############################################################################
# configs/qemu-i486/ostest/Make.defs
#
#   Copyright (C) 2011 Gregory Nutt. All rights reserved.
#   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
#
# 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 NuttX nor the names of its 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.
#
############################################################################

include ${TOPDIR}/.config

HOSTOS = ${shell uname -o 2>/dev/null || echo "Other"}

ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
  ARCHOPTIMIZATION = -g
else
  ARCHOPTIMIZATION = -O2
endif

ifeq ($(WINTOOL),y)
  # Windows-native toolchains
  DIRLINK = $(TOPDIR)/tools/winlink.sh
  DIRUNLINK = $(TOPDIR)/tools/unlink.sh
  MKDEP = $(TOPDIR)/tools/mknulldeps.sh
  ARCHINCLUDES = -I. -isystem "${shell cygpath -w $(TOPDIR)/include}"
  ARCHXXINCLUDES = -I. -isystem "${shell cygpath -w $(TOPDIR)/include}" -isystem "${shell cygpath -w $(TOPDIR)/include/cxx}"
  ARCHSCRIPT = -T "${shell cygpath -w $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/ostest/ld.script}"
  MAXOPTIMIZATION = -O2
else
  # Linux/Cygwin-native toolchain
  MKDEP = $(TOPDIR)/tools/mkdeps.sh
  ARCHINCLUDES = -I. -isystem $(TOPDIR)/include
  ARCHXXINCLUDES = -I. -isystem $(TOPDIR)/include -isystem $(TOPDIR)/include/cxx
  ARCHSCRIPT = -T$(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/ostest/ld.script
endif

ARCHCPUFLAGS = -march=i486 -mtune=i486 -fno-builtin
#ARCHCPUFLAGS = -march=i486 -mtune=i486 -fno-builtin -fno-stack-protector
ARCHPICFLAGS = -fpic
ARCHWARNINGS = -Wall -Wstrict-prototypes -Wshadow
ARCHDEFINES =

# We have to use a cross-development toolchain under Cygwin because the native
# Cygwin toolchains don't generate ELF binaries.

ifeq ($(HOSTOS),Cygwin)
CROSSDEV = i486-elf-
else
CROSSDEV =
endif

CC = $(CROSSDEV)gcc
CPP = $(CROSSDEV)gcc -E
LD = $(CROSSDEV)ld
AR = $(CROSSDEV)ar rcs
NM = $(CROSSDEV)nm
OBJCOPY = $(CROSSDEV)objcopy
OBJDUMP = $(CROSSDEV)objdump

CFLAGS = $(ARCHWARNINGS) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES) -pipe
CPPFLAGS = $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES)
AFLAGS = $(CFLAGS) -D__ASSEMBLY__

OBJEXT = .o
LIBEXT = .a
EXEEXT = .elf

ifeq ("${CONFIG_DEBUG_SYMBOLS}","y")
  LDFLAGS += -g
endif

define PREPROCESS
	@echo "CPP: $1->$2"
	@$(CPP) $(CPPFLAGS) $1 -o $2
endef

define COMPILE
	@echo "CC: $1"
	@$(CC) -c $(CFLAGS) $1 -o $2
endef

define ASSEMBLE
	@echo "AS: $1"
	@$(CC) -c $(AFLAGS) $1 -o $2
endef

define ARCHIVE
	echo "AR: $2"; \
	$(AR) $1 $2 || { echo "$(AR) $1 $2 FAILED!" ; exit 1 ; }
endef

define CLEAN
	@rm -f *.o *.a
endef

MKDEP = $(TOPDIR)/tools/mkdeps.sh

HOSTCC = gcc
HOSTINCLUDESv = -I.
HOSTCFLAGS = $(ARCHWARNINGS) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(HOSTINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES) -pipe
HOSTLDFLAGS =
