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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/sysdeps/$(TARGET_ARCH)
subdirs += libpthread/linuxthreads/sysdeps/unix/sysv/linux
subdirs += libpthread/linuxthreads/sysdeps/pthread

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

# This stuff will not compile without at least -O1
# psm: can't handle this here, could maybe search for -O0 in CFLAGS
# and append -O1 if found
#CFLAGS:=$(CFLAGS:-O0=-O1)

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

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

pthread_arch_SRC   := pspinlock
pthread_arch_SRC   := $(patsubst %,$(libpthread_DIR)/sysdeps/$(TARGET_ARCH)/%.c,$(pthread_arch_SRC))
pthread_linux_SRC  := fork pt-sigsuspend register-atfork unregister-atfork
pthread_linux_SRC  := $(patsubst %,$(libpthread_DIR)/sysdeps/unix/sysv/linux/%.c,$(pthread_linux_SRC))
pthread_sysdep_SRC := errno-loc herrno-loc ptlongjmp
pthread_sysdep_SRC := $(patsubst %,$(libpthread_DIR)/sysdeps/pthread/%.c,$(pthread_sysdep_SRC))
pthread_SRC := \
	attr barrier cancel condvar errno events join pthread \
	lockfile manager mutex pt-machine ptcleanup \
	ptclock_gettime ptclock_settime ptfork pthandles \
	pthread_setegid pthread_seteuid pthread_setgid pthread_setregid \
	pthread_setresgid pthread_setresuid pthread_setreuid pthread_setuid \
	rwlock semaphore sighandler signals specific spinlock
pthread_SRC := $(patsubst %,$(libpthread_DIR)/%.c,$(pthread_SRC))

libpthread_static_SRC := pthread_atfork
libpthread_SRC := $(pthread_arch_SRC) $(pthread_linux_SRC) $(pthread_sysdep_SRC) $(pthread_SRC)
libpthread_OBJ := $(patsubst $(libpthread_DIR)/%.c,$(libpthread_OUT)/%.o,$(libpthread_SRC))

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

libpthread-static-y += $(patsubst %,$(libpthread_OUT)/%.o,$(libpthread_static_SRC))

libpthread-nonshared-y += $(patsubst %,$(libpthread_OUT)/%.oS,$(libpthread_static_SRC))

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

#ifeq ($(DOMULTI),n)
$(top_builddir)lib/libpthread.so: $(libpthread_OUT)/libpthread_so.a $(libc.depend) $(top_builddir)lib/libpthread_nonshared.a
	$(call link.so,$(libpthread_FULL_NAME),$(ABI_VERSION))
#else
#$(top_builddir)lib/libpthread.so: $(libpthread_OUT)/libpthread.oS | $(libc.depend) $(top_builddir)lib/libpthread_nonshared.a
#	$(call linkm.so,$(libpthread_FULL_NAME),$(ABI_VERSION))
#endif
	$(Q)$(RM) $@
	$(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)

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 $(libpthread_OUT)/,$(foreach e, o os oS a,$(foreach d, *. */*. */*/*. */*/*/*.,$(d)$(e))))