Makevars.gcc

#
# 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
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#
# 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
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# THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
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# For additional information see http://www.ethernut.de/
#
# $Id$
#

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

# Toolchain commands.
# CC compiles C sources to object files.
# CXX compiles C++ sources to object files.
# AS assembles assembly sources to object files.
# AR creates libraries from object files.
# TRGT is a target specific prefix like 'arm-elf-' or 'avr-'.
CC     = $(TRGT)gcc
CXX    = $(TRGT)g++
AS     = $(TRGT)gcc -x assembler-with-cpp
AR     = $(TRGT)ar
RANLIN = $(TRGT)ranlib

# Preprocessor options.
DEFS     = $(HWDEF)
INCPRE   = -I
CPPFLAGS = $(INCFIRST) -I$(INCDIR) $(INCLAST) $(DEFS) $(UCPFLAGS)

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

# C++ compiler options.
CXXFLAGS_WRN = -Wall
CXXFLAGS_ASM = $(CFLAGS_ASM)
CXXFLAGS_OPT = -Os -fno-delete-null-pointer-checks -fno-exceptions -fno-rtti 
CXXFLAGS     = $(CXXFLAGS_MCU) $(CXXFLAGS_OPT) $(CXXFLAGS_WRN) $(CXXFLAGS_ASM) $(UCPFLAGS)

# Assembler options.
ASFLAGS  = $(CFLAGS) $(UASFLAG)

# Librarian options.
ARFLAGS = rsv