1 # SPDX-License-Identifier: BSD-3-Clause
2 # Copyright 2015, Olivier MATZ <zer0@droids-corp.org>
4 # create a symbolic link of a file
5 # slink-y-$(slink) is provided by the user
6 # $(slink) is the path of the directory containing the destination
7 # files, and the variable contains the path of the files to linked. Several
8 # slink-y-$(slink) can be present.
10 # list all path requested by user
11 _all-slink := $(patsubst slink-y-%,%,$(filter slink-y-%,$(.VARIABLES)))
14 # for each slink, create the following variables:
15 # out-$(slink) = output path of the executable
16 # pre-$(slink) = list of prerequisites for this executable
17 # We also add the files in $(all-slink).
18 $(foreach slink,$(_all-slink),\
19 $(if $(notdir $(slink)), \
20 $(if $(call compare,$(words $(slink-y-$(slink))),1), \
21 $(error "only one source file is allowed in slink-y-$(slink)")) \
22 $(eval dst := $(dir $(slink))$(notdir $(slink-y-$(slink)))) \
23 $(eval out-$(slink) := $(dir $(slink))) \
24 $(eval pre-$(slink) := $(slink-y-$(slink))) \
25 $(eval all-slink += $(dst)) \
27 $(foreach src,$(slink-y-$(slink)),\
28 $(eval dst := $(slink)$(notdir $(src))) \
29 $(eval out-$(slink) := $(slink)) \
30 $(eval pre-$(dst) := $(src)) \
31 $(eval all-slink += $(dst)) \
36 # add them to the list of targets and clean
37 all-targets += $(all-slink)
38 all-clean-file += $(all-slink)
40 # convert format of executable from elf to ihex
41 # $1: source executable (elf)
42 # $2: destination file
43 slink_cmd = $(LN) -nsf $(abspath $(1)) $(2)
45 # print line used to convert executable format
47 slink_print_cmd = echo $(call protect_quote,$(call slink_cmd,$1,$2))
49 slink_print_cmd = echo " SLINK $(2)"