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 [,\[,$(subst ^,\^,$(subst \,\\,$1)))))))
 217
 218 # (callable) Percent‐decode the given strings.
 219 override perdec = $(foreach encoded,$1,$(shell $(PRINTF) '%s\n' $(call quote,$(encoded)) | $(SED) 's/|/%7C/g;s/[\]/%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‐encode the given strings.
 222 #
 223 # This singly‐encodes u·r·i characters and doubly‐encodes other characters, then calls `perdec´ to decode back to a single encoding.
 224 # 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´).
 225 override perenc = $(foreach unencoded,$1,$(call perdec,$(shell $(PRINTF) '%s' $(call quote,$(unencoded)) | $(OD) -t x1 | $(SED) 's/^[0-9]*//;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')))
 226
 227 # (callable) Percent‐encode each component in the given paths.
 228 #
 229 # ☡ This will remove leading and trailing slashes.
 230 override pathenc = $(foreach path,$1,$(subst $(space),/,$(call perenc,$(subst /, ,$(path)))))
 231
 232 # (overridable) Collect all of the applicable includes from the includes directory.
 233 sourceincludes := $(shell $(FIND) $(foreach dir,$(INCLUDEDIR),$(call quote,$(dir))) '(' $(FINDRULES) ')' -a -type f)
 234
 235 # (overridable) Collect all of the applicable source files from the source directory, removing any which are also includes.
 236 sourcefiles := $(filter-out $(sourceincludes),$(shell $(FIND) $(foreach dir,$(SRCDIR),$(call quote,$(dir))) '(' $(FINDRULES) ')' -a -type f))
 237
 238 # Figure out the file type of each source file and source include.
 239 ifneq ($(wildcard $(BUILDDIR)/magic.mgc),)
 240 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')
 241 endif
 242
 243 # Get the list of supported plaintext file types from the parser.
 244 ifneq ($(wildcard $(BUILDDIR)/parser.xslt),)
 245 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)))
 246 endif
 247
 248 # (callable) Get all of the files (source and includes) which have the given types.
 249 override filesoftype = $(foreach type,$1,$(patsubst %|$(type),%,$(filter %|$(type),$(types))))
 250
 251 # Build up collections of various file types.
 252 override xmlfiles := $(call filesoftype,$(XMLTYPES))
 253 override plaintextfiles := $(filter-out $(xmlfiles),$(call filesoftype,$(plaintexttypes)))
 254 override assetfiles := $(filter-out $(xmlfiles) $(plaintextfiles),$(sourcefiles) $(sourceincludes))
 255
 256 # (callable) Get the types of the given files.
 257 override typeoffile = $(patsubst $(foreach file,$1,$(file)|%),%,$(filter $(foreach file,$1,$(file)|%),$(types)))
 258
 259 # (callable) Get the identifier for the given parser or transform.
 260 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))))
 261
 262 # Pair each source magic file with its location in the build directory.
 263 override magicpair := $(foreach magicfile,$(MAGIC),$(magicfile)|$(BUILDDIR)/magic/$(notdir $(magicfile)))
 264
 265 # (callable) Get the source file for the given magic files.
 266 override magicsource = $(foreach magicpath,$1,$(patsubst %|$(magicpath),%,$(firstword $(filter %|$(magicpath),$(magicpair)))))
 267
 268 # (callable) Get the build file for the given magic files.
 269 override magicfile = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(magicpair))))
 270
 271 # (callable) Get the local path for the given source file.
 272 override sourcepath = $(firstword $(foreach directory,$(SRCDIR),$(if $(filter $(directory)/%,$1),$(patsubst $(directory)/%,%,$1),)))
 273
 274 # (callable) Get the local path for the given include.
 275 override includepath = $(firstword $(foreach directory,$(INCLUDEDIR),$(if $(filter $(directory)/%,$1),$(patsubst $(directory)/%,%,$1),)))
 276
 277 # (callable) Get base64 data u·r·i’s for the given files.
 278 override datauri = $(foreach file,$1,data:$(call typeoffile,$(file));base64,$(shell $(UUENCODE) -m -r $(call quote,$(file)) _ | tr -d ' \n'))
 279
 280 # Pair each source file and include with its local u·r·i.
 281 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)))))
 282
 283 # (callable) Get local uris for the given files.
 284 override localuri = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(sourcelocalpair))))
 285
 286 # (callable) Get the source files for the given local uris.
 287 override sourcefile = $(foreach local,$1,$(patsubst %|$(local),%,$(filter %|$(local),$(sourcelocalpair))))
 288
 289 # Adds a requirement on `$(BUILDDIR)/.update-types´ if the file is present.
 290 #
 291 # This file is created after a reload due to type changes, and is removed after.
 292 # Requiring it ensures that file classifications are up·to·date immediately after the reload.
 293 override typeupdates := $(wildcard $(BUILDDIR)/.update-types)
 294
 295 # Pair each source file and include with its parsed location.
 296 override sourceparsedpair := $(foreach file,$(sourcefiles) $(sourceincludes),$(file)|$(BUILDDIR)/$(if $(filter $(file),$(sourceincludes)),includes/$(call includepath,$(file)),sources/$(call sourcepath,$(file))))
 297
 298 # (callable) Get the location of the transformed X·M·L files for the given source files.
 299 override parsed = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(sourceparsedpair))))
 300
 301 # (callable) Get the source files for the given parsed file.
 302 override unparsed = $(foreach file,$1,$(patsubst %|$(file),%,$(filter %|$(file),$(sourceparsedpair))))
 303
 304 ifneq ($(wildcard $(BUILDDIR)/dependencies),)
 305 # Pair each file with a list of dependencies for it.
 306 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/^ //))))
 307
 308 # (callable) Get the list of dependency leiris for the given source files.
 309 #
 310 # Recursive dependencies are marked with a leading `-´.
 311 override dependencyuris = $(foreach file,$1,$(subst |, ,$(patsubst $(file)|%,%,$(filter $(file)|%,$(dependenciesforfile)))))
 312
 313 # (callable) Get the list of recursive dependencies for the given source files.
 314 override recursives = $(foreach uri,$(filter -%,$(call dependencyuris,$1)),$(call sourcefile,$(patsubst -%,%,$(uri))))
 315
 316 # (callable) Get the list of (nonrecursive) dependencies for the given source files.
 317 override dependencies = $(foreach uri,$(filter-out -%,$(call dependencyuris,$1)),$(call sourcefile,$(uri)))
 318 endif
 319
 320 # Collect all files with recursive dependencies.
 321 override recursivefiles := $(foreach file,$(filter-out $(assetfiles),$(sourcefiles)),$(if $(call recursives,$(file)),$(file),))
 322
 323 # Collect all files which should be compiled.
 324 #
 325 # This is all of the non·asset, nonrecursive files.
 326 override compilablefiles := $(filter-out $(assetfiles) $(recursivefiles),$(sourcefiles))
 327
 328 # Collect all files which can be installed.
 329 #
 330 # This is all of the comilable files and all asset sources.
 331 override installablefiles := $(compilablefiles) $(filter $(assetfiles),$(sourcefiles))
 332
 333 ifneq ($(wildcard $(BUILDDIR)/destinations),)
 334 # Get the output of the destination transform.
 335 override destinations := $(shell $(CAT) $(BUILDDIR)/destinations)
 336
 337 # Pair source files and their destinations.
 338 override sourcedestinationpair := $(foreach destination,$(destinations),$(call sourcefile,$(firstword $(subst |, ,$(destination))))|$(call perdec,$(subst $(space),|,$(wordlist 2,$(words $(subst |, ,$(destination))),$(subst |, ,$(destination))))))
 339
 340 # (callable) Get the destination for the given source files.
 341 override destination = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(sourcedestinationpair))))
 342
 343 # Pair each source file with its compiled location.
 344 override sourcecompiledpair := $(foreach file,$(sourcefiles),$(file)|$(BUILDDIR)/public/$(call destination,$(file)))
 345
 346 # (callable) Get the location of the transformed X·M·L files for the given source files.
 347 override compiled = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(sourcecompiledpair))))
 348
 349 # (callable) Get the source files for the given compiled file.
 350 override uncompiled = $(foreach file,$1,$(patsubst %|$(file),%,$(filter %|$(file),$(sourcecompiledpair))))
 351
 352 # (callable) Get the installed locations for the given source files.
 353 override installed = $(foreach file,$1,$(DESTDIR)/$(call destination,$(file)))
 354 endif
 355
 356 # ─ ¶ Recipe Variable Definitions ─────────────────────────────────────
 357
 358 # (callable) Check to see if the given directory exists and create it if not.
 359 override ensuredirectory = if $(TEST) ! -d $(call quote,$1); then $(MKDIR) -p $(call quote,$1); fi
 360
 361 # (callable) Sanitize and wrap the provided plaintext file in X·M·L, printing to `stdout´.
 362 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>')"
 363
 364 # ─ ¶ Phony Targets ───────────────────────────────────────────────────
 365
 366 # Compile all files, or error if any are recursive.
 367 all : $(call compiled,$(recursivefiles) $(compilablefiles)) ;
 368
 369 # Destroy buildfiles.
 370 clean :
 371         $(if $(BUILDDIR),$(silent)$(RM) -rf $(call quote,$(BUILDDIR)/),)
 372
 373 # Destroy build directory and installed files.
 374 gone : clean uninstall ;
 375
 376 # Provide help.
 377 help :
 378         @$(PRINTF) '%b' '$(subst $(newline),\n,$(makefileinfo))'
 379
 380 # Install the compiled files into `DESTDIR´, or error if any are recursive.
 381 install : $(call installed,$(recursivefiles) $(installablefiles)) ;
 382
 383 # List all source files and includes and their computed types.
 384 list :
 385         @$(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 '
 386
 387 # Destroy installed files.
 388 uninstall :
 389         $(foreach file,$(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),))
 390
 391 # Raise an error when attempting to build any files with recursive dependencies.
 392 $(call compiled,$(recursivefiles)) :
 393         @$(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
 394
 395 # ─ ¶ Special Targets ─────────────────────────────────────────────────
 396
 397 # Perform secondary expansion; this enables pattern rules to determine their prerequisites based on the matched pattern.
 398 .SECONDEXPANSION : ;
 399
 400 # Don’t use any implicit rules.
 401 .SUFFIXES : ;
 402
 403 # Phony rules; always consider these out·of·date.
 404 .PHONY : all default clean gone info install list uninstall $(call compiled,$(recursivefiles)) ;
 405
 406 ifneq ($(wildcard $(BUILDDIR)/.update-types)$(wildcard $(BUILDDIR)/dependencies)$(wildcard $(BUILDDIR)/destinations),)
 407 # Reload this make·file if the dependency graph or output destinations have changed.
 408 #
 409 # 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.
 410 #
 411 # This recipe only exists after types have been updated or when the dependency graph or destinations file already exists.
 412 $(THISDIR)/GNUmakefile :: $(BUILDDIR)/dependencies $(BUILDDIR)/destinations
 413         $(silent)$(TOUCH) $(THISDIR)/GNUmakefile
 414         $(silent)$(RM) -f $(BUILDDIR)/.update-types
 415         @$(PRINTF) '%b\n' '\0033[1mDependency graph and output destinations updated. Restarting…\0033[22m'
 416 endif
 417
 418 ifeq ($(wildcard $(BUILDDIR)/.update-types),)
 419 # Reload this make·file if any of the magic files or parsers have changed.
 420 #
 421 # These are used to classify source files, so if they have changed then the make·file must be reloaded.
 422 #
 423 # This recipe sleeps for one second to ensure that files built after the restart have a more current time·stamp.
 424 $(THISDIR)/GNUmakefile :: $(BUILDDIR)/magic.mgc $(BUILDDIR)/parser.xslt
 425         $(silent)$(TOUCH) $(THISDIR)/GNUmakefile
 426         $(silent)$(RM) -f $(call quote,$(BUILDDIR)/dependencies) $(call quote,$(BUILDDIR)/destinations)
 427         @$(PRINTF) '%b\n' '\0033[1mMagic file or parsers have updated. Restarting…\0033[22m'
 428         $(silent)$(SLEEP) 1
 429         $(silent)$(TOUCH) $(call quote,$(BUILDDIR)/.update-types)
 430 endif
 431
 432 # ─ ¶ Build Targets ───────────────────────────────────────────────────
 433
 434 # Create symbolic links from the build directory’s store of magic files
 435 # to their corresponding sources.
 436 $(call magicfile,$(MAGIC)) : $(BUILDDIR)/magic/%: $$(call magicsource,$$@)
 437         $(silent)$(call ensuredirectory,$(dir $@))
 438         $(silent)$(LN) -sf $(call quote,$(realpath $<)) $(call quote,$@)
 439
 440 # Generate the compiled magic file from its sources.
 441 #
 442 # It must be updated if any of the files in the magic directory change.
 443 # It ⁜also⁜ should be updated if any of the files in the magic directory are deleted, but this isn’t tracked presently.
 444 $(BUILDDIR)/magic.mgc : $(call magicfile,$(MAGIC))
 445         $(foreach outdated,$(filter-out $^,$(wildcard $(BUILDDIR)/magic/*)),$(silent)$(RM) $(call quote,$(outdated))$(newline))
 446         @$(ECHO) "Compiling new magic…"
 447         $(silent)$(call ensuredirectory,$(dir $@))
 448         $(silent)cd $(call quote,$(BUILDDIR)) && $(FILE) -C -m $(call quote,$(realpath $(BUILDDIR)/magic))
 449
 450 # Generate the main parser.
 451 $(BUILDDIR)/parser.catalog : $(PARSERS)
 452         @$(ECHO) "Generating catalog of parsers…"
 453         $(silent)$(XMLCATALOG) --create --noout $(call quote,$@)
 454         $(foreach parser,$(PARSERS),$(silent)$(XMLCATALOG) --add uri $(call quote,$(call id,$(parser),parser)) $(call quote,file:///$(call pathenc,$(abspath $(parser)))) --noout $(call quote,$@)$(newline))
 455 $(BUILDDIR)/parser.xslt: $(BUILDDIR)/parser.catalog $(THISDIR)/lib/catalog2parser.xslt
 456         @$(ECHO) "Generating main parser…"
 457         $(silent)$(XSLTPROC) -o $(call quote,$@) $(call quote,$(THISDIR)/lib/catalog2parser.xslt) $(call quote,$<)
 458
 459 # Parse the files.
 460 #
 461 # 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.
 462 # Asset files are turned into H·T·M·L embeds pointing to `data:´ U·R·I’s.
 463 $(call parsed,$(sourcefiles) $(sourceincludes)) : % : $$(call unparsed,$$@) $(typeupdates)
 464         @$(PRINTF) '%s\n' $(call quote,Processing `$<´…)
 465         $(silent)$(call ensuredirectory,$(dir $@))
 466         $(silent)$(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) -)
 467
 468 # Generate a catalog of all parsed files, for use when processing includes.
 469 #
 470 # This does not depend on actually transforming the files.
 471 $(BUILDDIR)/catalog : $(sourcefiles) $(sourceincludes) $(typeupdates)
 472         @$(ECHO) "Generating catalog of parsed files…"
 473         $(silent)$(XMLCATALOG) --create --noout $(call quote,$@)
 474         $(foreach source,$(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))
 475
 476 # Build a list of dependencies for each parsed file.
 477 $(BUILDDIR)/dependencies : $(BUILDDIR)/catalog $(call parsed,$(plaintextfiles) $(xmlfiles)) $(THISDIR)/lib/catalog2dependencies.xslt
 478         @$(ECHO) "Identifying dependencies…"
 479         $(silent)$(XSLTPROC) -o $(call quote,$@) $(call quote,$(THISDIR)/lib/catalog2dependencies.xslt) $(call quote,$<)
 480
 481 # Generate a catalog of destinations for files.
 482 #
 483 # This depends on parsing non·asset source files, but not assets or includes.
 484 # It does not require knowing the dependencies.
 485 $(BUILDDIR)/destinations : $(BUILDDIR)/catalog $(call parsed,$(filter-out $(assetfiles),$(sourcefiles))) $(THISDIR)/lib/catalog2destinations.xslt
 486         @$(ECHO) "Identifying output destinations…"
 487         $(silent)$(XSLTPROC) -o $(call quote,$@) $(call quote,$(THISDIR)/lib/catalog2destinations.xslt) $(call quote,$<)
 488
 489 # Generate the main transform.
 490 $(BUILDDIR)/transform.catalog : $(TRANSFORMS)
 491         @$(ECHO) "Generating catalog of transforms…"
 492         $(silent)$(XMLCATALOG) --create --noout $(call quote,$@)
 493         $(foreach transform,$(TRANSFORMS),$(silent)$(XMLCATALOG) --add uri $(call quote,$(call id,$(transform),transform)) $(call quote,file:///$(call pathenc,$(abspath $(transform)))) --noout $(call quote,$@)$(newline))
 494 $(BUILDDIR)/transform.xslt : $(BUILDDIR)/transform.catalog $(THISDIR)/lib/catalog2transform.xslt
 495         @$(ECHO) "Generating main transform…"
 496         $(silent)$(XSLTPROC) -o $(call quote,$@) $(call quote,$(THISDIR)/lib/catalog2transform.xslt) $(call quote,$<)
 497
 498 # Generate the output files using the dependencies as necessary.
 499 $(call compiled,$(compilablefiles)) : $(BUILDDIR)/public/% : $$(call parsed,$$(call uncompiled,$$@)) $(BUILDDIR)/transform.xslt $$(call parsed,$$(call dependencies,$$(call uncompiled,$$@)))
 500         $(silent)$(call ensuredirectory,$(dir $@))
 501         @$(PRINTF) '%s\n' $(call quote,Compiling </$*>…)
 502         $(silent)$(XSLTPROC) -o $(call quote,$@) --stringparam CATALOG 'catalog' --stringparam BUILDTIME '$(shell TZ= $(DATE) '+%Y-%m-%dT%H:%M:%SZ')' --stringparam SRCTIME '$(shell TZ= $(STAT) -f '%Sm' -t '%Y-%m-%dT%H:%M:%SZ' $(call quote,$(call uncompiled,$@)))' --stringparam PATH $(call quote,/$*)$(if $(GENERATOR), --stringparam GENERATOR $(call quote,$(GENERATOR)))$(if $(VERSION), --stringparam VERSION $(call quote,$(VERSION)),)$(if $(SRCREV), --stringparam SRCREV $(call quote,$(SRCREV)),) $(call quote,$(BUILDDIR)/transform.xslt) $(call quote,$<)
 503 $(call compiled,$(filter $(assetfiles),$(sourcefiles))) : $(BUILDDIR)/public/% : $$(call uncompiled,$$@)
 504         @$(PRINTF) '%s\n' $(call quote,Compiling </$*>…)
 505         $(silent)$(call ensuredirectory,$(dir $@))
 506         $(silent)$(CP) $(call quote,$<) $(call quote,$@)
 507
 508 # Install compiled files (or error in the case of recursive ones).
 509 $(call installed,$(filter $(assetfiles),$(sourcefiles)) $(recursivefiles) $(compilablefiles)) : $(DESTDIR)/% : $(BUILDDIR)/public/%
 510         @$(PRINTF) '%s\n' $(call quote,Installing </$*>…)
 511         $(silent)$(call ensuredirectory,$(dir $@))
 512         $(silent)$(CP) $(call quote,$<) $(call quote,$@)