#
# Copyright (C) 2001-2006 by egnite Software GmbH
# Copyright (C) 2009 by egnite GmbH
#
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
# 3. Neither the name of the copyright holders nor the names of
#    contributors may be used to endorse or promote products derived
#    from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
# THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# For additional information see http://www.ethernut.de/
#
# $Id$
#

# Inherit general gcc variables.
include $(top_srcdir)/Makevars.gcc

# Set target specific variables.
ARCH       = cm3
TRGT       = arm-none-eabi-
MCFLAGS    = -mcpu=$(MCU) -mthumb -D__CORTEX__ $(FPUFLAGS)

# CXXFLAGS_OPT = -Os -g3 -fno-delete-null-pointer-checks -fno-exceptions -fno-rtti
LDFLAGS   = $(MCFLAGS) -g -nostartfiles -L$(LDPATH) -T$(LDSCRIPT) -Wl,-Map=$(PROJ).map,--cref,--no-warn-mismatch -L$(LIBDIR)

CFLAGS_MCU   = $(MCFLAGS) -ffunction-sections -fdata-sections -fomit-frame-pointer $(MFIX)
CXXFLAGS_MCU = $(CFLAGS_MCU) -fno-delete-null-pointer-checks -fno-exceptions -fno-rtti 

# C compiler options.
CFLAGS_ASM = -Wa,-a=$(@:.o=.lst)
CFLAGS_WRN = -Wall -Wstrict-prototypes -Werror
CFLAGS_OPT ?= -Os
CFLAGS     = $(CFLAGS_MCU) $(CFLAGS_OPT) $(CFLAGS_WRN) $(CFLAGS_ASM) $(UCPFLAGS) $(MDEBUG)

# C++ compiler options.
CXXFLAGS_WRN = -Wall
CXXFLAGS_ASM = $(CFLAGS_ASM)
CXXFLAGS_OPT = $(CFLAGS_OPT) 
CXXFLAGS     = $(CXXFLAGS_MCU) $(CXXFLAGS_OPT) $(CXXFLAGS_WRN) $(CXXFLAGS_ASM) $(UCPFLAGS)

ELFCOF    = $(BIN) \
	--change-section-address .data-0x08000000 \
	--change-section-address .bss-0x08000000 \
	--change-section-address .noinit-0x08000000 \
	--change-section-address .rodata-0x08000000