From ff4c4cf32f993059889d85578e4802f372e768f1 Mon Sep 17 00:00:00 2001
From: Luke Shumaker <lukeshu@sbcglobal.net>
Date: Fri, 27 May 2016 21:09:58 -0400
Subject: move everything into build-aux

---
 automake.head.mk              |  56 ---------------
 automake.tail.mk              | 139 -----------------------------------
 automake.txt                  | 164 ------------------------------------------
 build-aux/Makefile.README.txt | 164 ++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 164 insertions(+), 359 deletions(-)
 delete mode 100644 automake.head.mk
 delete mode 100644 automake.tail.mk
 delete mode 100644 automake.txt
 create mode 100644 build-aux/Makefile.README.txt

diff --git a/automake.head.mk b/automake.head.mk
deleted file mode 100644
index 431f14d..0000000
--- a/automake.head.mk
+++ /dev/null
@@ -1,56 +0,0 @@
-# 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 -sm --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)
-am_path = $(foreach p,$1,$(call _am_relto,.,$p))
-
-## Declare the default target
-all: build
-.PHONY: all
-
-## Set outdir and srcdir (assumes that topoutdir and topsrcdir are
-## already set)
-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 each Makefile
-$(_am)subdirs =
-$(_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
diff --git a/automake.tail.mk b/automake.tail.mk
deleted file mode 100644
index a24820b..0000000
--- a/automake.tail.mk
+++ /dev/null
@@ -1,139 +0,0 @@
-# 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/>.
-
-include $(topsrcdir)/common.each.tail.mk
-
-
-# Aggregate variables
-
-# Add some more defaults to the *_files variables
-$(_am)clean_files += $($(_am)gen_files) $($(_am)cfg_files) $($(_am)out_files)
-
-# Now namespace the *_files variables
-define _am_save_variables
-_am_src_files/$(outdir)   = $(addprefix $(srcdir)/,$($(_am)src_files))
-_am_gen_files/$(outdir)   = $(addprefix $(srcdir)/,$($(_am)gen_files))
-_am_cfg_files/$(outdir)   = $(addprefix $(outdir)/,$($(_am)cfg_files))
-_am_out_files/$(outdir)   = $(addprefix $(outdir)/,$($(_am)out_files))
-_am_sys_files/$(outdir)   = $(addprefix $(DESTDIR),$($(_am)sys_files))
-_am_clean_files/$(outdir) = $(addprefix $(outdir)/,$($(_am)clean_files))
-_am_slow_files/$(outdir)  = $(addprefix $(outdir)/,$($(_am)slow_files))
-_am_subdirs/$(outdir)     =                        $($(_am)subdirs)
-endef
-$(eval $(_am_save_variables))
-
-# And add them to the $(parent)_*_files variables (if applicable)
-define _am_add_subdir
-_am_src_files/%(outdir)   += $(_am_src_files/%(subdir))
-_am_gen_files/%(outdir)   += $(_am_gen_files/%(subdir))
-_am_cfg_files/%(outdir)   += $(_am_cfg_files/%(subdir))
-_am_out_files/%(outdir)   += $(_am_out_files/%(subdir))
-_am_sys_files/%(outdir)   += $(_am_sys_files/%(subdir))
-_am_clean_files/%(outdir) += $(_am_clean_files/%(subdir))
-_am_slow_files/%(outdir)  += $(_am_slow_files/%(subdir))
-endef
-$(foreach subdir,$(call _am_path,$(addprefix $(outdir)/,$($(_am)subdirs))),$(eval $(subst %(outdir),$(outdir),$(subst %(subdir),$(subdir),$(value _am_add_subdir)))))
-
-_am_outdirs := $(_am_outdirs) $(outdir)
-
-
-# Do some per-directory magic
-
-_am_phony = build install uninstall mostlyclean clean distclean maintainer-clean check
-
-.PHONY: $(addprefix $(outdir)/,$(_am_phony))
-
-$(addprefix $(outdir)/,uninstall mostlyclean clean distclean maintainer-clean)::
-	$(RM) -- $(sort $(_am_$(@F)/$(@D)))
-	$(RMDIRS) $(sort $(dir $(_am_$(@F)/$(@D)))) 2>/dev/null || $(TRUE)
-
-# 'build' and 'install' must be defined later, because the
-# am_*_files/* variables might not be complete yet.
-
-
-# Include Makefiles from other directories
-
-define _am_nl
-
-
-endef
-
-$(foreach _am_NO_ONCE,y,\
-	$(foreach makefile,$(foreach dir,$($(_am)subdirs) $($(_am)depdirs),$(call _am_path,$(outdir)/$(dir)/Makefile)),\
-		$(eval include $(filter-out $(_am_included_makefiles),$(makefile)))))
-
-
-# This only gets evaluated once, after all of the other Makefiles are read
-ifeq ($(_am_NO_ONCE),)
-# Empty directory-level variables
-outdir = /bogus
-srcdir = /bogus
-
-$(_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 =
-
-_am_clean_files/$(topoutdir) += $(topoutdir)/$(PACKAGE)-$(VERSION).tar.gz
-$(addprefix $(topoutdir)/,mostlyclean clean distclean maintainer-clean) ::
-	$(RM) -r -- $(topoutdir)/$(PACKAGE)-$(VERSION)
-
-define _am_directory_rules
-# Constructive phony targets
-$(outdir)/build  : $(_am_out_files/%(outdir))
-$(outdir)/install: $(_am_sys_files/%(outdir))
-# Destructive phony targets
-_am_uninstall/%(outdir)        = $(_am_sys_files/%(outdir))
-_am_mostlyclean/%(outdir)      = $(filter-out $(_am_slow_files/%(outdir)) $(_am_cfg_files/%(outdir)) $(_am_gen_files/%(outdir)) $(_am_src_files/%(outdir)),$(_am_clean_files/%(outdir)))
-_am_clean/%(outdir)            = $(filter-out                             $(_am_cfg_files/%(outdir)) $(_am_gen_files/%(outdir)) $(_am_src_files/%(outdir)),$(_am_clean_files/%(outdir)))
-_am_distclean/%(outdir)        = $(filter-out                                                        $(_am_gen_files/%(outdir)) $(_am_src_files/%(outdir)),$(_am_clean_files/%(outdir)))
-_am_maintainer-clean/%(outdir) = $(filter-out                                                                                   $(_am_src_files/%(outdir)),$(_am_clean_files/%(outdir)))
-endef
-$(foreach outdir,$(_am_outdirs),$(eval $(subst %(outdir),$(outdir),$(value _am_directory_rules))))
-
-# Add the `dist` target
-.PHONY: dist
-dist: $(topoutdir)/$(PACKAGE)-$(VERSION).tar.gz
-$(topoutdir)/$(PACKAGE)-$(VERSION).tar.gz: $(topoutdir)/$(PACKAGE)-$(VERSION)
-	$(TAR) czf $@ -C $(<D) $(<F)
-_am_copyfile = $(MKDIRS) $(dir $2) && $(CP) -T $1 $2
-_am_addfile = $(call _am_copyfile,$3,$2/$(call _am_relto,$1,$3))
-$(topoutdir)/$(PACKAGE)-$(VERSION): $(_am_src_files/$(topoutdir)) $(_am_gen_files/$(topoutdir))
-	$(RM) -r $@
-	@PS4='' && set -x && \
-	$(MKDIR) $(@D)/tmp.$(@F).$$$$ && \
-	$(foreach f,$^,$(call _am_addfile,$(topsrcdir),$(@D)/tmp.$(@F).$$$$,$f) &&) \
-	$(MV) $(@D)/tmp.$(@F).$$$$ $@ || $(RM) -r $(@D)/tmp.$(@F).$$$$
-
-include $(topsrcdir)/common.once.tail.mk
-
-# For some reason I can't explain, RM doesn't really get set with ?=
-CP     ?= cp
-MKDIR  ?= mkdir
-MKDIRS ?= mkdir -p
-MV     ?= mv
-RM      = rm -f
-RMDIRS ?= rmdir -p
-TAR    ?= tar
-TRUE   ?= true
-
-.PHONY: noop
-endif
diff --git a/automake.txt b/automake.txt
deleted file mode 100644
index 935af5f..0000000
--- a/automake.txt
+++ /dev/null
@@ -1,164 +0,0 @@
-Luke's AutoMake
-===============
-
-Yo, this document is incomplete.  It describes the magical
-automake.{head,tail}.mk Makefiles and how to use them, kinda.
-
-I wrote a "clone" of automake.  I say clone, because it works
-differently.  Yeah, I need a new name for it.
-
-High-level overview
--------------------
-
-Now, what this does for you is:
-
-It makes it _easy_ to write non-recursive Makefiles--and ones that are
-similar to plain recursive Makefiles, at that! (search for the paper
-"Recursive Make Considered Harmful")  As harmful as recursive make is,
-it's historically been difficult to to write non-recursive Makefiles.
-This makes it easy.
-
-It also makes it easy to follow the GNU standards for your makefiles:
-it takes care of this entire table of .PHONY targets for you:
-
-| this | and this         | are aliases for this                                   |
-|------+------------------+--------------------------------------------------------|
-| all  | build            | $(outdir)/build                                        |
-|      | install          | $(outdir)/install                                      |
-|      | uninstall        | $(outdir)/uninstall                                    |
-|      | mostlyclean      | $(outdir)/mostlyclean                                  |
-|      | clean            | $(outdir)/clean                                        |
-|      | distclean        | $(outdir)/distclean                                    |
-|      | maintainer-clean | $(outdir)/maintainer-clean                             |
-|      | check            | $(outdir)/check (not implemented for you)              |
-|      | dist             | $(topoutdir)/$(PACKAGE)-$(VERSION).tar.gz (not .PHONY) |
-
-(You are still responsible for implementing the `$(outdir)/check`
-target in each of your Makefiles.)
-
-What you have to do is:
-
-In each source directory, you write a `Makefile`, very similarly to if
-you were writing for plain GNU Make, with
-
-    topoutdir ?= ...
-    topsrcdir ?= ...
-    include $(topsrcdir)/automake.head.mk
-
-    # your makefile
-    
-    include $(topsrcdir)/automake.tail.mk
-
-And in the top-level source directory, Write your own helper makefiles
-that get included:
- - `common.once.head.mk`: before parsing any of your Makefiles
- - `common.each.head.mk`: before parsing each of your Makefiles
- - `common.each.tail.mk`: after parsing each of your Makefiles
- - `common.each.tail.mk`: after parsing all of your Makefiles
-
-The `common.*.mk` makefiles are nice for including generic pattern
-rules and variables that aren't specific to a directory.
-
-You're probably thinking that this sounds too good to be true!
-Unfortunately, there are two major deviations from writing a plain
-recursive Makefile:
-
- 1. all targets and prerequisites (including .PHONY targets!) need to
-    be prefixed with
-    `$(srcdir)`/`$(outdir)`/`$(topsrcdir)`/`$(topoutdir)`.
-      * sub-gotcha: this means that if a pattern rule has a
-        prerequisite that may be in srcdir or outdir, then it must be
-        specified twice, once for each case.
- 2. if a prerequisite is in a directory "owned" by another Makefile,
-    you must filter the pathname through `am_path`:
-    `$(call am_path,YOUR_PATH)`.  Further, that path must NOT contain
-    a `..` segment; if you need to refer to a sibling directory, do it
-    relative to `$(topoutdir)` or `$(topsrcdir)`.
-
-Telling automake about your program
------------------------------------
-
-You tell automake what to do for you by setting some variables.  They
-are all prefixed with `am_`; this prefix may be changed by editing the
-`_am` variable at the top of `automake.head.mk`.
-
-The exception to this is the `am_path` variable, which is a macro that
-is used to make a list of filenames relative to the appropriate
-directory, because unlike normal GNU (Auto)Make, `$(outdir)` isn't
-nescessarily equal to `.`.  See above.
-
-There are several commands that generate files; simply record the list
-of files that each command generates as the following variable
-variables:
-
-| Variable     | Create Command | Delete Command              | Description                       | Relative to |
-|--------------+----------------+-----------------------------+-----------------------------------+-------------|
-| am_src_files | emacs          | rm -rf .                    | Files that the developer writes   | srcdir      |
-| am_gen_files | ???            | make maintainer-clean       | Files the developer compiles      | srcdir      |
-| am_cfg_files | ./configure    | make distclean              | Users' compile-time configuration | outdir      |
-| am_out_files | make all       | make mostlyclean/make clean | Files the user compiles           | outdir      |
-| am_sys_files | make install   | make uninstall              | Files the user installs           | DESTDIR     |
-
-In addition, there are two more variables that control not how files
-are created, but how they are deleted:
-
-| Variable       | Affected command | Description                                    | Relative to |
-|----------------+------------------+------------------------------------------------+-------------|
-| am_clean_files | make clean       | A list of things to `rm` in addition to the    | outdir      |
-|                |                  | files in `$(am_out_files)`.  (Example: `*.o`)  |             |
-|----------------+------------------+------------------------------------------------+-------------|
-| am_slow_files  | make mostlyclean | A list of things that (as an exception) should | outdir      |
-|                |                  | _not_ be deleted.  (otherwise, `mostlyclean`   |             |
-|                |                  | is the same as `clean`)                        |             |
-
-Finally, there are two variables that express the relationships
-between directories:
-
-| Variable   | Description                                             |
-|------------+---------------------------------------------------------|
-| am_subdirs | A list of other directories (containing Makefiles) that |
-|            | may be considered "children" of this                    |
-|            | directory/Makefile; building a phony target in this     |
-|            | directory should also build it in the subdirectory.     |
-|            | They are not necesarily actually subdirectories of this |
-|            | directory in the filesystem.                            |
-|------------+---------------------------------------------------------|
-| am_depdirs | A list of other directories (containing Makefiles) that |
-|            | contain or generate files that are dependencies of      |
-|            | targets in this directory.  They are not necesarily     |
-|            | actually subdirectories of this directory in the        |
-|            | filesystem.  Except for files that are dependencies of  |
-|            | files in this directory, things in the dependency       |
-|            | directory will not be built.                            |
-
-Tips, notes
------------
-
-I like to have the first (non-comment) line in a Makefile be:
-
-    include $(dir $(lastword $(MAKEFILE_LIST)))/../../config.mk
-
-(adjusting the number of `../` sequences as nescessary).  Then, my
-(user-editable) `config.mk` is of the form:
-
-    ifeq ($(topsrcdir),)
-    topoutdir := $(patsubst %/,%,$(dir $(lastword $(MAKEFILE_LIST))))
-    topsrcdir := $(topoutdir)
-
-    # your configuration
-
-    endif
-
-If the package has a `./configure` script, then I have it modifiy
-topsrcdir as necessary, as well as modifying whatever other parts of
-the configuration.  All of the configuration lives in `config.mk`;
-`./configure` doesn't modify any `Makefile`s, it just generates
-`config.mk`, and copies (or (sym?)link?) every `$(srcdir)/Makefile` to
-`$(outdir)/Makefile`.
-
-----
-Copyright (C) 2016  Luke Shumaker
-
-This documentation file is placed into the public domain.  If that is
-not possible in your legal system, I grant you permission to use it in
-absolutely every way that I can legally grant to you.
diff --git a/build-aux/Makefile.README.txt b/build-aux/Makefile.README.txt
new file mode 100644
index 0000000..935af5f
--- /dev/null
+++ b/build-aux/Makefile.README.txt
@@ -0,0 +1,164 @@
+Luke's AutoMake
+===============
+
+Yo, this document is incomplete.  It describes the magical
+automake.{head,tail}.mk Makefiles and how to use them, kinda.
+
+I wrote a "clone" of automake.  I say clone, because it works
+differently.  Yeah, I need a new name for it.
+
+High-level overview
+-------------------
+
+Now, what this does for you is:
+
+It makes it _easy_ to write non-recursive Makefiles--and ones that are
+similar to plain recursive Makefiles, at that! (search for the paper
+"Recursive Make Considered Harmful")  As harmful as recursive make is,
+it's historically been difficult to to write non-recursive Makefiles.
+This makes it easy.
+
+It also makes it easy to follow the GNU standards for your makefiles:
+it takes care of this entire table of .PHONY targets for you:
+
+| this | and this         | are aliases for this                                   |
+|------+------------------+--------------------------------------------------------|
+| all  | build            | $(outdir)/build                                        |
+|      | install          | $(outdir)/install                                      |
+|      | uninstall        | $(outdir)/uninstall                                    |
+|      | mostlyclean      | $(outdir)/mostlyclean                                  |
+|      | clean            | $(outdir)/clean                                        |
+|      | distclean        | $(outdir)/distclean                                    |
+|      | maintainer-clean | $(outdir)/maintainer-clean                             |
+|      | check            | $(outdir)/check (not implemented for you)              |
+|      | dist             | $(topoutdir)/$(PACKAGE)-$(VERSION).tar.gz (not .PHONY) |
+
+(You are still responsible for implementing the `$(outdir)/check`
+target in each of your Makefiles.)
+
+What you have to do is:
+
+In each source directory, you write a `Makefile`, very similarly to if
+you were writing for plain GNU Make, with
+
+    topoutdir ?= ...
+    topsrcdir ?= ...
+    include $(topsrcdir)/automake.head.mk
+
+    # your makefile
+    
+    include $(topsrcdir)/automake.tail.mk
+
+And in the top-level source directory, Write your own helper makefiles
+that get included:
+ - `common.once.head.mk`: before parsing any of your Makefiles
+ - `common.each.head.mk`: before parsing each of your Makefiles
+ - `common.each.tail.mk`: after parsing each of your Makefiles
+ - `common.each.tail.mk`: after parsing all of your Makefiles
+
+The `common.*.mk` makefiles are nice for including generic pattern
+rules and variables that aren't specific to a directory.
+
+You're probably thinking that this sounds too good to be true!
+Unfortunately, there are two major deviations from writing a plain
+recursive Makefile:
+
+ 1. all targets and prerequisites (including .PHONY targets!) need to
+    be prefixed with
+    `$(srcdir)`/`$(outdir)`/`$(topsrcdir)`/`$(topoutdir)`.
+      * sub-gotcha: this means that if a pattern rule has a
+        prerequisite that may be in srcdir or outdir, then it must be
+        specified twice, once for each case.
+ 2. if a prerequisite is in a directory "owned" by another Makefile,
+    you must filter the pathname through `am_path`:
+    `$(call am_path,YOUR_PATH)`.  Further, that path must NOT contain
+    a `..` segment; if you need to refer to a sibling directory, do it
+    relative to `$(topoutdir)` or `$(topsrcdir)`.
+
+Telling automake about your program
+-----------------------------------
+
+You tell automake what to do for you by setting some variables.  They
+are all prefixed with `am_`; this prefix may be changed by editing the
+`_am` variable at the top of `automake.head.mk`.
+
+The exception to this is the `am_path` variable, which is a macro that
+is used to make a list of filenames relative to the appropriate
+directory, because unlike normal GNU (Auto)Make, `$(outdir)` isn't
+nescessarily equal to `.`.  See above.
+
+There are several commands that generate files; simply record the list
+of files that each command generates as the following variable
+variables:
+
+| Variable     | Create Command | Delete Command              | Description                       | Relative to |
+|--------------+----------------+-----------------------------+-----------------------------------+-------------|
+| am_src_files | emacs          | rm -rf .                    | Files that the developer writes   | srcdir      |
+| am_gen_files | ???            | make maintainer-clean       | Files the developer compiles      | srcdir      |
+| am_cfg_files | ./configure    | make distclean              | Users' compile-time configuration | outdir      |
+| am_out_files | make all       | make mostlyclean/make clean | Files the user compiles           | outdir      |
+| am_sys_files | make install   | make uninstall              | Files the user installs           | DESTDIR     |
+
+In addition, there are two more variables that control not how files
+are created, but how they are deleted:
+
+| Variable       | Affected command | Description                                    | Relative to |
+|----------------+------------------+------------------------------------------------+-------------|
+| am_clean_files | make clean       | A list of things to `rm` in addition to the    | outdir      |
+|                |                  | files in `$(am_out_files)`.  (Example: `*.o`)  |             |
+|----------------+------------------+------------------------------------------------+-------------|
+| am_slow_files  | make mostlyclean | A list of things that (as an exception) should | outdir      |
+|                |                  | _not_ be deleted.  (otherwise, `mostlyclean`   |             |
+|                |                  | is the same as `clean`)                        |             |
+
+Finally, there are two variables that express the relationships
+between directories:
+
+| Variable   | Description                                             |
+|------------+---------------------------------------------------------|
+| am_subdirs | A list of other directories (containing Makefiles) that |
+|            | may be considered "children" of this                    |
+|            | directory/Makefile; building a phony target in this     |
+|            | directory should also build it in the subdirectory.     |
+|            | They are not necesarily actually subdirectories of this |
+|            | directory in the filesystem.                            |
+|------------+---------------------------------------------------------|
+| am_depdirs | A list of other directories (containing Makefiles) that |
+|            | contain or generate files that are dependencies of      |
+|            | targets in this directory.  They are not necesarily     |
+|            | actually subdirectories of this directory in the        |
+|            | filesystem.  Except for files that are dependencies of  |
+|            | files in this directory, things in the dependency       |
+|            | directory will not be built.                            |
+
+Tips, notes
+-----------
+
+I like to have the first (non-comment) line in a Makefile be:
+
+    include $(dir $(lastword $(MAKEFILE_LIST)))/../../config.mk
+
+(adjusting the number of `../` sequences as nescessary).  Then, my
+(user-editable) `config.mk` is of the form:
+
+    ifeq ($(topsrcdir),)
+    topoutdir := $(patsubst %/,%,$(dir $(lastword $(MAKEFILE_LIST))))
+    topsrcdir := $(topoutdir)
+
+    # your configuration
+
+    endif
+
+If the package has a `./configure` script, then I have it modifiy
+topsrcdir as necessary, as well as modifying whatever other parts of
+the configuration.  All of the configuration lives in `config.mk`;
+`./configure` doesn't modify any `Makefile`s, it just generates
+`config.mk`, and copies (or (sym?)link?) every `$(srcdir)/Makefile` to
+`$(outdir)/Makefile`.
+
+----
+Copyright (C) 2016  Luke Shumaker
+
+This documentation file is placed into the public domain.  If that is
+not possible in your legal system, I grant you permission to use it in
+absolutely every way that I can legally grant to you.
-- 
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