Lady’s Gitweb - Shushe/blob - GNUmakefile

   1 # SPDX-FileCopyrightText: 2023, 2024 Lady <https://www.ladys.computer/about/#lady>
   2 # SPDX-License-Identifier: MPL-2.0
   3
   4 SHELL = /bin/sh
   5
   6 # ━ § BASIC INFORMATION ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   7 override define makefileinfo
   8  ╭────────────────────────────╮
   9 ╔╡ ⁌ ⛩️📰 书社 ∷ GNUmakefile ╞═════════════════════════════════╗
  10 ║╰────────────────────────────╯                                ║
  11 ╟┬ ¶ Prerequisites ───────────────────────────────────────────┬╢
  12 ║│                                                            │║
  13 ║│ Requires G·N·U Make, at least version 3.81, a version of   │║
  14 ║│ uuencode with base64 support, and the various programs     │║
  15 ║│ offered by libxml2 and libxslt. Beyond this, only programs │║
  16 ║│ required by Posix are required, altho there is a chance of │║
  17 ║│ version incompatibilities. The full list of program        │║
  18 ║│ requirements is as follows :—                             │║
  19 ║│                                                            │║
  20 ║│ • awk                                                      │║
  21 ║│ • cat                                                      │║
  22 ║│ • cksum                                                    │║
  23 ║│ • cp                                                       │║
  24 ║│ • date                                                     │║
  25 ║│ • diff                                                     │║
  26 ║│ • file                                                     │║
  27 ║│ • find                                                     │║
  28 ║│ • grep                                                     │║
  29 ║│ • git (optional)                                           │║
  30 ║│ • ln                                                       │║
  31 ║│ • mkdir                                                    │║
  32 ║│ • mv                                                       │║
  33 ║│ • od                                                       │║
  34 ║│ • pax (only when generating archives)                      │║
  35 ║│ • printf                                                   │║
  36 ║│ • rm                                                       │║
  37 ║│ • sed                                                      │║
  38 ║│ • sleep                                                    │║
  39 ║│ • test                                                     │║
  40 ║│ • touch                                                    │║
  41 ║│ • tr                                                       │║
  42 ║│ • uuencode                                                 │║
  43 ║│ • uudecode                                                 │║
  44 ║│ • xargs                                                    │║
  45 ║│ • xmlcatalog (provided by libxml2)                         │║
  46 ║│ • xmllint (provided by libxml2)                            │║
  47 ║│ • xsltproc (provided by libxslt)                           │║
  48 ║│                                                            │║
  49 ║│ In all cases, you can supply your own version of any       │║
  50 ║│ program `program´ by overriding the corresponding variable │║
  51 ║│ `PROGRAM´ when calling Make.                               │║
  52 ║╰────────────────────────────────────────────────────────────╯║
  53 ╟┬ ¶ Usage ───────────────────────────────────────────────────┬╢
  54 ║│                                                            │║
  55 ║│ • `make all´ (default): Compile, but do not install, all   │║
  56 ║│   files.                                                   │║
  57 ║│                                                            │║
  58 ║│ • `make clean´: Remove `BUILDDIR´.                         │║
  59 ║│                                                            │║
  60 ║│ • `make gone´: Remove `BUILDDIR´ and installed files.      │║
  61 ║│                                                            │║
  62 ║│ • `make help´: Print this message.                         │║
  63 ║│                                                            │║
  64 ║│ • `make install´: Compile all files and install in         │║
  65 ║│   `DESTDIR´.                                               │║
  66 ║│                                                            │║
  67 ║│ • `make list´: List all recognized source files and their  │║
  68 ║│   classification (including media type and dependencies).  │║
  69 ║│                                                            │║
  70 ║│ • `make listout´: List out the destinations of all         │║
  71 ║│   resulting files (relative to `DESTDIR´), e·g for         │║
  72 ║│   processing by another script.                            │║
  73 ║│                                                            │║
  74 ║│ • `make uninstall´: Remove installed files, but not        │║
  75 ║│   `BUILDDIR´.                                              │║
  76 ║│                                                            │║
  77 ║│ Set `VERBOSE=1´ to see the text of commands as they are    │║
  78 ║│ executed.                                                  │║
  79 ║│                                                            │║
  80 ║│ See `README.markdown´ for a more involved description of   │║
  81 ║│ the capabilities and configuration of this program.        │║
  82 ║╰────────────────────────────────────────────────────────────╯║
  83 ╟┬ ¶ Copyright & License ─────────────────────────────────────┬╢
  84 ║│                                                            │║
  85 ║│ Copyright © 2023–2024 Lady [@ Lady’s Computer].            │║
  86 ║│                                                            │║
  87 ║│ This Source Code Form is subject to the terms of the       │║
  88 ║│ Mozilla Public License, v 2.0. If a copy of the M·P·L was  │║
  89 ║│ not distributed with this file, You can obtain one at      │║
  90 ║│ <http://mozilla.org/MPL/2.0/>.                             │║
  91 ║╰────────────────────────────────────────────────────────────╯║
  92 ╚══════════════════════════════════════════════════════════════╝
  93 endef
  94
  95 # ━ § MAKE·FILE SETUP ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  96
  97 # Programs needed to run this make·file.
  98 #
  99 # If these are not installed on your computer, or you need to use a different implementation, you can override the appropriate variable.
 100 AWK := awk
 101 CAT := cat
 102 CKSUM := cksum
 103 CP := cp
 104 DATE := date
 105 DIFF := diff
 106 FILE := file
 107 FIND := find
 108 GIT := git
 109 GREP := grep
 110 LN := ln
 111 MKDIR := mkdir
 112 MV := mv
 113 OD := od
 114 PAX := pax
 115 PRINTF := printf
 116 RM := rm
 117 SED := sed
 118 SLEEP := sleep
 119 TEST := test
 120 TOUCH := touch
 121 TR := tr
 122 UUDECODE := uudecode
 123 UUENCODE := uuencode
 124 XARGS := xargs
 125 XMLCATALOG := xmlcatalog
 126 XMLLINT := xmllint
 127 XSLTPROC := xsltproc
 128
 129 # This variable is not used in normal execution.
 130 #
 131 # In the archiving `MODE´, it provides the X·M·L file from which the archive should be constructed.
 132 SRC :=
 133
 134 # This variable is not used in normal execution.
 135 #
 136 # In the archiving `MODE´, it provides a user‐friendly name for the archive.
 137 NAME :=
 138
 139 # The directory which contains the source files.
 140 #
 141 # Multiple directories can be given so long as files with the same name do not exist in each.
 142 SRCDIR := sources
 143
 144 # The directory which contains “includes”:
 145 # Files which may be included in other files but for which no final output will be generated.
 146 #
 147 # Multiple directories can be given so long as files with the same name do not exist in each.
 148 #
 149 # These can be inside of `SRCDIR´ directories if desired.
 150 INCLUDEDIR := sources/includes
 151
 152 # The directory in which to generate temporary buildfiles.
 153 #
 154 # This variable is also used by the archiving `MODE´.
 155 BUILDDIR := build
 156
 157 # The directory into which to output files on `make install´.
 158 #
 159 # This variable is also used by the archiving `MODE´.
 160 DESTDIR := public
 161
 162 # The location of this Makefile (and related ⛩️📰 书社 files), relative to the current working directory.
 163 #
 164 # By default, this is inferred from the variable `MAKEFILE_LIST´.
 165 #
 166 # This variable is also used by the archiving `MODE´.
 167 THISDIR := $(patsubst %/,%,$(dir $(lastword $(MAKEFILE_LIST))))
 168
 169 # Configuration of `find´.
 170 #
 171 # By default, `find´ will ignore files which begin with a period and those which are likely to cause problems for `make´.
 172 EXTRAFINDRULES :=
 173 EXTRAFINDINCLUDERULES :=
 174 FINDRULES := ! '(' '(' -name '[.-]*' -o -name '*[][*?:|$$%\#\\; ]*' -o -name '*[)]' ')' -a -prune ')'$(if $(EXTRAFINDRULES), -a $(EXTRAFINDRULES),)
 175 FINDINCLUDERULES := $(FINDRULES)$(if $(EXTRAFINDINCLUDERULES), -a $(EXTRAFINDINCLUDERULES),)
 176
 177 # The list of magic files to use when determining media types.
 178 #
 179 # Some are provided as part of this repository, but you can add more if you need different media type detection.
 180 #
 181 # Your computer probably has several already installed at `/usr/share/file/magic´.
 182 EXTRAMAGIC :=
 183 MAGIC := $(sort $(patsubst ./%,%,$(wildcard $(THISDIR)/magic/*)) $(EXTRAMAGIC))
 184
 185 # The list of parsers for plaintext file types.
 186 #
 187 # Which parsers are provided will influence which kinds of files are recognized as plaintext.
 188 EXTRAPARSERS :=
 189 PARSERS := $(sort $(patsubst ./%,%,$(wildcard $(THISDIR)/parsers/*.xslt)) $(EXTRAPARSERS))
 190
 191 # The list of transforms.
 192 EXTRATRANSFORMS :=
 193 TRANSFORMS := $(sort $(patsubst ./%,%,$(wildcard $(THISDIR)/transforms/*.xslt)) $(EXTRATRANSFORMS))
 194
 195 # List of types which should be treated as X·M·L.
 196 #
 197 # Types which start with a `+´ are suffixes and match any type which
 198 # ends accordingly.
 199 XMLTYPES := application/xml text/xml +xml
 200
 201 ifdef GIT
 202 ifneq ($(wildcard $(THISDIR)/.git),)
 203 # A description of the current git revision of ⛩️📰 书社.
 204 THISREV := $(shell cd $(THISDIR); $(GIT) describe 2> /dev/null || $(GIT) rev-parse HEAD 2> /dev/null || true)
 205 endif
 206
 207 ifneq ($(wildcard .git),)
 208 # A description of the current git revision of the working directory.
 209 SRCREV := $(shell $(GIT) describe 2> /dev/null || $(GIT) rev-parse HEAD 2> /dev/null || true)
 210 endif
 211 endif
 212
 213 # The mode in which to run this make·file.
 214 # Modes essentially allow for the combination of multiple conceptual make·files into a single source.
 215 #
 216 # The following modes are available :—
 217 #
 218 # • ‹ urn:fdc:ladys.computer:20231231:Shu1She4:mode:default ›:
 219 #   The default mode; typical Shushe behaviours.
 220 #
 221 # • ‹ urn:fdc:ladys.computer:20231231:Shu1She4:mode:archive ›:
 222 #   Generates archive files from parse results.
 223 MODE := urn:fdc:ladys.computer:20231231:Shu1She4:mode:default
 224
 225 # Set to a non·empty value to silence informative messages.
 226 QUIET :=
 227
 228 # Set to a non·empty value to print all commands as they run.
 229 VERBOSE :=
 230
 231 # The default target for this makefile.
 232 .DEFAULT_GOAL := all
 233
 234 # ━ § BEGIN SHARED MAKE·FILE CONSTRUCTS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 235
 236 # ─ ¶ Non‐Recipe Variable Definitions ─────────────────────────────────
 237
 238 # A variable with no value, usable when assigning values which contain whitespace.
 239 override empty :=
 240
 241 # A variable which contains a newline, to allow the generation of multiline strings in function calls.
 242 override define newline
 243
 244
 245 endef
 246
 247 # A variable which contains a single space.
 248 override space := $(empty) $(empty)
 249
 250 # A variable which contains a single comma.
 251 override comma := ,
 252
 253 # (callable) Quote the given string for use within shell calls.
 254 override quote = '$(subst ','"'"',$1)'
 255
 256 # (callable) Get the modified time of the provided file.
 257 #
 258 # This touches a file containing only a newline and then diffs it with `/dev/null´ and extracts the timestamp from the diff.
 259 # Interestingly, on Macintosh, the format of `diff -u´ is only Posixy (including a fractional component and timezone) when `COMMAND_MODE=legacy´; however, the timezone will always be zero and the fractional component is ignorable, so it’s not necessary to worry about that here.
 260 #
 261 # The diff will always have an exit status of 1, but this is ignored by piping into Sed.
 262 #
 263 # ☡ This variable creates a subshell every time it is computed.
 264 override modtime = $(shell if $(TEST) ! -f $(call quote,$(BUILDDIR)/.mtime); then $(PRINTF) '%b' '\n' > $(call quote,$(BUILDDIR)/.mtime); fi; $(TOUCH) -r $(call quote,$1) $(call quote,$(BUILDDIR)/.mtime); TZ=UTC0 $(DIFF) -u $(call quote,$(BUILDDIR)/.mtime) /dev/null | $(SED) '1!d;s/.*   \([^ ]*\) \([^ ]*\).*$$/\1T\2Z/')
 265
 266 # ─ ¶ Recipe Variable Definitions ─────────────────────────────────────
 267
 268 # Outputs an `@´ to silence rules, unless `VERBOSE´ is non·empty.
 269 override silent := $(if $(VERBOSE),,@)
 270
 271 # (callable) Only perform the rule if `QUIET` is not set.
 272 override inform = $(if $(QUIET),,@$1)
 273
 274 # (callable) Check to see if the given directory exists and create it if not.
 275 override ensuredirectory = if $(TEST) ! -d $(call quote,$1); then $(MKDIR) -p $(call quote,$1); fi
 276
 277 # Quote standard input in such a way that piping it to xargs will result in it being processed as a single argument.
 278 #
 279 # If standard input ends in a newline, it is stripped; all other newlines are preserved.
 280 override xargsquote = $(SED) $(call quote,s/'/'"'"'/g;s/^/'/;s/$$/'/;$$!s/$$/\\/)
 281
 282 # Quote standard input in such a way that piping it to xargs will result in each line being processed as a single argument.
 283 override xargsmultiquote = $(SED) $(call quote,s/'/'"'"'/g;s/^/'/;s/$$/'/)
 284
 285 # (callable) Test if the provided xpath expression matches the provided document.
 286 override xpath = $(XMLLINT) --xpath $(call quote,$1) $(call quote,$2) > /dev/null 2> /dev/null
 287
 288 # (callable) Extract the value of the text nodes in the provided X·M·L document and print them to `stdout´.
 289 override extracttext = $(PRINTF) '%s' '<transform xmlns="http://www.w3.org/1999/XSL/Transform" version="1.0"><output method="text" encoding="UTF-8"/></transform>' | $(XSLTPROC) --nonet --novalid - $(call quote,$1)
 290
 291 # (callable) Process the provided transformation result and output the result to the provided location, given the provided relative path.
 292 override processresultto = if $(call xpath,/*[local-name()="raw-text" and namespace-uri()="urn:fdc:ladys.computer:20231231:Shu1She4"],$1); then $(call extracttext,$1) > $(call quote,$2); elif $(call xpath,/*[local-name()="base64-binary" and namespace-uri()="urn:fdc:ladys.computer:20231231:Shu1She4"],$1); then { $(PRINTF) '%s\n' 'begin-base64 644 -'; $(call extracttext,$1) | $(TR) -d '\t\n\f\r '; $(PRINTF) '\n%s\n' '===='; } | $(UUDECODE) -o /dev/stdout > $(call quote,$2); elif $(call xpath,/*[local-name()="archive" and namespace-uri()="urn:fdc:ladys.computer:20231231:Shu1She4"],$1); then $(MAKE) -f $(call quote,$(abspath $(THISDIR)/GNUmakefile)) $(call quote,$2) NAME=$(call quote,$3) SRC=$(call quote,$1) BUILDDIR=$(call quote,$(BUILDDIR)/archive/$3) DESTDIR=$(call quote,$(patsubst %/,%,$(dir $2))) MODE='urn:fdc:ladys.computer:20231231:Shu1She4:mode:archive'; else $(XMLLINT) --nsclean $(call quote,$1) > $(call quote,$2); fi
 293
 294 # ━ § BEGIN DEFAULT MAKE·FILE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 295
 296 ifeq ($(MODE),urn:fdc:ladys.computer:20231231:Shu1She4:mode:default)
 297
 298 # ─ ¶ Non‐Recipe Variable Definitions ─────────────────────────────────
 299
 300 # (callable) Test to see if the prerequisites provided by the second argument matches the value in the file corresponding to the first argument in `$(BUILDDIR)/lastprereqs´.
 301 # If not, save the new value and then add FORCE.
 302 # Return them regardless.
 303 #
 304 # Calling this variable is useful when a given target should be updated whenever its list of prerequisites changes in addition to whenever there is a change to one of its prerequisites.
 305 #
 306 # ☡ This variable creates at least one subshell every time it is computed.
 307 override diffprereqs = $(if $(subst $(shell $(CAT) $(call quote,$(BUILDDIR)/lastprereqs/$1) 2> /dev/null || true),,$2),$2 FORCE$(and $(shell $(call ensuredirectory,$(BUILDDIR)/lastprereqs) && $(PRINTF) '%s\n' $(call quote,$2) > $(BUILDDIR)/lastprereqs/$1),),$2)
 308
 309 # (callable) Escape special characters for use in sed regular expressions.
 310 override sedesc = $(subst /,[/],$(subst $$,\$$,$(subst *,\*,$(subst .,\.,$(subst [,\[,$(subst ^,\^,$(subst \,\\,$1)))))))
 311
 312 # The command to use for percent‐decoding.
 313 override perdeccmd := $(SED) 's/|/%7C/g;s/[\]/%5C/g;s/%[0123456789ABCDEFabcdef]\{2\}/|&|/g' | $(TR) '|' '\n' | $(SED) '/^%[0123456789ABCDEFabcdef]\{2\}$$/!s/%/|%25|/' | $(TR) '|' '\n' | $(AWK) '$$0!~/%/{printf "%s",$$0}/%/{d="0123456789ABCDEF";v=substr(toupper($$0),2,2);printf "\\%04o",(index(d,substr(v,1,1))-1)*16+index(d,substr(v,2,1))-1}' | $(xargsquote) | $(XARGS) -E '' $(PRINTF) '%b'
 314
 315 # (callable) Percent‐decode the given strings.
 316 #
 317 # ☡ This variable creates a subshell every time it is computed.
 318 override perdec = $(shell $(PRINTF) '%s\0450A' $(foreach encoded,$1,$(call quote,$(encoded))) | $(perdeccmd))
 319
 320 # (callable) Percent‐encode the given strings.
 321 #
 322 # This singly‐encodes u·r·i characters and doubly‐encodes other characters, then calls `perdec´ to decode back to a single encoding.
 323 # The encoding assumes the input is a “u·r·i component”; e·g that the resulting string should only contain `pchar´ (but can contain any `sub-delim´).
 324 #
 325 # It is assumed that the given strings do not contain newlines.
 326 #
 327 # ☡ This variable creates a subshell every time it is computed.
 328 override perenc = $(shell $(PRINTF) '%s\n' $(foreach unencoded,$1,$(call quote,$(unencoded))) | $(OD) -t x1 | $(SED) 's/^[0123456789]*//;s/0[Aa]/%&/g;s/2[146789ABCDEabcde]/%&/g;s/3[0123456789AaBbDd]/%&/g;s/40/%&/g;s/[46][123456789ABCDEFabcdef]/%&/g;s/[57][0123456789Aa]/%&/g;s/5[Ff]/%&/g;s/7[Ee]/%&/g;s/[ ][0123456789ABCDEFabcdef]\{2\}/%25&/g' | $(TR) -d ' \n' | $(TR) 'abcdef' 'ABCDEF' | $(perdeccmd))
 329
 330 # (callable) Percent‐encode each component in the given paths.
 331 #
 332 # ☡ This variable creates a subshell every time it is computed.
 333 override pathenc = $(subst %2F,/,$(call perenc,$1))
 334
 335 # (overridable) Collect all of the applicable includes from the includes directory.
 336 sourceincludes := $(shell $(FIND) $(foreach dir,$(INCLUDEDIR),$(call quote,$(dir))) '(' $(FINDRULES) ')' -a -type f)
 337
 338 # (overridable) Collect all of the applicable source files from the source directory, removing any which are also includes.
 339 sourcefiles := $(filter-out $(sourceincludes),$(shell $(FIND) $(foreach dir,$(SRCDIR),$(call quote,$(dir))) '(' $(FINDRULES) ')' -a -type f))
 340
 341 # Figure out the file type of each source file and source include.
 342 ifneq ($(wildcard $(BUILDDIR)/magic.mgc),)
 343 override types := $(shell $(PRINTF) '%s\n' $(call quote,$(sourcefiles) $(sourceincludes)) | $(SED) 's/^ *//;s/ *$$//;s/ {2,}/ /g' | $(TR) ' ' '\n' | $(FILE) -m $(call quote,$(BUILDDIR)/magic.mgc) --mime-type --separator '|' --files-from - | $(SED) 's/| */|/g')
 344 endif
 345
 346 # Get the list of supported plaintext file types from the parser.
 347 ifneq ($(wildcard $(BUILDDIR)/parser.xslt),)
 348 override plaintexttypes := $(filter-out $(XMLTYPES),$(shell $(XMLLINT) --xpath '/*/*[@name="书社:parsers"]//*[namespace-uri()="http://www.w3.org/1999/xhtml" and local-name()="dd"]/text()' $(call quote,$(BUILDDIR)/parser.xslt)))
 349 endif
 350
 351 # (callable) Get all of the files (source and includes) which have the provided types.
 352 #
 353 # If a provided type begins with a `+´, it is analysed as a suffix, and all matching types will be used.
 354 override filesoftype = $(foreach typeorsuffix,$1,$(foreach type,$(if $(filter +%,$(typeorsuffix)),$(sort $(foreach suffixedtype,$(filter %$(typeorsuffix),$(types)),$(lastword $(subst |, ,$(suffixedtype))))),$(typeorsuffix)),$(patsubst %|$(type),%,$(filter %|$(type),$(types)))))
 355
 356 # Build up collections of various file types.
 357 override xmlfiles := $(call filesoftype,$(XMLTYPES))
 358 override plaintextfiles := $(filter-out $(xmlfiles),$(call filesoftype,$(plaintexttypes)))
 359 override assetfiles := $(filter-out $(xmlfiles) $(plaintextfiles),$(sourcefiles) $(sourceincludes))
 360
 361 # (callable) Get the types of the given files.
 362 override typeoffile = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(types))))
 363
 364 # Pair each source magic file with its location in the build directory.
 365 override magicpair := $(foreach magicfile,$(MAGIC),$(magicfile)|$(BUILDDIR)/magic/$(notdir $(magicfile)))
 366
 367 # (callable) Get the source file for the given magic files.
 368 override magicsource = $(foreach magicpath,$1,$(patsubst %|$(magicpath),%,$(firstword $(filter %|$(magicpath),$(magicpair)))))
 369
 370 # (callable) Get the build file for the given magic files.
 371 override magicfile = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(magicpair))))
 372
 373 # (callable) Get the local path for the given source file.
 374 override sourcepath = $(firstword $(foreach directory,$(SRCDIR),$(if $(filter $(directory)/%,$1),$(patsubst $(directory)/%,%,$1),)))
 375
 376 # (callable) Get the local path for the given include.
 377 override includepath = $(firstword $(foreach directory,$(INCLUDEDIR),$(if $(filter $(directory)/%,$1),$(patsubst $(directory)/%,%,$1),)))
 378
 379 # (callable) Get base64 data u·r·i’s for the given files.
 380 #
 381 # ☡ This variable creates a subshell every time it is computed.
 382 override datauri = $(foreach file,$1,data:$(call typeoffile,$(file));base64,$(shell $(UUENCODE) -m $(call quote,$(file)) _ | $(SED) '2,$$!d;$$d' | $(TR) -d ' \n'))
 383
 384 # Pair each source file and include with its local u·r·i.
 385 override sourcelocalpair := $(foreach file,$(sourcefiles) $(sourceincludes),$(file)|about:shushe?$(if $(filter $(file),$(sourceincludes)),include=$(call pathenc,$(call includepath,$(file))),source=$(call pathenc,$(call sourcepath,$(file)))))
 386
 387 # (callable) Get local uris for the given files.
 388 override localuri = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(sourcelocalpair))))
 389
 390 # (callable) Get the source files for the given local uris.
 391 override sourcefile = $(foreach local,$1,$(patsubst %|$(local),%,$(filter %|$(local),$(sourcelocalpair))))
 392
 393 # Adds a requirement on `$(BUILDDIR)/.update-types´ if the file is present.
 394 #
 395 # This file is created after a reload due to type changes, and is removed after.
 396 # Requiring it ensures that file classifications are up·to·date immediately after the reload.
 397 override typeupdates := $(wildcard $(BUILDDIR)/.update-types)
 398
 399 # Pair each source file and include with its parsed location.
 400 override sourceparsedpair := $(foreach file,$(sourcefiles) $(sourceincludes),$(file)|$(BUILDDIR)/$(if $(filter $(file),$(sourceincludes)),includes/$(call includepath,$(file)),sources/$(call sourcepath,$(file))))
 401
 402 # (callable) Get the location of the transformed X·M·L files for the given source files.
 403 override parsed = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(sourceparsedpair))))
 404
 405 # (callable) Get the source files for the given parsed file.
 406 override unparsed = $(foreach file,$1,$(patsubst %|$(file),%,$(filter %|$(file),$(sourceparsedpair))))
 407
 408 # Pair each parser, transform, or parsed file with its file u·r·i.
 409 override fileuripairs := $(join $(patsubst %,%|,$(PARSERS) $(TRANSFORMS) $(call parsed,$(sourcefiles) $(sourceincludes))),$(call pathenc,$(foreach uriable,$(PARSERS) $(TRANSFORMS) $(call parsed,$(sourcefiles) $(sourceincludes)),file://$(abspath $(uriable)))))
 410
 411 # (callable) Get the file u·r·is for the given parsers, transforms, or parsed files.
 412 override fileuri = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(fileuripairs))))
 413
 414 ifneq ($(wildcard $(BUILDDIR)/dependencies),)
 415 # Pair each file with a list of dependencies for it.
 416 override dependenciesforfile := $(foreach file,$(filter-out $(assetfiles),$(sourcefiles) $(sourceincludes)),$(file)|$(subst $(space),|,$(shell $(CAT) $(call quote,$(BUILDDIR)/dependencies) | $(SED) $(call quote,/^$(call sedesc,$(call localuri,$(file)))$$/$(comma)/^[^     ]/!d;/^ /!d;s/^ //))))
 417
 418 # (callable) Get the list of dependency leiris for the given source files.
 419 #
 420 # Recursive dependencies are marked with a leading `-´.
 421 override dependencyuris = $(foreach file,$1,$(subst |, ,$(patsubst $(file)|%,%,$(filter $(file)|%,$(dependenciesforfile)))))
 422
 423 # (callable) Get the list of recursive dependencies for the given source files.
 424 override recursives = $(foreach uri,$(filter -%,$(call dependencyuris,$1)),$(call sourcefile,$(patsubst -%,%,$(uri))))
 425
 426 # (callable) Get the list of (nonrecursive) dependencies for the given source files.
 427 override dependencies = $(foreach uri,$(filter-out -%,$(call dependencyuris,$1)),$(call sourcefile,$(uri)))
 428 endif
 429
 430 # Collect all files with recursive dependencies.
 431 override recursivefiles := $(foreach file,$(filter-out $(assetfiles),$(sourcefiles)),$(if $(call recursives,$(file)),$(file),))
 432
 433 # Collect all files which should be compiled.
 434 #
 435 # This is all of the non·asset, nonrecursive files.
 436 override compilablefiles := $(filter-out $(assetfiles) $(recursivefiles),$(sourcefiles))
 437
 438 # Collect all files which can be installed.
 439 #
 440 # This is all of the comilable files and all asset sources.
 441 override installablefiles := $(compilablefiles) $(filter $(assetfiles),$(sourcefiles))
 442
 443 ifneq ($(wildcard $(BUILDDIR)/destinations),)
 444 # Get the output of the destination transform.
 445 override destinations := $(shell $(CAT) $(BUILDDIR)/destinations)
 446
 447 # Pair source files and their destinations.
 448 override sourcedestinationpair := $(foreach destination,$(destinations),$(call sourcefile,$(firstword $(subst |, ,$(destination))))|$(call perdec,$(subst $(space),|,$(wordlist 2,$(words $(subst |, ,$(destination))),$(subst |, ,$(destination))))))
 449
 450 # (callable) Get the destination for the given source files.
 451 override destination = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(sourcedestinationpair))))
 452
 453 # Pair each source file with its compiled location.
 454 override sourcecompiledpair := $(foreach file,$(sourcefiles),$(file)|$(BUILDDIR)/results/$(call destination,$(file)))
 455
 456 # (callable) Get the location of the transformed X·M·L files for the given source files.
 457 override compiled = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(sourcecompiledpair))))
 458
 459 # (callable) Get the location of the source files for the given compiled file.
 460 override uncompiled = $(foreach file,$1,$(patsubst %|$(file),%,$(filter %|$(file),$(sourcecompiledpair))))
 461
 462 # (callable) Get the location of the final built files for the given source files.
 463 override built = $(foreach file,$1,$(patsubst $(BUILDDIR)/results/%,$(BUILDDIR)/public/%,$(call compiled,$(file))))
 464
 465 # (callable) Get the location of the source files for the given built files.
 466 override unbuilt = $(foreach file,$1,$(call uncompiled,$(patsubst $(BUILDDIR)/public/%,$(BUILDDIR)/results/%,$(file))))
 467
 468 # (callable) Get the installed locations for the given source files.
 469 override installed = $(foreach file,$1,$(DESTDIR)/$(call destination,$(file)))
 470 endif
 471
 472 # ─ ¶ Recipe Variable Definitions ─────────────────────────────────────
 473
 474 # (callable) Get the identifier for the given parser or transform.
 475 override id = $(XMLLINT) --xpath '/*/*[local-name()="id" and namespace-uri()="urn:fdc:ladys.computer:20231231:Shu1She4"]/text()[1]' $(call quote,$1) 2> /dev/null || $(PRINTF) '%s\n' $(call quote,about:shushe?$(or $2,unknown)=$(call pathenc,$(basename $(notdir $1))))
 476
 477 # (callable) Sanitize and wrap the provided plaintext file in X·M·L, printing to `stdout´.
 478 override wrapplaintext = { $(PRINTF) '%s\n%s' '<?xml version="1.0"?>' '<script xmlns="http://www.w3.org/1999/xhtml" type="$(call typeoffile,$1)"><![CDATA['; $(TR) '\000\013\014' '\032\011\012' < $(call quote,$1) | $(SED) "$$($(PRINTF) '%b' 's/]]>/]]]]><!\\[CDATA\\[>/g\ns/\0357\0277\0276/�/g\ns/\0357\0277\0277/�/g\n$$!s/\\r$$//g\ns/\\r/\\n/g\n$$!s/\0302\0205$$//g\ns/\0302\0205/\\n/g\ns/\0342\0200\0250/\\n/g\ns/[\0001\0002\0003\0004\0005\0006\0007\0010]/�/g\ns/[\0016\0017\0020\0021\0022\0023\0024\0025\0026\0027\0031\0032\0033\0034\0035\0036\0037]/�/g')"; $(PRINTF) '%s\n' ']]></script>'; }
 479
 480 # (callable) Check if the provided X·M·L file is X·M·L 1.1, and if so, coerce to X·M·L 1.0 as best as possible, printing the result (or the original file contents) to `stdout´.
 481 #
 482 # The X·M·L declaration will be dropped and character escapes for C0 control codes will be replaced with a literal `U+0091 PRIVATE USE ONE´, which is invalid in X·M·L 1.1, but valid X·M·L 1.0 (making the replacement obvious).
 483 #
 484 # This isn’t a perfect substitution (it makes some assumptions about the format of the underlying X·M·L), but it should be workable for most sensible, welformed files.
 485 override serializexml = $(SED) "$$($(PRINTF) '%b' '/<?xml[ \t]\\{1,\\}version=[\0042\0047]1.1/,$${ s/<?xml[^>]*?>/<!--<?xml version=\00421.1\0042?>-->/\n s/&\0043x0*[12345678BCEFbcef];/\0302\0221/g\n s/&\0043x0*1[0123456789ABCDEFabcdef];/\0302\0221/g\n s/&\00430*[12345678];/\0302\0221/g\n s/&\00430*1[12456789];/\0302\0221/g\n s/&\00430*2[0123456789];/\0302\0221/g\n s/&\00430*3[01];/\0302\0221/g\n}')" < $(call quote,$1) | $(SED) "$$($(PRINTF) '%b' ':a\n/^\\n*$$/{ $$d\n N\n ba\n}')"
 486
 487 # ─ ¶ Phony Targets ───────────────────────────────────────────────────
 488
 489 # Compile all files, or error if any are recursive.
 490 all : $(call built,$(recursivefiles) $(installablefiles)) ;
 491
 492 # Destroy buildfiles.
 493 clean :
 494         $(if $(BUILDDIR),$(silent)$(RM) -f -R $(call quote,$(BUILDDIR)/),)
 495
 496 # Destroy build directory and installed files.
 497 gone : clean uninstall ;
 498
 499 # Provide help.
 500 help :
 501         @$(PRINTF) '%b' '$(subst $(newline),\n,$(makefileinfo))'
 502
 503 # Install the compiled files into `DESTDIR´, or error if any are recursive.
 504 install : $(call installed,$(recursivefiles) $(installablefiles)) ;
 505
 506 # List all source files and includes and their computed types.
 507 list :
 508         @$(PRINTF) '%b' $(call quote,$(foreach file,$(sort $(sourcefiles)) $(sort $(sourceincludes)),\0033[1m$(file)\0033[22m|$(call typeoffile,$(file))|[\0033[3m$(if $(filter $(file),$(xmlfiles)),xml,$(if $(filter $(file),$(plaintextfiles)),text,asset))$(if $(filter $(file),$(sourceincludes)),|include,)\0033[23m] Modified:|$(call modtime,$(file))$(if $(call dependencies,$(file))$(call recursives,$(file)), $(strip $(foreach recursive,$(call recursives,$(file)),\0033[93;41m•|Recursive|Dependency|\0033[39;49m|$(recursive)) $(foreach dependency,$(call dependencies,$(file)),\0033[2m•|Dependency|\0033[22m|$(dependency))))$(if $(filter $(file),$(sourcefiles)), →|<\0033[4m/$(call destination,$(file))\0033[24m>,) )) | $(TR) ' |' '\n '
 509
 510 # Lists out the destinations of all resulting files (relative to `DESTDIR´).
 511 listout :
 512         @$(PRINTF) '%s\n' $(call quote,$(foreach file,$(sort $(sourcefiles)),$(call destination,$(file))))
 513
 514 # Destroy installed files.
 515 uninstall :
 516         $(foreach file,$(installablefiles),$(if $(wildcard $(call installed,$(file))),$(silent)$(PRINTF) '%s\n' $(call quote,Removing </$(patsubst $(DESTDIR)/%,%,$(call installed,$(file)))>…)$(newline)$(silent)$(RM) -f $(call quote,$(call installed,$(file)))$(newline),))
 517
 518 # Raise an error when attempting to build any files with recursive dependencies.
 519 $(call built,$(recursivefiles)) :
 520         @$(PRINTF) '%b\n' $(call quote,\0033[93;41mError:\0033[39;49m `$(call unbuilt,$@)´ has recursive dependencies:\n$(subst |, ,$(subst $(space),$(newline),$(foreach recursive,$(call recursives,$(call unbuilt,$@)),•|$(recursive))))) >&2 && false
 521
 522 # Add as a prerequisite to treat the target as tho it were phony.
 523 FORCE : ;
 524
 525 # ─ ¶ Special Targets ─────────────────────────────────────────────────
 526
 527 # Perform secondary expansion; this enables pattern rules to determine their prerequisites based on the matched pattern.
 528 .SECONDEXPANSION : ;
 529
 530 # Don’t use any implicit rules.
 531 .SUFFIXES : ;
 532
 533 # Phony rules; always consider these out·of·date.
 534 .PHONY : FORCE all default clean gone info install list listout uninstall $(call built,$(recursivefiles)) ;
 535
 536 ifneq ($(typeupdates)$(wildcard $(BUILDDIR)/dependencies)$(wildcard $(BUILDDIR)/destinations),)
 537 # Reload this make·file if the dependency graph or output destinations have changed.
 538 #
 539 # The dependency graph and output destinations are used to set the values of variables in this make·file, so it’s important to ensure that they are actually up·to·date prior to executing any later rules.
 540 #
 541 # This recipe only exists after types have been updated or when the dependency graph or destinations file already exists.
 542 #
 543 # ※ There is a chance that generating the dependencies will also update the parsers.
 544 $(THISDIR)/GNUmakefile :: $(BUILDDIR)/dependencies $(BUILDDIR)/destinations
 545         $(silent)$(TOUCH) $(THISDIR)/GNUmakefile
 546 ifeq ($(typeupdates),)
 547         $(call inform,if $(TEST) ! -f $(call quote,$(BUILDDIR)/.update-types); then $(PRINTF) '%b\n' '\0033[1mDependency graph and output destinations updated. Restarting…\0033[22m' >&2; fi)
 548 else
 549         $(silent)$(RM) $(call quote,$(BUILDDIR)/.update-types)
 550         $(call inform,$(PRINTF) '%b\n' '\0033[1mDependency graph and output destinations updated. Restarting…\0033[22m' >&2)
 551 endif
 552 endif
 553
 554 ifeq ($(typeupdates),)
 555 # Reload this make·file if any of the magic files or parsers have changed.
 556 #
 557 # These are used to classify source files, so if they have changed then the make·file must be reloaded.
 558 #
 559 # This recipe sleeps for one second to ensure that files built after the restart have a more current time·stamp.
 560 $(THISDIR)/GNUmakefile :: $(BUILDDIR)/magic.mgc $(BUILDDIR)/parser.xslt
 561         $(silent)$(TOUCH) $(THISDIR)/GNUmakefile
 562         $(silent)$(RM) -f $(call quote,$(BUILDDIR)/dependencies) $(call quote,$(BUILDDIR)/destinations)
 563         $(call inform,$(PRINTF) '%b\n' '\0033[1mMagic file or parsers have updated. Restarting…\0033[22m' >&2)
 564         $(silent)$(SLEEP) 1
 565         $(silent)$(TOUCH) $(call quote,$(BUILDDIR)/.update-types)
 566 endif
 567
 568 # ─ ¶ Build Targets ───────────────────────────────────────────────────
 569
 570 # Create symbolic links from the build directory’s store of magic files to their corresponding sources.
 571 $(call magicfile,$(MAGIC)) : $(BUILDDIR)/magic/% : $$(call magicsource,$$@)
 572         $(silent)$(call ensuredirectory,$(dir $@))
 573         $(silent)$(LN) -sf $(call quote,$(realpath $<)) $(call quote,$@)
 574
 575 # Generate the compiled magic file from its sources.
 576 #
 577 # It must be updated if any of the files in the magic directory change.
 578 $(BUILDDIR)/magic.mgc : $(call diffprereqs,magic,$(sort $(call magicfile,$(MAGIC))))
 579         $(foreach outdated,$(filter-out $^,$(wildcard $(BUILDDIR)/magic/*)),$(silent)$(RM) $(call quote,$(outdated))$(newline))
 580         $(call inform,$(PRINTF) '%s\n' 'Compiling new magic…' >&2)
 581         $(silent)$(call ensuredirectory,$(dir $@))
 582         $(silent)cd $(call quote,$(BUILDDIR)) && $(FILE) -C -m $(call quote,$(realpath $(BUILDDIR)/magic))
 583         $(silent)$(TOUCH) $(call quote,$(BUILDDIR)/.update-types)
 584
 585 # Generate the main parser.
 586 $(BUILDDIR)/parser.catalog : $(call diffprereqs,parsers,$(sort $(PARSERS)))
 587         $(call inform,$(PRINTF) '%s\n' 'Generating catalog of parsers…' >&2)
 588         $(silent)$(XMLCATALOG) --create --noout $(call quote,$@)
 589         $(foreach parser,$(PARSERS),$(silent){ $(call id,$(parser)); $(PRINTF) '%s\n' $(call quote,$(call fileuri,$(parser))) '--noout' $(call quote,$@); } | $(xargsmultiquote) | $(XARGS) -E '' $(XMLCATALOG) --add uri$(newline))
 590 $(BUILDDIR)/parser.xslt : $(BUILDDIR)/parser.catalog $(THISDIR)/lib/catalog2parser.xslt
 591         $(call inform,$(PRINTF) '%s\n' 'Generating main parser…' >&2)
 592         $(silent)$(XSLTPROC) --nonet --novalid -o $(call quote,$@) $(call quote,$(THISDIR)/lib/catalog2parser.xslt) $(call quote,$<)
 593         $(silent)$(TOUCH) $(call quote,$(BUILDDIR)/.update-types)
 594
 595 # Parse the files.
 596 #
 597 # Even plain X·M·L files are parsed, because they may contain X·H·T·M·L `<script>´ elements which contain other kinds of data.
 598 # Asset files are turned into H·T·M·L embeds pointing to `data:´ U·R·I’s.
 599 $(call parsed,$(sourcefiles) $(sourceincludes)) : % : $$(call unparsed,$$@) $(BUILDDIR)/parser.xslt $(typeupdates)
 600         $(call inform,$(PRINTF) '%s\n' $(call quote,Processing `$<´…) >&2)
 601         $(silent)$(call ensuredirectory,$(dir $@))
 602         $(silent)$(if $(filter $<,$(assetfiles)),$(PRINTF) '%s\n' $(call quote,<object xmlns="http://www.w3.org/1999/xhtml" type="$(call typeoffile,$<)" data="$(call datauri,$<)"/>) > $(call quote,$@),$(if $(filter $<,$(plaintextfiles)),$(call wrapplaintext,$<),$(call serializexml,$<)) | $(XSLTPROC) --nonet --novalid -o $(call quote,$@) --stringparam BUILDTIME $$($(DATE) -u '+%Y-%m-%dT%H:%M:%SZ') --stringparam IDENTIFIER $(call quote,$(call localuri,$<)) --stringparam SRCTIME '$(call modtime,$<)' --stringparam CKSUM $$($(CKSUM) $(call quote,$<) | $(SED) 's/[ ].*//')$(if $(THISREV), --stringparam THISREV $(call quote,$(THISREV)),)$(if $(SRCREV), --stringparam SRCREV $(call quote,$(SRCREV)),) $(call quote,$(BUILDDIR)/parser.xslt) -)
 603
 604 # Generate a catalog of all parsed files, for use when processing includes.
 605 #
 606 # This does not depend on actually transforming the files.
 607 $(BUILDDIR)/catalog : $(call diffprereqs,sources,$(sort $(sourcefiles) $(sourceincludes))) $(typeupdates)
 608         $(call inform,$(PRINTF) '%s\n' 'Generating catalog of parsed files…' >&2)
 609         $(silent)$(XMLCATALOG) --create --noout $(call quote,$@)
 610         $(foreach source,$(sourcefiles) $(sourceincludes),$(silent)$(XMLCATALOG) --add uri $(call quote,$(call localuri,$(source))) $(call quote,$(call fileuri,$(call parsed,$(source)))#$(if $(filter $(source),$(assetfiles)),asset,xml)) --noout $(call quote,$@)$(newline))
 611
 612 # Build a list of dependencies for each parsed file.
 613 $(BUILDDIR)/dependencies : $(BUILDDIR)/catalog $(call parsed,$(plaintextfiles) $(xmlfiles)) $(THISDIR)/lib/catalog2dependencies.xslt
 614         $(call inform,$(PRINTF) '%s\n' 'Identifying dependencies…' >&2)
 615         $(silent)$(TOUCH) $(call quote,$@)
 616         $(silent)$(XSLTPROC) --nonet --novalid -o $(call quote,$@) $(call quote,$(THISDIR)/lib/catalog2dependencies.xslt) $(call quote,$<)
 617
 618 # Generate a catalog of destinations for files.
 619 #
 620 # This depends on parsing non·asset source files, but not assets or includes.
 621 # It does not require knowing the dependencies.
 622 $(BUILDDIR)/destinations : $(BUILDDIR)/catalog $(call parsed,$(filter-out $(assetfiles),$(sourcefiles))) $(THISDIR)/lib/catalog2destinations.xslt
 623         $(call inform,$(PRINTF) '%s\n' 'Identifying output destinations…' >&2)
 624         $(silent)$(TOUCH) $(call quote,$@)
 625         $(silent)$(XSLTPROC) --nonet --novalid -o $(call quote,$@) $(call quote,$(THISDIR)/lib/catalog2destinations.xslt) $(call quote,$<)
 626
 627 # Generate the main transform.
 628 $(BUILDDIR)/transform.catalog : $(call diffprereqs,transforms,$(sort $(TRANSFORMS)))
 629         $(call inform,$(PRINTF) '%s\n' 'Generating catalog of transforms…' >&2)
 630         $(silent)$(XMLCATALOG) --create --noout $(call quote,$@)
 631         $(foreach transform,$(TRANSFORMS),$(silent){ $(call id,$(transform)); $(PRINTF) '%s\n' $(call quote,$(call fileuri,$(transform))) '--noout' $(call quote,$@); } | $(xargsmultiquote) | $(XARGS) -E '' $(XMLCATALOG) --add uri$(newline))
 632 $(BUILDDIR)/transform.xslt : $(BUILDDIR)/transform.catalog $(THISDIR)/lib/catalog2transform.xslt
 633         $(call inform,$(PRINTF) '%s\n' 'Generating main transform…' >&2)
 634         $(silent)$(XSLTPROC) --nonet --novalid -o $(call quote,$@) $(call quote,$(THISDIR)/lib/catalog2transform.xslt) $(call quote,$<)
 635
 636 # Compile the result files using the dependencies as necessary.
 637 $(call compiled,$(compilablefiles)) : $(BUILDDIR)/results/% : $$(call parsed,$$(call uncompiled,$$@)) $(BUILDDIR)/transform.xslt $$(call parsed,$$(call dependencies,$$(call uncompiled,$$@)))
 638         $(call inform,$(PRINTF) '%s\n' $(call quote,Compiling </$*>…) >&2)
 639         $(silent)$(call ensuredirectory,$(dir $@))
 640         $(silent)$(XSLTPROC) --nonet --novalid -o $(call quote,$@) --stringparam CATALOG 'catalog' --stringparam BUILDTIME $$($(DATE) -u '+%Y-%m-%dT%H:%M:%SZ') --stringparam SRCTIME '$(call modtime,$(call uncompiled,$@))' --stringparam IDENTIFIER $(call quote,$(call localuri,$(call uncompiled,$@))) --stringparam PATH $(call quote,/$*) --stringparam CKSUM $$($(CKSUM) $(call quote,$(call uncompiled,$@)) | $(SED) 's/[ ].*//')$(if $(THISREV), --stringparam THISREV $(call quote,$(THISREV)),)$(if $(SRCREV), --stringparam SRCREV $(call quote,$(SRCREV)),) $(call quote,$(BUILDDIR)/transform.xslt) $(call quote,$<)
 641
 642 # Create the final files from the compiled results (or error in the case of recursive ones).
 643 $(call built,$(compilablefiles)) : $(BUILDDIR)/public/% : $(BUILDDIR)/results/%
 644         $(call inform,$(PRINTF) '%s\n' $(call quote,Building </$*>…) >&2)
 645         $(silent)$(call ensuredirectory,$(dir $@))
 646         $(silent)$(RM) -f -R $(call quote,$@)
 647         $(silent)$(call processresultto,$<,$@,$*)
 648 $(call built,$(filter $(assetfiles),$(sourcefiles))) : $(BUILDDIR)/public/% : $$(call unbuilt,$$@)
 649         $(call inform,$(PRINTF) '%s\n' $(call quote,Building </$*>…) >&2)
 650         $(silent)$(call ensuredirectory,$(dir $@))
 651         $(silent)$(RM) -f -R $(call quote,$@)
 652         $(silent)$(CP) $(call quote,$<) $(call quote,$@)
 653
 654 # Install compiled files (or error in the case of recursive ones).
 655 $(call installed,$(recursivefiles) $(installablefiles)) : $(DESTDIR)/% : $(BUILDDIR)/public/%
 656         $(call inform,$(PRINTF) '%s\n' $(call quote,Installing </$*>…) >&2)
 657         $(silent)$(call ensuredirectory,$(dir $@))
 658         $(silent)$(RM) -f -R $(call quote,$@)
 659         $(silent)$(CP) -R $(call quote,$<) $(call quote,$@)
 660
 661 # ━ § BEGIN ARCHIVE MAKE·FILE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 662
 663 else ifeq ($(MODE),urn:fdc:ladys.computer:20231231:Shu1She4:mode:archive)
 664
 665 # ─ ¶ Non‐Recipe Variable Definitions ─────────────────────────────────
 666
 667 # Get the list of files in the archive.
 668 ifneq ($(wildcard $(BUILDDIR)/index),)
 669 override archivefiles := $(patsubst ./extracted/%,%,$(shell $(CAT) $(call quote,$(BUILDDIR)/index)))
 670 endif
 671
 672 # ─ ¶ Recipe Variable Definitions ─────────────────────────────────────
 673
 674 # ─ ¶ Phony Targets ───────────────────────────────────────────────────
 675
 676 # ─ ¶ Special Targets ─────────────────────────────────────────────────
 677
 678 # Reload this make·file if the archive components have changed.
 679 $(THISDIR)/GNUmakefile : $(BUILDDIR)/index
 680         $(silent)$(TOUCH) $(THISDIR)/GNUmakefile
 681         $(call inform,$(PRINTF) '%b\n' $(call quote,\0033[1mArchive components for </$(NAME)> updated. Restarting…\0033[22m) >&2)
 682
 683 # ─ ¶ Build Targets ───────────────────────────────────────────────────
 684
 685 # Build the extractor transform for extracting the contents of the archive source file.
 686 $(BUILDDIR)/extractor.xslt : $(SRC) $(THISDIR)/lib/archive2extractor.xslt
 687         $(silent)$(call ensuredirectory,$(dir $@))
 688         $(silent)$(XSLTPROC) --nonet --novalid -o $(call quote,$@) $(call quote,$(THISDIR)/lib/archive2extractor.xslt) $(call quote,$<)
 689
 690 # Use the extractor transform to extract the archive source file out into its components.
 691 #
 692 # This target sleeps for 1 second to ensure the resulting index will always be newer than this make·file.
 693 $(BUILDDIR)/index : $(BUILDDIR)/extractor.xslt $(SRC)
 694         $(call inform,$(PRINTF) '%s\n' $(call quote,Extracting components for </$(NAME)>…) >&2)
 695         $(silent)$(SLEEP) 1
 696         $(silent)$(XSLTPROC) --nonet --novalid -o $(call quote,$@) --writesubtree $(call quote,$(dir $@)) $(call quote,$<) $(call quote,$(SRC))
 697
 698 # All archive components are extracted alongside the index.
 699 $(foreach file,$(archivefiles),$(BUILDDIR)/extracted/$(file)) : $(BUILDDIR)/index ;
 700
 701 # Process each extractor component into its final form.
 702 $(foreach file,$(archivefiles),$(BUILDDIR)/files/$(file)) : $(BUILDDIR)/files/% : $(BUILDDIR)/extracted/%
 703         $(call inform,$(PRINTF) '%s\n' $(call quote,Building </$(NAME)/$*>…) >&2)
 704         $(silent)$(call ensuredirectory,$(dir $@))
 705         $(silent)$(RM) -f -R $(call quote,$@)
 706         $(silent)$(call processresultto,$<,$@,$*)
 707
 708 # Archive all components in the file to the destination.
 709 #
 710 # This is a match‐anything target, with the assumption that this make·file is being called recursively from the default mode.
 711 $(DESTDIR)/% : $(SRC) $(foreach file,$(archivefiles),$(BUILDDIR)/files/$(file))
 712         $(call inform,$(PRINTF) '%s\n' $(call quote,Archiving </$(NAME)>…) >&2)
 713         $(silent)$(call ensuredirectory,$(dir $@))
 714         $(silent)$(RM) -f -R $(call quote,$@)
 715         $(silent)cd $(call quote,$(BUILDDIR)/files); if $(call xpath,/*/@*[local-name()="expanded" and namespace-uri()="urn:fdc:ladys.computer:20231231:Shu1She4"],$(abspath $<)); then $(MKDIR) -p $(call quote,$(abspath $@)); $(PRINTF) '%s\n' $(foreach file,$(archivefiles),$(call quote,$(file))) | $(PAX) -r -w $(call quote,$(abspath $@)); else $(PRINTF) '%s\n' $(foreach file,$(archivefiles),$(call quote,$(file))) | $(PAX) -w -x ustar > $(call quote,$(abspath $@)); fi
 716
 717 # ━ § END DEFINED MAKE·FILE MODES ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 718
 719 else
 720 $(error Unrecognized MODE: $(MODE))
 721 endif