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glibc/linuxthreads/Makefile
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# Copyright (C) 1996-2003, 2004 Free Software Foundation, Inc. | |
# This file is part of the GNU C Library. | |
# The GNU C Library is free software; you can redistribute it and/or | |
# modify it under the terms of the GNU Lesser General Public | |
# License as published by the Free Software Foundation; either | |
# version 2.1 of the License, or (at your option) any later version. | |
# The GNU C Library is distributed in the hope that it will be useful, | |
# but WITHOUT ANY WARRANTY; without even the implied warranty of | |
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
# Lesser General Public License for more details. | |
# You should have received a copy of the GNU Lesser General Public | |
# License along with the GNU C Library; if not, write to the Free | |
# Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
# 02111-1307 USA. | |
# | |
# Sub-makefile for linuxthreads portion of the library. | |
# | |
subdir := linuxthreads | |
all: # Make this the default target; it will be defined in Rules. | |
linuxthreads-version := $(shell sed -n 's/^.*$(subdir)-\([0-9.]*\).*$$/\1/p' \ | |
Banner) | |
libpthread-abi-frozen := GLIBC_2.3.2 | |
headers := pthread.h semaphore.h | |
distribute := internals.h queue.h restart.h spinlock.h smp.h tst-signal.sh \ | |
tst-cancel-wrappers.sh libc-tsd.c | |
routines := forward alloca_cutoff libc-cancellation libc_pthread_init | |
shared-only-routines = forward | |
extra-libs := libpthread | |
extra-libs-others := $(extra-libs) | |
install-lib-ldscripts := libpthread.so | |
libpthread-routines := attr cancel condvar join manager mutex ptfork \ | |
ptlongjmp pthread pt-sigsuspend signals specific errno \ | |
lockfile semaphore spinlock rwlock pt-machine \ | |
oldsemaphore events getcpuclockid pspinlock barrier \ | |
ptclock_gettime ptclock_settime sighandler \ | |
pthandles libc-tls-loc pt-allocrtsig \ | |
ptw-write ptw-read ptw-close ptw-fcntl ptw-accept \ | |
ptw-connect ptw-recv ptw-recvfrom ptw-recvmsg \ | |
ptw-send ptw-sendmsg ptw-sendto ptw-fsync ptw-lseek \ | |
ptw-lseek64 ptw-llseek ptw-msync ptw-nanosleep \ | |
ptw-open ptw-open64 ptw-pause ptw-pread ptw-pread64 \ | |
ptw-pwrite ptw-pwrite64 ptw-tcdrain ptw-wait \ | |
ptw-waitpid pt-system old_pthread_atfork pthread_atfork \ | |
ptcleanup \ | |
pthread_setuid pthread_seteuid pthread_setreuid \ | |
pthread_setresuid \ | |
pthread_setgid pthread_setegid pthread_setregid \ | |
pthread_setresgid | |
# Don't generate deps for calls with no sources. See sysdeps/unix/Makefile. | |
omit-deps = $(unix-syscalls:%=ptw-%) | |
libpthread-shared-only-routines = pt-allocrtsig | |
libpthread-static-only-routines = pthread_atfork | |
libpthread-nonshared = pthread_atfork | |
CFLAGS-pthread_atfork.c = -DNOT_IN_libc | |
nodelete-yes = -Wl,--enable-new-dtags,-z,nodelete | |
initfirst-yes = -Wl,--enable-new-dtags,-z,initfirst | |
LDFLAGS-pthread.so = $(nodelete-$(have-z-nodelete)) \ | |
$(initfirst-$(have-z-initfirst)) | |
vpath %.c Examples | |
tst-cancel-ARGS = "$(objpfx)" | |
CFLAGS-tst-cancel.c = -fno-inline -fno-inline-functions | |
include ../Makeconfig | |
ifeq ($(build-shared),yes) | |
others: $(objpfx)libpthread_nonshared.a | |
endif | |
$(objpfx)libpthread_nonshared.a: $(addprefix $(objpfx),$(addsuffix .os,$(libpthread-nonshared))) | |
$(AR) $(ARFLAGS) $@ $^ | |
ifeq ($(build-shared),yes) | |
# Set the `multidir' variable by grabbing the variable from the compiler. | |
# We do it once and save the result in a generated makefile. | |
-include $(objpfx)multidir.mk | |
$(objpfx)multidir.mk: $(common-objpfx)config.make | |
$(make-target-directory) | |
dir=`$(CC) $(CFLAGS) $(CPPFLAGS) -print-multi-directory`; \ | |
echo "multidir := $$dir" > $@T | |
mv -f $@T $@ | |
generated += multidir.mk | |
crti-objs := crti.o | |
crtn-objs := crtn.o | |
ifneq (,$(patsubst .,,$(multidir))) | |
generated-dirs := $(firstword $(subst /, , $(multidir))) | |
crti-objs += $(multidir)/crti.o | |
crtn-objs += $(multidir)/crtn.o | |
omit-deps += $(multidir)/crti $(multidir)/crtn | |
endif | |
extra-objs += $(crti-objs) $(crtn-objs) | |
omit-deps += crti crtn | |
CFLAGS-pt-initfini.s = -g0 -fPIC -fno-inline-functions $(fno-unit-at-a-time) | |
endif | |
librt-tests = ex10 ex11 tst-clock1 | |
tests = ex1 ex2 ex3 ex4 ex5 ex6 ex7 ex8 ex9 $(librt-tests) ex12 ex13 joinrace \ | |
tststack $(tests-nodelete-$(have-z-nodelete)) ecmutex ex14 ex15 ex16 \ | |
ex17 ex18 tst-cancel tst-context bug-sleep \ | |
tst-cancel1 tst-cancel2 tst-cancel3 tst-cancel4 tst-cancel5 \ | |
tst-cancel6 tst-cancel7 tst-cancel8 tst-popen tst-popen2 tst-attr1 \ | |
tst-stack1 | |
test-srcs = tst-signal | |
# These tests are linked with libc before libpthread | |
tests-reverse += tst-cancel5 | |
ifeq ($(build-static),yes) | |
tests += tststatic tst-static-locale tst-cancel-static | |
tests-static += tststatic tst-static-locale tst-cancel-static | |
endif | |
ifeq (yes,$(build-shared)) | |
tests-nodelete-yes = unload | |
tests += tst-tls1 tst-_res1 | |
endif | |
modules-names = tst-_res1mod1 tst-_res1mod2 \ | |
tst-tls1mod tst-tls1moda tst-tls1modb tst-tls1modc \ | |
tst-tls1modd tst-tls1mode tst-tls1modf | |
extra-objs += $(addsuffix .os,$(strip $(modules-names))) | |
generated += $(addsuffix .so,$(strip $(modules-names))) | |
test-extras += $(modules-names) | |
test-modules = $(addprefix $(objpfx),$(addsuffix .so,$(modules-names))) | |
tst-tls1mod.so-no-z-defs = yes | |
tst-tls1moda.so-no-z-defs = yes | |
tst-tls1modb.so-no-z-defs = yes | |
tst-tls1modc.so-no-z-defs = yes | |
tst-tls1modd.so-no-z-defs = yes | |
tst-tls1mode.so-no-z-defs = yes | |
tst-tls1modf.so-no-z-defs = yes | |
$(test-modules): $(objpfx)%.so: $(objpfx)%.os $(common-objpfx)shlib.lds | |
$(build-module) | |
ifeq ($(build-shared),yes) | |
# Build all the modules even when not actually running test programs. | |
tests: $(test-modules) | |
endif | |
# What we install as libpthread.so for programs to link against is in fact a | |
# link script. It contains references for the various libraries we need. | |
# The libpthread.so object is not complete since some functions are only defined | |
# in libpthread_nonshared.a. | |
# We need to use absolute paths since otherwise local copies (if they exist) | |
# of the files are taken by the linker. | |
install: $(inst_libdir)/libpthread.so | |
$(inst_libdir)/libpthread.so: $(common-objpfx)format.lds \ | |
$(objpfx)libpthread.so$(libpthread.so-version) \ | |
$(inst_libdir)/$(patsubst %,$(libtype.oS),\ | |
$(libprefix)pthread) \ | |
$(+force) | |
(echo '/* GNU ld script';\ | |
echo ' Use the shared library, but some functions are only in';\ | |
echo ' the static library, so try that secondarily. */';\ | |
cat $<; \ | |
echo 'GROUP ( $(slibdir)/libpthread.so$(libpthread.so-version)' \ | |
'$(libdir)/$(patsubst %,$(libtype.oS),$(libprefix)pthread)'\ | |
')' \ | |
) > $@.new | |
mv -f $@.new $@ | |
$(inst_libdir)/libpthread_nonshared.a: $(objpfx)libpthread_nonshared.a | |
$(do-install) | |
extra-B-pthread.so = -B$(common-objpfx)linuxthreads/ | |
$(objpfx)libpthread.so: $(addprefix $(objpfx),$(crti-objs) $(crtn-objs)) | |
$(objpfx)libpthread.so: +preinit += $(addprefix $(objpfx),$(crti-objs)) | |
$(objpfx)libpthread.so: +postinit += $(addprefix $(objpfx),$(crtn-objs)) | |
znodelete-yes = -DHAVE_Z_NODELETE | |
CFLAGS-mutex.c += -D__NO_WEAK_PTHREAD_ALIASES | |
CFLAGS-specific.c += -D__NO_WEAK_PTHREAD_ALIASES | |
CFLAGS-pthread.c += -D__NO_WEAK_PTHREAD_ALIASES $(znodelete-$(have-z-nodelete)) | |
CFLAGS-ptfork.c += -D__NO_WEAK_PTHREAD_ALIASES | |
CFLAGS-cancel.c += -D__NO_WEAK_PTHREAD_ALIASES -D_RPC_THREAD_SAFE_ | |
CFLAGS-unload.c += -DPREFIX=\"$(objpfx)\" | |
CFLAGS-mutex.c += $(uses-callbacks) | |
CFLAGS-sighandler.c += $(uses-callbacks) | |
ifeq (yes,$(versioning)) | |
-include $(common-objpfx)tls.make | |
libc-ok-for-link = $(use-thread) | |
else | |
libc-ok-for-link = yes | |
endif | |
ifeq (no,$(libc-ok-for-link)) | |
# These hacks are necessary to let us link against a libc.so that exports | |
# the symbols _errno, _h_errno, and _res. Those symbols are accessible | |
# in libc at runtime (dynamic linkable), but are not exported at link time | |
# so that applications cannot link against them. However, libpthread.so | |
# needs to link against them for its __errno_location et al functions to | |
# find the locations that libc's symbols resolve to. We cannot do this | |
# with aliases in libc.so(GLIBC_PRIVATE), because we need to refer to an | |
# executable's symbols when it defines them with copy relocs. | |
libc-link.so = $(objpfx)libc.so | |
$(objpfx)libc_pic_lite.a: $(common-objpfx)libc_pic.a | |
cp $< $@T | |
$(AR) d $@T errno.os herrno.os res_libc.os | |
mv -f $@T $@ | |
extra-objs += libc-tsd.os | |
$(objpfx)libc_pic_lite.os: $(objpfx)libc_pic_lite.a $(objpfx)libc-tsd.os | |
$(LINK.o) -nostdlib -nostartfiles -r -o $@ \ | |
$(LDFLAGS-c_pic.os) -Wl,-d -Wl,--whole-archive $^ | |
# This trick leaves errno and h_errno undefined. | |
libc.so-no-z-defs = yes | |
$(objpfx)libc.so: $(elfobjdir)/soinit.os \ | |
$(objpfx)libc_pic_lite.os \ | |
$(elfobjdir)/sofini.os \ | |
$(elfobjdir)/interp.os $(elfobjdir)/ld.so | |
$(build-shlib) | |
generated += libc_pic_lite.a libc_pic_lite.os libc.so libc-tsd.os | |
else | |
libc-link.so = $(common-objpfx)libc.so | |
endif | |
include ../Rules | |
# Depend on libc.so so a DT_NEEDED is generated in the shared objects. | |
# This ensures they will load libc.so for needed symbols if loaded by | |
# a statically-linked program that hasn't already loaded it. | |
# Depend on ld.so too to get proper versions of ld.so symbols. | |
$(objpfx)libpthread.so: $(libc-link.so) $(common-objpfx)libc_nonshared.a \ | |
$(if $(filter yes,$(elf)), $(elfobjdir)/ld.so) | |
# Make sure we link with the thread library. | |
ifeq ($(build-shared),yes) | |
$(addprefix $(objpfx), \ | |
$(filter-out $(tests-static) $(tests-reverse) unload, \ | |
$(tests) $(test-srcs))): $(objpfx)libpthread.so \ | |
$(objpfx)libpthread_nonshared.a | |
# $(objpfx)../libc.so is used instead of $(common-objpfx)libc.so, | |
# since otherwise libpthread.so comes before libc.so when linking. | |
$(addprefix $(objpfx), $(tests-reverse)): \ | |
$(objpfx)../libc.so $(objpfx)libpthread.so \ | |
$(objpfx)libpthread_nonshared.a | |
$(objpfx)../libc.so: $(common-objpfx)libc.so ; | |
$(addprefix $(objpfx),$(librt-tests)): $(common-objpfx)rt/librt.so | |
$(objpfx)unload: $(common-objpfx)dlfcn/libdl.so | |
$(objpfx)unload.out: $(objpfx)libpthread.so $(objpfx)libpthread_nonshared.a | |
else | |
$(addprefix $(objpfx),$(tests) $(test-srcs)): $(objpfx)libpthread.a | |
$(addprefix $(objpfx),$(librt-tests)): $(common-objpfx)rt/librt.a | |
endif | |
ifeq ($(build-bounded),yes) | |
$(tests:%=$(objpfx)%-bp): $(objpfx)libpthread_b.a | |
$(librt-tests:%=$(objpfx)%-bp): $(common-objpfx)rt/librt_b.a | |
endif | |
ifeq ($(build-static),yes) | |
$(addprefix $(objpfx), $(tests-static)): $(objpfx)libpthread.a | |
endif | |
ifeq ($(build-shared),yes) | |
vpath pt-initfini.c $(full_config_sysdirs) | |
$(objpfx)pt-initfini.s: pt-initfini.c | |
$(compile.c) -S $(CFLAGS-pt-initfini.s) -finhibit-size-directive \ | |
$(patsubst -f%,-fno-%,$(exceptions)) -o $@ | |
# We only have one kind of startup code files. Static binaries and | |
# shared libraries are build using the PIC version. | |
$(objpfx)crti.S: $(objpfx)pt-initfini.s | |
sed -n -e '1,/@HEADER_ENDS/p' \ | |
-e '/@_.*_PROLOG_BEGINS/,/@_.*_PROLOG_ENDS/p' \ | |
-e '/@TRAILER_BEGINS/,$$p' $< > $@ | |
$(objpfx)crtn.S: $(objpfx)pt-initfini.s | |
sed -n -e '1,/@HEADER_ENDS/p' \ | |
-e '/@_.*_EPILOG_BEGINS/,/@_.*_EPILOG_ENDS/p' \ | |
-e '/@TRAILER_BEGINS/,$$p' $< > $@ | |
$(objpfx)defs.h: $(objpfx)pt-initfini.s | |
sed -n -e '/@TESTS_BEGIN/,/@TESTS_END/p' $< | \ | |
$(AWK) -f ../csu/defs.awk > $@ | |
$(objpfx)crti.o: $(objpfx)crti.S $(objpfx)defs.h | |
$(compile.S) -g0 $(ASFLAGS-.os) -o $@ | |
$(objpfx)crtn.o: $(objpfx)crtn.S $(objpfx)defs.h | |
$(compile.S) -g0 $(ASFLAGS-.os) -o $@ | |
ifneq ($(multidir),.) | |
$(objpfx)$(multidir): | |
@mkdir -p $(objpfx)$(multidir) | |
$(objpfx)$(multidir)/crti.o: $(objpfx)crti.o $(objpfx)$(multidir) | |
ln -f $< $@ | |
$(objpfx)$(multidir)/crtn.o: $(objpfx)crtn.o $(objpfx)$(multidir) | |
ln -f $< $@ | |
endif | |
generated += crti.S crtn.S defs.h pt-initfini.s libpthread_nonshared.a | |
endif | |
ifeq (yes,$(build-static-nss)) | |
otherlibs += $(nssobjdir)/libnss_files.a $(resolvobjdir)/libnss_dns.a \ | |
$(resolvobjdir)/libresolv.a | |
endif | |
ifeq (yes,$(build-shared)) | |
$(objpfx)tst-_res1mod2.so: $(objpfx)tst-_res1mod1.so | |
$(objpfx)tst-_res1: $(objpfx)tst-_res1mod2.so $(shared-thread-library) | |
$(objpfx)tst-tls1: $(objpfx)tst-tls1mod.so $(shared-thread-library) | |
tests: $(objpfx)tst-tls2.out | |
$(objpfx)tst-tls2.out: tst-tls2.sh $(objpfx)tst-tls1 \ | |
$(objpfx)tst-tls1moda.so $(objpfx)tst-tls1modb.so \ | |
$(objpfx)tst-tls1modc.so $(objpfx)tst-tls1modd.so \ | |
$(objpfx)tst-tls1mode.so $(objpfx)tst-tls1modf.so | |
$(SHELL) -e tst-tls2.sh $(common-objpfx) $(elf-objpfx) \ | |
$(rtld-installed-name) | |
generated += tst-tls2.out | |
endif | |
ifeq (no,$(cross-compiling)) | |
ifeq (yes,$(build-shared)) | |
tests: $(objpfx)tst-signal.out $(objpfx)tst-cancel-wrappers.out | |
$(objpfx)tst-signal.out: tst-signal.sh $(objpfx)tst-signal | |
$(SHELL) -e $< $(common-objpfx) > $@ | |
$(objpfx)tst-cancel-wrappers.out: tst-cancel-wrappers.sh | |
$(SHELL) $< $(common-objpfx)/libc_pic.a \ | |
$(common-objpfx)/libc.a \ | |
$(objpfx)/libpthread_pic.a \ | |
$(objpfx)/libpthread.a > $@ | |
generated += tst-signal.out tst-cancel-wrappers.out | |
endif | |
endif |