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",$$0}/%/{sub("%","0x");cmd="$(XARGS) $(PRINTF) \"%04o\"";printf "%s","\\";printf "%s",$$0|cmd;close(cmd)}' | $(XARGS) -0 $(PRINTF) '%b'
 220
 221 # (callable) Percent‐decode the given strings.
 222 override perdec = $(shell $(PRINTF) '%s\0450A' $(foreach encoded,$1,$(call quote,$(encoded))) | $(perdeccmd))
 223
 224 # (callable) Percent‐encode the given strings.
 225 #
 226 # This singly‐encodes u·r·i characters and doubly‐encodes other characters, then calls `perdec´ to decode back to a single encoding.
 227 # 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´).
 228 #
 229 # It is assumed that the given strings do not contain newlines.
 230 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))
 231
 232 # (callable) Percent‐encode each component in the given paths.
 233 override pathenc = $(subst %2F,/,$(call perenc,$1))
 234
 235 # (overridable) Collect all of the applicable includes from the includes directory.
 236 sourceincludes := $(shell $(FIND) $(foreach dir,$(INCLUDEDIR),$(call quote,$(dir))) '(' $(FINDRULES) ')' -a -type f)
 237
 238 # (overridable) Collect all of the applicable source files from the source directory, removing any which are also includes.
 239 sourcefiles := $(filter-out $(sourceincludes),$(shell $(FIND) $(foreach dir,$(SRCDIR),$(call quote,$(dir))) '(' $(FINDRULES) ')' -a -type f))
 240
 241 # Figure out the file type of each source file and source include.
 242 ifneq ($(wildcard $(BUILDDIR)/magic.mgc),)
 243 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')
 244 endif
 245
 246 # Get the list of supported plaintext file types from the parser.
 247 ifneq ($(wildcard $(BUILDDIR)/parser.xslt),)
 248 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)))
 249 endif
 250
 251 # (callable) Get all of the files (source and includes) which have the given types.
 252 override filesoftype = $(foreach type,$1,$(patsubst %|$(type),%,$(filter %|$(type),$(types))))
 253
 254 # Build up collections of various file types.
 255 override xmlfiles := $(call filesoftype,$(XMLTYPES))
 256 override plaintextfiles := $(filter-out $(xmlfiles),$(call filesoftype,$(plaintexttypes)))
 257 override assetfiles := $(filter-out $(xmlfiles) $(plaintextfiles),$(sourcefiles) $(sourceincludes))
 258
 259 # (callable) Get the types of the given files.
 260 override typeoffile = $(patsubst $(foreach file,$1,$(file)|%),%,$(filter $(foreach file,$1,$(file)|%),$(types)))
 261
 262 # (callable) Get the identifier for the given parser or transform.
 263 override id = $(or $(shell $(XMLLINT) --xpath '/*/*[local-name()="id" and namespace-uri()="urn:fdc:ladys.computer:20231231:Shu1She4"]/text()[1]' $1 2> /dev/null),about:shushe?$(or $2,unknown)=$(call pathenc,$(basename $(notdir $1))))
 264
 265 # Pair each source magic file with its location in the build directory.
 266 override magicpair := $(foreach magicfile,$(MAGIC),$(magicfile)|$(BUILDDIR)/magic/$(notdir $(magicfile)))
 267
 268 # (callable) Get the source file for the given magic files.
 269 override magicsource = $(foreach magicpath,$1,$(patsubst %|$(magicpath),%,$(firstword $(filter %|$(magicpath),$(magicpair)))))
 270
 271 # (callable) Get the build file for the given magic files.
 272 override magicfile = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(magicpair))))
 273
 274 # (callable) Get the local path for the given source file.
 275 override sourcepath = $(firstword $(foreach directory,$(SRCDIR),$(if $(filter $(directory)/%,$1),$(patsubst $(directory)/%,%,$1),)))
 276
 277 # (callable) Get the local path for the given include.
 278 override includepath = $(firstword $(foreach directory,$(INCLUDEDIR),$(if $(filter $(directory)/%,$1),$(patsubst $(directory)/%,%,$1),)))
 279
 280 # (callable) Get base64 data u·r·i’s for the given files.
 281 override datauri = $(foreach file,$1,data:$(call typeoffile,$(file));base64,$(shell $(UUENCODE) -m -r $(call quote,$(file)) _ | tr -d ' \n'))
 282
 283 # Pair each source file and include with its local u·r·i.
 284 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)))))
 285
 286 # (callable) Get local uris for the given files.
 287 override localuri = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(sourcelocalpair))))
 288
 289 # (callable) Get the source files for the given local uris.
 290 override sourcefile = $(foreach local,$1,$(patsubst %|$(local),%,$(filter %|$(local),$(sourcelocalpair))))
 291
 292 # Adds a requirement on `$(BUILDDIR)/.update-types´ if the file is present.
 293 #
 294 # This file is created after a reload due to type changes, and is removed after.
 295 # Requiring it ensures that file classifications are up·to·date immediately after the reload.
 296 override typeupdates := $(wildcard $(BUILDDIR)/.update-types)
 297
 298 # Pair each source file and include with its parsed location.
 299 override sourceparsedpair := $(foreach file,$(sourcefiles) $(sourceincludes),$(file)|$(BUILDDIR)/$(if $(filter $(file),$(sourceincludes)),includes/$(call includepath,$(file)),sources/$(call sourcepath,$(file))))
 300
 301 # (callable) Get the location of the transformed X·M·L files for the given source files.
 302 override parsed = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(sourceparsedpair))))
 303
 304 # (callable) Get the source files for the given parsed file.
 305 override unparsed = $(foreach file,$1,$(patsubst %|$(file),%,$(filter %|$(file),$(sourceparsedpair))))
 306
 307 ifneq ($(wildcard $(BUILDDIR)/dependencies),)
 308 # Pair each file with a list of dependencies for it.
 309 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/^ //))))
 310
 311 # (callable) Get the list of dependency leiris for the given source files.
 312 #
 313 # Recursive dependencies are marked with a leading `-´.
 314 override dependencyuris = $(foreach file,$1,$(subst |, ,$(patsubst $(file)|%,%,$(filter $(file)|%,$(dependenciesforfile)))))
 315
 316 # (callable) Get the list of recursive dependencies for the given source files.
 317 override recursives = $(foreach uri,$(filter -%,$(call dependencyuris,$1)),$(call sourcefile,$(patsubst -%,%,$(uri))))
 318
 319 # (callable) Get the list of (nonrecursive) dependencies for the given source files.
 320 override dependencies = $(foreach uri,$(filter-out -%,$(call dependencyuris,$1)),$(call sourcefile,$(uri)))
 321 endif
 322
 323 # Collect all files with recursive dependencies.
 324 override recursivefiles := $(foreach file,$(filter-out $(assetfiles),$(sourcefiles)),$(if $(call recursives,$(file)),$(file),))
 325
 326 # Collect all files which should be compiled.
 327 #
 328 # This is all of the non·asset, nonrecursive files.
 329 override compilablefiles := $(filter-out $(assetfiles) $(recursivefiles),$(sourcefiles))
 330
 331 # Collect all files which can be installed.
 332 #
 333 # This is all of the comilable files and all asset sources.
 334 override installablefiles := $(compilablefiles) $(filter $(assetfiles),$(sourcefiles))
 335
 336 ifneq ($(wildcard $(BUILDDIR)/destinations),)
 337 # Get the output of the destination transform.
 338 override destinations := $(shell $(CAT) $(BUILDDIR)/destinations)
 339
 340 # Pair source files and their destinations.
 341 override sourcedestinationpair := $(foreach destination,$(destinations),$(call sourcefile,$(firstword $(subst |, ,$(destination))))|$(call perdec,$(subst $(space),|,$(wordlist 2,$(words $(subst |, ,$(destination))),$(subst |, ,$(destination))))))
 342
 343 # (callable) Get the destination for the given source files.
 344 override destination = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(sourcedestinationpair))))
 345
 346 # Pair each source file with its compiled location.
 347 override sourcecompiledpair := $(foreach file,$(sourcefiles),$(file)|$(BUILDDIR)/public/$(call destination,$(file)))
 348
 349 # (callable) Get the location of the transformed X·M·L files for the given source files.
 350 override compiled = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(sourcecompiledpair))))
 351
 352 # (callable) Get the source files for the given compiled file.
 353 override uncompiled = $(foreach file,$1,$(patsubst %|$(file),%,$(filter %|$(file),$(sourcecompiledpair))))
 354
 355 # (callable) Get the installed locations for the given source files.
 356 override installed = $(foreach file,$1,$(DESTDIR)/$(call destination,$(file)))
 357 endif
 358
 359 # ─ ¶ Recipe Variable Definitions ─────────────────────────────────────
 360
 361 # (callable) Check to see if the given directory exists and create it if not.
 362 override ensuredirectory = if $(TEST) ! -d $(call quote,$1); then $(MKDIR) -p $(call quote,$1); fi
 363
 364 # (callable) Sanitize and wrap the provided plaintext file in X·M·L, printing to `stdout´.
 365 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>')"
 366
 367 # ─ ¶ Phony Targets ───────────────────────────────────────────────────
 368
 369 # Compile all files, or error if any are recursive.
 370 all : $(call compiled,$(recursivefiles) $(compilablefiles)) ;
 371
 372 # Destroy buildfiles.
 373 clean :
 374         $(if $(BUILDDIR),$(silent)$(RM) -rf $(call quote,$(BUILDDIR)/),)
 375
 376 # Destroy build directory and installed files.
 377 gone : clean uninstall ;
 378
 379 # Provide help.
 380 help :
 381         @$(PRINTF) '%b' '$(subst $(newline),\n,$(makefileinfo))'
 382
 383 # Install the compiled files into `DESTDIR´, or error if any are recursive.
 384 install : $(call installed,$(recursivefiles) $(installablefiles)) ;
 385
 386 # List all source files and includes and their computed types.
 387 list :
 388         @$(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 '
 389
 390 # Destroy installed files.
 391 uninstall :
 392         $(foreach file,$(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),))
 393
 394 # Raise an error when attempting to build any files with recursive dependencies.
 395 $(call compiled,$(recursivefiles)) :
 396         @$(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
 397
 398 # ─ ¶ Special Targets ─────────────────────────────────────────────────
 399
 400 # Perform secondary expansion; this enables pattern rules to determine their prerequisites based on the matched pattern.
 401 .SECONDEXPANSION : ;
 402
 403 # Don’t use any implicit rules.
 404 .SUFFIXES : ;
 405
 406 # Phony rules; always consider these out·of·date.
 407 .PHONY : all default clean gone info install list uninstall $(call compiled,$(recursivefiles)) ;
 408
 409 ifneq ($(wildcard $(BUILDDIR)/.update-types)$(wildcard $(BUILDDIR)/dependencies)$(wildcard $(BUILDDIR)/destinations),)
 410 # Reload this make·file if the dependency graph or output destinations have changed.
 411 #
 412 # 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.
 413 #
 414 # This recipe only exists after types have been updated or when the dependency graph or destinations file already exists.
 415 $(THISDIR)/GNUmakefile :: $(BUILDDIR)/dependencies $(BUILDDIR)/destinations
 416         $(silent)$(TOUCH) $(THISDIR)/GNUmakefile
 417         $(silent)$(RM) -f $(BUILDDIR)/.update-types
 418         @$(PRINTF) '%b\n' '\0033[1mDependency graph and output destinations updated. Restarting…\0033[22m'
 419 endif
 420
 421 ifeq ($(wildcard $(BUILDDIR)/.update-types),)
 422 # Reload this make·file if any of the magic files or parsers have changed.
 423 #
 424 # These are used to classify source files, so if they have changed then the make·file must be reloaded.
 425 #
 426 # This recipe sleeps for one second to ensure that files built after the restart have a more current time·stamp.
 427 $(THISDIR)/GNUmakefile :: $(BUILDDIR)/magic.mgc $(BUILDDIR)/parser.xslt
 428         $(silent)$(TOUCH) $(THISDIR)/GNUmakefile
 429         $(silent)$(RM) -f $(call quote,$(BUILDDIR)/dependencies) $(call quote,$(BUILDDIR)/destinations)
 430         @$(PRINTF) '%b\n' '\0033[1mMagic file or parsers have updated. Restarting…\0033[22m'
 431         $(silent)$(SLEEP) 1
 432         $(silent)$(TOUCH) $(call quote,$(BUILDDIR)/.update-types)
 433 endif
 434
 435 # ─ ¶ Build Targets ───────────────────────────────────────────────────
 436
 437 # Create symbolic links from the build directory’s store of magic files
 438 # to their corresponding sources.
 439 $(call magicfile,$(MAGIC)) : $(BUILDDIR)/magic/%: $$(call magicsource,$$@)
 440         $(silent)$(call ensuredirectory,$(dir $@))
 441         $(silent)$(LN) -sf $(call quote,$(realpath $<)) $(call quote,$@)
 442
 443 # Generate the compiled magic file from its sources.
 444 #
 445 # It must be updated if any of the files in the magic directory change.
 446 # It ⁜also⁜ should be updated if any of the files in the magic directory are deleted, but this isn’t tracked presently.
 447 $(BUILDDIR)/magic.mgc : $(call magicfile,$(MAGIC))
 448         $(foreach outdated,$(filter-out $^,$(wildcard $(BUILDDIR)/magic/*)),$(silent)$(RM) $(call quote,$(outdated))$(newline))
 449         @$(ECHO) "Compiling new magic…"
 450         $(silent)$(call ensuredirectory,$(dir $@))
 451         $(silent)cd $(call quote,$(BUILDDIR)) && $(FILE) -C -m $(call quote,$(realpath $(BUILDDIR)/magic))
 452
 453 # Generate the main parser.
 454 $(BUILDDIR)/parser.catalog : $(PARSERS)
 455         @$(ECHO) "Generating catalog of parsers…"
 456         $(silent)$(XMLCATALOG) --create --noout $(call quote,$@)
 457         $(foreach parser,$(PARSERS),$(silent)$(XMLCATALOG) --add uri $(call quote,$(call id,$(parser),parser)) $(call quote,file://$(call pathenc,$(abspath $(parser)))) --noout $(call quote,$@)$(newline))
 458 $(BUILDDIR)/parser.xslt: $(BUILDDIR)/parser.catalog $(THISDIR)/lib/catalog2parser.xslt
 459         @$(ECHO) "Generating main parser…"
 460         $(silent)$(XSLTPROC) -o $(call quote,$@) $(call quote,$(THISDIR)/lib/catalog2parser.xslt) $(call quote,$<)
 461
 462 # Parse the files.
 463 #
 464 # 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.
 465 # Asset files are turned into H·T·M·L embeds pointing to `data:´ U·R·I’s.
 466 $(call parsed,$(sourcefiles) $(sourceincludes)) : % : $$(call unparsed,$$@) $(typeupdates)
 467         @$(PRINTF) '%s\n' $(call quote,Processing `$<´…)
 468         $(silent)$(call ensuredirectory,$(dir $@))
 469         $(silent)$(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 '$(shell TZ= $(DATE) '+%Y-%m-%dT%H:%M:%SZ')' --stringparam SRCTIME '$(shell 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) -)
 470
 471 # Generate a catalog of all parsed files, for use when processing includes.
 472 #
 473 # This does not depend on actually transforming the files.
 474 $(BUILDDIR)/catalog : $(sourcefiles) $(sourceincludes) $(typeupdates)
 475         @$(ECHO) "Generating catalog of parsed files…"
 476         $(silent)$(XMLCATALOG) --create --noout $(call quote,$@)
 477         $(foreach source,$(sourcefiles) $(sourceincludes),$(silent)$(XMLCATALOG) --add uri $(call quote,$(call localuri,$(source))) $(call quote,file://$(call pathenc,$(abspath $(call parsed,$(source))))#$(if $(filter $(source),$(assetfiles)),asset,xml)) --noout $(call quote,$@)$(newline))
 478
 479 # Build a list of dependencies for each parsed file.
 480 $(BUILDDIR)/dependencies : $(BUILDDIR)/catalog $(call parsed,$(plaintextfiles) $(xmlfiles)) $(THISDIR)/lib/catalog2dependencies.xslt
 481         @$(ECHO) "Identifying dependencies…"
 482         $(silent)$(XSLTPROC) -o $(call quote,$@) $(call quote,$(THISDIR)/lib/catalog2dependencies.xslt) $(call quote,$<)
 483
 484 # Generate a catalog of destinations for files.
 485 #
 486 # This depends on parsing non·asset source files, but not assets or includes.
 487 # It does not require knowing the dependencies.
 488 $(BUILDDIR)/destinations : $(BUILDDIR)/catalog $(call parsed,$(filter-out $(assetfiles),$(sourcefiles))) $(THISDIR)/lib/catalog2destinations.xslt
 489         @$(ECHO) "Identifying output destinations…"
 490         $(silent)$(XSLTPROC) -o $(call quote,$@) $(call quote,$(THISDIR)/lib/catalog2destinations.xslt) $(call quote,$<)
 491
 492 # Generate the main transform.
 493 $(BUILDDIR)/transform.catalog : $(TRANSFORMS)
 494         @$(ECHO) "Generating catalog of transforms…"
 495         $(silent)$(XMLCATALOG) --create --noout $(call quote,$@)
 496         $(foreach transform,$(TRANSFORMS),$(silent)$(XMLCATALOG) --add uri $(call quote,$(call id,$(transform),transform)) $(call quote,file://$(call pathenc,$(abspath $(transform)))) --noout $(call quote,$@)$(newline))
 497 $(BUILDDIR)/transform.xslt : $(BUILDDIR)/transform.catalog $(THISDIR)/lib/catalog2transform.xslt
 498         @$(ECHO) "Generating main transform…"
 499         $(silent)$(XSLTPROC) -o $(call quote,$@) $(call quote,$(THISDIR)/lib/catalog2transform.xslt) $(call quote,$<)
 500
 501 # Generate the output files using the dependencies as necessary.
 502 $(call compiled,$(compilablefiles)) : $(BUILDDIR)/public/% : $$(call parsed,$$(call uncompiled,$$@)) $(BUILDDIR)/transform.xslt $$(call parsed,$$(call dependencies,$$(call uncompiled,$$@)))
 503         $(silent)$(call ensuredirectory,$(dir $@))
 504         @$(PRINTF) '%s\n' $(call quote,Compiling </$*>…)
 505         $(silent)$(XSLTPROC) -o $(call quote,$@) --stringparam CATALOG 'catalog' --stringparam BUILDTIME '$(shell TZ= $(DATE) '+%Y-%m-%dT%H:%M:%SZ')' --stringparam SRCTIME '$(shell TZ= $(STAT) -f '%Sm' -t '%Y-%m-%dT%H:%M:%SZ' $(call quote,$(call uncompiled,$@)))' --stringparam PATH $(call quote,/$*)$(if $(GENERATOR), --stringparam GENERATOR $(call quote,$(GENERATOR)))$(if $(VERSION), --stringparam VERSION $(call quote,$(VERSION)),)$(if $(SRCREV), --stringparam SRCREV $(call quote,$(SRCREV)),) $(call quote,$(BUILDDIR)/transform.xslt) $(call quote,$<)
 506 $(call compiled,$(filter $(assetfiles),$(sourcefiles))) : $(BUILDDIR)/public/% : $$(call uncompiled,$$@)
 507         @$(PRINTF) '%s\n' $(call quote,Compiling </$*>…)
 508         $(silent)$(call ensuredirectory,$(dir $@))
 509         $(silent)$(CP) $(call quote,$<) $(call quote,$@)
 510
 511 # Install compiled files (or error in the case of recursive ones).
 512 $(call installed,$(filter $(assetfiles),$(sourcefiles)) $(recursivefiles) $(compilablefiles)) : $(DESTDIR)/% : $(BUILDDIR)/public/%
 513         @$(PRINTF) '%s\n' $(call quote,Installing </$*>…)
 514         $(silent)$(call ensuredirectory,$(dir $@))
 515         $(silent)$(CP) $(call quote,$<) $(call quote,$@)