############################################################################
# boards/arm/stm32/b-g431b-esc1/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
include $(TOPDIR)/arch/arm/src/armv7-m/Toolchain.defs

ifeq ($(CONFIG_STM32_DFU),y)
  LDSCRIPT = ld.script.dfu
else
  LDSCRIPT = ld.script
endif

ifeq ($(CONFIG_CYGWIN_WINTOOL),y)
  # Windows-native toolchains
  ARCHSCRIPT = -T "${shell cygpath -w $(BOARD_DIR)$(DELIM)scripts$(DELIM)$(LDSCRIPT)}"
else
  # Linux/Cygwin-native toolchain
  ARCHSCRIPT = -T$(BOARD_DIR)$(DELIM)scripts$(DELIM)$(LDSCRIPT)
endif

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

ifneq ($(CONFIG_DEBUG_NOOPT),y)
  ARCHOPTIMIZATION += $(MAXOPTIMIZATION) -fno-strict-aliasing
endif

ARCHCFLAGS = -fno-builtin -funwind-tables
ARCHCXXFLAGS = -fno-builtin -fno-exceptions -fcheck-new -funwind-tables
ARCHWARNINGS = -Wall -Wstrict-prototypes -Wshadow -Wundef
ARCHWARNINGSXX = -Wall -Wshadow -Wundef
ARCHPICFLAGS = -fpic -msingle-pic-base -mpic-register=r10

CFLAGS := $(ARCHCFLAGS) $(ARCHWARNINGS) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRAFLAGS) -ffunction-sections -fdata-sections -pipe
CPICFLAGS = $(ARCHPICFLAGS) $(CFLAGS)
CXXFLAGS := $(ARCHCXXFLAGS) $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHXXINCLUDES) $(ARCHDEFINES) $(EXTRAFLAGS) -ffunction-sections -fdata-sections -pipe
CXXPICFLAGS = $(ARCHPICFLAGS) $(CXXFLAGS)
CPPFLAGS := $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRAFLAGS)
AFLAGS := $(CFLAGS) -D__ASSEMBLY__

NXFLATLDFLAGS1 = -r -d -warn-common
NXFLATLDFLAGS2 = $(NXFLATLDFLAGS1) -T$(TOPDIR)/binfmt/libnxflat/gnu-nxflat-pcrel.ld -no-check-sections
LDNXFLATFLAGS = -e main -s 2048

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

# Provide map file needed by the "Memory Allocation" view in Eclipse:
LDFLAGS += -Map=$(TOPDIR)/NuttX.map --gc-sections

# Embed absolute path to source file in debug information so that Eclipse
# source level debugging won't get confused. See:
# https://stackoverflow.com/questions/1275476/gcc-gdb-how-to-embed-absolute-path-to-source-file-in-debug-information
CFLAGS += -fdebug-prefix-map=..=$(readlink -f ..)