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85xx: Use gc-sections to reduce image size
[people/ms/u-boot.git] / arch / powerpc / cpu / mpc85xx / config.mk
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1#
2# (C) Copyright 2002,2003 Motorola Inc.
3# Xianghua Xiao, X.Xiao@motorola.com
4#
5# See file CREDITS for list of people who contributed to this
6# project.
7#
8# This program is free software; you can redistribute it and/or
9# modify it under the terms of the GNU General Public License as
10# published by the Free Software Foundation; either version 2 of
11# the License, or (at your option) any later version.
12#
13# This program is distributed in the hope that it will be useful,
14# but WITHOUT ANY WARRANTY; without even the implied warranty of
15# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16# GNU General Public License for more details.
17#
18# You should have received a copy of the GNU General Public License
19# along with this program; if not, write to the Free Software
20# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21# MA 02111-1307 USA
22#
23
a16e9a5b 24PLATFORM_RELFLAGS += -fPIC -meabi
42d1f039 25
53efa1f1 26PLATFORM_CPPFLAGS += -ffixed-r2 -Wa,-me500 -msoft-float -mno-string
da0e5f7e 27
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28# Enable gc-sections to enable generation of smaller images.
29PLATFORM_LDFLAGS += --gc-sections
30PLATFORM_RELFLAGS += -ffunction-sections -fdata-sections
31
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32# -mspe=yes is needed to have -mno-spe accepted by a buggy GCC;
33# see "[PATCH,rs6000] make -mno-spe work as expected" on
34# http://gcc.gnu.org/ml/gcc-patches/2008-04/msg00311.html
35PLATFORM_CPPFLAGS +=$(call cc-option,-mspe=yes)
70a0f814 36PLATFORM_CPPFLAGS +=$(call cc-option,-mno-spe)
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37
38# Use default linker script. Board port can override in board/*/config.mk
a47a12be 39LDSCRIPT := $(SRCTREE)/arch/powerpc/cpu/mpc85xx/u-boot.lds