############################################################################
# boards/x86/qemu/qemu-i486/scripts/Make.defs
#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.  The
# ASF licenses this file to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance with the
# License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
# License for the specific language governing permissions and limitations
# under the License.
#
############################################################################

include $(TOPDIR)/.config
include $(TOPDIR)/tools/Config.mk

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

ifneq ($(CONFIG_DEBUG_NOOPT),y)
  ARCHOPTIMIZATION += -O2
endif

ifeq ($(CONFIG_CYGWIN_WINTOOL),y)
  ARCHSCRIPT = -T "${shell cygpath -w $(BOARD_DIR)$(DELIM)scripts$(DELIM)qemu.ld}"
  MAXOPTIMIZATION = -O2
else
  ARCHSCRIPT = -T$(BOARD_DIR)$(DELIM)scripts$(DELIM)qemu.ld
endif

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

# Check if building a 32-bit target with a 64-bit toolchain

ifeq ($(CONFIG_ARCH_X86_M32),y)
ARCHCPUFLAGS += -m32
LDFLAGS += -m elf_i386
endif

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

ifeq ($(CONFIG_WINDOWS_CYGWIN),y)
CROSSDEV = i486-nuttx-elf-
endif

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

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

EXEEXT = .elf

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