# Makefile for uClibc
#
# Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org>
#
# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
#

CFLAGS-ldso := -DNOT_IN_libc -DIS_IN_rtld $(SSP_DISABLE_FLAGS)

# This stuff will not work with -fomit-frame-pointer
CFLAGS-ldso += -fno-omit-frame-pointer

CFLAGS-ldso += -I$(top_srcdir)ldso/ldso/$(TARGET_ARCH) -I$(top_srcdir)ldso/include -I$(top_srcdir)ldso/ldso
CFLAGS-ldso += -DUCLIBC_RUNTIME_PREFIX=\"$(RUNTIME_PREFIX)\" -DUCLIBC_LDSO=\"$(UCLIBC_LDSO)\"

CFLAGS-ldso/ldso/$(TARGET_ARCH)/ := $(CFLAGS-ldso)

CFLAGS-ldso.c := -DLDSO_ELFINTERP=\"$(TARGET_ARCH)/elfinterp.c\" $(CFLAGS-ldso)

ifneq ($(SUPPORT_LD_DEBUG),y)
LDFLAGS-$(UCLIBC_LDSO_NAME).so := $(LDFLAGS)
else
LDFLAGS-$(UCLIBC_LDSO_NAME).so := $(LDFLAGS_NOSTRIP) -Wl,-z,defs
endif
LDFLAGS-$(UCLIBC_LDSO_NAME).so += -Wl,-e,_start -Wl,-z,now -Wl,-Bsymbolic -Wl,--export-dynamic -Wl,--sort-common -Wl,--discard-locals -Wl,--discard-all -Wl,--no-undefined

ldso_FULL_NAME := $(UCLIBC_LDSO_NAME)-$(VERSION).so

$(UCLIBC_LDSO_NAME)_DIR := $(top_srcdir)ldso/ldso
$(UCLIBC_LDSO_NAME)_OUT := $(top_builddir)ldso/ldso

$(UCLIBC_LDSO_NAME)_CSRC := $($(UCLIBC_LDSO_NAME)_DIR)/ldso.c
# prerequesites
$($(UCLIBC_LDSO_NAME)_OUT)/ldso.o $($(UCLIBC_LDSO_NAME)_OUT)/ldso.oS: \
	$($(UCLIBC_LDSO_NAME)_DIR)/dl-debug.c \
	$($(UCLIBC_LDSO_NAME)_DIR)/dl-startup.c \
	$($(UCLIBC_LDSO_NAME)_DIR)/dl-array.c \
	$($(UCLIBC_LDSO_NAME)_DIR)/dl-hash.c \
	$($(UCLIBC_LDSO_NAME)_DIR)/dl-elf.c
$(UCLIBC_LDSO_NAME)_COBJ := $(patsubst $($(UCLIBC_LDSO_NAME)_DIR)/%.c,$($(UCLIBC_LDSO_NAME)_OUT)/%.o,$($(UCLIBC_LDSO_NAME)_CSRC))

$(UCLIBC_LDSO_NAME)_SSRC := $(wildcard $($(UCLIBC_LDSO_NAME)_DIR)/$(TARGET_ARCH)/*.S)
$(UCLIBC_LDSO_NAME)_SOBJ := $(patsubst $($(UCLIBC_LDSO_NAME)_DIR)/$(TARGET_ARCH)/%.S,$($(UCLIBC_LDSO_NAME)_OUT)/$(TARGET_ARCH)/%.o,$($(UCLIBC_LDSO_NAME)_SSRC))

$(UCLIBC_LDSO_NAME)_OBJS := $($(UCLIBC_LDSO_NAME)_COBJ) $($(UCLIBC_LDSO_NAME)_SOBJ)

ldso-y := $($(UCLIBC_LDSO_NAME)_OBJS:.o=.oS)

lib-so-y += $(ldso)
objclean-y += $(UCLIBC_LDSO_NAME)_clean

$(ldso): $(ldso:.$(MAJOR_VERSION)=)
$(ldso:.$(MAJOR_VERSION)=): $($(UCLIBC_LDSO_NAME)_OUT)/$(UCLIBC_LDSO_NAME)_so.a
	$(call link.so,$(ldso_FULL_NAME),$(MAJOR_VERSION))

$($(UCLIBC_LDSO_NAME)_OUT)/$(UCLIBC_LDSO_NAME)_so.a: $(ldso-y)
	$(Q)$(RM) $@
	$(do_strip)
	$(do_ar)

$(UCLIBC_LDSO_NAME)_clean:
	$(RM) $($(UCLIBC_LDSO_NAME)_OUT)/*.{o,os,oS,a} $($(UCLIBC_LDSO_NAME)_OUT)/*/*.{o,os,oS}