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 ║│ • file                                                     │║
  26 ║│ • find                                                     │║
  27 ║│ • grep                                                     │║
  28 ║│ • git (optional)                                           │║
  29 ║│ • ln                                                       │║
  30 ║│ • ls                                                       │║
  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 FILE := file
 106 FIND := find
 107 GIT := git
 108 GREP := grep
 109 LN := ln
 110 LS := ls
 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 # Only the date·time information available via `ls -l´ is supported; that is, only minute precision for files newer than six months, and only day precision for files which are older.
 259 # This is, unfortunately, the best that can be done in pure Posix as of now.
 260 #
 261 # There is an easier implementation which provides the full date·time by archiving an empty file and then reading it back out of the archive :—
 262 #
 263 #     $(shell LC_TIME=POSIX TZ=UTC0 $(TOUCH) -m -r $(callquote,$1) $(BUILDDIR)/.mtime && $(PAX) -w -x ustar $(BUILDDIR)/.mtime | $(PAX) -v -o 'listopt=%(mtime=%Y-%m-%dT%H:%M:%SZ)T')
 264 #
 265 # However, it depends on the `listopt´ option in `pax´, which (despite being specified in Posix) no implementations actually support.
 266 #
 267 # ☡ This variable creates a subshell every time it is computed.
 268 override modtime = $(shell { $(DATE) -u '+%Y-%m'; LC_TIME=POSIX TZ=UTC0 ls -q -A -l $(call quote,$1) | $(SED) 's/\([^ ]* \{1,\}\)\{5\}\(\([^ ]* \{1,\}\)\{3\}\).*/\2/;s/ \([0123456789]\) / 0\1 /;s/Jan/01/;s/Feb/02/;s/Mar/03/;s/Apr/04/;s/May/05/;s/Jun/06/;s/Jul/07/;s/Aug/08/;s/Sep/09/;s/Oct/10/;s/Nov/11/;s/Dec/12/;s/\([0123456789]\{2\}\) *\([0123456789]\{2\}\) *\([0123456789]\{4\}\)/\3-\1-\2T00:00:00Z/;s/\([0123456789]\{2\}\) *\([0123456789]\{2\}\) *\([0123456789:]\{5\}\)/XXXX-\1-\2T\3:00Z/'; } | $(TR) -d ' ' | $(AWK) -F '-' 'NR==1{year=$$1;month=$$2}$$1=="XXXX"&&$$2<=month{print year"-"$$2"-"$$3}$$1=="XXXX"&&$$2>month{print year-1"-"$$2"-"$$3}NR>1&&$$1!="XXXX"')
 269
 270 # ─ ¶ Recipe Variable Definitions ─────────────────────────────────────
 271
 272 # Outputs an `@´ to silence rules, unless `VERBOSE´ is non·empty.
 273 override silent := $(if $(VERBOSE),,@)
 274
 275 # (callable) Only perform the rule if `QUIET` is not set.
 276 override inform = $(if $(QUIET),,@$1)
 277
 278 # (callable) Check to see if the given directory exists and create it if not.
 279 override ensuredirectory = if $(TEST) ! -d $(call quote,$1); then $(MKDIR) -p $(call quote,$1); fi
 280
 281 # Quote standard input in such a way that piping it to xargs will result in it being processed as a single argument.
 282 #
 283 # If standard input ends in a newline, it is stripped; all other newlines are preserved.
 284 override xargsquote = $(SED) $(call quote,s/'/'"'"'/g;s/^/'/;s/$$/'/;$$!s/$$/\\/)
 285
 286 # Quote standard input in such a way that piping it to xargs will result in each line being processed as a single argument.
 287 override xargsmultiquote = $(SED) $(call quote,s/'/'"'"'/g;s/^/'/;s/$$/'/)
 288
 289 # (callable) Test if the provided xpath expression matches the provided document.
 290 override xpath = $(XMLLINT) --xpath $(call quote,$1) $(call quote,$2) > /dev/null 2> /dev/null
 291
 292 # (callable) Extract the value of the text nodes in the provided X·M·L document and print them to `stdout´.
 293 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)
 294
 295 # (callable) Process the provided transformation result and output the result to the provided location, given the provided relative path.
 296 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
 297
 298 # ━ § BEGIN DEFAULT MAKE·FILE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 299
 300 ifeq ($(MODE),urn:fdc:ladys.computer:20231231:Shu1She4:mode:default)
 301
 302 # ─ ¶ Non‐Recipe Variable Definitions ─────────────────────────────────
 303
 304 # (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´.
 305 # If not, save the new value and then add FORCE.
 306 # Return them regardless.
 307 #
 308 # 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.
 309 #
 310 # ☡ This variable creates at least one subshell every time it is computed.
 311 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)
 312
 313 # (callable) Escape special characters for use in sed regular expressions.
 314 override sedesc = $(subst /,[/],$(subst $$,\$$,$(subst *,\*,$(subst .,\.,$(subst [,\[,$(subst ^,\^,$(subst \,\\,$1)))))))
 315
 316 # The command to use for percent‐decoding.
 317 override perdeccmd := $(SED) 's/|/%7C/g;s/[\]/%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'
 318
 319 # (callable) Percent‐decode the given strings.
 320 #
 321 # ☡ This variable creates a subshell every time it is computed.
 322 override perdec = $(shell $(PRINTF) '%s\0450A' $(foreach encoded,$1,$(call quote,$(encoded))) | $(perdeccmd))
 323
 324 # (callable) Percent‐encode the given strings.
 325 #
 326 # This singly‐encodes u·r·i characters and doubly‐encodes other characters, then calls `perdec´ to decode back to a single encoding.
 327 # 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´).
 328 #
 329 # It is assumed that the given strings do not contain newlines.
 330 #
 331 # ☡ This variable creates a subshell every time it is computed.
 332 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))
 333
 334 # (callable) Percent‐encode each component in the given paths.
 335 #
 336 # ☡ This variable creates a subshell every time it is computed.
 337 override pathenc = $(subst %2F,/,$(call perenc,$1))
 338
 339 # (overridable) Collect all of the applicable includes from the includes directory.
 340 sourceincludes := $(shell $(FIND) $(foreach dir,$(INCLUDEDIR),$(call quote,$(dir))) '(' $(FINDRULES) ')' -a -type f)
 341
 342 # (overridable) Collect all of the applicable source files from the source directory, removing any which are also includes.
 343 sourcefiles := $(filter-out $(sourceincludes),$(shell $(FIND) $(foreach dir,$(SRCDIR),$(call quote,$(dir))) '(' $(FINDRULES) ')' -a -type f))
 344
 345 # Figure out the file type of each source file and source include.
 346 ifneq ($(wildcard $(BUILDDIR)/magic.mgc),)
 347 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')
 348 endif
 349
 350 # Get the list of supported plaintext file types from the parser.
 351 ifneq ($(wildcard $(BUILDDIR)/parser.xslt),)
 352 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)))
 353 endif
 354
 355 # (callable) Get all of the files (source and includes) which have the provided types.
 356 #
 357 # If a provided type begins with a `+´, it is analysed as a suffix, and all matching types will be used.
 358 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)))))
 359
 360 # Build up collections of various file types.
 361 override xmlfiles := $(call filesoftype,$(XMLTYPES))
 362 override plaintextfiles := $(filter-out $(xmlfiles),$(call filesoftype,$(plaintexttypes)))
 363 override assetfiles := $(filter-out $(xmlfiles) $(plaintextfiles),$(sourcefiles) $(sourceincludes))
 364
 365 # (callable) Get the types of the given files.
 366 override typeoffile = $(patsubst $(foreach file,$1,$(file)|%),%,$(filter $(foreach file,$1,$(file)|%),$(types)))
 367
 368 # Pair each source magic file with its location in the build directory.
 369 override magicpair := $(foreach magicfile,$(MAGIC),$(magicfile)|$(BUILDDIR)/magic/$(notdir $(magicfile)))
 370
 371 # (callable) Get the source file for the given magic files.
 372 override magicsource = $(foreach magicpath,$1,$(patsubst %|$(magicpath),%,$(firstword $(filter %|$(magicpath),$(magicpair)))))
 373
 374 # (callable) Get the build file for the given magic files.
 375 override magicfile = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(magicpair))))
 376
 377 # (callable) Get the local path for the given source file.
 378 override sourcepath = $(firstword $(foreach directory,$(SRCDIR),$(if $(filter $(directory)/%,$1),$(patsubst $(directory)/%,%,$1),)))
 379
 380 # (callable) Get the local path for the given include.
 381 override includepath = $(firstword $(foreach directory,$(INCLUDEDIR),$(if $(filter $(directory)/%,$1),$(patsubst $(directory)/%,%,$1),)))
 382
 383 # (callable) Get base64 data u·r·i’s for the given files.
 384 #
 385 # ☡ This variable creates a subshell every time it is computed.
 386 override datauri = $(foreach file,$1,data:$(call typeoffile,$(file));base64,$(shell $(UUENCODE) -m $(call quote,$(file)) _ | $(SED) '2,$$!d;$$d' | $(TR) -d ' \n'))
 387
 388 # Pair each source file and include with its local u·r·i.
 389 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)))))
 390
 391 # (callable) Get local uris for the given files.
 392 override localuri = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(sourcelocalpair))))
 393
 394 # (callable) Get the source files for the given local uris.
 395 override sourcefile = $(foreach local,$1,$(patsubst %|$(local),%,$(filter %|$(local),$(sourcelocalpair))))
 396
 397 # Adds a requirement on `$(BUILDDIR)/.update-types´ if the file is present.
 398 #
 399 # This file is created after a reload due to type changes, and is removed after.
 400 # Requiring it ensures that file classifications are up·to·date immediately after the reload.
 401 override typeupdates := $(wildcard $(BUILDDIR)/.update-types)
 402
 403 # Pair each source file and include with its parsed location.
 404 override sourceparsedpair := $(foreach file,$(sourcefiles) $(sourceincludes),$(file)|$(BUILDDIR)/$(if $(filter $(file),$(sourceincludes)),includes/$(call includepath,$(file)),sources/$(call sourcepath,$(file))))
 405
 406 # (callable) Get the location of the transformed X·M·L files for the given source files.
 407 override parsed = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(sourceparsedpair))))
 408
 409 # (callable) Get the source files for the given parsed file.
 410 override unparsed = $(foreach file,$1,$(patsubst %|$(file),%,$(filter %|$(file),$(sourceparsedpair))))
 411
 412 # Pair each parser, transform, or parsed file with its file u·r·i.
 413 override fileuripairs := $(join $(patsubst %,%|,$(PARSERS) $(TRANSFORMS) $(call parsed,$(sourcefiles) $(sourceincludes))),$(call pathenc,$(foreach uriable,$(PARSERS) $(TRANSFORMS) $(call parsed,$(sourcefiles) $(sourceincludes)),file://$(abspath $(uriable)))))
 414
 415 # (callable) Get the file u·r·is for the given parsers, transforms, or parsed files.
 416 override fileuri = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(fileuripairs))))
 417
 418 ifneq ($(wildcard $(BUILDDIR)/dependencies),)
 419 # Pair each file with a list of dependencies for it.
 420 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/^ //))))
 421
 422 # (callable) Get the list of dependency leiris for the given source files.
 423 #
 424 # Recursive dependencies are marked with a leading `-´.
 425 override dependencyuris = $(foreach file,$1,$(subst |, ,$(patsubst $(file)|%,%,$(filter $(file)|%,$(dependenciesforfile)))))
 426
 427 # (callable) Get the list of recursive dependencies for the given source files.
 428 override recursives = $(foreach uri,$(filter -%,$(call dependencyuris,$1)),$(call sourcefile,$(patsubst -%,%,$(uri))))
 429
 430 # (callable) Get the list of (nonrecursive) dependencies for the given source files.
 431 override dependencies = $(foreach uri,$(filter-out -%,$(call dependencyuris,$1)),$(call sourcefile,$(uri)))
 432 endif
 433
 434 # Collect all files with recursive dependencies.
 435 override recursivefiles := $(foreach file,$(filter-out $(assetfiles),$(sourcefiles)),$(if $(call recursives,$(file)),$(file),))
 436
 437 # Collect all files which should be compiled.
 438 #
 439 # This is all of the non·asset, nonrecursive files.
 440 override compilablefiles := $(filter-out $(assetfiles) $(recursivefiles),$(sourcefiles))
 441
 442 # Collect all files which can be installed.
 443 #
 444 # This is all of the comilable files and all asset sources.
 445 override installablefiles := $(compilablefiles) $(filter $(assetfiles),$(sourcefiles))
 446
 447 ifneq ($(wildcard $(BUILDDIR)/destinations),)
 448 # Get the output of the destination transform.
 449 override destinations := $(shell $(CAT) $(BUILDDIR)/destinations)
 450
 451 # Pair source files and their destinations.
 452 override sourcedestinationpair := $(foreach destination,$(destinations),$(call sourcefile,$(firstword $(subst |, ,$(destination))))|$(call perdec,$(subst $(space),|,$(wordlist 2,$(words $(subst |, ,$(destination))),$(subst |, ,$(destination))))))
 453
 454 # (callable) Get the destination for the given source files.
 455 override destination = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(sourcedestinationpair))))
 456
 457 # Pair each source file with its compiled location.
 458 override sourcecompiledpair := $(foreach file,$(sourcefiles),$(file)|$(BUILDDIR)/results/$(call destination,$(file)))
 459
 460 # (callable) Get the location of the transformed X·M·L files for the given source files.
 461 override compiled = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(sourcecompiledpair))))
 462
 463 # (callable) Get the location of the source files for the given compiled file.
 464 override uncompiled = $(foreach file,$1,$(patsubst %|$(file),%,$(filter %|$(file),$(sourcecompiledpair))))
 465
 466 # (callable) Get the location of the final built files for the given source files.
 467 override built = $(foreach file,$1,$(patsubst $(BUILDDIR)/results/%,$(BUILDDIR)/public/%,$(call compiled,$(file))))
 468
 469 # (callable) Get the location of the source files for the given built files.
 470 override unbuilt = $(foreach file,$1,$(call uncompiled,$(patsubst $(BUILDDIR)/public/%,$(BUILDDIR)/results/%,$(file))))
 471
 472 # (callable) Get the installed locations for the given source files.
 473 override installed = $(foreach file,$1,$(DESTDIR)/$(call destination,$(file)))
 474 endif
 475
 476 # ─ ¶ Recipe Variable Definitions ─────────────────────────────────────
 477
 478 # (callable) Get the identifier for the given parser or transform.
 479 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))))
 480
 481 # (callable) Sanitize and wrap the provided plaintext file in X·M·L, printing to `stdout´.
 482 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$$//g\ns/\0302\0205/\\n/g\ns/\0342\0200\0250/\\n/g\ns/[\0001\0002\0003\0004\0005\0006\0007\0010]/�/g\ns/[\0016\0017\0020\0021\0022\0023\0024\0025\0026\0027\0031\0032\0033\0034\0035\0036\0037]/�/g')"; $(PRINTF) '%s\n' ']]></script>'; }
 483
 484 # (callable) Check if the provided X·M·L file is X·M·L 1.1, and if so, coerce to X·M·L 1.0 as best as possible, printing the result (or the original file contents) to `stdout´.
 485 #
 486 # The X·M·L declaration will be dropped and character escapes for C0 control codes will be replaced with a literal `U+0091 PRIVATE USE ONE´, which is invalid in X·M·L 1.1, but valid X·M·L 1.0 (making the replacement obvious).
 487 #
 488 # This isn’t a perfect substitution (it makes some assumptions about the format of the underlying X·M·L), but it should be workable for most sensible, welformed files.
 489 override serializexml = $(SED) "$$($(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}')"
 490
 491 # ─ ¶ Phony Targets ───────────────────────────────────────────────────
 492
 493 # Compile all files, or error if any are recursive.
 494 all : $(call built,$(recursivefiles) $(installablefiles)) ;
 495
 496 # Destroy buildfiles.
 497 clean :
 498         $(if $(BUILDDIR),$(silent)$(RM) -f -R $(call quote,$(BUILDDIR)/),)
 499
 500 # Destroy build directory and installed files.
 501 gone : clean uninstall ;
 502
 503 # Provide help.
 504 help :
 505         @$(PRINTF) '%b' '$(subst $(newline),\n,$(makefileinfo))'
 506
 507 # Install the compiled files into `DESTDIR´, or error if any are recursive.
 508 install : $(call installed,$(recursivefiles) $(installablefiles)) ;
 509
 510 # List all source files and includes and their computed types.
 511 list :
 512         @$(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>,) )) | $(TR) ' |' '\n '
 513
 514 # Lists out the destinations of all resulting files (relative to `DESTDIR´).
 515 listout :
 516         @$(PRINTF) '%s\n' $(call quote,$(foreach file,$(sort $(sourcefiles)),$(call destination,$(file))))
 517
 518 # Destroy installed files.
 519 uninstall :
 520         $(foreach file,$(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),))
 521
 522 # Raise an error when attempting to build any files with recursive dependencies.
 523 $(call built,$(recursivefiles)) :
 524         @$(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
 525
 526 # Add as a prerequisite to treat the target as tho it were phony.
 527 FORCE : ;
 528
 529 # ─ ¶ Special Targets ─────────────────────────────────────────────────
 530
 531 # Perform secondary expansion; this enables pattern rules to determine their prerequisites based on the matched pattern.
 532 .SECONDEXPANSION : ;
 533
 534 # Don’t use any implicit rules.
 535 .SUFFIXES : ;
 536
 537 # Phony rules; always consider these out·of·date.
 538 .PHONY : FORCE all default clean gone info install list listout uninstall $(call built,$(recursivefiles)) ;
 539
 540 ifneq ($(typeupdates)$(wildcard $(BUILDDIR)/dependencies)$(wildcard $(BUILDDIR)/destinations),)
 541 # Reload this make·file if the dependency graph or output destinations have changed.
 542 #
 543 # 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.
 544 #
 545 # This recipe only exists after types have been updated or when the dependency graph or destinations file already exists.
 546 #
 547 # ※ There is a chance that generating the dependencies will also update the parsers.
 548 $(THISDIR)/GNUmakefile :: $(BUILDDIR)/dependencies $(BUILDDIR)/destinations
 549         $(silent)$(TOUCH) $(THISDIR)/GNUmakefile
 550 ifeq ($(typeupdates),)
 551         $(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)
 552 else
 553         $(silent)$(RM) $(call quote,$(BUILDDIR)/.update-types)
 554         $(call inform,$(PRINTF) '%b\n' '\0033[1mDependency graph and output destinations updated. Restarting…\0033[22m' >&2)
 555 endif
 556 endif
 557
 558 ifeq ($(typeupdates),)
 559 # Reload this make·file if any of the magic files or parsers have changed.
 560 #
 561 # These are used to classify source files, so if they have changed then the make·file must be reloaded.
 562 #
 563 # This recipe sleeps for one second to ensure that files built after the restart have a more current time·stamp.
 564 $(THISDIR)/GNUmakefile :: $(BUILDDIR)/magic.mgc $(BUILDDIR)/parser.xslt
 565         $(silent)$(TOUCH) $(THISDIR)/GNUmakefile
 566         $(silent)$(RM) -f $(call quote,$(BUILDDIR)/dependencies) $(call quote,$(BUILDDIR)/destinations)
 567         $(call inform,$(PRINTF) '%b\n' '\0033[1mMagic file or parsers have updated. Restarting…\0033[22m' >&2)
 568         $(silent)$(SLEEP) 1
 569         $(silent)$(TOUCH) $(call quote,$(BUILDDIR)/.update-types)
 570 endif
 571
 572 # ─ ¶ Build Targets ───────────────────────────────────────────────────
 573
 574 # Create symbolic links from the build directory’s store of magic files to their corresponding sources.
 575 $(call magicfile,$(MAGIC)) : $(BUILDDIR)/magic/% : $$(call magicsource,$$@)
 576         $(silent)$(call ensuredirectory,$(dir $@))
 577         $(silent)$(LN) -sf $(call quote,$(realpath $<)) $(call quote,$@)
 578
 579 # Generate the compiled magic file from its sources.
 580 #
 581 # It must be updated if any of the files in the magic directory change.
 582 $(BUILDDIR)/magic.mgc : $(call diffprereqs,magic,$(sort $(call magicfile,$(MAGIC))))
 583         $(foreach outdated,$(filter-out $^,$(wildcard $(BUILDDIR)/magic/*)),$(silent)$(RM) $(call quote,$(outdated))$(newline))
 584         $(call inform,$(PRINTF) '%s\n' 'Compiling new magic…' >&2)
 585         $(silent)$(call ensuredirectory,$(dir $@))
 586         $(silent)cd $(call quote,$(BUILDDIR)) && $(FILE) -C -m $(call quote,$(realpath $(BUILDDIR)/magic))
 587         $(silent)$(TOUCH) $(call quote,$(BUILDDIR)/.update-types)
 588
 589 # Generate the main parser.
 590 $(BUILDDIR)/parser.catalog : $(call diffprereqs,parsers,$(sort $(PARSERS)))
 591         $(call inform,$(PRINTF) '%s\n' 'Generating catalog of parsers…' >&2)
 592         $(silent)$(XMLCATALOG) --create --noout $(call quote,$@)
 593         $(foreach parser,$(PARSERS),$(silent){ $(call id,$(parser)); $(PRINTF) '%s\n' $(call quote,$(call fileuri,$(parser))) '--noout' $(call quote,$@); } | $(xargsmultiquote) | $(XARGS) -E '' $(XMLCATALOG) --add uri$(newline))
 594 $(BUILDDIR)/parser.xslt : $(BUILDDIR)/parser.catalog $(THISDIR)/lib/catalog2parser.xslt
 595         $(call inform,$(PRINTF) '%s\n' 'Generating main parser…' >&2)
 596         $(silent)$(XSLTPROC) --nonet --novalid -o $(call quote,$@) $(call quote,$(THISDIR)/lib/catalog2parser.xslt) $(call quote,$<)
 597         $(silent)$(TOUCH) $(call quote,$(BUILDDIR)/.update-types)
 598
 599 # Parse the files.
 600 #
 601 # 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.
 602 # Asset files are turned into H·T·M·L embeds pointing to `data:´ U·R·I’s.
 603 $(call parsed,$(sourcefiles) $(sourceincludes)) : % : $$(call unparsed,$$@) $(BUILDDIR)/parser.xslt $(typeupdates)
 604         $(call inform,$(PRINTF) '%s\n' $(call quote,Processing `$<´…) >&2)
 605         $(silent)$(call ensuredirectory,$(dir $@))
 606         $(silent)$(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) -)
 607
 608 # Generate a catalog of all parsed files, for use when processing includes.
 609 #
 610 # This does not depend on actually transforming the files.
 611 $(BUILDDIR)/catalog : $(call diffprereqs,sources,$(sort $(sourcefiles) $(sourceincludes))) $(typeupdates)
 612         $(call inform,$(PRINTF) '%s\n' 'Generating catalog of parsed files…' >&2)
 613         $(silent)$(XMLCATALOG) --create --noout $(call quote,$@)
 614         $(foreach source,$(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))
 615
 616 # Build a list of dependencies for each parsed file.
 617 $(BUILDDIR)/dependencies : $(BUILDDIR)/catalog $(call parsed,$(plaintextfiles) $(xmlfiles)) $(THISDIR)/lib/catalog2dependencies.xslt
 618         $(call inform,$(PRINTF) '%s\n' 'Identifying dependencies…' >&2)
 619         $(silent)$(TOUCH) $(call quote,$@)
 620         $(silent)$(XSLTPROC) --nonet --novalid -o $(call quote,$@) $(call quote,$(THISDIR)/lib/catalog2dependencies.xslt) $(call quote,$<)
 621
 622 # Generate a catalog of destinations for files.
 623 #
 624 # This depends on parsing non·asset source files, but not assets or includes.
 625 # It does not require knowing the dependencies.
 626 $(BUILDDIR)/destinations : $(BUILDDIR)/catalog $(call parsed,$(filter-out $(assetfiles),$(sourcefiles))) $(THISDIR)/lib/catalog2destinations.xslt
 627         $(call inform,$(PRINTF) '%s\n' 'Identifying output destinations…' >&2)
 628         $(silent)$(TOUCH) $(call quote,$@)
 629         $(silent)$(XSLTPROC) --nonet --novalid -o $(call quote,$@) $(call quote,$(THISDIR)/lib/catalog2destinations.xslt) $(call quote,$<)
 630
 631 # Generate the main transform.
 632 $(BUILDDIR)/transform.catalog : $(call diffprereqs,transforms,$(sort $(TRANSFORMS)))
 633         $(call inform,$(PRINTF) '%s\n' 'Generating catalog of transforms…' >&2)
 634         $(silent)$(XMLCATALOG) --create --noout $(call quote,$@)
 635         $(foreach transform,$(TRANSFORMS),$(silent){ $(call id,$(transform)); $(PRINTF) '%s\n' $(call quote,$(call fileuri,$(transform))) '--noout' $(call quote,$@); } | $(xargsmultiquote) | $(XARGS) -E '' $(XMLCATALOG) --add uri$(newline))
 636 $(BUILDDIR)/transform.xslt : $(BUILDDIR)/transform.catalog $(THISDIR)/lib/catalog2transform.xslt
 637         $(call inform,$(PRINTF) '%s\n' 'Generating main transform…' >&2)
 638         $(silent)$(XSLTPROC) --nonet --novalid -o $(call quote,$@) $(call quote,$(THISDIR)/lib/catalog2transform.xslt) $(call quote,$<)
 639
 640 # Compile the result files using the dependencies as necessary.
 641 $(call compiled,$(compilablefiles)) : $(BUILDDIR)/results/% : $$(call parsed,$$(call uncompiled,$$@)) $(BUILDDIR)/transform.xslt $$(call parsed,$$(call dependencies,$$(call uncompiled,$$@)))
 642         $(call inform,$(PRINTF) '%s\n' $(call quote,Compiling </$*>…) >&2)
 643         $(silent)$(call ensuredirectory,$(dir $@))
 644         $(silent)$(XSLTPROC) --nonet --novalid -o $(call quote,$@) --stringparam CATALOG 'catalog' --stringparam BUILDTIME $$($(DATE) -u '+%Y-%m-%dT%H:%M:%SZ') --stringparam SRCTIME '$(call modtime,$(call uncompiled,$@))' --stringparam IDENTIFIER $(call quote,$(call localuri,$(call uncompiled,$@))) --stringparam PATH $(call quote,/$*) --stringparam CKSUM $$($(CKSUM) $(call quote,$(call uncompiled,$@)) | $(SED) 's/[ ].*//')$(if $(THISREV), --stringparam THISREV $(call quote,$(THISREV)),)$(if $(SRCREV), --stringparam SRCREV $(call quote,$(SRCREV)),) $(call quote,$(BUILDDIR)/transform.xslt) $(call quote,$<)
 645
 646 # Create the final files from the compiled results (or error in the case of recursive ones).
 647 $(call built,$(compilablefiles)) : $(BUILDDIR)/public/% : $(BUILDDIR)/results/%
 648         $(call inform,$(PRINTF) '%s\n' $(call quote,Building </$*>…) >&2)
 649         $(silent)$(call ensuredirectory,$(dir $@))
 650         $(silent)$(RM) -f -R $(call quote,$@)
 651         $(silent)$(call processresultto,$<,$@,$*)
 652 $(call built,$(filter $(assetfiles),$(sourcefiles))) : $(BUILDDIR)/public/% : $$(call unbuilt,$$@)
 653         $(call inform,$(PRINTF) '%s\n' $(call quote,Building </$*>…) >&2)
 654         $(silent)$(call ensuredirectory,$(dir $@))
 655         $(silent)$(RM) -f -R $(call quote,$@)
 656         $(silent)$(CP) $(call quote,$<) $(call quote,$@)
 657
 658 # Install compiled files (or error in the case of recursive ones).
 659 $(call installed,$(recursivefiles) $(installablefiles)) : $(DESTDIR)/% : $(BUILDDIR)/public/%
 660         $(call inform,$(PRINTF) '%s\n' $(call quote,Installing </$*>…) >&2)
 661         $(silent)$(call ensuredirectory,$(dir $@))
 662         $(silent)$(RM) -f -R $(call quote,$@)
 663         $(silent)$(CP) -R $(call quote,$<) $(call quote,$@)
 664
 665 # ━ § BEGIN ARCHIVE MAKE·FILE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 666
 667 else ifeq ($(MODE),urn:fdc:ladys.computer:20231231:Shu1She4:mode:archive)
 668
 669 # ─ ¶ Non‐Recipe Variable Definitions ─────────────────────────────────
 670
 671 # Get the list of files in the archive.
 672 ifneq ($(wildcard $(BUILDDIR)/index),)
 673 override archivefiles := $(patsubst ./extracted/%,%,$(shell $(CAT) $(call quote,$(BUILDDIR)/index)))
 674 endif
 675
 676 # ─ ¶ Recipe Variable Definitions ─────────────────────────────────────
 677
 678 # ─ ¶ Phony Targets ───────────────────────────────────────────────────
 679
 680 # ─ ¶ Special Targets ─────────────────────────────────────────────────
 681
 682 # Reload this make·file if the archive components have changed.
 683 $(THISDIR)/GNUmakefile : $(BUILDDIR)/index
 684         $(silent)$(TOUCH) $(THISDIR)/GNUmakefile
 685         $(call inform,$(PRINTF) '%b\n' $(call quote,\0033[1mArchive components for </$(NAME)> updated. Restarting…\0033[22m) >&2)
 686
 687 # ─ ¶ Build Targets ───────────────────────────────────────────────────
 688
 689 # Build the extractor transform for extracting the contents of the archive source file.
 690 $(BUILDDIR)/extractor.xslt : $(SRC) $(THISDIR)/lib/archive2extractor.xslt
 691         $(silent)$(call ensuredirectory,$(dir $@))
 692         $(silent)$(XSLTPROC) --nonet --novalid -o $(call quote,$@) $(call quote,$(THISDIR)/lib/archive2extractor.xslt) $(call quote,$<)
 693
 694 # Use the extractor transform to extract the archive source file out into its components.
 695 #
 696 # This target sleeps for 1 second to ensure the resulting index will always be newer than this make·file.
 697 $(BUILDDIR)/index : $(BUILDDIR)/extractor.xslt $(SRC)
 698         $(call inform,$(PRINTF) '%s\n' $(call quote,Extracting components for </$(NAME)>…) >&2)
 699         $(silent)$(SLEEP) 1
 700         $(silent)$(XSLTPROC) --nonet --novalid -o $(call quote,$@) --writesubtree $(call quote,$(dir $@)) $(call quote,$<) $(call quote,$(SRC))
 701
 702 # All archive components are extracted alongside the index.
 703 $(foreach file,$(archivefiles),$(BUILDDIR)/extracted/$(file)) : $(BUILDDIR)/index ;
 704
 705 # Process each extractor component into its final form.
 706 $(foreach file,$(archivefiles),$(BUILDDIR)/files/$(file)) : $(BUILDDIR)/files/% : $(BUILDDIR)/extracted/%
 707         $(call inform,$(PRINTF) '%s\n' $(call quote,Building </$(NAME)/$*>…) >&2)
 708         $(silent)$(call ensuredirectory,$(dir $@))
 709         $(silent)$(RM) -f -R $(call quote,$@)
 710         $(silent)$(call processresultto,$<,$@,$*)
 711
 712 # Archive all components in the file to the destination.
 713 #
 714 # This is a match‐anything target, with the assumption that this make·file is being called recursively from the default mode.
 715 $(DESTDIR)/% : $(SRC) $(foreach file,$(archivefiles),$(BUILDDIR)/files/$(file))
 716         $(call inform,$(PRINTF) '%s\n' $(call quote,Archiving </$(NAME)>…) >&2)
 717         $(silent)$(call ensuredirectory,$(dir $@))
 718         $(silent)$(RM) -f -R $(call quote,$@)
 719         $(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
 720
 721 # ━ § END DEFINED MAKE·FILE MODES ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 722
 723 else
 724 $(error Unrecognized MODE: $(MODE))
 725 endif