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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.
.PHONY: rebar.config
# We strip out -Werror because we don't want to fail due to
# warnings when used as a dependency.
compat_prepare_erlc_opts = $(shell echo "$1" | sed 's/, */,/g')
define compat_convert_erlc_opts
$(if $(filter-out -Werror,$1),\
$(if $(findstring +,$1),\
$(shell echo $1 | cut -b 2-)))
endef
define compat_erlc_opts_to_list
[$(call comma_list,$(foreach o,$(call compat_prepare_erlc_opts,$1),$(call compat_convert_erlc_opts,$o)))]
endef
define compat_rebar_config
{deps, [
$(call comma_list,$(foreach d,$(DEPS),\
$(if $(filter hex,$(call dep_fetch,$d)),\
{$(call dep_name,$d)$(comma)"$(call dep_repo,$d)"},\
{$(call dep_name,$d)$(comma)".*"$(comma){git,"$(call dep_repo,$d)"$(comma)"$(call dep_commit,$d)"}})))
]}.
{erl_opts, $(call compat_erlc_opts_to_list,$(ERLC_OPTS))}.
endef
$(eval _compat_rebar_config = $$(compat_rebar_config))
$(eval export _compat_rebar_config)
rebar.config:
$(gen_verbose) echo "$${_compat_rebar_config}" > rebar.config
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