
)tst-_res1
: $(objpfx
)tst-_res1mod2.so
$(shared-thread-library
)
321 $(objpfx
)tst-tls1
: $(objpfx
)tst-tls1mod.so
$(shared-thread-library
)
323 tests
: $(objpfx
)tst-tls2.out
324 $(objpfx
)tst-tls2.out
: tst-tls2.sh
$(objpfx
)tst-tls1 \
325 $(objpfx
)tst-tls1moda.so
$(objpfx
)tst-tls1modb.so \
326 $(objpfx
)tst-tls1modc.so
$(objpfx
)tst-tls1modd.so \
327 $(objpfx
)tst-tls1mode.so
$(objpfx
)tst-tls1modf.so
328 $(SHELL
) -e tst-tls2.sh
$(common-objpfx
) $(elf-objpfx
) \
329 $(rtld-installed-name
)
330 generated
+= tst-tls2.out
333 ifeq (no
,$(cross-compiling
))
334 ifeq (yes
,$(build-shared
))
335 tests
: $(objpfx
)tst-signal.out
$(objpfx
)tst-cancel-wrappers.out
336 $(objpfx
)tst-signal.out
: tst-signal.sh
$(objpfx
)tst-signal
337 $(SHELL
) -e
$< $(common-objpfx
) > $@
338 $(objpfx
)tst-cancel-wrappers.out
: tst-cancel-wrappers.sh
339 $(SHELL
) $< $(common-objpfx
)/libc_pic.a \
340 $(common-objpfx
)/libc.a \
341 $(objpfx
)/libpthread_pic.a \
342 $(objpfx
)/libpthread.a
> $@
343 generated
+= tst-signal.out tst-cancel-wrappers.out