Lady’s Gitweb - Shushe/blob - GNUmakefile

   1 SHELL = /bin/sh
   2
   3 # ━ § BASIC INFORMATION ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   4 override define makefileinfo
   5  ╭────────────────────────────╮
   6 ╔╡ ⁌ ⛩️📰 书社 ∷ GNUmakefile ╞═════════════════════════════════╗
   7 ║╰────────────────────────────╯                                ║
   8 ╟┬ ¶ Prerequisites ───────────────────────────────────────────┬╢
   9 ║│                                                            │║
  10 ║│ Requires G·N·U Make, at least version 3.81, a version of   │║
  11 ║│ uuencode with base64 support, and the various programs     │║
  12 ║│ offered by libxml2 and libxslt. Beyond this, only programs │║
  13 ║│ required by Posix are required, altho there is a chance of │║
  14 ║│ version incompatibilities. The full list of program        │║
  15 ║│ requirements is as follows :—                             │║
  16 ║│                                                            │║
  17 ║│ • awk                                                      │║
  18 ║│ • cat                                                      │║
  19 ║│ • cp                                                       │║
  20 ║│ • date                                                     │║
  21 ║│ • echo                                                     │║
  22 ║│ • file                                                     │║
  23 ║│ • find                                                     │║
  24 ║│ • git (optional)                                           │║
  25 ║│ • ln                                                       │║
  26 ║│ • mkdir (requires support for `-p´)                        │║
  27 ║│ • mv                                                       │║
  28 ║│ • od (requires support for `-t x1´)                        │║
  29 ║│ • printf                                                   │║
  30 ║│ • rm                                                       │║
  31 ║│ • sed                                                      │║
  32 ║│ • sleep                                                    │║
  33 ║│ • stat                                                     │║
  34 ║│ • test                                                     │║
  35 ║│ • touch                                                    │║
  36 ║│ • tr (requires support for `-d´)                           │║
  37 ║│ • uuencode (requires support for `-m´ and `-r´)            │║
  38 ║│ • xargs (requires support for `-0´)                        │║
  39 ║│ • xmlcatalog (provided by libxml2)                         │║
  40 ║│ • xmllint (provided by libxml2)                            │║
  41 ║│ • xsltproc (provided by libxslt)                           │║
  42 ║│                                                            │║
  43 ║│ In all cases, you can supply your own version of any       │║
  44 ║│ program `program´ by overriding the corresponding variable │║
  45 ║│ `PROGRAM´ when calling Make.                               │║
  46 ║╰────────────────────────────────────────────────────────────╯║
  47 ╟┬ ¶ Usage ───────────────────────────────────────────────────┬╢
  48 ║│                                                            │║
  49 ║│ • `make all´ (default): Compile, but do not install, all   │║
  50 ║│   files.                                                   │║
  51 ║│                                                            │║
  52 ║│ • `make clean´: Remove `BUILDDIR´.                         │║
  53 ║│                                                            │║
  54 ║│ • `make gone´: Remove `BUILDDIR´ and installed files.      │║
  55 ║│                                                            │║
  56 ║│ • `make help´: Print this message.                         │║
  57 ║│                                                            │║
  58 ║│ • `make install´: Compile all files and install in         │║
  59 ║│   `DESTDIR´.                                               │║
  60 ║│                                                            │║
  61 ║│ • `make list´: List all recognized source files and their  │║
  62 ║│   classification (including media type and dependencies).  │║
  63 ║│                                                            │║
  64 ║│ • `make uninstall´: Remove installed files, but not        │║
  65 ║│   `BUILDDIR´.                                              │║
  66 ║│                                                            │║
  67 ║│ Set `VERBOSE=1´ to see the text of commands as they are    │║
  68 ║│ executed.                                                  │║
  69 ║│                                                            │║
  70 ║│ See `README.markdown´ for a more involved description of   │║
  71 ║│ the capabilities and configuration of this program.        │║
  72 ║╰────────────────────────────────────────────────────────────╯║
  73 ╟┬ ¶ Copyright & License ─────────────────────────────────────┬╢
  74 ║│                                                            │║
  75 ║│ Copyright © 2023–2024 Lady [@ Lady’s Computer].            │║
  76 ║│                                                            │║
  77 ║│ This Source Code Form is subject to the terms of the       │║
  78 ║│ Mozilla Public License, v 2.0. If a copy of the M·P·L was  │║
  79 ║│ not distributed with this file, You can obtain one at      │║
  80 ║│ <http://mozilla.org/MPL/2.0/>.                             │║
  81 ║╰────────────────────────────────────────────────────────────╯║
  82 ╚══════════════════════════════════════════════════════════════╝
  83 endef
  84
  85 # ━ § MAKE·FILE SETUP ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  86
  87 # Programs needed to run this make·file.
  88 #
  89 # If these are not installed on your computer, or you need to use a different implementation, you can override the appropriate variable.
  90 AWK := awk
  91 CAT := cat
  92 CP := cp
  93 DATE := date
  94 ECHO := echo
  95 FILE := file
  96 FIND := find
  97 GIT := git
  98 LN := ln
  99 MKDIR := mkdir
 100 MV := mv
 101 OD := od
 102 PRINTF := printf
 103 RM := rm
 104 SED := sed
 105 SLEEP := sleep
 106 STAT := stat
 107 TEST := test
 108 TOUCH := touch
 109 TR := tr
 110 UUENCODE := uuencode
 111 XARGS := xargs
 112 XMLCATALOG := xmlcatalog
 113 XMLLINT := xmllint
 114 XSLTPROC := xsltproc
 115
 116 # The directory which contains the source files.
 117 #
 118 # Multiple directories can be given so long as files with the same name do not exist in each.
 119 SRCDIR := sources
 120
 121 # The directory which contains “includes”:
 122 # Files which may be included in other files but for which no final output will be generated.
 123 #
 124 # Multiple directories can be given so long as files with the same name do not exist in each.
 125 #
 126 # These can be inside of `SRCDIR´ directories if desired.
 127 INCLUDEDIR := sources/includes
 128
 129 # The directory in which to generate temporary buildfiles.
 130 BUILDDIR := build
 131
 132 # The directory into which to output files on `make install´.
 133 DESTDIR := public
 134
 135 # The location of this Makefile (and related ⛩️📰 书社 files), relative to the current working directory.
 136 #
 137 # By default, this is inferred from the variable `MAKEFILE_LIST´.
 138 THISDIR := $(patsubst %/,%,$(dir $(lastword $(MAKEFILE_LIST))))
 139
 140 # Configuration of `find´.
 141 #
 142 # By default, `find´ will ignore files which begin with a period and those which are likely to cause problems for `make´.
 143 EXTRAFINDRULES :=
 144 EXTRAFINDINCLUDERULES :=
 145 FINDRULES := ! '(' '(' -name '[.-]*' -o -name '*[][*?:|$$%\#\\; ]*' -o -name '*[)]' ')' -a -prune ')'$(if $(EXTRAFINDRULES), -a $(EXTRAFINDRULES),)
 146 FINDINCLUDERULES := $(FINDRULES)$(if $(EXTRAFINDINCLUDERULES), -a $(EXTRAFINDINCLUDERULES),)
 147
 148 # The list of magic files to use when determining media types.
 149 #
 150 # Some are provided as part of this repository, but you can add more if you need different media type detection.
 151 #
 152 # Your computer probably has several already installed at `/usr/share/file/magic´.
 153 EXTRAMAGIC :=
 154 MAGIC := $(sort $(patsubst ./%,%,$(wildcard $(THISDIR)/magic/*)) $(EXTRAMAGIC))
 155
 156 # The list of parsers for plaintext file types.
 157 #
 158 # Which parsers are provided will influence which kinds of files are recognized as plaintext.
 159 EXTRAPARSERS :=
 160 PARSERS := $(sort $(patsubst ./%,%,$(wildcard $(THISDIR)/parsers/*.xslt)) $(EXTRAPARSERS))
 161
 162 # The list of transforms.
 163 EXTRATRANSFORMS :=
 164 TRANSFORMS := $(sort $(patsubst ./%,%,$(wildcard $(THISDIR)/transforms/*.xslt)) $(EXTRATRANSFORMS))
 165
 166 # List of types which should be treated as X·M·L.
 167 XMLTYPES := application/xml text/xml
 168
 169 # The name of the generator program.
 170 GENERATOR := ⛩️📰 书社
 171
 172 ifdef GIT
 173 ifneq ($(wildcard $(THISDIR)/.git),)
 174 # A description of the current git revision of ⛩️📰 书社.
 175 VERSION := $(shell cd $(THISDIR); $(GIT) describe 2> /dev/null || $(GIT) rev-parse HEAD 2> /dev/null || true)
 176 endif
 177
 178 ifneq ($(wildcard .git),)
 179 # A description of the current git revision of the working directory.
 180 SRCREV := $(shell $(GIT) describe 2> /dev/null || $(GIT) rev-parse HEAD 2> /dev/null || true)
 181 endif
 182 endif
 183
 184 # Set to a non·empty value to print all commands as they run.
 185 VERBOSE :=
 186
 187 # The default target for this makefile.
 188 .DEFAULT_GOAL := all
 189
 190 # ━ § BEGIN MAKE·FILE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 191
 192 # ─ ¶ Non‐Recipe Variable Definitions ─────────────────────────────────
 193
 194 # A variable with no value, usable when assigning values which contain whitespace.
 195 override empty :=
 196
 197 # A variable which contains a newline, to allow the generation of multiline strings in function calls.
 198 override define newline
 199
 200
 201 endef
 202
 203 # A variable which contains a single space.
 204 override space := $(empty) $(empty)
 205
 206 # A variable which contains a single comma.
 207 override comma := ,
 208
 209 # (callable) Quote the given string for use within shell calls.
 210 override quote = '$(subst ','"'"',$1)'
 211
 212 # Outputs an `@´ to silence rules, unless `VERBOSE´ is nonempty.
 213 override silent := $(if $(VERBOSE),,@)
 214
 215 # (callable) Escape special characters for use in sed regular expressions.
 216 override sedesc = $(subst /,[/],$(subst $$,\$$,$(subst *,\*,$(subst .,\.,$(subst [,\[,$(subst ^,\^,$(subst \,\\,$1)))))))
 217
 218 # The command to use for percent‐decoding.
 219 override perdeccmd := $(SED) 's/|/%7C/g;s/[\]/%5C/g;s/%[0-9A-Fa-f]\{2\}/|&|/g' | $(TR) '|' '\n' | $(SED) '/^%[0-9A-Fa-f]\{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}' | $(XARGS) -0 $(PRINTF) '%b'
 220
 221 # (callable) Percent‐decode the given strings.
 222 #
 223 # ☡ This variable creates a subshell every time it is computed.
 224 override perdec = $(shell $(PRINTF) '%s\0450A' $(foreach encoded,$1,$(call quote,$(encoded))) | $(perdeccmd))
 225
 226 # (callable) Percent‐encode the given strings.
 227 #
 228 # This singly‐encodes u·r·i characters and doubly‐encodes other characters, then calls `perdec´ to decode back to a single encoding.
 229 # 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´).
 230 #
 231 # It is assumed that the given strings do not contain newlines.
 232 #
 233 # ☡ This variable creates a subshell every time it is computed.
 234 override perenc = $(shell $(PRINTF) '%s\n' $(foreach unencoded,$1,$(call quote,$(unencoded))) | $(OD) -t x1 | $(SED) 's/^[0-9]*//;s/0[Aa]/%&/g;s/2[146-9A-Ea-e]/%&/g;s/3[0-9AaBbDd]/%&/g;s/40/%&/g;s/[46][1-9A-Fa-f]/%&/g;s/[57][0-9Aa]/%&/g;s/5[Ff]/%&/g;s/7[Ee]/%&/g;s/[ ][0-9A-Fa-f]\{2\}/%25&/g' | $(TR) -d ' \n' | $(TR) 'abcdef' 'ABCDEF' | $(perdeccmd))
 235
 236 # (callable) Percent‐encode each component in the given paths.
 237 #
 238 # ☡ This variable creates a subshell every time it is computed.
 239 override pathenc = $(subst %2F,/,$(call perenc,$1))
 240
 241 # (overridable) Collect all of the applicable includes from the includes directory.
 242 sourceincludes := $(shell $(FIND) $(foreach dir,$(INCLUDEDIR),$(call quote,$(dir))) '(' $(FINDRULES) ')' -a -type f)
 243
 244 # (overridable) Collect all of the applicable source files from the source directory, removing any which are also includes.
 245 sourcefiles := $(filter-out $(sourceincludes),$(shell $(FIND) $(foreach dir,$(SRCDIR),$(call quote,$(dir))) '(' $(FINDRULES) ')' -a -type f))
 246
 247 # Figure out the file type of each source file and source include.
 248 ifneq ($(wildcard $(BUILDDIR)/magic.mgc),)
 249 override types := $(shell $(SED) 's/^ *//;s/ *$$//;s/ {2,}/ /g' <<< $(call quote,$(sourcefiles) $(sourceincludes)) | $(TR) ' ' '\n' | $(FILE) -m $(call quote,$(BUILDDIR)/magic.mgc) --mime-type --separator '|' --files-from - | $(SED) 's/| */|/g')
 250 endif
 251
 252 # Get the list of supported plaintext file types from the parser.
 253 ifneq ($(wildcard $(BUILDDIR)/parser.xslt),)
 254 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)))
 255 endif
 256
 257 # (callable) Get all of the files (source and includes) which have the given types.
 258 override filesoftype = $(foreach type,$1,$(patsubst %|$(type),%,$(filter %|$(type),$(types))))
 259
 260 # Build up collections of various file types.
 261 override xmlfiles := $(call filesoftype,$(XMLTYPES))
 262 override plaintextfiles := $(filter-out $(xmlfiles),$(call filesoftype,$(plaintexttypes)))
 263 override assetfiles := $(filter-out $(xmlfiles) $(plaintextfiles),$(sourcefiles) $(sourceincludes))
 264
 265 # (callable) Get the types of the given files.
 266 override typeoffile = $(patsubst $(foreach file,$1,$(file)|%),%,$(filter $(foreach file,$1,$(file)|%),$(types)))
 267
 268 # Pair each source magic file with its location in the build directory.
 269 override magicpair := $(foreach magicfile,$(MAGIC),$(magicfile)|$(BUILDDIR)/magic/$(notdir $(magicfile)))
 270
 271 # (callable) Get the source file for the given magic files.
 272 override magicsource = $(foreach magicpath,$1,$(patsubst %|$(magicpath),%,$(firstword $(filter %|$(magicpath),$(magicpair)))))
 273
 274 # (callable) Get the build file for the given magic files.
 275 override magicfile = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(magicpair))))
 276
 277 # (callable) Get the local path for the given source file.
 278 override sourcepath = $(firstword $(foreach directory,$(SRCDIR),$(if $(filter $(directory)/%,$1),$(patsubst $(directory)/%,%,$1),)))
 279
 280 # (callable) Get the local path for the given include.
 281 override includepath = $(firstword $(foreach directory,$(INCLUDEDIR),$(if $(filter $(directory)/%,$1),$(patsubst $(directory)/%,%,$1),)))
 282
 283 # (callable) Get base64 data u·r·i’s for the given files.
 284 #
 285 # ☡ This variable creates a subshell every time it is computed.
 286 override datauri = $(foreach file,$1,data:$(call typeoffile,$(file));base64,$(shell $(UUENCODE) -m -r $(call quote,$(file)) _ | tr -d ' \n'))
 287
 288 # Pair each source file and include with its local u·r·i.
 289 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)))))
 290
 291 # (callable) Get local uris for the given files.
 292 override localuri = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(sourcelocalpair))))
 293
 294 # (callable) Get the source files for the given local uris.
 295 override sourcefile = $(foreach local,$1,$(patsubst %|$(local),%,$(filter %|$(local),$(sourcelocalpair))))
 296
 297 # Adds a requirement on `$(BUILDDIR)/.update-types´ if the file is present.
 298 #
 299 # This file is created after a reload due to type changes, and is removed after.
 300 # Requiring it ensures that file classifications are up·to·date immediately after the reload.
 301 override typeupdates := $(wildcard $(BUILDDIR)/.update-types)
 302
 303 # Pair each source file and include with its parsed location.
 304 override sourceparsedpair := $(foreach file,$(sourcefiles) $(sourceincludes),$(file)|$(BUILDDIR)/$(if $(filter $(file),$(sourceincludes)),includes/$(call includepath,$(file)),sources/$(call sourcepath,$(file))))
 305
 306 # (callable) Get the location of the transformed X·M·L files for the given source files.
 307 override parsed = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(sourceparsedpair))))
 308
 309 # (callable) Get the source files for the given parsed file.
 310 override unparsed = $(foreach file,$1,$(patsubst %|$(file),%,$(filter %|$(file),$(sourceparsedpair))))
 311
 312 # Pair each parser, transform, or parsed file with its file u·r·i.
 313 override fileuripairs := $(join $(patsubst %,%|,$(PARSERS) $(TRANSFORMS) $(call parsed,$(sourcefiles) $(sourceincludes))),$(call pathenc,$(foreach uriable,$(PARSERS) $(TRANSFORMS) $(call parsed,$(sourcefiles) $(sourceincludes)),file://$(abspath $(uriable)))))
 314
 315 # (callable) Get the file u·r·is for the given parsers, transforms, or parsed files.
 316 override fileuri = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(fileuripairs))))
 317
 318 ifneq ($(wildcard $(BUILDDIR)/dependencies),)
 319 # Pair each file with a list of dependencies for it.
 320 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/^ //))))
 321
 322 # (callable) Get the list of dependency leiris for the given source files.
 323 #
 324 # Recursive dependencies are marked with a leading `-´.
 325 override dependencyuris = $(foreach file,$1,$(subst |, ,$(patsubst $(file)|%,%,$(filter $(file)|%,$(dependenciesforfile)))))
 326
 327 # (callable) Get the list of recursive dependencies for the given source files.
 328 override recursives = $(foreach uri,$(filter -%,$(call dependencyuris,$1)),$(call sourcefile,$(patsubst -%,%,$(uri))))
 329
 330 # (callable) Get the list of (nonrecursive) dependencies for the given source files.
 331 override dependencies = $(foreach uri,$(filter-out -%,$(call dependencyuris,$1)),$(call sourcefile,$(uri)))
 332 endif
 333
 334 # Collect all files with recursive dependencies.
 335 override recursivefiles := $(foreach file,$(filter-out $(assetfiles),$(sourcefiles)),$(if $(call recursives,$(file)),$(file),))
 336
 337 # Collect all files which should be compiled.
 338 #
 339 # This is all of the non·asset, nonrecursive files.
 340 override compilablefiles := $(filter-out $(assetfiles) $(recursivefiles),$(sourcefiles))
 341
 342 # Collect all files which can be installed.
 343 #
 344 # This is all of the comilable files and all asset sources.
 345 override installablefiles := $(compilablefiles) $(filter $(assetfiles),$(sourcefiles))
 346
 347 ifneq ($(wildcard $(BUILDDIR)/destinations),)
 348 # Get the output of the destination transform.
 349 override destinations := $(shell $(CAT) $(BUILDDIR)/destinations)
 350
 351 # Pair source files and their destinations.
 352 override sourcedestinationpair := $(foreach destination,$(destinations),$(call sourcefile,$(firstword $(subst |, ,$(destination))))|$(call perdec,$(subst $(space),|,$(wordlist 2,$(words $(subst |, ,$(destination))),$(subst |, ,$(destination))))))
 353
 354 # (callable) Get the destination for the given source files.
 355 override destination = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(sourcedestinationpair))))
 356
 357 # Pair each source file with its compiled location.
 358 override sourcecompiledpair := $(foreach file,$(sourcefiles),$(file)|$(BUILDDIR)/public/$(call destination,$(file)))
 359
 360 # (callable) Get the location of the transformed X·M·L files for the given source files.
 361 override compiled = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(sourcecompiledpair))))
 362
 363 # (callable) Get the source files for the given compiled file.
 364 override uncompiled = $(foreach file,$1,$(patsubst %|$(file),%,$(filter %|$(file),$(sourcecompiledpair))))
 365
 366 # (callable) Get the installed locations for the given source files.
 367 override installed = $(foreach file,$1,$(DESTDIR)/$(call destination,$(file)))
 368 endif
 369
 370 # ─ ¶ Recipe Variable Definitions ─────────────────────────────────────
 371
 372 # (callable) Check to see if the given directory exists and create it if not.
 373 override ensuredirectory = if $(TEST) ! -d $(call quote,$1); then $(MKDIR) -p $(call quote,$1); fi
 374
 375 # (callable) Get the identifier for the given parser or transform.
 376 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))))
 377
 378 # (callable) Sanitize and wrap the provided plaintext file in X·M·L, printing to `stdout´.
 379 override wrapplaintext = $(PRINTF) '%s\n' "$$($(PRINTF) '%b' '<?xml version=\042\061.0\042?>\n<script xmlns=\042http://www.w3.org/1999/xhtml\042 type=\042$(call typeoffile,$1)\042><![CDATA['; $(CAT) $(call quote,$1) | $(TR) '\000\013\014' '\032\011\012' | $(SED) $$($(PRINTF) '%s%b' 's/]]>/]]]]><!\[CDATA\[>/g;s/\xEF\xBF\xBE/�/g;s/\xEF\xBF\xBF/�/g;$$!s/\r$$//g;s/\r/\n/g;$$!s/\xC2\x85$$//g;s/\xC2\x85/\n/g;s/\xE2\x80\xA8/\n/g;' 's/[\0001-\0010]/�/g;s/[\0016-\0037]/�/g'); $(PRINTF) '%s' ']]></script>')"
 380
 381 # ─ ¶ Phony Targets ───────────────────────────────────────────────────
 382
 383 # Compile all files, or error if any are recursive.
 384 all : $(call compiled,$(recursivefiles) $(compilablefiles)) ;
 385
 386 # Destroy buildfiles.
 387 clean :
 388         $(if $(BUILDDIR),$(silent)$(RM) -rf $(call quote,$(BUILDDIR)/),)
 389
 390 # Destroy build directory and installed files.
 391 gone : clean uninstall ;
 392
 393 # Provide help.
 394 help :
 395         @$(PRINTF) '%b' '$(subst $(newline),\n,$(makefileinfo))'
 396
 397 # Install the compiled files into `DESTDIR´, or error if any are recursive.
 398 install : $(call installed,$(recursivefiles) $(installablefiles)) ;
 399
 400 # List all source files and includes and their computed types.
 401 list :
 402         @$(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]$(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 '
 403
 404 # Destroy installed files.
 405 uninstall :
 406         $(foreach file,$(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),))
 407
 408 # Raise an error when attempting to build any files with recursive dependencies.
 409 $(call compiled,$(recursivefiles)) :
 410         @$(PRINTF) '%b\n' $(call quote,\0033[93;41mError:\0033[39;49m `$(call uncompiled,$@)´ has recursive dependencies:\n$(subst |, ,$(subst $(space),$(newline),$(foreach recursive,$(call recursives,$(call uncompiled,$@)),•|$(recursive))))) && false
 411
 412 # ─ ¶ Special Targets ─────────────────────────────────────────────────
 413
 414 # Perform secondary expansion; this enables pattern rules to determine their prerequisites based on the matched pattern.
 415 .SECONDEXPANSION : ;
 416
 417 # Don’t use any implicit rules.
 418 .SUFFIXES : ;
 419
 420 # Phony rules; always consider these out·of·date.
 421 .PHONY : all default clean gone info install list uninstall $(call compiled,$(recursivefiles)) ;
 422
 423 ifneq ($(wildcard $(BUILDDIR)/.update-types)$(wildcard $(BUILDDIR)/dependencies)$(wildcard $(BUILDDIR)/destinations),)
 424 # Reload this make·file if the dependency graph or output destinations have changed.
 425 #
 426 # 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.
 427 #
 428 # This recipe only exists after types have been updated or when the dependency graph or destinations file already exists.
 429 $(THISDIR)/GNUmakefile :: $(BUILDDIR)/dependencies $(BUILDDIR)/destinations
 430         $(silent)$(TOUCH) $(THISDIR)/GNUmakefile
 431         $(silent)$(RM) -f $(BUILDDIR)/.update-types
 432         @$(PRINTF) '%b\n' '\0033[1mDependency graph and output destinations updated. Restarting…\0033[22m'
 433 endif
 434
 435 ifeq ($(wildcard $(BUILDDIR)/.update-types),)
 436 # Reload this make·file if any of the magic files or parsers have changed.
 437 #
 438 # These are used to classify source files, so if they have changed then the make·file must be reloaded.
 439 #
 440 # This recipe sleeps for one second to ensure that files built after the restart have a more current time·stamp.
 441 $(THISDIR)/GNUmakefile :: $(BUILDDIR)/magic.mgc $(BUILDDIR)/parser.xslt
 442         $(silent)$(TOUCH) $(THISDIR)/GNUmakefile
 443         $(silent)$(RM) -f $(call quote,$(BUILDDIR)/dependencies) $(call quote,$(BUILDDIR)/destinations)
 444         @$(PRINTF) '%b\n' '\0033[1mMagic file or parsers have updated. Restarting…\0033[22m'
 445         $(silent)$(SLEEP) 1
 446         $(silent)$(TOUCH) $(call quote,$(BUILDDIR)/.update-types)
 447 endif
 448
 449 # ─ ¶ Build Targets ───────────────────────────────────────────────────
 450
 451 # Create symbolic links from the build directory’s store of magic files
 452 # to their corresponding sources.
 453 $(call magicfile,$(MAGIC)) : $(BUILDDIR)/magic/%: $$(call magicsource,$$@)
 454         $(silent)$(call ensuredirectory,$(dir $@))
 455         $(silent)$(LN) -sf $(call quote,$(realpath $<)) $(call quote,$@)
 456
 457 # Generate the compiled magic file from its sources.
 458 #
 459 # It must be updated if any of the files in the magic directory change.
 460 # It ⁜also⁜ should be updated if any of the files in the magic directory are deleted, but this isn’t tracked presently.
 461 $(BUILDDIR)/magic.mgc : $(call magicfile,$(MAGIC))
 462         $(foreach outdated,$(filter-out $^,$(wildcard $(BUILDDIR)/magic/*)),$(silent)$(RM) $(call quote,$(outdated))$(newline))
 463         @$(ECHO) "Compiling new magic…"
 464         $(silent)$(call ensuredirectory,$(dir $@))
 465         $(silent)cd $(call quote,$(BUILDDIR)) && $(FILE) -C -m $(call quote,$(realpath $(BUILDDIR)/magic))
 466
 467 # Generate the main parser.
 468 $(BUILDDIR)/parser.catalog : $(PARSERS)
 469         @$(ECHO) "Generating catalog of parsers…"
 470         $(silent)$(XMLCATALOG) --create --noout $(call quote,$@)
 471         $(foreach parser,$(PARSERS),$(silent)( $(call id,$(parser)) ) | $(XARGS) -I %% $(XMLCATALOG) --add uri %% $(call quote,$(call fileuri,$(parser))) --noout $(call quote,$@)$(newline))
 472 $(BUILDDIR)/parser.xslt: $(BUILDDIR)/parser.catalog $(THISDIR)/lib/catalog2parser.xslt
 473         @$(ECHO) "Generating main parser…"
 474         $(silent)$(XSLTPROC) -o $(call quote,$@) $(call quote,$(THISDIR)/lib/catalog2parser.xslt) $(call quote,$<)
 475
 476 # Parse the files.
 477 #
 478 # 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.
 479 # Asset files are turned into H·T·M·L embeds pointing to `data:´ U·R·I’s.
 480 $(call parsed,$(sourcefiles) $(sourceincludes)) : % : $$(call unparsed,$$@) $(typeupdates)
 481         @$(PRINTF) '%s\n' $(call quote,Processing `$<´…)
 482         $(silent)$(call ensuredirectory,$(dir $@))
 483         $(silent)$(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)),$(call wrapplaintext,$<),$(CAT) $(call quote,$<)) | $(XSLTPROC) -o $(call quote,$@) --stringparam BUILDTIME $$(TZ= $(DATE) '+%Y-%m-%dT%H:%M:%SZ') --stringparam SRCTIME $$(TZ= $(STAT) -f '%Sm' -t '%Y-%m-%dT%H:%M:%SZ' $(call quote,$(call unparsed,$@)))$(if $(GENERATOR), --stringparam GENERATOR $(call quote,$(GENERATOR)))$(if $(VERSION), --stringparam VERSION $(call quote,$(VERSION)),)$(if $(SRCREV), --stringparam SRCREV $(call quote,$(SRCREV)),) $(call quote,$(BUILDDIR)/parser.xslt) -)
 484
 485 # Generate a catalog of all parsed files, for use when processing includes.
 486 #
 487 # This does not depend on actually transforming the files.
 488 $(BUILDDIR)/catalog : $(sourcefiles) $(sourceincludes) $(typeupdates)
 489         @$(ECHO) "Generating catalog of parsed files…"
 490         $(silent)$(XMLCATALOG) --create --noout $(call quote,$@)
 491         $(foreach source,$(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))
 492
 493 # Build a list of dependencies for each parsed file.
 494 $(BUILDDIR)/dependencies : $(BUILDDIR)/catalog $(call parsed,$(plaintextfiles) $(xmlfiles)) $(THISDIR)/lib/catalog2dependencies.xslt
 495         @$(ECHO) "Identifying dependencies…"
 496         $(silent)$(XSLTPROC) -o $(call quote,$@) $(call quote,$(THISDIR)/lib/catalog2dependencies.xslt) $(call quote,$<)
 497
 498 # Generate a catalog of destinations for files.
 499 #
 500 # This depends on parsing non·asset source files, but not assets or includes.
 501 # It does not require knowing the dependencies.
 502 $(BUILDDIR)/destinations : $(BUILDDIR)/catalog $(call parsed,$(filter-out $(assetfiles),$(sourcefiles))) $(THISDIR)/lib/catalog2destinations.xslt
 503         @$(ECHO) "Identifying output destinations…"
 504         $(silent)$(XSLTPROC) -o $(call quote,$@) $(call quote,$(THISDIR)/lib/catalog2destinations.xslt) $(call quote,$<)
 505
 506 # Generate the main transform.
 507 $(BUILDDIR)/transform.catalog : $(TRANSFORMS)
 508         @$(ECHO) "Generating catalog of transforms…"
 509         $(silent)$(XMLCATALOG) --create --noout $(call quote,$@)
 510         $(foreach transform,$(TRANSFORMS),$(silent)( $(call id,$(transform)) ) | $(XARGS) -I %% $(XMLCATALOG) --add uri %% $(call quote,$(call fileuri,$(transform))) --noout $(call quote,$@)$(newline))
 511 $(BUILDDIR)/transform.xslt : $(BUILDDIR)/transform.catalog $(THISDIR)/lib/catalog2transform.xslt
 512         @$(ECHO) "Generating main transform…"
 513         $(silent)$(XSLTPROC) -o $(call quote,$@) $(call quote,$(THISDIR)/lib/catalog2transform.xslt) $(call quote,$<)
 514
 515 # Generate the output files using the dependencies as necessary.
 516 $(call compiled,$(compilablefiles)) : $(BUILDDIR)/public/% : $$(call parsed,$$(call uncompiled,$$@)) $(BUILDDIR)/transform.xslt $$(call parsed,$$(call dependencies,$$(call uncompiled,$$@)))
 517         $(silent)$(call ensuredirectory,$(dir $@))
 518         @$(PRINTF) '%s\n' $(call quote,Compiling </$*>…)
 519         $(silent)$(XSLTPROC) -o $(call quote,$@) --stringparam CATALOG 'catalog' --stringparam BUILDTIME $$(TZ= $(DATE) '+%Y-%m-%dT%H:%M:%SZ') --stringparam SRCTIME $$(TZ= $(STAT) -f '%Sm' -t '%Y-%m-%dT%H:%M:%SZ' $(call quote,$(call uncompiled,$@))) --stringparam PATH $(call quote,/$*)$(if $(GENERATOR), --stringparam GENERATOR $(call quote,$(GENERATOR)))$(if $(VERSION), --stringparam VERSION $(call quote,$(VERSION)),)$(if $(SRCREV), --stringparam SRCREV $(call quote,$(SRCREV)),) $(call quote,$(BUILDDIR)/transform.xslt) $(call quote,$<)
 520 $(call compiled,$(filter $(assetfiles),$(sourcefiles))) : $(BUILDDIR)/public/% : $$(call uncompiled,$$@)
 521         @$(PRINTF) '%s\n' $(call quote,Compiling </$*>…)
 522         $(silent)$(call ensuredirectory,$(dir $@))
 523         $(silent)$(CP) $(call quote,$<) $(call quote,$@)
 524
 525 # Install compiled files (or error in the case of recursive ones).
 526 $(call installed,$(filter $(assetfiles),$(sourcefiles)) $(recursivefiles) $(compilablefiles)) : $(DESTDIR)/% : $(BUILDDIR)/public/%
 527         @$(PRINTF) '%s\n' $(call quote,Installing </$*>…)
 528         $(silent)$(call ensuredirectory,$(dir $@))
 529         $(silent)$(CP) $(call quote,$<) $(call quote,$@)