forked from Archive/PX4-Autopilot
180 lines
6.5 KiB
Plaintext
180 lines
6.5 KiB
Plaintext
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############################################################################
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# configs/aerocore/nsh/Make.defs
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#
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# Copyright (C) 2011 Gregory Nutt. All rights reserved.
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# Author: Gregory Nutt <gnutt@nuttx.org>
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in
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# the documentation and/or other materials provided with the
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# distribution.
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# 3. Neither the name NuttX nor the names of its contributors may be
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# used to endorse or promote products derived from this software
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# without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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############################################################################
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include ${TOPDIR}/.config
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include ${TOPDIR}/tools/Config.mk
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#
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# We only support building with the ARM bare-metal toolchain from
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# https://launchpad.net/gcc-arm-embedded on Windows, Linux or Mac OS.
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#
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CONFIG_ARMV7M_TOOLCHAIN := GNU_EABI
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include ${TOPDIR}/arch/arm/src/armv7-m/Toolchain.defs
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CC = $(CROSSDEV)gcc
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CXX = $(CROSSDEV)g++
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CPP = $(CROSSDEV)gcc -E
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LD = $(CROSSDEV)ld
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AR = $(CROSSDEV)ar rcs
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NM = $(CROSSDEV)nm
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OBJCOPY = $(CROSSDEV)objcopy
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OBJDUMP = $(CROSSDEV)objdump
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MAXOPTIMIZATION = -O3
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ARCHCPUFLAGS = -mcpu=cortex-m4 \
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-mthumb \
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-march=armv7e-m \
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-mfpu=fpv4-sp-d16 \
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-mfloat-abi=hard
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# enable precise stack overflow tracking
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INSTRUMENTATIONDEFINES = -finstrument-functions \
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-ffixed-r10
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# pull in *just* libm from the toolchain ... this is grody
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LIBM = "${shell $(CC) $(ARCHCPUFLAGS) -print-file-name=libm.a}"
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EXTRA_LIBS += $(LIBM)
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# use our linker script
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LDSCRIPT = ld.script
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ifeq ($(WINTOOL),y)
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# Windows-native toolchains
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DIRLINK = $(TOPDIR)/tools/copydir.sh
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DIRUNLINK = $(TOPDIR)/tools/unlink.sh
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MKDEP = $(TOPDIR)/tools/mknulldeps.sh
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ARCHINCLUDES = -I. -isystem "${shell cygpath -w $(TOPDIR)/include}"
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ARCHXXINCLUDES = -I. -isystem "${shell cygpath -w $(TOPDIR)/include}" -isystem "${shell cygpath -w $(TOPDIR)/include/cxx}"
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ARCHSCRIPT = -T "${shell cygpath -w $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/$(LDSCRIPT)}"
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else
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ifeq ($(PX4_WINTOOL),y)
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# Windows-native toolchains (MSYS)
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DIRLINK = $(TOPDIR)/tools/copydir.sh
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DIRUNLINK = $(TOPDIR)/tools/unlink.sh
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MKDEP = $(TOPDIR)/tools/mknulldeps.sh
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ARCHINCLUDES = -I. -isystem $(TOPDIR)/include
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ARCHXXINCLUDES = -I. -isystem $(TOPDIR)/include -isystem $(TOPDIR)/include/cxx
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ARCHSCRIPT = -T$(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/$(LDSCRIPT)
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else
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# Linux/Cygwin-native toolchain
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MKDEP = $(TOPDIR)/tools/mkdeps.sh
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ARCHINCLUDES = -I. -isystem $(TOPDIR)/include
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ARCHXXINCLUDES = -I. -isystem $(TOPDIR)/include -isystem $(TOPDIR)/include/cxx
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ARCHSCRIPT = -T$(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/$(LDSCRIPT)
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endif
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endif
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# tool versions
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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'}
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ARCHCCMAJOR = ${shell echo $(ARCHCCVERSION) | cut -d'.' -f1}
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# optimisation flags
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ARCHOPTIMIZATION = $(MAXOPTIMIZATION) \
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-fno-strict-aliasing \
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-fno-strength-reduce \
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-fomit-frame-pointer \
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-funsafe-math-optimizations \
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-fno-builtin-printf \
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-ffunction-sections \
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-fdata-sections
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ifeq ("${CONFIG_DEBUG_SYMBOLS}","y")
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ARCHOPTIMIZATION += -g
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endif
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ARCHCFLAGS = -std=gnu99
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ARCHCXXFLAGS = -fno-exceptions -fno-rtti -std=gnu++0x
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ARCHWARNINGS = -Wall \
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-Wextra \
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-Wdouble-promotion \
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-Wshadow \
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-Wfloat-equal \
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-Wframe-larger-than=1024 \
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-Wpointer-arith \
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-Wlogical-op \
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-Wmissing-declarations \
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-Wpacked \
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-Wno-unused-parameter
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# -Wcast-qual - generates spurious noreturn attribute warnings, try again later
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# -Wconversion - would be nice, but too many "risky-but-safe" conversions in the code
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# -Wcast-align - would help catch bad casts in some cases, but generates too many false positives
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ARCHCWARNINGS = $(ARCHWARNINGS) \
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-Wbad-function-cast \
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-Wstrict-prototypes \
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-Wold-style-declaration \
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-Wmissing-parameter-type \
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-Wmissing-prototypes \
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-Wnested-externs \
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-Wunsuffixed-float-constants
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ARCHWARNINGSXX = $(ARCHWARNINGS) \
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-Wno-psabi
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ARCHDEFINES =
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ARCHPICFLAGS = -fpic -msingle-pic-base -mpic-register=r10
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# this seems to be the only way to add linker flags
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EXTRA_LIBS += --warn-common \
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--gc-sections
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CFLAGS = $(ARCHCFLAGS) $(ARCHCWARNINGS) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(INSTRUMENTATIONDEFINES) $(ARCHDEFINES) $(EXTRADEFINES) -pipe -fno-common
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CPICFLAGS = $(ARCHPICFLAGS) $(CFLAGS)
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CXXFLAGS = $(ARCHCXXFLAGS) $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHXXINCLUDES) $(INSTRUMENTATIONDEFINES) $(ARCHDEFINES) $(EXTRADEFINES) -pipe
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CXXPICFLAGS = $(ARCHPICFLAGS) $(CXXFLAGS)
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CPPFLAGS = $(ARCHINCLUDES) $(INSTRUMENTATIONDEFINES) $(ARCHDEFINES) $(EXTRADEFINES)
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AFLAGS = $(CFLAGS) -D__ASSEMBLY__
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NXFLATLDFLAGS1 = -r -d -warn-common
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NXFLATLDFLAGS2 = $(NXFLATLDFLAGS1) -T$(TOPDIR)/binfmt/libnxflat/gnu-nxflat.ld -no-check-sections
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LDNXFLATFLAGS = -e main -s 2048
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OBJEXT = .o
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LIBEXT = .a
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EXEEXT =
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# produce partially-linked $1 from files in $2
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define PRELINK
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@echo "PRELINK: $1"
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$(Q) $(LD) -Ur -o $1 $2 && $(OBJCOPY) --localize-hidden $1
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endef
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HOSTCC = gcc
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HOSTINCLUDES = -I.
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HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -g -pipe
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HOSTLDFLAGS =
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