# Makefile for uClibc NPTL
#
# Copyright (C) 2005-2006 Steven J. Hill <sjhill@uclibc.org>
#
# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
#

subdirs += libpthread/nptl/sysdeps/pthread
#
# NOTE: glibc puts flockfile.c, ftrylockfile.c, funlockfile.c, and
#       pt-longjmp.c in libc and libpthread. For uClibc, they are
#       in libc only.
#
libpthread_pthread_DIR = $(top_srcdir)libpthread/nptl/sysdeps/pthread
libpthread_pthread_OUT = $(top_builddir)libpthread/nptl/sysdeps/pthread

libpthread_pthread_COBJ = $(patsubst %.c,$(libpthread_pthread_OUT)/%.o,$(libpthread_pthread_CSRC))
libpthread_pthread_CSRC = \
	pthread_barrier_destroy.c \
	pthread_barrier_init.c \
	pthread_barrier_wait.c \
	pthread_cond_broadcast.c \
	pthread_cond_signal.c \
	pthread_cond_timedwait.c \
	pthread_cond_wait.c \
	pthread_rwlock_rdlock.c \
	pthread_rwlock_timedrdlock.c \
	pthread_rwlock_timedwrlock.c \
	pthread_rwlock_unlock.c \
	pthread_rwlock_wrlock.c \
	pthread_sigmask.c \
	pthread_spin_destroy.c \
	pthread_spin_init.c \
	pthread_spin_unlock.c \
	pt-longjmp.c \
	pt-sigaction.c \
	pt-sigfillset.c \
	pt-sigprocmask.c \
	tpp.c
CFLAGS-pthread = $(SSP_ALL_CFLAGS) -DNOT_IN_libc -DIS_IN_libpthread
CFLAGS-pthread_barrier_wait.c = -D_GNU_SOURCE
CFLAGS-pthread_spin_destroy.c = -D_GNU_SOURCE
CFLAGS-pthread_spin_init.c = -D_GNU_SOURCE
CFLAGS-pthread_spin_unlock.c = -D_GNU_SOURCE
CFLAGS-pt-sigaction.c = -I$(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH) \
			-I$(top_srcdir)libc/signal
CFLAGS-pt-sigfillset.c = -I$(top_srcdir)libc/signal
CFLAGS-pt-sigprocmask.c = -I$(top_srcdir)libc/sysdeps/linux/common
CFLAGS-unwind-forcedunwind.c = -fexceptions -fasynchronous-unwind-tables

CFLAGS-OMIT-librt-cancellation.c = -DIS_IN_libpthread
CFLAGS-OMIT-rt-unwind-resume.c = -DIS_IN_libpthread
CFLAGS-librt-cancellation.c = -DIS_IN_librt				\
			      -fexceptions -fasynchronous-unwind-tables
CFLAGS-rt-unwind-resume.c = -DIS_IN_librt				\
			    -fexceptions -fasynchronous-unwind-tables

libpthread-so-y += $(patsubst %,$(libpthread_pthread_OUT)/%.oS, \
	pt-sigaction pt-sigprocmask unwind-forcedunwind)

CFLAGS-OMIT-sigaction.c = $(CFLAGS-pthread)
CFLAGS-sigaction.c = -I$(top_srcdir)libc/signal
libc-y += $(libpthread_pthread_OUT)/sigaction.o

librt-pt-routines-y = librt-cancellation.c
librt-pt-shared-only-routines-y = rt-unwind-resume.c

ifeq ($(UCLIBC_CTOR_DTOR),y)
CFLAGS-OMIT-pt-initfini.c = $(CFLAGS-pthread)
CFLAGS-pt-initfini.c = -S -g0 $(PICFLAG) -fno-inline-functions	\
			$(call check_gcc,-fno-unit-at-a-time,)	\
			$(SSP_DISABLE_FLAGS) \
			-finhibit-size-directive			\
			-fno-asynchronous-unwind-tables -fno-unwind-tables \
			$(patsubst -f%,-fno-%,$(call check_gcc,-fexceptions,))

#ASFLAGS += $(PICFLAG) -I$(top_srcdir)include -I$(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)
ifneq ($(wildcard $(libpthread_pthread_DIR)/../unix/sysv/linux/$(TARGET_ARCH)/pt-initfini.c),)
PTHREAD_INITFINI := $(libpthread_pthread_DIR)/../unix/sysv/linux/$(TARGET_ARCH)/pt-initfini.c
else
PTHREAD_INITFINI := $(libpthread_pthread_DIR)/pt-initfini.c
endif

ASFLAGS-pt-crti.S =  $(PICFLAG)
ASFLAGS-pt-crtn.S =  $(PICFLAG)

$(libpthread_pthread_OUT)/pt-crti.o: $(libpthread_pthread_OUT)/pt-crti.S
	$(compile.S)

$(libpthread_pthread_OUT)/pt-crtn.o: $(libpthread_pthread_OUT)/pt-crtn.S
	$(compile.S)

$(libpthread_pthread_OUT)/pt-initfini.s: $(PTHREAD_INITFINI)
	$(compile.c)
$(libpthread_pthread_OUT)/defs.h: $(PTHREAD_INITFINI)
	$(do_sed) -n -e '/@TESTS_BEGIN/,/@TESTS_END/p' $< | \
		$(AWK) -f $(top_srcdir)extra/scripts/defs.awk > $@.tmp
	$(Q)mv $@.tmp $@

$(libpthread_pthread_OUT)/pt-crti.S: $(libpthread_pthread_OUT)/pt-initfini.s $(libpthread_pthread_OUT)/defs.h
	$(do_sed) -n -e '/[ 	]*\.file/d' \
		-e '1,/@HEADER_ENDS/p' \
		-e '/@_.*_PROLOG_BEGINS/,/@_.*_PROLOG_ENDS/p' \
		-e '/@TRAILER_BEGINS/,$$p' $< > $@.tmp
	$(Q)mv $@.tmp $@
$(libpthread_pthread_OUT)/pt-crtn.S: $(libpthread_pthread_OUT)/pt-initfini.s $(libpthread_pthread_OUT)/defs.h
	$(do_sed) -n -e '/[ 	]*\.file/d' \
		-e '1,/@HEADER_ENDS/p' \
		-e '/@_.*_EPILOG_BEGINS/,/@_.*_EPILOG_ENDS/p' \
		-e '/@TRAILER_BEGINS/,$$p' $< > $@.tmp
	$(Q)mv $@.tmp $@
endif
# It would have been easier to just add dummy files that include the real
# impl, but ok.
# Special rules needed since we do objdir->objdir compilation for these 3.
# First symlink them, then build them. Rob would freak out on these. Sheesh! ;)
pthread-lc-fwd = sigaction sigfillset sigprocmask
$(patsubst %,$(libpthread_pthread_OUT)/pt-%.c,$(pthread-lc-fwd)): | $(libpthread_pthread_OUT)
	$(do_ln) $(call rel_srcdir)$(patsubst pt-%,$(libpthread_pthread_DIR)/%,$(@F)) $@
$(patsubst %,$(libpthread_pthread_OUT)/pt-%.oS,$(pthread-lc-fwd)): $(libpthread_pthread_OUT)/pt-%.oS: $(libpthread_pthread_OUT)/pt-%.c
	$(compile.c)
$(patsubst %,$(libpthread_pthread_OUT)/pt-%.o,$(pthread-lc-fwd)): $(libpthread_pthread_OUT)/pt-%.o: $(libpthread_pthread_OUT)/pt-%.c
	$(compile.c)
ifeq ($(DOPIC),y)
$(patsubst %,$(libpthread_pthread_OUT)/pt-%.os,$(pthread-lc-fwd)): $(libpthread_pthread_OUT)/pt-%.os: $(libpthread_pthread_OUT)/pt-%.c
	$(compile.c)
endif

objclean-y += CLEAN_libpthread/nptl/sysdeps/pthread

CLEAN_libpthread/nptl/sysdeps/pthread:
	$(do_rm) $(addprefix $(libpthread_pthread_OUT)/*., o os oS s S) \
		$(libpthread_pthread_OUT)/defs.h \
		$(addprefix $(libpthread_pthread_DIR)/,pt-sigaction.c \
			pt-sigfillset.c pt-sigprocmask.c)