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# Copyright (c) 2016, Loïc Hoguin <[email protected]>
# Copyright (c) 2014, Dave Cottlehuber <[email protected]>
# This file is part of erlang.mk and subject to the terms of the ISC License.
.PHONY: distclean-escript escript
# Configuration.
ESCRIPT_NAME ?= $(PROJECT)
ESCRIPT_FILE ?= $(ESCRIPT_NAME)
ESCRIPT_COMMENT ?= This is an -*- erlang -*- file
ESCRIPT_BEAMS ?= "ebin/*", "deps/*/ebin/*"
ESCRIPT_SYS_CONFIG ?= "rel/sys.config"
ESCRIPT_EMU_ARGS ?= -pa . \
-sasl errlog_type error \
-escript main $(ESCRIPT_NAME)
ESCRIPT_SHEBANG ?= /usr/bin/env escript
ESCRIPT_STATIC ?= "deps/*/priv/**", "priv/**"
# Core targets.
distclean:: distclean-escript
help::
$(verbose) printf "%s\n" "" \
"Escript targets:" \
" escript Build an executable escript archive" \
# Plugin-specific targets.
# Based on https://github.com/synrc/mad/blob/master/src/mad_bundle.erl
# Copyright (c) 2013 Maxim Sokhatsky, Synrc Research Center
# Modified MIT License, https://github.com/synrc/mad/blob/master/LICENSE :
# Software may only be used for the great good and the true happiness of all
# sentient beings.
define ESCRIPT_RAW
'Read = fun(F) -> {ok, B} = file:read_file(filename:absname(F)), B end,'\
'Files = fun(L) -> A = lists:concat([filelib:wildcard(X)||X<- L ]),'\
' [F || F <- A, not filelib:is_dir(F) ] end,'\
'Squash = fun(L) -> [{filename:basename(F), Read(F) } || F <- L ] end,'\
'Zip = fun(A, L) -> {ok,{_,Z}} = zip:create(A, L, [{compress,all},memory]), Z end,'\
'Ez = fun(Escript) ->'\
' Static = Files([$(ESCRIPT_STATIC)]),'\
' Beams = Squash(Files([$(ESCRIPT_BEAMS), $(ESCRIPT_SYS_CONFIG)])),'\
' Archive = Beams ++ [{ "static.gz", Zip("static.gz", Static)}],'\
' escript:create(Escript, [ $(ESCRIPT_OPTIONS)'\
' {archive, Archive, [memory]},'\
' {shebang, "$(ESCRIPT_SHEBANG)"},'\
' {comment, "$(ESCRIPT_COMMENT)"},'\
' {emu_args, " $(ESCRIPT_EMU_ARGS)"}'\
' ]),'\
' file:change_mode(Escript, 8#755)'\
'end,'\
'Ez("$(ESCRIPT_FILE)"),'\
'halt().'
endef
ESCRIPT_COMMAND = $(subst ' ',,$(ESCRIPT_RAW))
escript:: distclean-escript deps app
$(gen_verbose) $(ERL) -eval $(ESCRIPT_COMMAND)
distclean-escript:
$(gen_verbose) rm -f $(ESCRIPT_NAME)
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