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# Makefile for uClibc
#
# Copyright (C) 2003 Paul Mundt <lethal@linux-sh.org>
# Copyright (C) 2000-2008 Erik Andersen <andersen@uclibc.org>
#
# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
#

subdirs += libpthread/linuxthreads

CFLAGS-dir_linuxthreads := -DNOT_IN_libc -DIS_IN_libpthread
CFLAGS-libpthread/linuxthreads := $(CFLAGS-dir_linuxthreads) $(SSP_ALL_CFLAGS)

ifeq ($(PTHREADS_DEBUG_SUPPORT),y)
LDFLAGS-libpthread.so := $(LDFLAGS_NOSTRIP) -Wl,-z,defs
else
LDFLAGS-libpthread.so := $(LDFLAGS)
endif
LDFLAGS-$(UCLIBC_FORMAT_DSBT_ELF)-libpthread.so := -Wl,--dsbt-index=10

LIBS-libpthread.so := $(LIBS) $(ldso)

START_FILE-libpthread.so := $(SHARED_START_FILES)
END_FILE-libpthread.so := $(SHARED_END_FILES)

libpthread_FULL_NAME := libpthread-$(VERSION).so

libpthread_DIR := $(top_srcdir)libpthread/linuxthreads
libpthread_OUT := $(top_builddir)libpthread/linuxthreads

-include $(libpthread_DIR)/sysdeps/$(TARGET_ARCH)/Makefile.arch

libpthread_SRC := \
	attr.c cancel.c condvar.c errno.c events.c join.c lockfile.c manager.c \
	mutex.c pt-machine.c ptfork.c pthread.c ptlongjmp.c \
	rwlock.c semaphore.c signals.c specific.c spinlock.c wrapsyscall.c
ifeq ($(UCLIBC_HAS_XLOCALE),y)
libpthread_SRC += locale.c
endif

# remove generic sources, if arch specific version is present
ifneq ($(strip $(libpthread_ARCH_SRC)),)
libpthread_SRC := $(filter-out $(patsubst %.c,$(libpthread_DIR)/%.c,$(notdir $(libpthread_ARCH_SRC))),$(libpthread_SRC))
endif

libpthread_SRC := $(patsubst %,$(libpthread_DIR)/%,$(libpthread_SRC))

libpthread_OBJ := $(patsubst $(libpthread_DIR)/%.c,$(libpthread_OUT)/%.o,$(libpthread_SRC))

#
# Stuff that goes into libc.so, not libpthread.so
#
CFLAGS-OMIT-forward.c := $(CFLAGS-dir_linuxthreads)
CFLAGS-OMIT-libc_pthread_init.c := $(CFLAGS-dir_linuxthreads)
libpthread_libc_CSRC := forward.c libc_pthread_init.c
libpthread_libc_OBJ  := $(patsubst %.c, $(libpthread_OUT)/%.o,$(libpthread_libc_CSRC))
libc-static-y += $(libpthread_OUT)/libc_pthread_init.o
libc-shared-y += $(libpthread_libc_OBJ:.o=.oS)

ifeq ($(DOPIC),y)
libpthread-a-y  += $(libpthread_OBJ:.o=.os)
else
libpthread-a-y  += $(libpthread_OBJ)
endif
libpthread-so-y += $(libpthread_OBJ:.o=.oS)

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)
	$(call link.so,$(libpthread_FULL_NAME),$(ABI_VERSION))
	# link for backward compatibility
	$(call link.so,$(libpthread_FULL_NAME),0)

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)

ifeq ($(PTHREADS_DEBUG_SUPPORT),y)
$(libpthread_OUT)/libpthread.oS: STRIP_FLAGS:=$(STRIP_FLAGS:-x=-X --strip-debug)
endif
$(libpthread_OUT)/libpthread.oS: $(libpthread_SRC)
	$(Q)$(RM) $@
	$(compile-m)

ifeq ($(PTHREADS_DEBUG_SUPPORT),y)
$(top_builddir)lib/libpthread.a: STRIP_FLAGS:=$(STRIP_FLAGS:-x=-X --strip-debug)
endif
$(top_builddir)lib/libpthread.a: $(libpthread-a-y)
	$(Q)$(INSTALL) -d $(dir $@)
	$(Q)$(RM) $@
	$(do_ar)

$(top_builddir)include/pthread.h:
	$(do_ln) $(call rel_srcdir)$(PTDIR)/sysdeps/pthread/$(@F) $@
$(top_builddir)include/semaphore.h:
	$(do_ln) $(call rel_srcdir)$(PTDIR)/$(@F) $@
$(top_builddir)include/bits/pthreadtypes.h: | $(top_builddir)include/bits
	$(do_ln) $(call rel_srcdir)$(PTDIR)/sysdeps/pthread/bits/$(@F) $@

linuxthreads_headers := $(top_builddir)include/pthread.h \
			$(top_builddir)include/semaphore.h \
			$(top_builddir)include/bits/pthreadtypes.h
$(linuxthreads_headers): $(wildcard $(addprefix $(top_builddir)include/config/linuxthreads/,old.h new.h))
headers-$(UCLIBC_HAS_THREADS) += $(linuxthreads_headers)

objclean-y += CLEAN_libpthread/linuxthreads
headers_clean-y += HEADERCLEAN_libpthread/linuxthreads
HEADERCLEAN_libpthread/linuxthreads:
	$(do_rm) $(linuxthreads_headers)

CLEAN_libpthread/linuxthreads:
	$(do_rm) $(addprefix $(libpthread_OUT)/*., o os oS a)