diff options
Diffstat (limited to 'automake.head.mk')
-rw-r--r-- | automake.head.mk | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/automake.head.mk b/automake.head.mk new file mode 100644 index 0000000..a3c90fd --- /dev/null +++ b/automake.head.mk @@ -0,0 +1,58 @@ +# Copyright (C) 2015-2016 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/>. + +_am = am_ + +_am_noslash = $(patsubst %/.,%,$(patsubst %/,%,$1)) +# These are all $(call _am_func,parent,child) +#_am_relto = $(if $2,$(shell realpath -s --relative-to='$1' $2)) +_am_is_subdir = $(filter $(abspath $1)/%,$(abspath $2)/.) +_am_relto_helper = $(if $(call _am_is_subdir,$1,$2),$(patsubst $1/%,%,$(addsuffix /.,$2)),$(addprefix ../,$(call _am_relto_helper,$(patsubst %/,%,$(dir $1)),$2))) +_am_relto = $(call _am_noslash,$(call _am_relto_helper,$(call _am_noslash,$(abspath $1)),$(call _am_noslash,$(abspath $2)))) +# Note that _am_is_subdir says that a directory is a subdirectory of +# itself. +_am_path = $(call _am_relto,.,$1) + +## Declare the default target +all: build +.PHONY: all + +## Set topoutdir, outdir, and srcdir (assumes that topsrcdir is +## already set, and that $(topoutdir)/config.mk has been included) +ifeq ($(topoutdir),) +topoutdir := $(call _am_path,$(dir $(lastword $(filter %/config.mk config.mk,$(MAKEFILE_LIST))))) +endif + outdir := $(call _am_path,$(dir $(lastword $(filter-out %.mk,$(MAKEFILE_LIST))))) + srcdir := $(call _am_path,$(topsrcdir)/$(call _am_relto,$(topoutdir),$(outdir))) + +_am_included_makefiles := $(_am_included_makefiles) $(call _am_path,$(outdir)/Makefile) + +## Empty variables for use by the module +$(_am)subdirs = +$(_am)depdirs = + +$(_am)src_files = +$(_am)gen_files = +$(_am)cfg_files = +$(_am)out_files = +$(_am)sys_files = + +$(_am)clean_files = +$(_am)slow_files = + +ifeq ($(_am_NO_ONCE),) +include $(topsrcdir)/common.once.head.mk +endif +include $(topsrcdir)/common.each.head.mk |