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nerves_io_nfc

0.1.0
0.1.0

Elixir access to LibNFC-compatible USB NFC readers

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nerves_io_nfc portdrv.mk
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portdrv.mk 



# Look for the EI library and header files

ERL_BASE_DIR ?= $(shell dirname $(shell which erl|sed -e 's~/erts-[^/]*~~'))/..

ERL_EI_INCLUDE_DIR ?= $(shell find $(ERL_BASE_DIR) -name ei.h -printf '%h\n' 2> /dev/null | head -1)

ERL_EI_LIBDIR ?= $(shell find $(ERL_BASE_DIR) -name libei.a -printf '%h\n' 2> /dev/null | head -1)



ifeq ($(ERL_EI_INCLUDE_DIR),)

   $(error Could not find include directory for ei.h. Check that Erlang header files are available)

endif

ifeq ($(ERL_EI_LIBDIR),)

   $(error Could not find libei.a. Check your Erlang installation)

endif



# Set Erlang-specific compile and linker flags

ERL_CFLAGS ?= -I$(ERL_EI_INCLUDE_DIR)

ERL_LDFLAGS ?= -L$(ERL_EI_LIBDIR) -lei