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|
################################################################################
# Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved.
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
# IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
# OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE.
#
# Except as contained in this notice, the name of Maxim Integrated
# Products, Inc. shall not be used except as stated in the Maxim Integrated
# Products, Inc. Branding Policy.
#
# The mere transfer of this software does not imply any licenses
# of trade secrets, proprietary technology, copyrights, patents,
# trademarks, maskwork rights, or any other form of intellectual
# property whatsoever. Maxim Integrated Products, Inc. retains all
# ownership rights.
#
# $Date: 2018-12-18 15:37:22 -0600 (Tue, 18 Dec 2018) $
# $Revision: 40072 $
#
###############################################################################
# The build directory
ifeq "$(BUILD_DIR)" ""
BUILD_DIR=$(CURDIR)/build
endif
# Create output object file names
SRCS_NOPATH := $(foreach NAME,$(SRCS),$(basename $(notdir $(NAME))).c)
OBJS_NOPATH := $(SRCS_NOPATH:.c=.o)
OBJS := $(OBJS_NOPATH:%.o=$(BUILD_DIR)/%.o)
################################################################################
# Goals
# The default goal, which causes the example to be built.
.DEFAULT_GOAL :=
.PHONY: all
all: mkbuildir
all: ${BUILD_DIR}/${PROJECT}.elf
# Goal to build for release without debug
.PHONY: release
release: mkbuildir
release: ${BUILD_DIR}/${PROJECT}.elf
release: ${BUILD_DIR}/${PROJECT}.srec
release: ${BUILD_DIR}/${PROJECT}.hex
release: ${BUILD_DIR}/${PROJECT}.bin
release: ${BUILD_DIR}/${PROJECT}.dasm
# The goal to build as a library
.PHONY: lib
lib: mkbuildir
lib: ${BUILD_DIR}/${PROJECT}.a
# The goal to create the target directory.
.PHONY: mkbuildir
mkbuildir:
@mkdir -p ${BUILD_DIR}
# The goal to clean out all the build products.
.PHONY: clean
clean:
@rm -rf ${BUILD_DIR} ${wildcard *~}
${BUILD_DIR}/${PROJECT}.elf: ${LIBS} ${OBJS} ${LINKERFILE}
${BUILD_DIR}/${PROJECT}.a: ${OBJS}
# Create a goal to exercise the library build dependencies
.PHONY: FORCE
FORCE:
# Include the automatically generated dependency files.
ifneq (${MAKECMDGOALS},clean)
-include ${wildcard ${BUILD_DIR}/*.d} __dummy__
endif
################################################################################
# Get the operating system name. If this is Cygwin, the .d files will be
# munged to convert c: into /cygdrive/c so that "make" will be happy with the
# auto-generated dependencies. Also if this is Cygwin, file paths for ARM GCC
# will be converted from /cygdrive/c to C:.
################################################################################
ifneq ($(findstring CYGWIN, ${shell uname -s}), )
CYGWIN=True
endif
# Get the prefix for the tools to use.
ifeq "$(TOOL_DIR)" ""
PREFIX=arm-none-eabi
else
PREFIX=$(TOOL_DIR)/arm-none-eabi
endif
# The command for calling the compiler.
CC=${PREFIX}-gcc
CXX=${PREFIX}-g++
# Discover if we are using GCC > 4.8.0
GCCVERSIONGTEQ4 := $(shell expr `gcc -dumpversion | cut -f1 -d.` \> 4)
ifeq "$(GCCVERSIONGTEQ4)" "0"
GCCVERSIONGTEQ4 := $(shell expr `gcc -dumpversion | cut -f1 -d.` \>= 4)
ifeq "$(GCCVERSIONGTEQ4)" "1"
GCCVERSIONGTEQ4 := $(shell expr `gcc -dumpversion | cut -f2 -d.` \>= 8)
endif
endif
# The flags passed to the assembler.
AFLAGS=-mthumb \
-mcpu=cortex-m4 \
-MD
ifneq "$(HEAP_SIZE)" ""
AFLAGS+=-D__HEAP_SIZE=$(HEAP_SIZE)
endif
ifneq "$(STACK_SIZE)" ""
AFLAGS+=-D__STACK_SIZE=$(STACK_SIZE)
endif
AFLAGS+=$(PROJ_AFLAGS)
ifeq "$(MXC_OPTIMIZE_CFLAGS)" ""
# Default is optimize for size
MXC_OPTIMIZE_CFLAGS = -Os
endif
# The flags passed to the compiler.
# fno-isolate-erroneous-paths-dereference disables the check for pointers with the value of 0
# add this below when arm-none-eabi-gcc version is past 4.8 -fno-isolate-erroneous-paths-dereference \
CFLAGS=-mthumb \
-mcpu=cortex-m4 \
-mfloat-abi=hard \
-mfpu=fpv4-sp-d16 \
-Wa,-mimplicit-it=thumb \
$(MXC_OPTIMIZE_CFLAGS) \
-fsingle-precision-constant \
-ffunction-sections \
-fdata-sections \
-MD \
-Wall \
-Wdouble-promotion \
-Wno-format \
-c
# The flags passed to the C++ compiler.
CXXFLAGS= \
-mthumb \
-mcpu=cortex-m4 \
-mfloat-abi=hard \
-mfpu=fpv4-sp-d16 \
-Wa,-mimplicit-it=thumb \
$(MXC_OPTIMIZE_CFLAGS) \
-ffunction-sections \
-fdata-sections \
-MD \
-Wall \
-Wno-format \
-fno-rtti \
-fno-exceptions \
-std=c++11 \
-c
# On GCC version > 4.8.0 use the -fno-isolate-erroneous-paths-dereference flag
ifeq "$(GCCVERSIONGTEQ4)" "1"
CFLAGS += -fno-isolate-erroneous-paths-dereference
endif
ifneq "$(TARGET)" ""
# Turn TARGET into a number for use within source files (e.g. MAX32650 -> 32650)
CFLAGS+=-DTARGET=$(shell echo $(TARGET) | tr -d '[:alpha:]')
CXXFLAGS+=-DTARGET=$(shell echo $(TARGET) | tr -d '[:alpha:]')
endif
ifneq "$(TARGET_REV)" ""
CFLAGS+=-DTARGET_REV=$(TARGET_REV)
CXXFLAGS+=-DTARGET_REV=$(TARGET_REV)
endif
# Exclude debug for 'release' builds
ifneq (${MAKECMDGOALS},release)
ifneq (${DEBUG},0)
CFLAGS+=-g3 -ggdb -DDEBUG
endif
endif
CFLAGS+=$(PROJ_CFLAGS)
CXXFLAGS+=$(PROJ_CFLAGS)
# The command for calling the library archiver.
AR=${PREFIX}-ar
# The command for calling the linker.
LD=${PREFIX}-gcc
# The flags passed to the linker.
LDFLAGS=-mthumb \
-mcpu=cortex-m4 \
-mfloat-abi=hard \
-mfpu=fpv4-sp-d16 \
-Xlinker --gc-sections \
-Xlinker -Map -Xlinker ${BUILD_DIR}/$(PROJECT).map
LDFLAGS+=$(PROJ_LDFLAGS)
# Include math library
STD_LIBS=-lc -lm
# Determine if any C++ files are in the project sources, and add libraries as appropriate
ifneq "$(findstring cpp, ${SRCS})" ""
STD_LIBS+=-lsupc++ -lstdc++
endif
# Finally, resolve any newlib system calls with libnosys
STD_LIBS+=-lnosys
PROJ_LIBS:=$(addprefix -l, $(PROJ_LIBS))
# The command for extracting images from the linked executables.
OBJCOPY=${PREFIX}-objcopy
OBJDUMP=${PREFIX}-objdump
ifeq "$(CYGWIN)" "True"
fixpath=$(shell echo $(1) | sed -r 's/\/cygdrive\/([A-Na-n])/\U\1:/g' )
else
fixpath=$(1)
endif
# Add the include file paths to AFLAGS and CFLAGS.
AFLAGS+=${patsubst %,-I%,$(call fixpath,$(IPATH))}
CFLAGS+=${patsubst %,-I%,$(call fixpath,$(IPATH))}
CXXFLAGS+=${patsubst %,-I%,$(call fixpath,$(IPATH))}
LDFLAGS+=${patsubst %,-L%,$(call fixpath,$(LIBPATH))}
################################################################################
# The rule for building the object file from each C source file.
${BUILD_DIR}/%.o: %.c
@if [ 'x${ECLIPSE}' != x ]; \
then \
echo ${CC} ${CFLAGS} -o $(call fixpath,${@}) $(call fixpath,${<}) | sed 's/-I\/\(.\)\//-I\1:\//g' ; \
elif [ 'x${VERBOSE}' != x ]; \
then \
echo ${CC} ${CFLAGS} -o $(call fixpath,${@}) $(call fixpath,${<}); \
else \
echo " CC ${<}"; \
fi
@${CC} ${CFLAGS} -o $(call fixpath,${@}) $(call fixpath,${<})
ifeq "$(CYGWIN)" "True"
@sed -i -r -e 's/([A-Na-n]):/\/cygdrive\/\L\1/g' -e 's/\\([A-Za-z])/\/\1/g' ${@:.o=.d}
endif
# The rule to build an object file from a C++ source file
${BUILD_DIR}/%.o: %.cpp
@if [ 'x${ECLIPSE}' != x ]; \
then \
echo ${CXX} ${CXXFLAGS} -o $(call fixpath,${@}) $(call fixpath,${<}) | sed 's/-I\/\(.\)\//-I\1:\//g' ; \
elif [ 'x${VERBOSE}' != x ]; \
then \
echo ${CXX} ${CXXFLAGS} -o $(call fixpath,${@}) $(call fixpath,${<}); \
else \
echo " CXX ${<}"; \
fi
@${CXX} ${CXXFLAGS} -o $(call fixpath,${@}) $(call fixpath,${<})
ifeq "$(CYGWIN)" "True"
@sed -i -r -e 's/([A-Na-n]):/\/cygdrive\/\L\1/g' -e 's/\\([A-Za-z])/\/\1/g' ${@:.o=.d}
endif
# The rule for building the object file from each assembly source file.
${BUILD_DIR}/%.o: %.S
@if [ 'x${VERBOSE}' = x ]; \
then \
echo " AS ${<}"; \
else \
echo ${CC} ${AFLAGS} -o $(call fixpath,${@}) -c $(call fixpath,${<}); \
fi
@${CC} ${AFLAGS} -o $(call fixpath,${@}) -c $(call fixpath,${<})
ifeq "$(CYGWIN)" "True"
@sed -i -r -e 's/([A-Na-n]):/\/cygdrive\/\L\1/g' -e 's/\\([A-Za-z])/\/\1/g' ${@:.o=.d}
endif
# The rule for creating an object library.
${BUILD_DIR}/%.a:
@if [ 'x${VERBOSE}' = x ]; \
then \
echo " AR ${@}"; \
else \
echo ${AR} -cr $(call fixpath,${@}) $(call fixpath,${^}); \
fi
@${AR} -cr $(call fixpath,${@}) $(call fixpath,${^})
# The rule for linking the application.
${BUILD_DIR}/%.elf:
@if [ 'x${VERBOSE}' = x ]; \
then \
echo " LD ${@} ${LNK_SCP}"; \
else \
echo ${LD} -T $(call fixpath,${LINKERFILE}) \
--entry ${ENTRY} \
$(call fixpath,${LDFLAGS}) \
-o $(call fixpath,${@}) \
$(call fixpath,$(filter %.o, ${^})) \
-Xlinker --start-group \
$(call fixpath,$(filter %.a, ${^})) \
${PROJ_LIBS} \
${STD_LIBS} \
-Xlinker --end-group; \
fi; \
${LD} -T $(call fixpath,${LINKERFILE}) \
--entry ${ENTRY} \
$(call fixpath,${LDFLAGS}) \
-o $(call fixpath,${@}) \
$(call fixpath,$(filter %.o, ${^})) \
-Xlinker --start-group \
$(call fixpath,$(filter %.a, ${^})) \
${PROJ_LIBS} \
${STD_LIBS} \
-Xlinker --end-group
# Create S-Record output file
%.srec: %.elf
@if [ 'x${VERBOSE}' = x ]; \
then \
echo "Creating ${@}"; \
else \
echo ${OBJCOPY} -O srec $(call fixpath,${<}) $(call fixpath,${@}); \
fi
@$(OBJCOPY) -O srec $< $(call fixpath,${@})
# Create Intex Hex output file
%.hex: %.elf
@if [ 'x${VERBOSE}' = x ]; \
then \
echo "Creating ${@}"; \
else \
echo ${OBJCOPY} -O ihex $(call fixpath,${<}) $(call fixpath,${@}); \
fi
@$(OBJCOPY) -O ihex $< $(call fixpath,${@})
# Create binary output file
%.bin: %.elf
@if [ 'x${VERBOSE}' = x ]; \
then \
echo "Creating ${@}"; \
else \
echo ${OBJCOPY} -O binary $(call fixpath,${<}) $(call fixpath,${@}); \
fi
@$(OBJCOPY) -O binary $< $(call fixpath,${@})
# Create disassembly file
%.dasm: %.elf
@if [ 'x${VERBOSE}' = x ]; \
then \
echo "Creating ${@}"; \
else \
echo $(OBJDUMP) -S $(call fixpath,${<}) $(call fixpath,${@}); \
fi
@$(OBJDUMP) -S $< > $(call fixpath,${@})
################################################################################
.PHONY: debug
debug:
@echo CYGWIN = ${CYGWIN}
@echo
@echo BUILD_DIR = ${BUILD_DIR}
@echo
@echo SRCS = ${SRCS}
@echo
@echo SRCS_NOPATH = ${SRCS_NOPATH}
@echo
@echo OBJS_NOPATH = ${OBJS_NOPATH}
@echo
@echo OBJS = ${OBJS}
@echo
@echo LIBS = ${LIBS}
@echo
@echo VPATH = ${VPATH}
@echo
@echo IPATH = ${IPATH}
|
