px4-firmware/nuttx-configs/tap-v1/nsh/Make.defs

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############################################################################
# configs/tap-v1/nsh/Make.defs
#
# Copyright (C) 2011 Gregory Nutt. All rights reserved.
# Author: Gregory Nutt <gnutt@nuttx.org>
#
# 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
include ${TOPDIR}/tools/Config.mk
include $(TOPDIR)/PX4_Warnings.mk
include $(TOPDIR)/PX4_Config.mk
#
# We only support building with the ARM bare-metal toolchain from
# https://launchpad.net/gcc-arm-embedded on Windows, Linux or Mac OS.
#
CONFIG_ARMV7M_TOOLCHAIN := GNU_EABI${HOST_OS_FIRST_LETTER}
include ${TOPDIR}/arch/arm/src/armv7-m/Toolchain.defs
CC = $(CROSSDEV)gcc
CXX = $(CROSSDEV)g++
CPP = $(CROSSDEV)gcc -E
LD = $(CROSSDEV)ld
AR = $(CROSSDEV)ar rcs
NM = $(CROSSDEV)nm
OBJCOPY = $(CROSSDEV)objcopy
OBJDUMP = $(CROSSDEV)objdump
MAXOPTIMIZATION = -Os
ARCHCPUFLAGS = -mcpu=cortex-m4 \
-mthumb \
-march=armv7e-m \
-mfpu=fpv4-sp-d16 \
-mfloat-abi=hard
# Enable precise stack overflow tracking
ifeq ($(CONFIG_ARMV7M_STACKCHECK),y)
INSTRUMENTATIONDEFINES = -finstrument-functions -ffixed-r10
endif
# Pull in *just* libm from the toolchain ... this is grody
LIBM = "${shell $(CC) $(ARCHCPUFLAGS) -print-file-name=libm.a}"
EXTRA_LIBS += $(LIBM)
# Use our linker script
LDSCRIPT = ld.script
ifeq ($(WINTOOL),y)
# Windows-native toolchains
DIRLINK = $(TOPDIR)/tools/copydir.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)/scripts/$(LDSCRIPT)}"
else
ifeq ($(PX4_WINTOOL),y)
# Windows-native toolchains (MSYS)
DIRLINK = $(TOPDIR)/tools/copydir.sh
DIRUNLINK = $(TOPDIR)/tools/unlink.sh
MKDEP = $(TOPDIR)/tools/mknulldeps.sh
ARCHINCLUDES = -I. -isystem $(TOPDIR)/include
ARCHXXINCLUDES = -I. -isystem $(TOPDIR)/include -isystem $(TOPDIR)/include/cxx
ARCHSCRIPT = -T$(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/$(LDSCRIPT)
else
# Linux/Cygwin-native toolchain
MKDEP = $(TOPDIR)/tools/mkdeps$(HOSTEXEEXT)
ARCHINCLUDES = -I. -isystem $(TOPDIR)/include
ARCHXXINCLUDES = -I. -isystem $(TOPDIR)/include -isystem $(TOPDIR)/include/cxx
ARCHSCRIPT = -T$(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/$(LDSCRIPT)
endif
endif
# Tool versions
ARCHCCVERSION = ${shell $(CC) -v 2>&1 | sed -n '/^gcc version/p' | sed -e 's/^gcc version \([0-9\.]\)/\1/g' -e 's/[-\ ].*//g' -e '1q'}
ARCHCCMAJOR = ${shell echo $(ARCHCCVERSION) | cut -d'.' -f1}
# Optimization flags
ARCHOPTIMIZATION = $(MAXOPTIMIZATION) \
-fno-strict-aliasing \
-fno-strength-reduce \
-fomit-frame-pointer \
-funsafe-math-optimizations \
-fno-builtin-printf \
-ffunction-sections \
-fdata-sections
ifeq ("${CONFIG_DEBUG_SYMBOLS}","y")
ARCHOPTIMIZATION += -g
endif
ARCHCFLAGS = -std=gnu99
ARCHCXXFLAGS = -fno-exceptions -fno-rtti -std=gnu++0x
ARCHWARNINGS = $(PX4_ARCHWARNINGS)
ARCHCWARNINGS = $(PX4_ARCHWARNINGS) $(PX4_ARCHCWARNINGS)
ARCHWARNINGSXX = $(ARCHWARNINGS) $(PX4_ARCHWARNINGSXX)
ARCHDEFINES =
ARCHPICFLAGS = -fpic -msingle-pic-base -mpic-register=r10
# This seems to be the only way to add linker flags
EXTRA_LIBS += --warn-common \
--gc-sections
CFLAGS = $(ARCHCFLAGS) $(ARCHCWARNINGS) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(INSTRUMENTATIONDEFINES) $(ARCHDEFINES) $(EXTRADEFINES) -pipe -fno-common
CPICFLAGS = $(ARCHPICFLAGS) $(CFLAGS)
CXXFLAGS = $(ARCHCXXFLAGS) $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHXXINCLUDES) $(INSTRUMENTATIONDEFINES) $(ARCHDEFINES) $(EXTRADEFINES) -pipe
CXXPICFLAGS = $(ARCHPICFLAGS) $(CXXFLAGS)
CPPFLAGS = $(ARCHINCLUDES) $(INSTRUMENTATIONDEFINES) $(ARCHDEFINES) $(EXTRADEFINES)
AFLAGS = $(CFLAGS) -D__ASSEMBLY__
NXFLATLDFLAGS1 = -r -d -warn-common
NXFLATLDFLAGS2 = $(NXFLATLDFLAGS1) -T$(TOPDIR)/binfmt/libnxflat/gnu-nxflat.ld -no-check-sections
LDNXFLATFLAGS = -e main -s 2048
OBJEXT = .o
LIBEXT = .a
EXEEXT =
# Produce partially-linked $1 from files in $2
define PRELINK
@echo "PRELINK: $1"
$(Q) $(LD) -Ur -o $1 $2 && $(OBJCOPY) --localize-hidden $1
endef
HOSTCC = gcc
HOSTINCLUDES = -I.
HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -g -pipe
HOSTLDFLAGS =