linux-embedded-examples/pos-demo/Makefile
2017-10-27 17:51:39 +05:30

112 lines
3.9 KiB
Makefile

# file Makefile
# copyright Copyright (c) 2014 Toradex AG
# [Software License Agreement]
# author $Author$
# version $Rev$
# date $Date$
# brief a simple makefile to (cross) compile.
# uses the openembedded provided sysroot and toolchain
# target linux on Colibri T20 / Colibri T30 / Colibri VF50 / Colibri VF61 / Apalis T30 / Apalis IMX6Q/D
# caveats -
##############################################################################
# Setup your project settings
##############################################################################
# Set the input source files, the binary name and used libraries to link
SRCS = pos-elinux.o co-proc.o
PROG := pos
LIBS = -lm -lpthread
MACHINE ?= colibri-vf
# Set arch flags
ARCH_CFLAGS = -march=armv7-a -fno-tree-vectorize -mthumb-interwork -mfloat-abi=hard
ifeq ($(MACHINE), colibri-t20)
ARCH_FLAGS += -mfpu=vfpv3-d16 -mtune=cortex-a9
else ifeq ($(MACHINE), colibri-t30)
ARCH_FLAGS += -mfpu=neon -mtune=cortex-a9
else ifeq ($(MACHINE), colibri-vf)
ARCH_FLAGS += -mfpu=neon -mtune=cortex-a5
else ifeq ($(MACHINE), apalis-t30)
ARCH_FLAGS += -mfpu=neon -mtune=cortex-a9
else ifeq ($(MACHINE), apalis-imx6)
ARCH_FLAGS += -mfpu=neon -mtune=cortex-a9
CFLAGS += -DAPALIS_IMX6
else ifeq ($(MACHINE), colibri-imx6)
ARCH_FLAGS += -mfpu=neon -mtune=cortex-a9
CFLAGS += -DCOLIBRI_IMX6
else ifeq ($(MACHINE), colibri-imx7)
ARCH_FLAGS += -mfpu=neon -mtune=cortex-a7
CFLAGS += -DCOLIBRI_IMX7
else ifeq ($(MACHINE), apalis-tk1)
ARCH_FLAGS += -mfpu=neon -mtune=cortex-a15
CFLAGS += -DAPALIS_TK1
else
$(error MACHINE is not set to a valid target)
endif
# Set flags to the compiler and linker
CFLAGS += -O2 -g -Wall -DNV_IS_LDK=1 $(ARCH_CFLAGS) `$(PKG-CONFIG) --cflags gtk+-2.0` --sysroot=$(OECORE_TARGET_SYSROOT) -I$(OECORE_TARGET_SYSROOT)include
#LDFLAGS += $(OECORE_TARGET_SYSROOT)/lib/libsoc.a
LDFLAGS += `$(PKG-CONFIG) --libs gtk+-2.0` -rdynamic
##############################################################################
# Setup your build environment
##############################################################################
# Set the path to the oe built sysroot and
# Set the prefix for the cross compiler
OECORE_NATIVE_SYSROOT ?= /usr/local/oecore-x86_64/sysroots/x86_64-angstromsdk-linux
OECORE_TARGET_SYSROOT ?= /usr/local/oecore-x86_64/sysroots/armv7at2hf-neon-angstrom-linux-gnueabi/
CROSS_COMPILE ?= $(OECORE_NATIVE_SYSROOT)usr/bin/arm-angstrom-linux-gnueabi/arm-angstrom-linux-gnueabi-
##############################################################################
# The rest of the Makefile usually needs no change
##############################################################################
# Set differencies between native and cross compilation
ifneq ($(strip $(CROSS_COMPILE)),)
LDFLAGS += -L$(OECORE_TARGET_SYSROOT)usr/lib -Wl,-rpath-link,$(OECORE_TARGET_SYSROOT)usr/lib -L$(OECORE_TARGET_SYSROOT)lib -Wl,-rpath-link,$(OECORE_TARGET_SYSROOT)lib
BIN_POSTFIX =
PKG-CONFIG = export PKG_CONFIG_SYSROOT_DIR=$(OECORE_TARGET_SYSROOT); \
export PKG_CONFIG_PATH=$(OECORE_TARGET_SYSROOT)/usr/lib/pkgconfig/; \
$(OECORE_NATIVE_SYSROOT)/usr/bin/pkg-config
else
# Native compile
PKG-CONFIG = pkg-config
ARCH_CFLAGS =
# Append .x86 to the object files and binaries, so that native and cross builds can live side by side
BIN_POSTFIX = .x86
endif
# Toolchain binaries
CC = $(CROSS_COMPILE)gcc
LD = $(CROSS_COMPILE)ld
STRIP = $(CROSS_COMPILE)strip
RM = rm -f
# Sets the output filename and object files
PROG := $(PROG)$(BIN_POSTFIX)
OBJS = $(SRCS:.c=$(BIN_POSTFIX).o)
DEPS = $(OBJS:.o=.o.d)
# pull in dependency info for *existing* .o files
-include $(DEPS)
.DEFAULT_GOAL := all
all: $(PROG)
$(PROG): $(OBJS) Makefile
$(CC) $(CFLAGS) $(OBJS) $(LIBS) $(LDFLAGS) -o $@
$(STRIP) $@
%$(BIN_POSTFIX).o: %.c
$(CC) -c $(CFLAGS) -o $@ $<
$(CC) -MM $(CFLAGS) $< > $@.d
clean:
$(RM) $(OBJS) $(PROG) $(DEPS)
.PHONY: all clean