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# Makefile for uClibc
#
# Copyright (C) 2000 by Lineo, inc.
# Copyright (C) 2000,2001 Erik Andersen <andersen@uclibc.org>
#
# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU Library General Public License as published by the Free
# Software Foundation; either version 2 of the License, or (at your option) any
# later version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more
# details.
#
# You should have received a copy of the GNU Library General Public License
# along with this program; if not, write to the Free Software Foundation, Inc.,
# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# Derived in part from the Linux-8086 C library, the GNU C Library, and several
# other sundry sources.  Files within this library are copyright by their
# respective copyright holders.

#--------------------------------------------------------
#
#There are a number of configurable options in "Config"
#
#--------------------------------------------------------

TOPDIR=../
include $(TOPDIR)Rules.mak

ifeq ($(strip $(UCLIBC_CTOR_DTOR)),y)
CRTOBJS=../../lib/crti.o ../../lib/crt0.o ../../lib/crtn.o
else
CRTOBJS=../../lib/crt0.o
endif

DIRS = misc pwd_grp stdio string termios inet signal stdlib sysdeps unistd

# Check if the target architecture has a version script for
# libc, and if so, include it when linking.
VERSION_SCRIPT:=${shell if [ -f sysdeps/linux/$(TARGET_ARCH)/libc.map ] ; then \
        echo "--version-script sysdeps/linux/$(TARGET_ARCH)/libc.map"; fi}

all: halfclean subdirs $(LIBNAME) $(DO_SHARED)

ar-target:
        $(CROSS)ranlib $(LIBNAME)
        $(INSTALL) -d $(TOPDIR)lib
        $(RM) $(TOPDIR)lib/$(LIBNAME)
        $(INSTALL) -m 644 $(LIBNAME) $(TOPDIR)lib

$(LIBNAME): subdirs ar-target


shared: $(TOPDIR)lib/$(LIBNAME)
        $(LD) $(LDFLAGS) $(VERSION_SCRIPT) -soname=$(SHARED_MAJORNAME) -o $(SHARED_FULLNAME) \
                --whole-archive $(LIBNAME) \
                $(TOPDIR)libc/misc/internals/interp.o --no-whole-archive \
                -init __uClibc_init
        @true #$(RM) -r tmp
        $(INSTALL) -d $(TOPDIR)lib
        $(RM) $(TOPDIR)lib/$(SHARED_FULLNAME)
        $(INSTALL) -m 644 $(SHARED_FULLNAME) $(TOPDIR)lib
        $(LN) -sf $(SHARED_FULLNAME) $(TOPDIR)lib/libc.so
        $(LN) -sf $(SHARED_FULLNAME) $(TOPDIR)lib/$(SHARED_MAJORNAME)

halfclean:
        @$(RM) $(LIBNAME) uClibc_config.h
        @$(RM) $(SHARED_FULLNAME) $(SHARED_MAJORNAME) uClibc-0.* libc.so*

tags:
        ctags -R

clean: subdirs_clean halfclean
        @$(RM) -r tmp
        $(RM) include/asm include/linux include/bits

subdirs: $(patsubst %, _dir_%, $(DIRS))
subdirs_clean: $(patsubst %, _dirclean_%, $(DIRS))

$(patsubst %, _dir_%, $(DIRS)) : dummy
        $(MAKE) -C $(patsubst _dir_%, %, $@)

$(patsubst %, _dirclean_%, $(DIRS)) : dummy
        $(MAKE) -C $(patsubst _dirclean_%, %, $@) clean

.PHONY: dummy subdirs