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Diffstat (limited to 'build-aux/Makefile.once.head/zz-mod.mk')
| -rw-r--r-- | build-aux/Makefile.once.head/zz-mod.mk | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/build-aux/Makefile.once.head/zz-mod.mk b/build-aux/Makefile.once.head/zz-mod.mk new file mode 100644 index 0000000000..95d251d37c --- /dev/null +++ b/build-aux/Makefile.once.head/zz-mod.mk @@ -0,0 +1,59 @@ +# Copyright (C) 2016 Luke Shumaker +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU Affero General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU Affero General Public License for more details. +# +# You should have received a copy of the GNU Affero General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +mod.mod.description = Display information about Autothing modules +mod.mod.depends += quote +define mod.mod.doc +# Inputs: +# - Files : `$(topsrcdir)/build-aux/Makefile.*/??-*.mk` +# - Global variable : `mod.*.description` +# - Global variable : `mod.*.depends` +# - Global variable : `mod.*.files` +# - Global variable : `mod.*.doc` +# Outputs: +# - Directory variable : `at.targets` +# - .PHONY Target : `$(outdir)/at-variables-local` +# - .PHONY Target : `$(outdir)/at-variables-global` +# - .PHONY Target : `$(outdir)/at-variables` +# - .PHONY Target : `$(outdir)/at-variables/%` +# - .PHONY Target : `$(outdir)/at-values` +# - .PHONY Target : `$(outdir)/at-values/%` +# - .PHONY Target : `$(outdir)/at-modules` +# - .PHONY Target : `$(outdir)/at-modules/%` +# - .PHONY Target : `$(outdir)/at-noop` +# +# TODO: prose documentation +endef +mod.mod.doc := $(value mod.mod.doc) + +# The trickery that is _mod.empty/_mod.space is from ยง6.2 of the GNU Make +# manual, "The Two Flavors of Variables". +_mod.empty := +_mod.space := $(_mod.empty) # +undefine _mod.empty +# _mod.rest is equivalent to GMSL rest. +_mod.rest = $(wordlist 2,$(words $1),$1) + +_mod.file2mod = $(foreach _mod.tmp,$(patsubst %.mk,%,$(notdir $1)),$(subst $(_mod.space),-,$(call _mod.rest,$(subst -, ,$(_mod.tmp))))) + +_mod.modules := $(sort $(call _mod.file2mod,$(wildcard $(topsrcdir)/build-aux/Makefile.*/??-*.mk))) +undefine _mod.rest +undefine _mod.file2mod + +$(eval $(foreach _mod.tmp,$(_mod.modules),\ + mod.$(_mod.tmp).description ?=$(at.nl)\ + mod.$(_mod.tmp).depends ?=$(at.nl)\ + mod.$(_mod.tmp).files ?=$(at.nl)\ + mod.$(_mod.tmp).doc ?=$(at.nl))) |