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 libpthread-nonshared
= pthread_atfork
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
)
83 others
: $(objpfx
)libpthread_nonshared.a
86 $(objpfx
)libpthread_nonshared.a
: $(addprefix $(objpfx
),$(addsuffix .os
,$(libpthread-nonshared
)))
87 $(AR
) $(ARFLAGS
) $@
$^
89 ifeq ($(build-shared
),yes
)
91 # Set the `multidir' variable by grabbing the variable from the compiler.
92 # We do it once and save the result in a generated makefile.
93 -include $(objpfx
)multidir.mk
94 $(objpfx
)multidir.mk
: $(common-objpfx
)config.make
95 $(make-target-directory
)
96 dir=`$(CC) $(CFLAGS) $(CPPFLAGS) -print-multi-directory`; \
97 echo
"multidir := $$dir" > $@T
99 generated
+= multidir.mk
103 ifneq (,$(patsubst .
,,$(multidir
)))
104 generated-dirs
:= $(firstword $(subst /, , $(multidir
)))
105 crti-objs
+= $(multidir
)/crti.o
106 crtn-objs
+= $(multidir
)/crtn.o
107 omit-deps
+= $(multidir
)/crti
$(multidir
)/crtn
109 extra-objs
+= $(crti-objs
) $(crtn-objs
)
110 omit-deps
+= crti crtn
112 CFLAGS-pt-initfini.s
= -g0
-fPIC
-fno-inline-functions
$(fno-unit-at-a-time
)
115 librt-tests
= ex10 ex11 tst-clock1
116 tests
= ex1 ex2 ex3 ex4 ex5 ex6 ex7 ex8 ex9
$(librt-tests
) ex12 ex13 joinrace \
117 tststack
$(tests-nodelete-
$(have-z-nodelete
)) ecmutex ex14 ex15 ex16 \
118 ex17 ex18 tst-cancel tst-context bug-sleep \
119 tst-cancel1 tst-cancel2 tst-cancel3 tst-cancel4 tst-cancel5 \
120 tst-cancel6 tst-cancel7 tst-cancel8 tst-popen tst-popen2 tst-attr1 \
122 test-srcs
= tst-signal
123 # These tests are linked with libc before libpthread
124 tests-reverse
+= tst-cancel5
126 ifeq ($(build-static
),yes
)
127 tests
+= tststatic tst-static-locale tst-cancel-static
128 tests-static
+= tststatic tst-static-locale tst-cancel-static
131 ifeq (yes
,$(build-shared
))
132 tests-nodelete-yes
= unload
133 tests
+= tst-tls1 tst-_res1
136 modules-names
= tst-_res1mod1 tst-_res1mod2 \
137 tst-tls1mod tst-tls1moda tst-tls1modb tst-tls1modc \
138 tst-tls1modd tst-tls1mode tst-tls1modf
139 extra-objs
+= $(addsuffix .os
,$(strip $(modules-names
)))
140 generated
+= $(addsuffix .so
,$(strip $(modules-names
)))
141 test-extras
+= $(modules-names
)
142 test-modules
= $(addprefix $(objpfx
),$(addsuffix .so
,$(modules-names
)))
144 tst-tls1mod.so-no-z-defs
= yes
145 tst-tls1moda.so-no-z-defs
= yes
146 tst-tls1modb.so-no-z-defs
= yes
147 tst-tls1modc.so-no-z-defs
= yes
148 tst-tls1modd.so-no-z-defs
= yes
149 tst-tls1mode.so-no-z-defs
= yes
150 tst-tls1modf.so-no-z-defs
= yes
152 $(test-modules
): $(objpfx
)%.so
: $(objpfx
)%.os
$(common-objpfx
)shlib.lds
155 ifeq ($(build-shared
),yes
)
156 # Build all the modules even when not actually running test programs.
157 tests
: $(test-modules
)
160 # What we install as libpthread.so for programs to link against is in fact a
161 # link script. It contains references for the various libraries we need.
162 # The libpthread.so object is not complete since some functions are only defined
163 # in libpthread_nonshared.a.
164 # We need to use absolute paths since otherwise local copies (if they exist)
165 # of the files are taken by the linker.
166 install: $(inst_libdir
)/libpthread.so
167 $(inst_libdir
)/libpthread.so
: $(common-objpfx
)format.lds \
168 $(objpfx
)libpthread.so
$(libpthread.so-version
) \
169 $(inst_libdir
)/$(patsubst %,$(libtype.oS
),\
170 $(libprefix
)pthread
) \
172 (echo
'/* GNU ld script';\
173 echo
' Use the shared library, but some functions are only in';\
174 echo
' the static library, so try that secondarily. */';\
176 echo
'GROUP ( $(slibdir)/libpthread.so$(libpthread.so-version)' \
177 '$(libdir)/$(patsubst %,$(libtype.oS),$(libprefix)pthread)'\
181 $(inst_libdir
)/libpthread_nonshared.a
: $(objpfx
)libpthread_nonshared.a
185 extra-B-pthread.so
= -B
$(common-objpfx
)linuxthreads
/
186 $(objpfx
)libpthread.so
: $(addprefix $(objpfx
),$(crti-objs
) $(crtn-objs
))
187 $(objpfx
)libpthread.so
: +preinit
+= $(addprefix $(objpfx
),$(crti-objs
))
188 $(objpfx
)libpthread.so
: +postinit
+= $(addprefix $(objpfx
),$(crtn-objs
))
190 znodelete-yes
= -DHAVE_Z_NODELETE
191 CFLAGS-mutex.c
+= -D__NO_WEAK_PTHREAD_ALIASES
192 CFLAGS-specific.c
+= -D__NO_WEAK_PTHREAD_ALIASES
193 CFLAGS-pthread.c
+= -D__NO_WEAK_PTHREAD_ALIASES
$(znodelete-
$(have-z-nodelete
))
194 CFLAGS-ptfork.c
+= -D__NO_WEAK_PTHREAD_ALIASES
195 CFLAGS-cancel.c
+= -D__NO_WEAK_PTHREAD_ALIASES
-D_RPC_THREAD_SAFE_
196 CFLAGS-unload.c
+= -DPREFIX
=\"$(objpfx
)\"
197 CFLAGS-mutex.c
+= $(uses-callbacks
)
198 CFLAGS-sighandler.c
+= $(uses-callbacks
)
200 ifeq (yes
,$(versioning
))
201 -include $(common-objpfx
)tls.make
202 libc-ok-for-link
= $(use-thread
)
204 libc-ok-for-link
= yes
207 ifeq (no
,$(libc-ok-for-link
))
208 # These hacks are necessary to let us link against a libc.so that exports
209 # the symbols _errno, _h_errno, and _res. Those symbols are accessible
210 # in libc at runtime (dynamic linkable), but are not exported at link time
211 # so that applications cannot link against them. However, libpthread.so
212 # needs to link against them for its __errno_location et al functions to
213 # find the locations that libc's symbols resolve to. We cannot do this
214 # with aliases in libc.so(GLIBC_PRIVATE), because we need to refer to an
215 # executable's symbols when it defines them with copy relocs.
216 libc-link.so
= $(objpfx
)libc.so
218 $(objpfx
)libc_pic_lite.a
: $(common-objpfx
)libc_pic.a
220 $(AR
) d
$@T errno.os herrno.os res_libc.os
223 extra-objs
+= libc-tsd.os
224 $(objpfx
)libc_pic_lite.os
: $(objpfx
)libc_pic_lite.a
$(objpfx
)libc-tsd.os
225 $(LINK.o
) -nostdlib
-nostartfiles
-r
-o
$@ \
226 $(LDFLAGS-c_pic.os
) -Wl
,-d
-Wl
,--whole-archive
$^
228 # This trick leaves errno and h_errno undefined.
229 libc.so-no-z-defs
= yes
231 $(objpfx
)libc.so
: $(elfobjdir
)/soinit.os \
232 $(objpfx
)libc_pic_lite.os \
233 $(elfobjdir
)/sofini.os \
234 $(elfobjdir
)/interp.os
$(elfobjdir
)/ld.so
237 generated
+= libc_pic_lite.a libc_pic_lite.os libc.so libc-tsd.os
239 libc-link.so
= $(common-objpfx
)libc.so
244 # Depend on libc.so so a DT_NEEDED is generated in the shared objects.
245 # This ensures they will load libc.so for needed symbols if loaded by
246 # a statically-linked program that hasn't already loaded it.
247 # Depend on ld.so too to get proper versions of ld.so symbols.
248 $(objpfx
)libpthread.so
: $(libc-link.so
) $(common-objpfx
)libc_nonshared.a \
249 $(if
$(filter yes
,$(elf
)), $(elfobjdir
)/ld.so
)
251 # Make sure we link with the thread library.
252 ifeq ($(build-shared
),yes
)
253 $(addprefix $(objpfx
), \
254 $(filter-out $(tests-static
) $(tests-reverse
) unload
, \
255 $(tests
) $(test-srcs
))): $(objpfx
)libpthread.so \
256 $(objpfx
)libpthread_nonshared.a
257 # $(objpfx)linklibc.so is used instead of $(common-objpfx)libc.so,
258 # since otherwise libpthread.so comes before libc.so when linking.
259 $(addprefix $(objpfx
), $(tests-reverse
)): \
260 $(objpfx
)linklibc.so
$(objpfx
)libpthread.so \
261 $(objpfx
)libpthread_nonshared.a
262 $(objpfx
)..
/libc.so
: $(common-objpfx
)libc.so
;
263 $(addprefix $(objpfx
),$(librt-tests
)): $(common-objpfx
)rt
/librt.so
264 $(objpfx
)unload
: $(common-objpfx
)dlfcn
/libdl.so
265 $(objpfx
)unload.out
: $(objpfx
)libpthread.so
$(objpfx
)libpthread_nonshared.a
266 $(objpfx
)linklibc.so
: $(common-objpfx
)libc.so
268 generated
+= libclink.so
270 $(addprefix $(objpfx
),$(tests
) $(test-srcs
)): $(objpfx
)libpthread.a
271 $(addprefix $(objpfx
),$(librt-tests
)): $(common-objpfx
)rt
/librt.a
273 ifeq ($(build-bounded
),yes
)
274 $(tests
:%=$(objpfx
)%-bp
): $(objpfx
)libpthread_b.a
275 $(librt-tests
:%=$(objpfx
)%-bp
): $(common-objpfx
)rt
/librt_b.a
278 ifeq ($(build-static
),yes
)
279 $(addprefix $(objpfx
), $(tests-static
)): $(objpfx
)libpthread.a
282 ifeq ($(build-shared
),yes
)
283 vpath pt-initfini.c
$(full_config_sysdirs
)
285 $(objpfx
)pt-initfini.s
: pt-initfini.c
286 $(compile.c
) -S
$(CFLAGS-pt-initfini.s
) -finhibit-size-directive \
287 $(patsubst -f
%,-fno-
%,$(exceptions
)) -o
$@
289 # We only have one kind of startup code files. Static binaries and
290 # shared libraries are build using the PIC version.
291 $(objpfx
)crti.S
: $(objpfx
)pt-initfini.s
292 sed
-n
-e
'1,/@HEADER_ENDS/p' \
293 -e
'/@_.*_PROLOG_BEGINS/,/@_.*_PROLOG_ENDS/p' \
294 -e
'/@TRAILER_BEGINS/,$$p' $< > $@
295 $(objpfx
)crtn.S
: $(objpfx
)pt-initfini.s
296 sed
-n
-e
'1,/@HEADER_ENDS/p' \
297 -e
'/@_.*_EPILOG_BEGINS/,/@_.*_EPILOG_ENDS/p' \
298 -e
'/@TRAILER_BEGINS/,$$p' $< > $@
300 $(objpfx
)defs.h
: $(objpfx
)pt-initfini.s
301 sed
-n
-e
'/@TESTS_BEGIN/,/@TESTS_END/p' $< | \
302 $(AWK
) -f ..
/csu
/defs.awk
> $@
304 $(objpfx
)crti.o
: $(objpfx
)crti.S
$(objpfx
)defs.h
305 $(compile.S
) -g0
$(ASFLAGS-.os
) -o
$@
307 $(objpfx
)crtn.o
: $(objpfx
)crtn.S
$(objpfx
)defs.h
308 $(compile.S
) -g0
$(ASFLAGS-.os
) -o
$@
310 ifneq ($(multidir
),.
)
311 $(objpfx
)$(multidir
):
312 @mkdir
-p
$(objpfx
)$(multidir
)
314 $(objpfx
)$(multidir
)/crti.o
: $(objpfx
)crti.o
$(objpfx
)$(multidir
)
317 $(objpfx
)$(multidir
)/crtn.o
: $(objpfx
)crtn.o
$(objpfx
)$(multidir
)
321 generated
+= crti.S crtn.S defs.h pt-initfini.s libpthread_nonshared.a
324 ifeq (yes
,$(build-static-nss
))
325 otherlibs
+= $(nssobjdir
)/libnss_files.a
$(resolvobjdir
)/libnss_dns.a \
326 $(resolvobjdir
)/libresolv.a
329 ifeq (yes
,$(build-shared
))
330 $(objpfx
)tst-_res1mod2.so
: $(objpfx
)tst-_res1mod1.so
331 $(objpfx
)tst-_res1
: $(objpfx
)tst-_res1mod2.so
$(shared-thread-library
)
333 $(objpfx
)tst-tls1
: $(objpfx
)tst-tls1mod.so
$(shared-thread-library
)
335 tests
: $(objpfx
)tst-tls2.out
336 $(objpfx
)tst-tls2.out
: tst-tls2.sh
$(objpfx
)tst-tls1 \
337 $(objpfx
)tst-tls1moda.so
$(objpfx
)tst-tls1modb.so \
338 $(objpfx
)tst-tls1modc.so
$(objpfx
)tst-tls1modd.so \
339 $(objpfx
)tst-tls1mode.so
$(objpfx
)tst-tls1modf.so
340 $(SHELL
) -e tst-tls2.sh
$(common-objpfx
) $(elf-objpfx
) \
341 $(rtld-installed-name
)
342 generated
+= tst-tls2.out
345 ifeq (no
,$(cross-compiling
))
346 ifeq (yes
,$(build-shared
))
347 tests
: $(objpfx
)tst-signal.out
$(objpfx
)tst-cancel-wrappers.out
348 $(objpfx
)tst-signal.out
: tst-signal.sh
$(objpfx
)tst-signal
349 $(SHELL
) -e
$< $(common-objpfx
) > $@
350 $(objpfx
)tst-cancel-wrappers.out
: tst-cancel-wrappers.sh
351 $(SHELL
) $< $(common-objpfx
)/libc_pic.a \
352 $(common-objpfx
)/libc.a \
353 $(objpfx
)/libpthread_pic.a \
354 $(objpfx
)/libpthread.a
> $@
355 generated
+= tst-signal.out tst-cancel-wrappers.out