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# Copyright (c) 2015-2016, Loïc Hoguin <[email protected]>
# This file is part of erlang.mk and subject to the terms of the ISC License.
# Verbosity.
proto_verbose_0 = @echo " PROTO " $(filter %.proto,$(?F));
proto_verbose = $(proto_verbose_$(V))
# Core targets.
ifneq ($(wildcard src/),)
PROTO_FILES := $(filter %.proto,$(ALL_SRC_FILES))
ERL_FILES += $(addprefix src/,$(patsubst %.proto,%_pb.erl,$(notdir $(PROTO_FILES))))
ifeq ($(words $(PROTO_FILES)),0)
$(ERLANG_MK_TMP)/last-makefile-change-protobuffs:
$(verbose) :
else
# Rebuild proto files when the Makefile changes.
# We exclude $(PROJECT).d to avoid a circular dependency.
$(ERLANG_MK_TMP)/last-makefile-change-protobuffs: $(filter-out $(PROJECT).d,$(MAKEFILE_LIST))
$(verbose) mkdir -p $(ERLANG_MK_TMP)
$(verbose) if test -f $@; then \
touch $(PROTO_FILES); \
fi
$(verbose) touch $@
$(PROJECT).d:: $(ERLANG_MK_TMP)/last-makefile-change-protobuffs
endif
define compile_proto.erl
[begin
protobuffs_compile:generate_source(F,
[{output_include_dir, "./include"},
{output_src_dir, "./src"}])
end || F <- string:tokens("$1", " ")],
halt().
endef
$(PROJECT).d:: $(PROTO_FILES)
$(verbose) mkdir -p ebin/ include/
$(if $(strip $?),$(proto_verbose) $(call erlang,$(call compile_proto.erl,$?)))
endif
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