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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 $(UCLIBC_CTOR_DTOR)),y)
CRTOBJS=../../lib/crti.o ../../lib/crt0.o ../../lib/crtn.o
else
CRTOBJS=../../lib/crt0.o
endif
ifeq ($(strip $(ADD_LIBGCC_FUNCTIONS)),y)
LIBGCC_NEED=./tmp/libgcc-need.a
else
LIBGCC=
endif
DIRS = misc pwd_grp stdio string termios inet signal stdlib sysdeps unistd
# Check if the target architecture has a version script for
# libc, and if so, include it when linking.
VERSION_SCRIPT:=${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 -f $(TOPDIR)lib/$(LIBNAME)
install -m 644 $(LIBNAME) $(TOPDIR)lib
$(LIBNAME): subdirs ar-target
shared: $(TOPDIR)lib/$(LIBNAME) $(LIBGCC_NEED)
$(LD) $(LDFLAGS) $(VERSION_SCRIPT) -soname=$(SHARED_MAJORNAME) -o $(SHARED_FULLNAME) \
--whole-archive $(LIBGCC_NEED) $(LIBNAME) \
$(TOPDIR)/libc/misc/internals/interp.o --no-whole-archive \
-init __uClibc_init $(LIBGCC)
@true #rm -rf tmp
install -d $(TOPDIR)lib
rm -f $(TOPDIR)lib/$(SHARED_FULLNAME)
install -m 644 $(SHARED_FULLNAME) $(TOPDIR)lib
(cd ../lib && ln -sf $(SHARED_FULLNAME) libc.so);
(cd ../lib && ln -sf $(SHARED_FULLNAME) $(SHARED_MAJORNAME));
$(LIBGCC_NEED): $(TOPDIR)lib/$(LIBNAME)
@rm -rf tmp
@mkdir tmp
$(AR) rv $@
(cd tmp && CC="$(CC)" LD="$(LD)" LDFLAGS="$(CPU_LDFLAGS-y)" \
NM="$(NM)" AR="$(AR)" LIBGCC="$(LIBGCC)" CRTOBJS="$(CRTOBJS)" \
/bin/sh $(TOPDIR)../extra/scripts/get-needed-libgcc-objects.sh)
halfclean:
@rm -f $(LIBNAME) uClibc_config.h
@rm -f $(SHARED_FULLNAME) $(SHARED_MAJORNAME) uClibc-0.* libc.so*
tags:
ctags -R
clean: subdirs_clean halfclean
@rm -rf tmp
rm -f 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
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