2004-10-18 Roland McGrath <roland@redhat.com>
[kopensolaris-gnu/glibc.git] / linuxthreads / Makefile
1 # Copyright (C) 1996-2003, 2004 Free Software Foundation, Inc.
2 # This file is part of the GNU C Library.
3
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.
8
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.
13
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
17 # 02111-1307 USA.
18
19 #
20 #       Sub-makefile for linuxthreads portion of the library.
21 #
22 subdir  := linuxthreads
23
24 all: # Make this the default target; it will be defined in Rules.
25
26 linuxthreads-version := $(shell sed -n 's/^.*$(subdir)-\([0-9.]*\).*$$/\1/p' \
27                                     Banner)
28 libpthread-abi-frozen := GLIBC_2.3.2
29
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
33
34 routines := forward alloca_cutoff libc-cancellation libc_pthread_init
35 shared-only-routines = forward
36
37 extra-libs := libpthread
38 extra-libs-others := $(extra-libs)
39 install-lib-ldscripts := libpthread.so
40
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 \
54                        ptcleanup
55 #                      pthread_setuid pthread_seteuid pthread_setreuid \
56 #                      pthread_setresuid \
57 #                      pthread_setgid pthread_setegid pthread_setregid \
58 #                      pthread_setresgid
59
60 # Don't generate deps for calls with no sources.  See sysdeps/unix/Makefile.
61 omit-deps = $(unix-syscalls:%=ptw-%)
62
63 libpthread-shared-only-routines = pt-allocrtsig
64 libpthread-static-only-routines = pthread_atfork
65
66 libpthread-nonshared = pthread_atfork
67
68 linuxthreads-CPPFLAGS = -DIS_IN_linuxthreads=1
69
70 CFLAGS-pthread_atfork.c = -DNOT_IN_libc
71
72 nodelete-yes = -Wl,--enable-new-dtags,-z,nodelete
73 initfirst-yes = -Wl,--enable-new-dtags,-z,initfirst
74 LDFLAGS-pthread.so = $(nodelete-$(have-z-nodelete)) \
75                      $(initfirst-$(have-z-initfirst))
76
77 vpath %.c Examples
78
79 tst-cancel-ARGS = "$(objpfx)"
80 CFLAGS-tst-cancel.c = -fno-inline -fno-inline-functions
81
82 include ../Makeconfig
83
84 ifeq ($(build-shared),yes)
85 others: $(objpfx)libpthread_nonshared.a
86 endif
87
88 $(objpfx)libpthread_nonshared.a: $(addprefix $(objpfx),$(addsuffix .os,$(libpthread-nonshared)))
89         $(AR) $(ARFLAGS) $@ $^
90
91 ifeq ($(build-shared),yes)
92
93 # Set the `multidir' variable by grabbing the variable from the compiler.
94 # We do it once and save the result in a generated makefile.
95 -include $(objpfx)multidir.mk
96 $(objpfx)multidir.mk: $(common-objpfx)config.make
97         $(make-target-directory)
98         dir=`$(CC) $(CFLAGS) $(CPPFLAGS) -print-multi-directory`; \
99         echo "multidir := $$dir" > $@T
100         mv -f $@T $@
101 generated += multidir.mk
102
103 crti-objs := crti.o
104 crtn-objs := crtn.o
105 ifneq (,$(patsubst .,,$(multidir)))
106 generated-dirs := $(firstword $(subst /, , $(multidir)))
107 crti-objs += $(multidir)/crti.o
108 crtn-objs += $(multidir)/crtn.o
109 omit-deps += $(multidir)/crti $(multidir)/crtn
110 endif
111 extra-objs += $(crti-objs) $(crtn-objs)
112 omit-deps += crti crtn
113
114 CFLAGS-pt-initfini.s = -g0 -fPIC -fno-inline-functions $(fno-unit-at-a-time)
115 endif
116
117 librt-tests = ex10 ex11 tst-clock1
118 tests = ex1 ex2 ex3 ex4 ex5 ex6 ex7 ex8 ex9 $(librt-tests) ex12 ex13 joinrace \
119         tststack $(tests-nodelete-$(have-z-nodelete)) ecmutex ex14 ex15 ex16 \
120         ex17 ex18 tst-cancel tst-context bug-sleep \
121         tst-cancel1 tst-cancel2 tst-cancel3 tst-cancel4 tst-cancel5 \
122         tst-cancel6 tst-cancel7 tst-cancel8 tst-popen tst-popen2 tst-attr1 \
123         tst-stack1
124 test-srcs = tst-signal
125 # These tests are linked with libc before libpthread
126 tests-reverse += tst-cancel5
127
128 ifeq ($(build-static),yes)
129 tests += tststatic tst-static-locale tst-cancel-static
130 tests-static += tststatic tst-static-locale tst-cancel-static
131 endif
132
133 ifeq (yes,$(build-shared))
134 tests-nodelete-yes = unload
135 tests += tst-tls1 tst-_res1
136 endif
137
138 modules-names = tst-_res1mod1 tst-_res1mod2 \
139                 tst-tls1mod tst-tls1moda tst-tls1modb tst-tls1modc \
140                 tst-tls1modd tst-tls1mode tst-tls1modf
141 extra-objs += $(addsuffix .os,$(strip $(modules-names)))
142 generated += $(addsuffix .so,$(strip $(modules-names)))
143 test-extras += $(modules-names)
144 test-modules = $(addprefix $(objpfx),$(addsuffix .so,$(modules-names)))
145
146 tst-tls1mod.so-no-z-defs = yes
147 tst-tls1moda.so-no-z-defs = yes
148 tst-tls1modb.so-no-z-defs = yes
149 tst-tls1modc.so-no-z-defs = yes
150 tst-tls1modd.so-no-z-defs = yes
151 tst-tls1mode.so-no-z-defs = yes
152 tst-tls1modf.so-no-z-defs = yes
153
154 $(test-modules): $(objpfx)%.so: $(objpfx)%.os $(common-objpfx)shlib.lds
155         $(build-module)
156
157 ifeq ($(build-shared),yes)
158 # Build all the modules even when not actually running test programs.
159 tests: $(test-modules)
160 endif
161
162 # What we install as libpthread.so for programs to link against is in fact a
163 # link script.  It contains references for the various libraries we need.
164 # The libpthread.so object is not complete since some functions are only defined
165 # in libpthread_nonshared.a.
166 # We need to use absolute paths since otherwise local copies (if they exist)
167 # of the files are taken by the linker.
168 install: $(inst_libdir)/libpthread.so
169 $(inst_libdir)/libpthread.so: $(common-objpfx)format.lds \
170                               $(objpfx)libpthread.so$(libpthread.so-version) \
171                               $(inst_libdir)/$(patsubst %,$(libtype.oS),\
172                                                         $(libprefix)pthread) \
173                               $(+force)
174         (echo '/* GNU ld script';\
175          echo '   Use the shared library, but some functions are only in';\
176          echo '   the static library, so try that secondarily.  */';\
177          cat $<; \
178          echo 'GROUP ( $(slibdir)/libpthread.so$(libpthread.so-version)' \
179               '$(libdir)/$(patsubst %,$(libtype.oS),$(libprefix)pthread)'\
180               ')' \
181         ) > $@.new
182         mv -f $@.new $@
183 $(inst_libdir)/libpthread_nonshared.a: $(objpfx)libpthread_nonshared.a
184         $(do-install)
185
186
187 extra-B-pthread.so = -B$(common-objpfx)linuxthreads/
188 $(objpfx)libpthread.so: $(addprefix $(objpfx),$(crti-objs) $(crtn-objs))
189 $(objpfx)libpthread.so: +preinit += $(addprefix $(objpfx),$(crti-objs))
190 $(objpfx)libpthread.so: +postinit += $(addprefix $(objpfx),$(crtn-objs))
191
192 znodelete-yes = -DHAVE_Z_NODELETE
193 CFLAGS-mutex.c += -D__NO_WEAK_PTHREAD_ALIASES
194 CFLAGS-specific.c += -D__NO_WEAK_PTHREAD_ALIASES
195 CFLAGS-pthread.c += -D__NO_WEAK_PTHREAD_ALIASES $(znodelete-$(have-z-nodelete))
196 CFLAGS-ptfork.c += -D__NO_WEAK_PTHREAD_ALIASES
197 CFLAGS-cancel.c += -D__NO_WEAK_PTHREAD_ALIASES -D_RPC_THREAD_SAFE_
198 CFLAGS-unload.c += -DPREFIX=\"$(objpfx)\"
199 CFLAGS-mutex.c += $(uses-callbacks)
200 CFLAGS-sighandler.c += $(uses-callbacks)
201
202 ifeq (yes,$(versioning))
203 -include $(common-objpfx)tls.make
204 libc-ok-for-link = $(use-thread)
205 else
206 libc-ok-for-link = yes
207 endif
208
209 ifeq (no,$(libc-ok-for-link))
210 # These hacks are necessary to let us link against a libc.so that exports
211 # the symbols _errno, _h_errno, and _res.  Those symbols are accessible
212 # in libc at runtime (dynamic linkable), but are not exported at link time
213 # so that applications cannot link against them.  However, libpthread.so
214 # needs to link against them for its __errno_location et al functions to
215 # find the locations that libc's symbols resolve to.  We cannot do this
216 # with aliases in libc.so(GLIBC_PRIVATE), because we need to refer to an
217 # executable's symbols when it defines them with copy relocs.
218 libc-link.so = $(objpfx)libc.so
219
220 $(objpfx)libc_pic_lite.a: $(common-objpfx)libc_pic.a
221         cp $< $@T
222         $(AR) d $@T errno.os herrno.os res_libc.os
223         mv -f $@T $@
224
225 extra-objs += libc-tsd.os
226 $(objpfx)libc_pic_lite.os: $(objpfx)libc_pic_lite.a $(objpfx)libc-tsd.os
227         $(LINK.o) -nostdlib -nostartfiles -r -o $@ \
228                   $(LDFLAGS-c_pic.os) -Wl,-d -Wl,--whole-archive $^
229
230 # This trick leaves errno and h_errno undefined.
231 libc.so-no-z-defs = yes
232
233 $(objpfx)libc.so: $(elfobjdir)/soinit.os \
234                   $(objpfx)libc_pic_lite.os \
235                   $(elfobjdir)/sofini.os \
236                   $(elfobjdir)/interp.os $(elfobjdir)/ld.so
237         $(build-shlib)
238
239 generated += libc_pic_lite.a libc_pic_lite.os libc.so libc-tsd.os
240 else
241 libc-link.so = $(common-objpfx)libc.so
242 endif
243
244 include ../Rules
245
246 # Depend on libc.so so a DT_NEEDED is generated in the shared objects.
247 # This ensures they will load libc.so for needed symbols if loaded by
248 # a statically-linked program that hasn't already loaded it.
249 # Depend on ld.so too to get proper versions of ld.so symbols.
250 $(objpfx)libpthread.so: $(libc-link.so) $(common-objpfx)libc_nonshared.a \
251                         $(if $(filter yes,$(elf)), $(elfobjdir)/ld.so)
252
253 # Make sure we link with the thread library.
254 ifeq ($(build-shared),yes)
255 $(addprefix $(objpfx), \
256   $(filter-out $(tests-static) $(tests-reverse) unload, \
257     $(tests) $(test-srcs))): $(objpfx)libpthread.so \
258                              $(objpfx)libpthread_nonshared.a
259 # $(objpfx)../libc.so is used instead of $(common-objpfx)libc.so,
260 # since otherwise libpthread.so comes before libc.so when linking.
261 $(addprefix $(objpfx), $(tests-reverse)): \
262   $(objpfx)../libc.so $(objpfx)libpthread.so \
263   $(objpfx)libpthread_nonshared.a
264 $(objpfx)../libc.so: $(common-objpfx)libc.so ;
265 $(addprefix $(objpfx),$(librt-tests)): $(common-objpfx)rt/librt.so
266 $(objpfx)unload: $(common-objpfx)dlfcn/libdl.so
267 $(objpfx)unload.out: $(objpfx)libpthread.so $(objpfx)libpthread_nonshared.a
268 else
269 $(addprefix $(objpfx),$(tests) $(test-srcs)): $(objpfx)libpthread.a
270 $(addprefix $(objpfx),$(librt-tests)): $(common-objpfx)rt/librt.a
271 endif
272 ifeq ($(build-bounded),yes)
273 $(tests:%=$(objpfx)%-bp): $(objpfx)libpthread_b.a
274 $(librt-tests:%=$(objpfx)%-bp): $(common-objpfx)rt/librt_b.a
275 endif
276
277 ifeq ($(build-static),yes)
278 $(addprefix $(objpfx), $(tests-static)): $(objpfx)libpthread.a
279 endif
280
281 ifeq ($(build-shared),yes)
282 vpath pt-initfini.c $(full_config_sysdirs)
283
284 $(objpfx)pt-initfini.s: pt-initfini.c
285         $(compile.c) -S $(CFLAGS-pt-initfini.s) -finhibit-size-directive \
286                 $(patsubst -f%,-fno-%,$(exceptions)) -o $@
287
288 # We only have one kind of startup code files.  Static binaries and
289 # shared libraries are build using the PIC version.
290 $(objpfx)crti.S: $(objpfx)pt-initfini.s
291         sed -n -e '1,/@HEADER_ENDS/p' \
292                -e '/@_.*_PROLOG_BEGINS/,/@_.*_PROLOG_ENDS/p' \
293                -e '/@TRAILER_BEGINS/,$$p' $< > $@
294 $(objpfx)crtn.S: $(objpfx)pt-initfini.s
295         sed -n -e '1,/@HEADER_ENDS/p' \
296                -e '/@_.*_EPILOG_BEGINS/,/@_.*_EPILOG_ENDS/p' \
297                -e '/@TRAILER_BEGINS/,$$p' $< > $@
298
299 $(objpfx)defs.h: $(objpfx)pt-initfini.s
300         sed -n -e '/@TESTS_BEGIN/,/@TESTS_END/p' $< | \
301                 $(AWK) -f ../csu/defs.awk > $@
302
303 $(objpfx)crti.o: $(objpfx)crti.S $(objpfx)defs.h
304         $(compile.S) -g0 $(ASFLAGS-.os) -o $@
305
306 $(objpfx)crtn.o: $(objpfx)crtn.S $(objpfx)defs.h
307         $(compile.S) -g0 $(ASFLAGS-.os) -o $@
308
309 ifneq ($(multidir),.)
310 $(objpfx)$(multidir):
311         @mkdir -p $(objpfx)$(multidir)
312
313 $(objpfx)$(multidir)/crti.o: $(objpfx)crti.o $(objpfx)$(multidir)
314         ln -f $< $@
315
316 $(objpfx)$(multidir)/crtn.o: $(objpfx)crtn.o $(objpfx)$(multidir)
317         ln -f $< $@
318 endif
319
320 generated += crti.S crtn.S defs.h pt-initfini.s libpthread_nonshared.a
321 endif
322
323 ifeq (yes,$(build-static-nss))
324 otherlibs += $(nssobjdir)/libnss_files.a $(resolvobjdir)/libnss_dns.a \
325              $(resolvobjdir)/libresolv.a
326 endif
327
328 ifeq (yes,$(build-shared))
329 $(objpfx)tst-_res1mod2.so: $(objpfx)tst-_res1mod1.so
330 $(objpfx)tst-_res1: $(objpfx)tst-_res1mod2.so $(shared-thread-library)
331
332 $(objpfx)tst-tls1: $(objpfx)tst-tls1mod.so $(shared-thread-library)
333
334 tests: $(objpfx)tst-tls2.out
335 $(objpfx)tst-tls2.out: tst-tls2.sh $(objpfx)tst-tls1 \
336                        $(objpfx)tst-tls1moda.so $(objpfx)tst-tls1modb.so \
337                        $(objpfx)tst-tls1modc.so $(objpfx)tst-tls1modd.so \
338                        $(objpfx)tst-tls1mode.so $(objpfx)tst-tls1modf.so
339         $(SHELL) -e tst-tls2.sh $(common-objpfx) $(elf-objpfx) \
340                     $(rtld-installed-name)
341 generated += tst-tls2.out
342 endif
343
344 ifeq (no,$(cross-compiling))
345 ifeq (yes,$(build-shared))
346 tests: $(objpfx)tst-signal.out $(objpfx)tst-cancel-wrappers.out
347 $(objpfx)tst-signal.out: tst-signal.sh $(objpfx)tst-signal
348         $(SHELL) -e $< $(common-objpfx) > $@
349 $(objpfx)tst-cancel-wrappers.out: tst-cancel-wrappers.sh
350         $(SHELL) $< $(common-objpfx)/libc_pic.a \
351                     $(common-objpfx)/libc.a \
352                     $(objpfx)/libpthread_pic.a \
353                     $(objpfx)/libpthread.a > $@
354 generated += tst-signal.out tst-cancel-wrappers.out
355 endif
356 endif