a16ae8d2da30b11f7fb8818ad9fb6b12b6834a11
[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 CFLAGS-pthread_atfork.c = -DNOT_IN_libc
69
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))
74
75 vpath %.c Examples
76
77 tst-cancel-ARGS = "$(objpfx)"
78 CFLAGS-tst-cancel.c = -fno-inline -fno-inline-functions
79
80 include ../Makeconfig
81
82 ifeq ($(build-shared),yes)
83 others: $(objpfx)libpthread_nonshared.a
84 endif
85
86 $(objpfx)libpthread_nonshared.a: $(addprefix $(objpfx),$(addsuffix .os,$(libpthread-nonshared)))
87         $(AR) $(ARFLAGS) $@ $^
88
89 ifeq ($(build-shared),yes)
90
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
98         mv -f $@T $@
99 generated += multidir.mk
100
101 crti-objs := crti.o
102 crtn-objs := crtn.o
103 ifneq (,$(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
108 endif
109 extra-objs += $(crti-objs) $(crtn-objs)
110 omit-deps += crti crtn
111
112 CFLAGS-pt-initfini.s = -g0 -fPIC -fno-inline-functions $(fno-unit-at-a-time)
113 endif
114
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 \
121         tst-stack1
122 test-srcs = tst-signal
123 # These tests are linked with libc before libpthread
124 tests-reverse += tst-cancel5
125
126 ifeq ($(build-static),yes)
127 tests += tststatic tst-static-locale tst-cancel-static
128 tests-static += tststatic tst-static-locale tst-cancel-static
129 endif
130
131 ifeq (yes,$(build-shared))
132 tests-nodelete-yes = unload
133 tests += tst-tls1 tst-_res1
134 endif
135
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)))
143
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
151
152 $(test-modules): $(objpfx)%.so: $(objpfx)%.os $(common-objpfx)shlib.lds
153         $(build-module)
154
155 ifeq ($(build-shared),yes)
156 # Build all the modules even when not actually running test programs.
157 tests: $(test-modules)
158 endif
159
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) \
171                               $(+force)
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.  */';\
175          cat $<; \
176          echo 'GROUP ( $(slibdir)/libpthread.so$(libpthread.so-version)' \
177               '$(libdir)/$(patsubst %,$(libtype.oS),$(libprefix)pthread)'\
178               ')' \
179         ) > $@.new
180         mv -f $@.new $@
181 $(inst_libdir)/libpthread_nonshared.a: $(objpfx)libpthread_nonshared.a
182         $(do-install)
183
184
185 extra-B-pthread.so = -B$(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))
189
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 += $(uses-callbacks)
199
200 ifeq (yes,$(versioning))
201 -include $(common-objpfx)tls.make
202 libc-ok-for-link = $(use-thread)
203 else
204 libc-ok-for-link = yes
205 endif
206
207 ifeq (no,$(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
217
218 $(objpfx)libc_pic_lite.a: $(common-objpfx)libc_pic.a
219         cp $< $@T
220         $(AR) d $@T errno.os herrno.os res_libc.os
221         mv -f $@T $@
222
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 $^
227
228 # This trick leaves errno and h_errno undefined.
229 libc.so-no-z-defs = yes
230
231 $(objpfx)libc.so: $(elfobjdir)/soinit.os \
232                   $(objpfx)libc_pic_lite.os \
233                   $(elfobjdir)/sofini.os \
234                   $(elfobjdir)/interp.os $(elfobjdir)/ld.so
235         $(build-shlib)
236
237 generated += libc_pic_lite.a libc_pic_lite.os libc.so libc-tsd.os
238 else
239 libc-link.so = $(common-objpfx)libc.so
240 endif
241
242 include ../Rules
243
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)), $(elfobjdir)/ld.so)
250
251 # Make sure we link with the thread library.
252 ifeq ($(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)../libc.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)../libc.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 else
267 $(addprefix $(objpfx),$(tests) $(test-srcs)): $(objpfx)libpthread.a
268 $(addprefix $(objpfx),$(librt-tests)): $(common-objpfx)rt/librt.a
269 endif
270 ifeq ($(build-bounded),yes)
271 $(tests:%=$(objpfx)%-bp): $(objpfx)libpthread_b.a
272 $(librt-tests:%=$(objpfx)%-bp): $(common-objpfx)rt/librt_b.a
273 endif
274
275 ifeq ($(build-static),yes)
276 $(addprefix $(objpfx), $(tests-static)): $(objpfx)libpthread.a
277 endif
278
279 ifeq ($(build-shared),yes)
280 vpath pt-initfini.c $(full_config_sysdirs)
281
282 $(objpfx)pt-initfini.s: pt-initfini.c
283         $(compile.c) -S $(CFLAGS-pt-initfini.s) -finhibit-size-directive \
284                 $(patsubst -f%,-fno-%,$(exceptions)) -o $@
285
286 # We only have one kind of startup code files.  Static binaries and
287 # shared libraries are build using the PIC version.
288 $(objpfx)crti.S: $(objpfx)pt-initfini.s
289         sed -n -e '1,/@HEADER_ENDS/p' \
290                -e '/@_.*_PROLOG_BEGINS/,/@_.*_PROLOG_ENDS/p' \
291                -e '/@TRAILER_BEGINS/,$$p' $< > $@
292 $(objpfx)crtn.S: $(objpfx)pt-initfini.s
293         sed -n -e '1,/@HEADER_ENDS/p' \
294                -e '/@_.*_EPILOG_BEGINS/,/@_.*_EPILOG_ENDS/p' \
295                -e '/@TRAILER_BEGINS/,$$p' $< > $@
296
297 $(objpfx)defs.h: $(objpfx)pt-initfini.s
298         sed -n -e '/@TESTS_BEGIN/,/@TESTS_END/p' $< | \
299                 $(AWK) -f ../csu/defs.awk > $@
300
301 $(objpfx)crti.o: $(objpfx)crti.S $(objpfx)defs.h
302         $(compile.S) -g0 $(ASFLAGS-.os) -o $@
303
304 $(objpfx)crtn.o: $(objpfx)crtn.S $(objpfx)defs.h
305         $(compile.S) -g0 $(ASFLAGS-.os) -o $@
306
307 ifneq ($(multidir),.)
308 $(objpfx)$(multidir):
309         @mkdir -p $(objpfx)$(multidir)
310
311 $(objpfx)$(multidir)/crti.o: $(objpfx)crti.o $(objpfx)$(multidir)
312         ln -f $< $@
313
314 $(objpfx)$(multidir)/crtn.o: $(objpfx)crtn.o $(objpfx)$(multidir)
315         ln -f $< $@
316 endif
317
318 generated += crti.S crtn.S defs.h pt-initfini.s libpthread_nonshared.a
319 endif
320
321 ifeq (yes,$(build-static-nss))
322 otherlibs += $(nssobjdir)/libnss_files.a $(resolvobjdir)/libnss_dns.a \
323              $(resolvobjdir)/libresolv.a
324 endif
325
326 ifeq (yes,$(build-shared))
327 $(objpfx)tst-_res1mod2.so: $(objpfx)tst-_res1mod1.so
328 $(objpfx)tst-_res1: $(objpfx)tst-_res1mod2.so $(shared-thread-library)
329
330 $(objpfx)tst-tls1: $(objpfx)tst-tls1mod.so $(shared-thread-library)
331
332 tests: $(objpfx)tst-tls2.out
333 $(objpfx)tst-tls2.out: tst-tls2.sh $(objpfx)tst-tls1 \
334                        $(objpfx)tst-tls1moda.so $(objpfx)tst-tls1modb.so \
335                        $(objpfx)tst-tls1modc.so $(objpfx)tst-tls1modd.so \
336                        $(objpfx)tst-tls1mode.so $(objpfx)tst-tls1modf.so
337         $(SHELL) -e tst-tls2.sh $(common-objpfx) $(elf-objpfx) \
338                     $(rtld-installed-name)
339 generated += tst-tls2.out
340 endif
341
342 ifeq (no,$(cross-compiling))
343 ifeq (yes,$(build-shared))
344 tests: $(objpfx)tst-signal.out $(objpfx)tst-cancel-wrappers.out
345 $(objpfx)tst-signal.out: tst-signal.sh $(objpfx)tst-signal
346         $(SHELL) -e $< $(common-objpfx) > $@
347 $(objpfx)tst-cancel-wrappers.out: tst-cancel-wrappers.sh
348         $(SHELL) $< $(common-objpfx)/libc_pic.a \
349                     $(common-objpfx)/libc.a \
350                     $(objpfx)/libpthread_pic.a \
351                     $(objpfx)/libpthread.a > $@
352 generated += tst-signal.out tst-cancel-wrappers.out
353 endif
354 endif