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 ║│ • cd                                                       │║
  23 ║│ • cksum                                                    │║
  24 ║│ • cp                                                       │║
  25 ║│ • date                                                     │║
  26 ║│ • diff                                                     │║
  27 ║│ • file                                                     │║
  28 ║│ • find                                                     │║
  29 ║│ • grep                                                     │║
  30 ║│ • git (optional)                                           │║
  31 ║│ • ln                                                       │║
  32 ║│ • mkdir                                                    │║
  33 ║│ • mv                                                       │║
  34 ║│ • od                                                       │║
  35 ║│ • pax (only when generating archives)                      │║
  36 ║│ • printf                                                   │║
  37 ║│ • rm                                                       │║
  38 ║│ • sed                                                      │║
  39 ║│ • sleep                                                    │║
  40 ║│ • test                                                     │║
  41 ║│ • touch                                                    │║
  42 ║│ • tr                                                       │║
  43 ║│ • uuencode                                                 │║
  44 ║│ • uudecode                                                 │║
  45 ║│ • xargs                                                    │║
  46 ║│ • xmlcatalog (provided by libxml2)                         │║
  47 ║│ • xmllint (provided by libxml2)                            │║
  48 ║│ • xsltproc (provided by libxslt)                           │║
  49 ║│                                                            │║
  50 ║│ In all cases, you can supply your own version of any       │║
  51 ║│ program `program´ by overriding the corresponding variable │║
  52 ║│ `PROGRAM´ when calling Make.                               │║
  53 ║╰────────────────────────────────────────────────────────────╯║
  54 ╟┬ ¶ Usage ───────────────────────────────────────────────────┬╢
  55 ║│                                                            │║
  56 ║│ • `make all´ (default): Compile, but do not install, all   │║
  57 ║│   files.                                                   │║
  58 ║│                                                            │║
  59 ║│ • `make clean´: Remove `BUILDDIR´.                         │║
  60 ║│                                                            │║
  61 ║│ • `make gone´: Remove `BUILDDIR´ and installed files.      │║
  62 ║│                                                            │║
  63 ║│ • `make help´: Print this message.                         │║
  64 ║│                                                            │║
  65 ║│ • `make install´: Compile all files and install in         │║
  66 ║│   `DESTDIR´.                                               │║
  67 ║│                                                            │║
  68 ║│ • `make list´: List all recognized source files and their  │║
  69 ║│   classification (including media type and dependencies).  │║
  70 ║│                                                            │║
  71 ║│ • `make listout´: List out the destinations of all         │║
  72 ║│   resulting files (relative to `DESTDIR´), e·g for         │║
  73 ║│   processing by another script.                            │║
  74 ║│                                                            │║
  75 ║│ • `make uninstall´: Remove installed files, but not        │║
  76 ║│   `BUILDDIR´.                                              │║
  77 ║│                                                            │║
  78 ║│ Set `VERBOSE=1´ to see the text of commands as they are    │║
  79 ║│ executed.                                                  │║
  80 ║│                                                            │║
  81 ║│ See `README.markdown´ for a more involved description of   │║
  82 ║│ the capabilities and configuration of this program.        │║
  83 ║╰────────────────────────────────────────────────────────────╯║
  84 ╟┬ ¶ Copyright & License ─────────────────────────────────────┬╢
  85 ║│                                                            │║
  86 ║│ Copyright © 2023–2024 Lady [@ Lady’s Computer].            │║
  87 ║│                                                            │║
  88 ║│ This Source Code Form is subject to the terms of the       │║
  89 ║│ Mozilla Public License, v 2.0. If a copy of the M·P·L was  │║
  90 ║│ not distributed with this file, You can obtain one at      │║
  91 ║│ <http://mozilla.org/MPL/2.0/>.                             │║
  92 ║╰────────────────────────────────────────────────────────────╯║
  93 ╚══════════════════════════════════════════════════════════════╝
  94 endef
  95
  96 # ━ § MAKE·FILE SETUP ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  97
  98 # Programs needed to run this make·file.
  99 #
 100 # If these are not installed on your computer, or you need to use a different implementation, you can override the appropriate variable.
 101 AWK := awk
 102 CAT := cat
 103 CD := cd
 104 CKSUM := cksum
 105 CP := cp
 106 DATE := date
 107 DIFF := diff
 108 FILE := file
 109 FIND := find
 110 GIT := git
 111 GREP := grep
 112 LN := ln
 113 MKDIR := mkdir
 114 MV := mv
 115 OD := od
 116 PAX := pax
 117 PRINTF := printf
 118 RM := rm
 119 SED := sed
 120 SLEEP := sleep
 121 TEST := test
 122 TOUCH := touch
 123 TR := tr
 124 UUDECODE := uudecode
 125 UUENCODE := uuencode
 126 XARGS := xargs
 127 XMLCATALOG := xmlcatalog
 128 XMLLINT := xmllint
 129 XSLTPROC := xsltproc
 130
 131 # This variable is not used in normal execution.
 132 #
 133 # In the archiving `MODE´, it provides the X·M·L file from which the archive should be constructed.
 134 SRC :=
 135
 136 # This variable is not used in normal execution.
 137 #
 138 # In the archiving `MODE´, it provides a user‐friendly name for the archive.
 139 NAME :=
 140
 141 # The directory which contains the source files.
 142 #
 143 # Multiple directories can be given so long as files with the same name do not exist in each.
 144 SRCDIR := sources
 145
 146 # The directory which contains “includes”:
 147 # Files which may be included in other files but for which no final output will be generated.
 148 #
 149 # Multiple directories can be given so long as files with the same name do not exist in each.
 150 #
 151 # These can be inside of `SRCDIR´ directories if desired.
 152 INCLUDEDIR := $(foreach dir,$(SRCDIR),$(dir)/includes)
 153
 154 # The directory in which to generate temporary buildfiles.
 155 #
 156 # This variable is also used by the archiving `MODE´.
 157 BUILDDIR := build
 158
 159 # The directory into which to output files on `make install´.
 160 #
 161 # This variable is also used by the archiving `MODE´.
 162 DESTDIR := public
 163
 164 # The location of this Makefile (and related ⛩️📰 书社 files), relative to the current working directory.
 165 #
 166 # By default, this is inferred from the variable `MAKEFILE_LIST´.
 167 #
 168 # This variable is also used by the archiving `MODE´.
 169 THISDIR := $(patsubst %/,%,$(dir $(lastword $(MAKEFILE_LIST))))
 170
 171 # Configuration of `find´.
 172 #
 173 # By default, `find´ will ignore files which begin with a period and those which are likely to cause problems for `make´.
 174 EXTRAFINDRULES :=
 175 EXTRAFINDINCLUDERULES :=
 176 FINDRULES := ! '(' '(' -name '[.-]*' -a ! -name '.' -o -name '*[][*?:|$$%\#\\; ]*' -o -name '*[)]' ')' -a -prune ')'$(if $(EXTRAFINDRULES), -a '(' $(EXTRAFINDRULES) ')',)
 177 FINDINCLUDERULES := $(FINDRULES)$(if $(EXTRAFINDINCLUDERULES), -a '(' $(EXTRAFINDINCLUDERULES) ')',)
 178
 179 # The list of magic files to use when determining media types.
 180 #
 181 # Some are provided as part of this repository, but you can add more if you need different media type detection.
 182 #
 183 # Your computer probably has several already installed at `/usr/share/file/magic´.
 184 EXTRAMAGIC :=
 185 MAGIC := $(sort $(patsubst ./%,%,$(wildcard $(THISDIR)/magic/*)) $(EXTRAMAGIC))
 186
 187 # The list of parsers for plaintext file types.
 188 #
 189 # Which parsers are provided will influence which kinds of files are recognized as plaintext.
 190 EXTRAPARSERS :=
 191 PARSERS := $(sort $(patsubst ./%,%,$(wildcard $(THISDIR)/parsers/*.xslt)) $(EXTRAPARSERS))
 192
 193 # The list of transforms.
 194 EXTRATRANSFORMS :=
 195 TRANSFORMS := $(sort $(patsubst ./%,%,$(wildcard $(THISDIR)/transforms/*.xslt)) $(EXTRATRANSFORMS))
 196
 197 # List of types which should be treated as X·M·L.
 198 #
 199 # Types which start with a `+´ are suffixes and match any type which
 200 # ends accordingly.
 201 XMLTYPES := application/xml text/xml +xml
 202
 203 # A program to run on basic X·M·L files after they are transformed.
 204 FINALIZE := $(XMLLINT) --nonet --nsclean
 205
 206 ifdef GIT
 207 ifneq ($(wildcard $(THISDIR)/.git),)
 208 # A description of the current git revision of ⛩️📰 书社.
 209 THISREV := $(shell $(CD) $(THISDIR); $(GIT) describe 2>>/dev/null || $(GIT) rev-parse HEAD 2>>/dev/null || :)
 210 endif
 211
 212 ifneq ($(wildcard .git),)
 213 # A description of the current git revision of the working directory.
 214 SRCREV := $(shell $(GIT) describe 2>>/dev/null || $(GIT) rev-parse HEAD 2>>/dev/null || :)
 215 endif
 216 endif
 217
 218 # The mode in which to run this make·file.
 219 # Modes essentially allow for the combination of multiple conceptual make·files into a single source.
 220 #
 221 # The following modes are available :—
 222 #
 223 # • ‹ urn:fdc:ladys.computer:20231231:Shu1She4:mode:default ›:
 224 #   The default mode; typical Shushe behaviours.
 225 #
 226 # • ‹ urn:fdc:ladys.computer:20231231:Shu1She4:mode:archive ›:
 227 #   Generates archive files from parse results.
 228 MODE := urn:fdc:ladys.computer:20231231:Shu1She4:mode:default
 229
 230 # Set to a non·empty value to silence informative messages.
 231 QUIET :=
 232
 233 # Set to a non·empty value to print all commands as they run.
 234 VERBOSE :=
 235
 236 # The default target for this makefile.
 237 .DEFAULT_GOAL := all
 238
 239 # Flags for use when calling the shell.
 240 #
 241 # `-e` enables early exit from invocations of multiple commands after
 242 # the first failure.
 243 .SHELLFLAGS := -c -e
 244
 245 # ━ § BEGIN SHARED MAKE·FILE CONSTRUCTS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 246
 247 # ─ ¶ Non‐Recipe Variable Definitions ─────────────────────────────────
 248
 249 # A variable with no value, usable when assigning values which contain whitespace.
 250 override empty :=
 251
 252 # A variable which contains a newline, to allow the generation of multiline strings in function calls.
 253 override define newline
 254
 255
 256 endef
 257
 258 # A variable which contains a single space.
 259 override space := $(empty) $(empty)
 260
 261 # A variable which contains a single comma.
 262 override comma := ,
 263
 264 # (callable) Quote the given string for use within shell calls.
 265 override quote = '$(subst ','"'"',$1)'
 266
 267 # (callable) Get the modified time of the provided file.
 268 #
 269 # This touches a file containing only a newline and then diffs it with `/dev/null´ and extracts the timestamp from the diff.
 270 # 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.
 271 #
 272 # The diff will always have an exit status of 1, but this is ignored by piping into Sed.
 273 #
 274 # ☡ This variable creates a subshell every time it is computed.
 275 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/.*   \([^ ]*\) \([^ ]*\).*$$/\1T\2Z/')
 276
 277 # ─ ¶ Recipe Variable Definitions ─────────────────────────────────────
 278
 279 # Outputs an `@´ to silence rules, unless `VERBOSE´ is non·empty.
 280 override silent := $(if $(VERBOSE),,@)
 281
 282 # (callable) Only perform the rule if `QUIET` is not set.
 283 override inform = $(if $(QUIET),,@$1)
 284
 285 # (callable) Check to see if the given directory exists and create it if not.
 286 override ensuredirectory = if $(TEST) ! -d $(call quote,$1); then $(MKDIR) -p $(call quote,$1); fi
 287
 288 # Quote standard input in such a way that piping it to xargs will result in it being processed as a single argument.
 289 #
 290 # If standard input ends in a newline, it is stripped; all other newlines are preserved.
 291 override xargsquote = $(SED) $(call quote,s/'/'"'"'/g;s/^/'/;s/$$/'/;$$!s/$$/\\/)
 292
 293 # Quote standard input in such a way that piping it to xargs will result in each line being processed as a single argument.
 294 override xargsmultiquote = $(SED) $(call quote,s/'/'"'"'/g;s/^/'/;s/$$/'/)
 295
 296 # (callable) Test if the provided xpath expression matches the provided document.
 297 override xpath = $(XMLLINT) --noent --nonet --xpath $(call quote,$1) $(call quote,$2) >>/dev/null 2>>/dev/null
 298
 299 # (callable) Extract the value of the text nodes in the provided X·M·L document and print them to `stdout´.
 300 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)
 301
 302 # (callable) Process the provided transformation result and output the result to the provided location, given the provided relative path.
 303 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)) 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' $(call quote,$2); else $(FINALIZE) $(call quote,$1) >|$(call quote,$2); fi
 304
 305 # ━ § BEGIN DEFAULT MAKE·FILE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 306
 307 ifeq ($(MODE),urn:fdc:ladys.computer:20231231:Shu1She4:mode:default)
 308
 309 # ─ ¶ Non‐Recipe Variable Definitions ─────────────────────────────────
 310
 311 # (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´.
 312 # If not, save the new value and then add FORCE.
 313 # Return them regardless.
 314 #
 315 # 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.
 316 #
 317 # ☡ This variable creates at least one subshell every time it is computed.
 318 override diffprereqs = $(if $(subst $(shell $(CAT) $(call quote,$(BUILDDIR)/lastprereqs/$1) 2>>/dev/null || :),,$2),$2 FORCE$(and $(shell $(call ensuredirectory,$(BUILDDIR)/lastprereqs) && $(PRINTF) '%s\n' $(call quote,$2) >|$(BUILDDIR)/lastprereqs/$1),),$2)
 319
 320 # (callable) Escape special characters for use in sed regular expressions.
 321 override sedesc = $(subst /,[/],$(subst $$,\$$,$(subst *,\*,$(subst .,\.,$(subst [,\[,$(subst ^,\^,$(subst \,\\,$1)))))))
 322
 323 # The command to use for percent‐decoding.
 324 override perdeccmd := $(SED) 's/|/%7C/g;s/[\]/%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'
 325
 326 # (callable) Percent‐decode the given strings.
 327 #
 328 # ☡ This variable creates a subshell every time it is computed.
 329 override perdec = $(shell $(PRINTF) '%s\0450A' $(foreach encoded,$1,$(call quote,$(encoded))) | $(perdeccmd))
 330
 331 # (callable) Percent‐encode the given strings.
 332 #
 333 # This singly‐encodes u·r·i characters and doubly‐encodes other characters, then calls `perdec´ to decode back to a single encoding.
 334 # 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´).
 335 #
 336 # It is assumed that the given strings do not contain newlines.
 337 #
 338 # ☡ This variable creates a subshell every time it is computed.
 339 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))
 340
 341 # (callable) Percent‐encode each component in the given paths.
 342 #
 343 # ☡ This variable creates a subshell every time it is computed.
 344 override pathenc = $(subst %2F,/,$(call perenc,$1))
 345
 346 # (overridable) Collect all of the applicable includes from the includes directory.
 347 sourceincludes := $(if $(and $(INCLUDEDIR),$(wildcard $(INCLUDEDIR))),$(patsubst ./%,%,$(shell $(FIND) $(foreach dir,$(INCLUDEDIR),$(call quote,$(dir))) '(' $(FINDINCLUDERULES) ')' -a -type f -a -print)),)
 348
 349 # (overridable) Collect all of the applicable source files from the source directory, removing any which are also includes.
 350 sourcefiles := $(if $(and $(SRCDIR),$(wildcard $(SRCDIR))),$(filter-out $(sourceincludes),$(patsubst ./%,%,$(shell $(FIND) $(foreach dir,$(SRCDIR),$(call quote,$(dir))) '(' $(FINDRULES) ')' -a -type f -a -print))))
 351
 352 # Figure out the file type of each source file and source include.
 353 ifneq ($(wildcard $(BUILDDIR)/magic.mgc),)
 354 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')
 355 endif
 356
 357 # Get the list of supported plaintext file types from the parser.
 358 ifneq ($(wildcard $(BUILDDIR)/parser.xslt),)
 359 override plaintexttypes := $(filter-out $(XMLTYPES),$(shell $(XMLLINT) --noent --nonet --xpath '/*/*[@name="书社:parsers"]//*[namespace-uri()="http://www.w3.org/1999/xhtml" and local-name()="dd"]/text()' $(call quote,$(BUILDDIR)/parser.xslt)))
 360 endif
 361
 362 # (callable) Get all of the files (source and includes) which have the provided types.
 363 #
 364 # If a provided type begins with a `+´, it is analysed as a suffix, and all matching types will be used.
 365 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)))))
 366
 367 # Build up collections of various file types.
 368 override xmlfiles := $(call filesoftype,$(XMLTYPES))
 369 override plaintextfiles := $(filter-out $(xmlfiles),$(call filesoftype,$(plaintexttypes)))
 370 override assetfiles := $(filter-out $(xmlfiles) $(plaintextfiles),$(sourcefiles) $(sourceincludes))
 371
 372 # (callable) Get the types of the given files.
 373 override typeoffile = $(foreach file,$1,$(or $(patsubst $(file)|%,%,$(filter $(file)|%,$(types))),$(error Unable to get type of file `$(file)´)))
 374
 375 # Pair each source magic file with its location in the build directory.
 376 override magicpair := $(foreach magicfile,$(MAGIC),$(magicfile)|$(BUILDDIR)/magic/$(notdir $(magicfile)))
 377
 378 # (callable) Get the source file for the given magic files.
 379 override magicsource = $(foreach magicpath,$1,$(patsubst %|$(magicpath),%,$(firstword $(filter %|$(magicpath),$(magicpair)))))
 380
 381 # (callable) Get the build file for the given magic files.
 382 override magicfile = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(magicpair))))
 383
 384 # (callable) Get the local path for the given source file.
 385 override sourcepath = $(or $(firstword $(foreach directory,$(SRCDIR),$(if $(filter .,$(directory)),$(wildcard $1),$(if $(filter $(directory)/%,$1),$(patsubst $(directory)/%,%,$1),)))),$(error Unable to get local path for source file `$1´))
 386
 387 # (callable) Get the local path for the given include.
 388 override includepath = $(or $(firstword $(foreach directory,$(INCLUDEDIR),$(if $(filter .,$(directory)),$(wildcard $1),$(if $(filter $(directory)/%,$1),$(patsubst $(directory)/%,%,$1),)))),$(error Unable to get local path for include file `$1´))
 389
 390 # (callable) Get base64 data u·r·i’s for the given files.
 391 #
 392 # ☡ This variable creates a subshell every time it is computed.
 393 override datauri = $(foreach file,$1,data:$(call typeoffile,$(file));base64,$(shell $(UUENCODE) -m $(call quote,$(file)) _ | $(SED) '2,$$!d;$$d' | $(TR) -d ' \n'))
 394
 395 # Pair each source file and include with its local u·r·i.
 396 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)))))
 397
 398 # (callable) Get local uris for the given files.
 399 override localuri = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(sourcelocalpair))))
 400
 401 # (callable) Get the source files for the given local uris.
 402 override sourcefile = $(foreach local,$1,$(patsubst %|$(local),%,$(filter %|$(local),$(sourcelocalpair))))
 403
 404 # Resolves to the `FORCE´ target if `$(BUILDDIR)/.update-types´ is present.
 405 #
 406 # This file is created before a reload due to type changes, and is removed after.
 407 # This ensures that file classifications are up·to·date immediately after the reload.
 408 override typeupdates := $(if $(wildcard $(BUILDDIR)/.update-types),FORCE,)
 409
 410 # Pair each source file and include with its parsed location.
 411 override sourceparsedpair := $(foreach file,$(sourcefiles) $(sourceincludes),$(file)|$(BUILDDIR)/$(if $(filter $(file),$(sourceincludes)),includes/$(call includepath,$(file)),sources/$(call sourcepath,$(file))))
 412
 413 # (callable) Get the location of the transformed X·M·L files for the given source files.
 414 override parsed = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(sourceparsedpair))))
 415
 416 # (callable) Get the source files for the given parsed file.
 417 override unparsed = $(foreach file,$1,$(patsubst %|$(file),%,$(filter %|$(file),$(sourceparsedpair))))
 418
 419 # Pair each parser, transform, or parsed file with its file u·r·i.
 420 override fileuripairs := $(join $(patsubst %,%|,$(PARSERS) $(TRANSFORMS) $(call parsed,$(sourcefiles) $(sourceincludes))),$(call pathenc,$(foreach uriable,$(PARSERS) $(TRANSFORMS) $(call parsed,$(sourcefiles) $(sourceincludes)),file://$(abspath $(uriable)))))
 421
 422 # (callable) Get the file u·r·is for the given parsers, transforms, or parsed files.
 423 override fileuri = $(foreach file,$1,$(or $(patsubst $(file)|%,%,$(filter $(file)|%,$(fileuripairs))),$(error Unable to get file u·r·i for `$(file)´)))
 424
 425 ifneq ($(wildcard $(BUILDDIR)/dependencies),)
 426 # Pair each file with a list of dependencies for it.
 427 override dependenciesforfile := $(foreach file,$(filter-out $(assetfiles),$(sourcefiles) $(sourceincludes)),$(file)|$(subst $(space),|,$(shell $(SED) $(call quote,/^$(call sedesc,$(call localuri,$(file)))$$/$(comma)/^[^     ]/!d;/^ /!d;s/^ //) <$(call quote,$(BUILDDIR)/dependencies))))
 428
 429 # (callable) Get the list of dependency leiris for the given source files.
 430 #
 431 # Recursive dependencies are marked with a leading `-´.
 432 override dependencyuris = $(foreach file,$1,$(subst |, ,$(patsubst $(file)|%,%,$(filter $(file)|%,$(dependenciesforfile)))))
 433
 434 # (callable) Get the list of recursive dependencies for the given source files.
 435 #
 436 # If the file cannot have dependencies (e·g is an asset file), the resulting value will be the empty string.
 437 override recursives = $(foreach uri,$(filter -%,$(call dependencyuris,$1)),$(call sourcefile,$(patsubst -%,%,$(uri))))
 438
 439 # (callable) Get the list of (nonrecursive) dependencies for the given source files.
 440 #
 441 # If the file cannot have dependencies (e·g is an asset file), the resulting value will be the empty string.
 442 override dependencies = $(foreach uri,$(filter-out -%,$(call dependencyuris,$1)),$(call sourcefile,$(uri)))
 443 endif
 444
 445 # Collect all files with recursive dependencies.
 446 override recursivefiles := $(foreach file,$(filter-out $(assetfiles),$(sourcefiles)),$(if $(call recursives,$(file)),$(file),))
 447
 448 # Collect all files which should be compiled.
 449 #
 450 # This is all of the non·asset, nonrecursive files.
 451 override compilablefiles := $(filter-out $(assetfiles) $(recursivefiles),$(sourcefiles))
 452
 453 # Collect all files which can be installed.
 454 #
 455 # This is all of the comilable files and all asset sources.
 456 override installablefiles := $(compilablefiles) $(filter $(assetfiles),$(sourcefiles))
 457
 458 ifneq ($(wildcard $(BUILDDIR)/destinations),)
 459 # Get the output of the destination transform.
 460 override destinations := $(shell $(CAT) $(BUILDDIR)/destinations)
 461
 462 # Pair source files and their destinations.
 463 override sourcedestinationpair := $(foreach destination,$(destinations),$(call sourcefile,$(firstword $(subst |, ,$(destination))))|$(call perdec,$(subst $(space),|,$(wordlist 2,$(words $(subst |, ,$(destination))),$(subst |, ,$(destination))))))
 464
 465 # (callable) Get the destination for the given source files, or return `NOTDEF´.
 466 #
 467 # The fallback here is because destinations are used to generate targets and thus must always be non·empty, even when they haven’t been generated yet.
 468 override destination = $(foreach file,$1,$(or $(patsubst $(file)|%,%,$(filter $(file)|%,$(sourcedestinationpair))),NOTDEF))
 469
 470 # Pair each source file with its compiled location.
 471 override sourcecompiledpair := $(foreach file,$(sourcefiles),$(file)|$(BUILDDIR)/results/$(call destination,$(file)))
 472
 473 # (callable) Get the location of the transformed X·M·L files for the given source files.
 474 override compiled = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(sourcecompiledpair))))
 475
 476 # (callable) Get the location of the source files for the given compiled file.
 477 override uncompiled = $(foreach file,$1,$(patsubst %|$(file),%,$(filter %|$(file),$(sourcecompiledpair))))
 478
 479 # (callable) Get the location of the final built files for the given source files.
 480 override built = $(foreach file,$1,$(patsubst $(BUILDDIR)/results/%,$(BUILDDIR)/public/%,$(call compiled,$(file))))
 481
 482 # (callable) Get the location of the source files for the given built files.
 483 override unbuilt = $(foreach file,$1,$(call uncompiled,$(patsubst $(BUILDDIR)/public/%,$(BUILDDIR)/results/%,$(file))))
 484
 485 # (callable) Get the installed locations for the given source files.
 486 override installed = $(foreach file,$1,$(DESTDIR)/$(call destination,$(file)))
 487 endif
 488
 489 # ─ ¶ Recipe Variable Definitions ─────────────────────────────────────
 490
 491 # (callable) Get the identifier for the given parser or transform.
 492 override id = $(XMLLINT) --noent --nonet --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))))
 493
 494 # (callable) Sanitize and wrap the provided plaintext file in X·M·L, printing to `stdout´.
 495 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$$//g\ns/\0302\0205/\\n/g\ns/\0342\0200\0250/\\n/g\ns/[\0001\0002\0003\0004\0005\0006\0007\0010]/�/g\ns/[\0016\0017\0020\0021\0022\0023\0024\0025\0026\0027\0031\0032\0033\0034\0035\0036\0037]/�/g')"; $(PRINTF) '%s\n' ']]></script>'; }
 496
 497 # (callable) Check if the provided X·M·L file is X·M·L 1.1, and if so, coerce to X·M·L 1.0 as best as possible, printing the result (or the original file contents) to `stdout´.
 498 #
 499 # The X·M·L declaration will be dropped and character escapes for C0 control codes will be replaced with a literal `U+0091 PRIVATE USE ONE´, which is invalid in X·M·L 1.1, but valid X·M·L 1.0 (making the replacement obvious).
 500 #
 501 # This isn’t a perfect substitution (it makes some assumptions about the format of the underlying X·M·L), but it should be workable for most sensible, welformed files.
 502 override serializexml = $(SED) "$$($(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}')"
 503
 504 # ─ ¶ Phony Targets ───────────────────────────────────────────────────
 505
 506 # Compile all files, or error if any are recursive.
 507 all : $(call built,$(recursivefiles) $(installablefiles)) ;
 508
 509 # Destroy buildfiles.
 510 clean :
 511         $(if $(BUILDDIR),$(silent)$(RM) -f -R $(call quote,$(BUILDDIR)/),)
 512
 513 # Destroy build directory and installed files.
 514 gone : clean uninstall ;
 515
 516 # Provide help.
 517 help :
 518         @$(PRINTF) '%b' '$(subst $(newline),\n,$(makefileinfo))'
 519
 520 # Install the compiled files into `DESTDIR´, or error if any are recursive.
 521 install : $(call installed,$(recursivefiles) $(installablefiles)) ;
 522
 523 # List all source files and includes and their computed types.
 524 list :
 525         @$(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>,) )) | $(TR) ' |' '\n '
 526
 527 # Lists out the destinations of all resulting files (relative to `DESTDIR´).
 528 listout :
 529         @$(PRINTF) '%s\n' $(call quote,$(foreach file,$(sort $(sourcefiles)),$(call destination,$(file))))
 530
 531 # Destroy installed files.
 532 uninstall :
 533         $(foreach file,$(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),))
 534
 535 # Raise an error when attempting to build any files with recursive dependencies.
 536 $(call built,$(recursivefiles)) :
 537         @$(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 && exit 1
 538
 539 # Add as a prerequisite to treat the target as tho it were phony.
 540 FORCE : ;
 541
 542 # ─ ¶ Special Targets ─────────────────────────────────────────────────
 543
 544 # Perform secondary expansion; this enables pattern rules to determine their prerequisites based on the matched pattern.
 545 .SECONDEXPANSION : ;
 546
 547 # Don’t use any implicit rules.
 548 .SUFFIXES : ;
 549
 550 # Don’t delete these files even if Make is stopped in the process of rebuilding them.
 551 .PRECIOUS : GNUmakefile ;
 552
 553 # Phony rules; always consider these out·of·date.
 554 .PHONY : FORCE all default clean gone info install list listout uninstall $(call built,$(recursivefiles)) ;
 555
 556 ifneq ($(typeupdates)$(wildcard $(BUILDDIR)/dependencies)$(wildcard $(BUILDDIR)/destinations),)
 557 # Reload this make·file if the dependency graph or output destinations have changed.
 558 #
 559 # 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.
 560 #
 561 # This recipe only exists after types have been updated or when the dependency graph or destinations file already exists.
 562 #
 563 # ※ There is a chance that generating the dependencies will also update the parsers.
 564 $(THISDIR)/GNUmakefile :: $(BUILDDIR)/dependencies $(BUILDDIR)/destinations
 565         $(silent)$(TOUCH) $(THISDIR)/GNUmakefile
 566 ifeq ($(typeupdates),)
 567         $(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)
 568 else
 569         $(silent)$(RM) $(call quote,$(BUILDDIR)/.update-types)
 570         $(call inform,$(PRINTF) '%b\n' '\0033[1mDependency graph and output destinations updated. Restarting…\0033[22m' >&2)
 571 endif
 572 endif
 573
 574 ifeq ($(typeupdates),)
 575 # Reload this make·file if any of the magic files or parsers have changed.
 576 #
 577 # These are used to classify source files, so if they have changed then the make·file must be reloaded.
 578 #
 579 # This recipe sleeps for one second to ensure that files built after the restart have a more current time·stamp.
 580 $(THISDIR)/GNUmakefile :: $(BUILDDIR)/magic.mgc $(BUILDDIR)/parser.xslt
 581         $(silent)$(TOUCH) $(THISDIR)/GNUmakefile
 582         $(silent)$(RM) -f $(call quote,$(BUILDDIR)/dependencies) $(call quote,$(BUILDDIR)/destinations)
 583         $(call inform,$(PRINTF) '%b\n' '\0033[1mMagic file or parsers have updated. Restarting…\0033[22m' >&2)
 584         $(silent)$(SLEEP) 1
 585         $(silent)$(TOUCH) $(call quote,$(BUILDDIR)/.update-types)
 586 endif
 587
 588 # ─ ¶ Build Targets ───────────────────────────────────────────────────
 589
 590 # Create symbolic links from the build directory’s store of magic files to their corresponding sources.
 591 $(call magicfile,$(MAGIC)) : $(BUILDDIR)/magic/% : $$(call magicsource,$$@)
 592         $(silent)$(call ensuredirectory,$(dir $@))
 593         $(silent)$(LN) -sf $(call quote,$(realpath $<)) $(call quote,$@)
 594
 595 # Generate the compiled magic file from its sources.
 596 #
 597 # It must be updated if any of the files in the magic directory change.
 598 $(BUILDDIR)/magic.mgc : $(call diffprereqs,magic,$(sort $(call magicfile,$(MAGIC))))
 599         $(foreach outdated,$(filter-out $^,$(wildcard $(BUILDDIR)/magic/*)),$(silent)$(RM) $(call quote,$(outdated))$(newline))
 600         $(call inform,$(PRINTF) '%s\n' 'Compiling new magic…' >&2)
 601         $(silent)$(call ensuredirectory,$(dir $@))
 602         $(silent)$(CD) $(call quote,$(BUILDDIR)) && $(FILE) -C -m $(call quote,$(realpath $(BUILDDIR)/magic))
 603         $(silent)$(TOUCH) $(call quote,$(BUILDDIR)/.update-types)
 604
 605 # Generate the main parser.
 606 $(BUILDDIR)/parser.catalog : $(call diffprereqs,parsers,$(sort $(PARSERS)))
 607         $(call inform,$(PRINTF) '%s\n' 'Generating catalog of parsers…' >&2)
 608         $(silent)$(XMLCATALOG) --create --noout $(call quote,$@)
 609         $(foreach parser,$(PARSERS),$(silent){ $(call id,$(parser)); $(PRINTF) '%s\n' $(call quote,$(call fileuri,$(parser))) '--noout' $(call quote,$@); } | $(xargsmultiquote) | $(XARGS) -E '' $(XMLCATALOG) --add uri$(newline))
 610 $(BUILDDIR)/parser.xslt : $(BUILDDIR)/parser.catalog $(THISDIR)/lib/catalog2parser.xslt
 611         $(call inform,$(PRINTF) '%s\n' 'Generating main parser…' >&2)
 612         $(silent)$(XSLTPROC) --nonet --novalid -o $(call quote,$@) $(call quote,$(THISDIR)/lib/catalog2parser.xslt) $(call quote,$<)
 613         $(silent)$(TOUCH) $(call quote,$(BUILDDIR)/.update-types)
 614
 615 # Parse the files.
 616 #
 617 # 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.
 618 # Asset files are turned into H·T·M·L embeds pointing to `data:´ U·R·I’s.
 619 $(call parsed,$(sourcefiles) $(sourceincludes)) : % : $$(call unparsed,$$@) $(BUILDDIR)/parser.xslt $(typeupdates)
 620         $(call inform,$(PRINTF) '%s\n' $(call quote,Processing `$<´…) >&2)
 621         $(silent)$(call ensuredirectory,$(dir $@))
 622         $(silent)$(if $(filter $<,$(assetfiles)),$(PRINTF) '%s\n' $(call quote,<?xml version="1.0"?><object xmlns="http://www.w3.org/1999/xhtml" type="$(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) -)
 623
 624 # Generate a catalog of all parsed files, for use when processing includes.
 625 #
 626 # This does not depend on actually transforming the files.
 627 $(BUILDDIR)/catalog : $(call diffprereqs,sources,$(sort $(sourcefiles) $(sourceincludes))) $(typeupdates)
 628         $(call inform,$(PRINTF) '%s\n' 'Generating catalog of parsed files…' >&2)
 629         $(silent)$(XMLCATALOG) --create --noout $(call quote,$@)
 630         $(foreach source,$(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))
 631
 632 # Build a list of dependencies for each parsed file.
 633 $(BUILDDIR)/dependencies : $(BUILDDIR)/catalog $(call parsed,$(plaintextfiles) $(xmlfiles)) $(THISDIR)/lib/catalog2dependencies.xslt
 634         $(call inform,$(PRINTF) '%s\n' 'Identifying dependencies…' >&2)
 635         $(silent)$(TOUCH) $(call quote,$@)
 636         $(silent)$(XSLTPROC) --nonet --novalid -o $(call quote,$@) $(call quote,$(THISDIR)/lib/catalog2dependencies.xslt) $(call quote,$<)
 637
 638 # Generate a catalog of destinations for files.
 639 #
 640 # This depends on parsing non·asset source files, but not assets or includes.
 641 # It does not require knowing the dependencies.
 642 $(BUILDDIR)/destinations : $(BUILDDIR)/catalog $(call parsed,$(filter-out $(assetfiles),$(sourcefiles))) $(THISDIR)/lib/catalog2destinations.xslt
 643         $(call inform,$(PRINTF) '%s\n' 'Identifying output destinations…' >&2)
 644         $(silent)$(TOUCH) $(call quote,$@)
 645         $(silent)$(XSLTPROC) --nonet --novalid -o $(call quote,$@) $(call quote,$(THISDIR)/lib/catalog2destinations.xslt) $(call quote,$<)
 646
 647 # Generate the main transform.
 648 $(BUILDDIR)/transform.catalog : $(call diffprereqs,transforms,$(sort $(TRANSFORMS)))
 649         $(call inform,$(PRINTF) '%s\n' 'Generating catalog of transforms…' >&2)
 650         $(silent)$(XMLCATALOG) --create --noout $(call quote,$@)
 651         $(foreach transform,$(TRANSFORMS),$(silent){ $(call id,$(transform)); $(PRINTF) '%s\n' $(call quote,$(call fileuri,$(transform))) '--noout' $(call quote,$@); } | $(xargsmultiquote) | $(XARGS) -E '' $(XMLCATALOG) --add uri$(newline))
 652 $(BUILDDIR)/transform.xslt : $(BUILDDIR)/transform.catalog $(THISDIR)/lib/catalog2transform.xslt
 653         $(call inform,$(PRINTF) '%s\n' 'Generating main transform…' >&2)
 654         $(silent)$(XSLTPROC) --nonet --novalid -o $(call quote,$@) $(call quote,$(THISDIR)/lib/catalog2transform.xslt) $(call quote,$<)
 655
 656 # Compile the result files using the dependencies as necessary.
 657 $(call compiled,$(compilablefiles)) : $(BUILDDIR)/results/% : $$(call parsed,$$(call uncompiled,$$@)) $(BUILDDIR)/transform.xslt $$(call parsed,$$(call dependencies,$$(call uncompiled,$$@)))
 658         $(call inform,$(PRINTF) '%s\n' $(call quote,Compiling </$*>…) >&2)
 659         $(silent)$(call ensuredirectory,$(dir $@))
 660         $(silent)$(XSLTPROC) --nonet --novalid -o $(call quote,$@) --stringparam CATALOG 'catalog' --stringparam BUILDTIME $$($(DATE) -u '+%Y-%m-%dT%H:%M:%SZ') --stringparam SRCTIME '$(call modtime,$(call uncompiled,$@))' --stringparam IDENTIFIER $(call quote,$(call localuri,$(call uncompiled,$@))) --stringparam PATH $(call quote,/$*) --stringparam CKSUM $$($(CKSUM) $(call quote,$(call uncompiled,$@)) | $(SED) 's/[ ].*//')$(if $(THISREV), --stringparam THISREV $(call quote,$(THISREV)),)$(if $(SRCREV), --stringparam SRCREV $(call quote,$(SRCREV)),) $(call quote,$(BUILDDIR)/transform.xslt) $(call quote,$<)
 661
 662 # Create the final files from the compiled results (or error in the case of recursive ones).
 663 $(call built,$(compilablefiles)) : $(BUILDDIR)/public/% : $(BUILDDIR)/results/%
 664         $(call inform,$(PRINTF) '%s\n' $(call quote,Building </$*>…) >&2)
 665         $(silent)$(call ensuredirectory,$(dir $@))
 666         $(silent)$(RM) -f -R $(call quote,$@)
 667         $(silent)$(call processresultto,$<,$@,$*)
 668 $(call built,$(filter $(assetfiles),$(sourcefiles))) : $(BUILDDIR)/public/% : $$(call unbuilt,$$@)
 669         $(call inform,$(PRINTF) '%s\n' $(call quote,Building </$*>…) >&2)
 670         $(silent)$(call ensuredirectory,$(dir $@))
 671         $(silent)$(RM) -f -R $(call quote,$@)
 672         $(silent)$(CP) $(call quote,$<) $(call quote,$@)
 673
 674 # Install compiled files (or error in the case of recursive ones).
 675 $(call installed,$(recursivefiles) $(installablefiles)) : $(DESTDIR)/% : $(BUILDDIR)/public/%
 676         $(call inform,$(PRINTF) '%s\n' $(call quote,Installing </$*>…) >&2)
 677         $(silent)$(call ensuredirectory,$(dir $@))
 678         $(silent)$(RM) -f -R $(call quote,$@)
 679         $(silent)$(CP) -R $(call quote,$<) $(call quote,$@)
 680
 681 # ━ § BEGIN ARCHIVE MAKE·FILE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 682
 683 else ifeq ($(MODE),urn:fdc:ladys.computer:20231231:Shu1She4:mode:archive)
 684
 685 # ─ ¶ Non‐Recipe Variable Definitions ─────────────────────────────────
 686
 687 # Get the list of files in the archive.
 688 ifneq ($(wildcard $(BUILDDIR)/index),)
 689 override archivefiles := $(patsubst ./extracted/%,%,$(shell $(CAT) $(call quote,$(BUILDDIR)/index)))
 690 endif
 691
 692 # ─ ¶ Recipe Variable Definitions ─────────────────────────────────────
 693
 694 # ─ ¶ Phony Targets ───────────────────────────────────────────────────
 695
 696 # ─ ¶ Special Targets ─────────────────────────────────────────────────
 697
 698 # Reload this make·file if the archive components have changed.
 699 $(THISDIR)/GNUmakefile : $(BUILDDIR)/index
 700         $(silent)$(TOUCH) $(THISDIR)/GNUmakefile
 701         $(call inform,$(PRINTF) '%b\n' $(call quote,\0033[1mArchive components for </$(NAME)> updated. Restarting…\0033[22m) >&2)
 702
 703 # ─ ¶ Build Targets ───────────────────────────────────────────────────
 704
 705 # Build the extractor transform for extracting the contents of the archive source file.
 706 $(BUILDDIR)/extractor.xslt : $(SRC) $(THISDIR)/lib/archive2extractor.xslt
 707         $(silent)$(call ensuredirectory,$(dir $@))
 708         $(silent)$(XSLTPROC) --nonet --novalid -o $(call quote,$@) $(call quote,$(THISDIR)/lib/archive2extractor.xslt) $(call quote,$<)
 709
 710 # Use the extractor transform to extract the archive source file out into its components.
 711 #
 712 # This target sleeps for 1 second to ensure the resulting index will always be newer than this make·file.
 713 $(BUILDDIR)/index : $(BUILDDIR)/extractor.xslt $(SRC)
 714         $(call inform,$(PRINTF) '%s\n' $(call quote,Extracting components for </$(NAME)>…) >&2)
 715         $(silent)$(SLEEP) 1
 716         $(silent)$(XSLTPROC) --nonet --novalid -o $(call quote,$@) --writesubtree $(call quote,$(dir $@)) $(call quote,$<) $(call quote,$(SRC))
 717
 718 # All archive components are extracted alongside the index.
 719 $(foreach file,$(archivefiles),$(BUILDDIR)/extracted/$(file)) : $(BUILDDIR)/index ;
 720
 721 # Process each extractor component into its final form.
 722 $(foreach file,$(archivefiles),$(BUILDDIR)/files/$(file)) : $(BUILDDIR)/files/% : $(BUILDDIR)/extracted/%
 723         $(call inform,$(PRINTF) '%s\n' $(call quote,Building </$(NAME)/$*>…) >&2)
 724         $(silent)$(call ensuredirectory,$(dir $@))
 725         $(silent)$(RM) -f -R $(call quote,$@)
 726         $(silent)$(call processresultto,$<,$@,$*)
 727
 728 # Archive all components in the file to the destination.
 729 #
 730 # This is a match‐anything target, with the assumption that this make·file is being called recursively from the default mode.
 731 $(DESTDIR)/% : $(SRC) $(foreach file,$(archivefiles),$(BUILDDIR)/files/$(file))
 732         $(call inform,$(PRINTF) '%s\n' $(call quote,Archiving </$(NAME)>…) >&2)
 733         $(silent)$(call ensuredirectory,$(dir $@))
 734         $(silent)$(RM) -f -R $(call quote,$@)
 735         $(silent)$(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
 736
 737 # ━ § END DEFINED MAKE·FILE MODES ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 738
 739 else
 740 $(error Unrecognized MODE: $(MODE))
 741 endif