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### Application-specific constants
APP_NAME := lora_pkt_fwd
### Environment constants
LGW_PATH ?= ../../lora_gateway/libloragw
ARCH ?=
CROSS_COMPILE ?=
OBJDIR = obj
INCLUDES = $(wildcard inc/*.h)
### External constant definitions
# must get library build option to know if mpsse must be linked or not
include $(LGW_PATH)/library.cfg
VERSION_STRING := $(shell git describe)
### Constant symbols
CC := $(CROSS_COMPILE)gcc
AR := $(CROSS_COMPILE)ar
MORECFLAGS := -Wall -Wextra -std=c99 -Iinc -I. -isystem =/usr/include/gps
VFLAG := -D VERSION_STRING="\"$(VERSION_STRING)\""
### Constants for Lora concentrator HAL library
# List the library sub-modules that are used by the application
LGW_INC =
ifneq ($(wildcard $(LGW_PATH)/inc/config.h),)
# only for HAL version 1.3 and beyond
LGW_INC += $(LGW_PATH)/inc/config.h
endif
LGW_INC += $(LGW_PATH)/inc/loragw_hal.h
LGW_INC += $(LGW_PATH)/inc/loragw_gps.h
### Linking options
LIBS := -lloragw -lrt -lpthread -lm -lgps
### General build targets
all: $(APP_NAME)
clean:
rm -f $(OBJDIR)/*.o
rm -f $(APP_NAME)
### Sub-modules compilation
$(OBJDIR):
mkdir -p $(OBJDIR)
$(OBJDIR)/%.o: src/%.c $(INCLUDES) | $(OBJDIR)
@echo compile $@
$(CC) -c $(CFLAGS) $(MORECFLAGS) -I$(LGW_PATH)/inc $< -o $@
### Main program compilation and assembly
$(OBJDIR)/$(APP_NAME).o: src/$(APP_NAME).c $(LGW_INC) $(INCLUDES) | $(OBJDIR)
@echo compile $@
$(CC) -c $(CFLAGS) $(MORECFLAGS) $(VFLAG) -I$(LGW_PATH)/inc $< -o $@
$(APP_NAME): $(OBJDIR)/$(APP_NAME).o $(LGW_PATH)/libloragw.a $(OBJDIR)/parson.o $(OBJDIR)/base64.o $(OBJDIR)/jitqueue.o $(OBJDIR)/timersync.o
$(CC) -L$(LGW_PATH) $< $(OBJDIR)/parson.o $(OBJDIR)/base64.o $(OBJDIR)/jitqueue.o $(OBJDIR)/timersync.o -o $@ $(LIBS)
### EOF
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