# Makefile for uClibc NPTL # # Copyright (C) 2005-2006 Steven J. Hill <sjhill@realitydiluted.com> # # Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. # subdirs += libpthread/nptl libpthread_DIR = $(top_srcdir)libpthread/nptl libpthread_OUT = $(top_builddir)libpthread/nptl include $(libpthread_DIR)/sysdeps/Makefile.in libc-shared-routines-y = forward.c libc-cancellation.c libc-static-routines-y = alloca_cutoff.c libc-cancellation.c libpthread-shared-only-routines-y = version.c libpthread-static-only-routines-y = pthread_atfork.c libpthread-routines- += $(notdir $(wildcard $(libpthread_DIR)/gen_*.c)) # dummy generated files libpthread-routines- += allocatestack.c # dummy included by pthread_create.c libpthread-routines- += pthread_mutex_getprioceiling.c pthread_mutex_setprioceiling.c # XXX: delete those or use them! libpthread-routines-$(UCLIBC_HAS_RESOLVER_SUPPORT) += res.c libpthread-routines-$(UCLIBC_SUSV4_LEGACY) += pthread_getconcurrency.c \ pthread_setconcurrency libpthread_CSRC = $(filter-out $(libpthread-routines-) \ $(libc-shared-routines-y) \ $(libc-static-routines-y) \ $(libpthread-shared-only-routines-y) \ $(libpthread-static-only-routines-y) \ $(notdir $(libpthread_OBJS:.o=.c)), \ $(notdir $(wildcard $(libpthread_DIR)/*.c))) libpthread_OBJS += $(addprefix $(libpthread_OUT)/,$(libpthread_CSRC:.c=.o)) libpthread-so-y += $(addprefix $(libpthread_OUT)/,$(libpthread-shared-only-routines-y:.c=.oS)) libpthread-so-y += $(libpthread_OBJS:.o=.oS) libpthread-nonshared-y := $(addprefix $(libpthread_OUT)/,$(libpthread-static-only-routines-y:.c=.oS)) libpthread-static-y := $(addprefix $(libpthread_OUT)/,$(libpthread-static-only-routines-y:.c=.o)) libpthread-static-y += $(libpthread_OBJS) ifeq ($(DOPIC),y) libpthread-a-y := $(libpthread-static-y:.o=.os) else libpthread-a-y := $(libpthread-static-y) endif libc-shared-routines-y := $(filter-out $(notdir $(libpthread_libc_OBJS:.o=.c)), $(libc-shared-routines-y)) libc-static-routines-y := $(filter-out $(notdir $(libpthread_libc_OBJS:.o=.c)), $(libc-static-routines-y)) libc-shared-routines-y := $(addprefix $(libpthread_OUT)/,$(libc-shared-routines-y:.c=.oS)) libc-static-routines-y := $(addprefix $(libpthread_OUT)/,$(libc-static-routines-y:.c=.o)) libc-shared-y += $(libc-shared-routines-y) $(libpthread_libc_OBJS:.o=.oS) ifeq ($(DOPIC),y) libc-static-y += $(libc-static-routines-y:.o=.os) $(libpthread_libc_a_OBJS:.o=.os) $(libpthread_ld_tls_COBJ:.o=.os) else libc-static-y += $(libc-static-routines-y) $(libpthread_libc_a_OBJS) $(libpthread_ld_tls_COBJ) endif librt-pt-routines-y := $(patsubst %.c,$(libpthread_pthread_OUT)/%.o,$(filter-out $(notdir $(libpthread_librt_OBJS:.o=.c)), $(librt-pt-routines-y))) librt-pt-shared-only-routines-y := $(patsubst %.c,$(libpthread_pthread_OUT)/%.o,$(filter-out $(notdir $(libpthread_librt_OBJS:.o=.c)), $(librt-pt-shared-only-routines-y))) librt_OBJS = $(libpthread_librt_OBJS) $(librt-pt-routines-y) ifeq ($(DOPIC),y) librt-a-y += $(librt_OBJS:.o=.os) else librt-a-y += $(librt_OBJS) endif librt-so-y += $(librt_OBJS:.o=.oS) $(librt-pt-shared-only-routines-y:.o=.oS) ifeq ($(UCLIBC_CTOR_DTOR),y) START_FILE-libpthread.so := $(top_builddir)libpthread/nptl/sysdeps/pthread/pt-crti.o END_FILE-libpthread.so := $(top_builddir)libpthread/nptl/sysdeps/pthread/pt-crtn.o LDFLAGS-libpthread.so += -nostartfiles $(top_builddir)lib/libpthread.so: | $(START_FILE-libpthread.so) $(END_FILE-libpthread.so) endif libpthread_FULL_NAME := libpthread-$(VERSION).so lib-a-$(UCLIBC_HAS_THREADS) += $(top_builddir)lib/libpthread.a lib-so-$(UCLIBC_HAS_THREADS) += $(top_builddir)lib/libpthread.so $(top_builddir)lib/libpthread.so: $(libpthread_OUT)/libpthread_so.a $(libc.depend) $(libdl.depend) $(top_builddir)lib/libpthread_nonshared.a $(call link.so,$(libpthread_FULL_NAME),$(ABI_VERSION)) $(Q)cat $(top_srcdir)extra/scripts/format.lds > $@.tmp $(Q)echo "GROUP ( $(notdir $@).$(ABI_VERSION) libpthread_nonshared.a )" >> $@.tmp $(Q)mv $@.tmp $@ ifeq ($(PTHREADS_DEBUG_SUPPORT),y) $(libpthread_OUT)/libpthread_so.a: STRIP_FLAGS:=$(STRIP_FLAGS:-x=-X --strip-debug) endif $(libpthread_OUT)/libpthread_so.a: $(libpthread-so-y) $(Q)$(RM) $@ $(do_ar) $(top_builddir)lib/libpthread.a: $(libpthread-a-y) $(Q)$(INSTALL) -d $(dir $@) $(Q)$(RM) $@ $(do_ar) # # Create 'pthread-errnos.h' header file. # CFLAGS-gen_pthread-errnos.c = -S $(libpthread_OUT)/gen_pthread-errnos.c: $(libpthread_DIR)/pthread-errnos.sym | $(libpthread_OUT) $(do_awk) $(top_srcdir)extra/scripts/gen-as-const.awk $< > $@ $(libpthread_OUT)/gen_pthread-errnos.s: $(libpthread_OUT)/gen_pthread-errnos.c | headers $(compile.c) libpthread-generated-y += $(libpthread_OUT)/gen_pthread-errnos.s $(libpthread_OUT)/pthread-errnos.h: $(libpthread_OUT)/gen_pthread-errnos.s $(do_sed) $(PTHREAD_GENERATE_MANGLE) $< > $@ @if test ! -s $@ ; then rm -f $@ ; false ; fi pregen-headers-$(UCLIBC_HAS_THREADS_NATIVE) += $(libpthread_OUT)/pthread-errnos.h headers-$(UCLIBC_HAS_THREADS_NATIVE) += $(nptl_headers_bootstrap) libpthread_H := $(addprefix $(top_builddir)include/,semaphore.h) libpthread_include_H := $(addprefix $(top_builddir)include/,pthread.h) libpthread_include_BITS_H := $(addprefix $(top_builddir)include/bits/,libc-lock.h stdio-lock.h) libpthread_include_STD_IMPL_OS_ARCH_BITS_H := $(addprefix $(top_builddir)include/bits/,pthreadtypes.h semaphore.h) $(libpthread_include_STD_IMPL_OS_ARCH_BITS_H): $(top_builddir)include/bits/%: $(do_ln) $(call rel_srcdir)$(PTDIR)/sysdeps/unix/sysv/linux/$(TARGET_ARCH)/bits/$(@F) $@ $(libpthread_include_BITS_H): $(top_builddir)include/bits/%: $(do_ln) $(call rel_srcdir)$(PTDIR)/sysdeps/pthread/bits/$(@F) $@ $(libpthread_include_H): $(top_builddir)include/%: $(do_ln) $(call rel_srcdir)$(PTDIR)/sysdeps/pthread/$(@F) $@ $(libpthread_H): $(top_builddir)include/%: $(do_ln) $(call rel_srcdir)$(PTDIR)/$(@F) $@ nptl_headers_bootstrap = $(libpthread_H) $(libpthread_include_H) $(libpthread_include_BITS_H) $(libpthread_include_STD_IMPL_OS_ARCH_BITS_H) objclean-y += CLEAN_libpthread/nptl headers_clean-y += HEADERCLEAN_libpthread/nptl HEADERCLEAN_libpthread/nptl: $(do_rm) $(nptl_headers_bootstrap) \ $(addprefix $(libpthread_OUT)/gen_pthread-errnos., c s) \ $(libpthread_OUT)/pthread-errnos.h CLEAN_libpthread/nptl: $(do_rm) $(addprefix $(libpthread_OUT)/*., o os oS a) ifeq ($(PTHREADS_DEBUG_SUPPORT),y) LDFLAGS-libpthread.so += $(LDFLAGS_NOSTRIP) -Wl,-z,defs else LDFLAGS-libpthread.so += $(LDFLAGS) endif LDFLAGS-libpthread.so += $(top_builddir)lib/$(UCLIBC_LDSO_NAME)-$(VERSION).so $(top_builddir)lib/libdl-$(VERSION).so \ -Wl,-z,nodelete,-z,initfirst,-init=__pthread_initialize_minimal_internal LIBS-libpthread.so := $(LIBS) CFLAGS-nptl = -DNOT_IN_libc -DIS_IN_libpthread $(SSP_ALL_CFLAGS) # Since cancellation handling is in large parts handled using exceptions # we have to compile some files with exception handling enabled, some # even with asynchronous unwind tables. # init.c contains sigcancel_handler(). CFLAGS-init.c = -fexceptions -fasynchronous-unwind-tables # The unwind code itself, CFLAGS-unwind.c = -fexceptions CFLAGS-unwind-forcedunwind.c = -fexceptions -fasynchronous-unwind-tables # The following three functions must be async-cancel safe. CFLAGS-pthread_cancel.c = -fexceptions -fasynchronous-unwind-tables CFLAGS-pthread_setcancelstate.c = -fexceptions -fasynchronous-unwind-tables CFLAGS-pthread_setcanceltype.c = -fexceptions -fasynchronous-unwind-tables # These are internal functions which similar functionality as setcancelstate # and setcanceltype. CFLAGS-cancellation.c = -fasynchronous-unwind-tables CFLAGS-libc-cancellation.c = -fasynchronous-unwind-tables # Calling pthread_exit() must cause the registered cancel handlers to # be executed. Therefore exceptions have to be thrown through this # function. CFLAGS-pthread_exit.c = -fexceptions # Among others, __pthread_unwind is forwarded. This function must handle # exceptions. CFLAGS-forward.c = -fexceptions # The following are cancellation points. Some of the functions can # block and therefore temporarily enable asynchronous cancellation. # Those must be compiled asynchronous unwind tables. CFLAGS-pthread_testcancel.c = -fexceptions CFLAGS-pthread_join.c = -fexceptions -fasynchronous-unwind-tables CFLAGS-pthread_timedjoin.c = -fexceptions -fasynchronous-unwind-tables CFLAGS-pthread_once.c = $(uses-callbacks) -fexceptions \ -fasynchronous-unwind-tables CFLAGS-pthread_cond_wait.c = -fexceptions -fasynchronous-unwind-tables CFLAGS-pthread_cond_timedwait.c = -fexceptions -fasynchronous-unwind-tables CFLAGS-sem_wait.c = -fexceptions -fasynchronous-unwind-tables CFLAGS-sem_timedwait.c = -fexceptions -fasynchronous-unwind-tables # These are the function wrappers we have to duplicate here. CFLAGS-fcntl.c = -fexceptions -fasynchronous-unwind-tables CFLAGS-lockf.c = -fexceptions CFLAGS-pread.c = -fexceptions -fasynchronous-unwind-tables CFLAGS-pread64.c = -fexceptions -fasynchronous-unwind-tables CFLAGS-pwrite.c = -fexceptions -fasynchronous-unwind-tables CFLAGS-pwrite64.c = -fexceptions -fasynchronous-unwind-tables CFLAGS-wait.c = -fexceptions -fasynchronous-unwind-tables CFLAGS-waitpid.c = -fexceptions -fasynchronous-unwind-tables CFLAGS-sigwait.c = -fexceptions -fasynchronous-unwind-tables CFLAGS-msgrcv.c = -fexceptions -fasynchronous-unwind-tables CFLAGS-msgsnd.c = -fexceptions -fasynchronous-unwind-tables CFLAGS-tcdrain.c = -fexceptions -fasynchronous-unwind-tables CFLAGS-pt-system.c = -fexceptions -I$(top_srcdir)libc/stdlib # # The rest of this file is uClibc specific. # CFLAGS-pthread_barrier_init.c = -D_GNU_SOURCE CFLAGS-pthread_barrier_destroy.c = -D_GNU_SOURCE CFLAGS-pthread_barrierattr_init.c = -D_GNU_SOURCE CFLAGS-pthread_barrierattr_destroy.c = -D_GNU_SOURCE CFLAGS-pthread_barrierattr_getpshared.c = -D_GNU_SOURCE CFLAGS-pthread_barrierattr_setpshared.c = -D_GNU_SOURCE CFLAGS-sem_open.c = -D_GNU_SOURCE CFLAGS-OMIT-alloca_cutoff.c = $(CFLAGS-nptl) CFLAGS-OMIT-forward.c = $(CFLAGS-nptl) CFLAGS-OMIT-libc-lowlevelock.c = $(CFLAGS-nptl) CFLAGS-OMIT-libc-cancellation.c = $(CFLAGS-nptl)