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vintage_net

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Network configuration and management for Nerves

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vintage_net Makefile
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Makefile 

# Makefile for building port binaries

#

# Makefile targets:

#

# all/install   build and install the NIF

# clean         clean build products and intermediates

#

# Variables to override:

#

# MIX_APP_PATH  path to the build directory

#

# CC            C compiler

# CROSSCOMPILE	crosscompiler prefix, if any

# CFLAGS	compiler flags for compiling all C files

# ERL_CFLAGS	additional compiler flags for files using Erlang header files

# ERL_EI_INCLUDE_DIR include path to ei.h (Required for crosscompile)

# ERL_EI_LIBDIR path to libei.a (Required for crosscompile)

# LDFLAGS	linker flags for linking all binaries

# ERL_LDFLAGS	additional linker flags for projects referencing Erlang libraries

#

ifeq ($(MIX_APP_PATH),)

calling_from_make:

	mix compile

endif



PREFIX = $(MIX_APP_PATH)/priv

BUILD  = $(MIX_APP_PATH)/obj



# Set Erlang-specific compile and linker flags

ERL_CFLAGS ?= -I$(ERL_EI_INCLUDE_DIR)

ERL_LDFLAGS = -L$(ERL_EI_LIBDIR) -lei_st



CFLAGS ?= -O2 -Wall -Wextra -Wno-unused-parameter -pedantic



# Check that we're on a supported build platform

ifeq ($(CROSSCOMPILE),)

    # Not crosscompiling, so check that we're on Linux.

    ifneq ($(shell uname -s),Linux)

        $(warning vintage_net only works on Linux, but crosscompilation)

        $(warning is supported by defining $$CROSSCOMPILE, $$ERL_EI_INCLUDE_DIR,)

        $(warning and $$ERL_EI_LIBDIR. See Makefile for details. If using Nerves,)

        $(warning this should be done automatically.)

        $(warning .)

        $(warning Skipping some C compilation unless targets explicitly passed to make.)

        DEFAULT_TARGETS ?= $(PREFIX)

    endif

endif

DEFAULT_TARGETS ?= $(PREFIX) \

		   $(PREFIX)/if_monitor



# Enable for debug messages

# CFLAGS += -DDEBUG



# Unfortunately, depending on the system we're on, we need

# to specify -std=c99 or -std=gnu99. The later is more correct,

# but it fails to build on many setups.

# NOTE: Need to call sh here since file permissions are not preserved

#       in hex packages.

ifeq ($(shell CC=$(CC) sh src/test-c99.sh),yes)

CFLAGS += -std=c99 -D_XOPEN_SOURCE=600

else

CFLAGS += -std=gnu99

endif



all: install



install: $(BUILD) $(PREFIX) $(DEFAULT_TARGETS)



$(BUILD)/%.o: src/%.c

	$(CC) -c $(ERL_CFLAGS) $(CFLAGS) -o $@ $<



$(PREFIX)/if_monitor: $(BUILD)/if_monitor.o

	$(CC) $^ $(ERL_LDFLAGS) $(LDFLAGS) -lmnl -o $@



$(PREFIX) $(BUILD):

	mkdir -p $@



clean:

	$(RM) $(PREFIX)/if_monitor \

	    $(BUILD)/*.o



format:

	astyle \

	    --style=kr \

	    --indent=spaces=4 \

	    --align-pointer=name \

	    --align-reference=name \

	    --convert-tabs \

	    --attach-namespaces \

	    --max-code-length=100 \

	    --max-instatement-indent=120 \

	    --pad-header \

	    --pad-oper \

	    src/*.c



.PHONY: all clean calling_from_make install format