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 #
 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 # (callable) Get the identifier for the given parser or transform.
 269 #
 270 # ☡ This variable creates a subshell every time it is computed.
 271 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))))
 272
 273 # Pair each source magic file with its location in the build directory.
 274 override magicpair := $(foreach magicfile,$(MAGIC),$(magicfile)|$(BUILDDIR)/magic/$(notdir $(magicfile)))
 275
 276 # (callable) Get the source file for the given magic files.
 277 override magicsource = $(foreach magicpath,$1,$(patsubst %|$(magicpath),%,$(firstword $(filter %|$(magicpath),$(magicpair)))))
 278
 279 # (callable) Get the build file for the given magic files.
 280 override magicfile = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(magicpair))))
 281
 282 # (callable) Get the local path for the given source file.
 283 override sourcepath = $(firstword $(foreach directory,$(SRCDIR),$(if $(filter $(directory)/%,$1),$(patsubst $(directory)/%,%,$1),)))
 284
 285 # (callable) Get the local path for the given include.
 286 override includepath = $(firstword $(foreach directory,$(INCLUDEDIR),$(if $(filter $(directory)/%,$1),$(patsubst $(directory)/%,%,$1),)))
 287
 288 # (callable) Get base64 data u·r·i’s for the given files.
 289 #
 290 # ☡ This variable creates a subshell every time it is computed.
 291 override datauri = $(foreach file,$1,data:$(call typeoffile,$(file));base64,$(shell $(UUENCODE) -m -r $(call quote,$(file)) _ | tr -d ' \n'))
 292
 293 # Pair each source file and include with its local u·r·i.
 294 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)))))
 295
 296 # (callable) Get local uris for the given files.
 297 override localuri = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(sourcelocalpair))))
 298
 299 # (callable) Get the source files for the given local uris.
 300 override sourcefile = $(foreach local,$1,$(patsubst %|$(local),%,$(filter %|$(local),$(sourcelocalpair))))
 301
 302 # Adds a requirement on `$(BUILDDIR)/.update-types´ if the file is present.
 303 #
 304 # This file is created after a reload due to type changes, and is removed after.
 305 # Requiring it ensures that file classifications are up·to·date immediately after the reload.
 306 override typeupdates := $(wildcard $(BUILDDIR)/.update-types)
 307
 308 # Pair each source file and include with its parsed location.
 309 override sourceparsedpair := $(foreach file,$(sourcefiles) $(sourceincludes),$(file)|$(BUILDDIR)/$(if $(filter $(file),$(sourceincludes)),includes/$(call includepath,$(file)),sources/$(call sourcepath,$(file))))
 310
 311 # (callable) Get the location of the transformed X·M·L files for the given source files.
 312 override parsed = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(sourceparsedpair))))
 313
 314 # (callable) Get the source files for the given parsed file.
 315 override unparsed = $(foreach file,$1,$(patsubst %|$(file),%,$(filter %|$(file),$(sourceparsedpair))))
 316
 317 # Pair each parser, transform, or parsed file with its file u·r·i.
 318 override fileuripairs := $(join $(patsubst %,%|,$(PARSERS) $(TRANSFORMS) $(call parsed,$(sourcefiles) $(sourceincludes))),$(call pathenc,$(foreach uriable,$(PARSERS) $(TRANSFORMS) $(call parsed,$(sourcefiles) $(sourceincludes)),file://$(abspath $(uriable)))))
 319
 320 # (callable) Get the file u·r·is for the given parsers, transforms, or parsed files.
 321 override fileuri = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(fileuripairs))))
 322
 323 ifneq ($(wildcard $(BUILDDIR)/dependencies),)
 324 # Pair each file with a list of dependencies for it.
 325 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/^ //))))
 326
 327 # (callable) Get the list of dependency leiris for the given source files.
 328 #
 329 # Recursive dependencies are marked with a leading `-´.
 330 override dependencyuris = $(foreach file,$1,$(subst |, ,$(patsubst $(file)|%,%,$(filter $(file)|%,$(dependenciesforfile)))))
 331
 332 # (callable) Get the list of recursive dependencies for the given source files.
 333 override recursives = $(foreach uri,$(filter -%,$(call dependencyuris,$1)),$(call sourcefile,$(patsubst -%,%,$(uri))))
 334
 335 # (callable) Get the list of (nonrecursive) dependencies for the given source files.
 336 override dependencies = $(foreach uri,$(filter-out -%,$(call dependencyuris,$1)),$(call sourcefile,$(uri)))
 337 endif
 338
 339 # Collect all files with recursive dependencies.
 340 override recursivefiles := $(foreach file,$(filter-out $(assetfiles),$(sourcefiles)),$(if $(call recursives,$(file)),$(file),))
 341
 342 # Collect all files which should be compiled.
 343 #
 344 # This is all of the non·asset, nonrecursive files.
 345 override compilablefiles := $(filter-out $(assetfiles) $(recursivefiles),$(sourcefiles))
 346
 347 # Collect all files which can be installed.
 348 #
 349 # This is all of the comilable files and all asset sources.
 350 override installablefiles := $(compilablefiles) $(filter $(assetfiles),$(sourcefiles))
 351
 352 ifneq ($(wildcard $(BUILDDIR)/destinations),)
 353 # Get the output of the destination transform.
 354 override destinations := $(shell $(CAT) $(BUILDDIR)/destinations)
 355
 356 # Pair source files and their destinations.
 357 override sourcedestinationpair := $(foreach destination,$(destinations),$(call sourcefile,$(firstword $(subst |, ,$(destination))))|$(call perdec,$(subst $(space),|,$(wordlist 2,$(words $(subst |, ,$(destination))),$(subst |, ,$(destination))))))
 358
 359 # (callable) Get the destination for the given source files.
 360 override destination = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(sourcedestinationpair))))
 361
 362 # Pair each source file with its compiled location.
 363 override sourcecompiledpair := $(foreach file,$(sourcefiles),$(file)|$(BUILDDIR)/public/$(call destination,$(file)))
 364
 365 # (callable) Get the location of the transformed X·M·L files for the given source files.
 366 override compiled = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(sourcecompiledpair))))
 367
 368 # (callable) Get the source files for the given compiled file.
 369 override uncompiled = $(foreach file,$1,$(patsubst %|$(file),%,$(filter %|$(file),$(sourcecompiledpair))))
 370
 371 # (callable) Get the installed locations for the given source files.
 372 override installed = $(foreach file,$1,$(DESTDIR)/$(call destination,$(file)))
 373 endif
 374
 375 # ─ ¶ Recipe Variable Definitions ─────────────────────────────────────
 376
 377 # (callable) Check to see if the given directory exists and create it if not.
 378 override ensuredirectory = if $(TEST) ! -d $(call quote,$1); then $(MKDIR) -p $(call quote,$1); fi
 379
 380 # (callable) Sanitize and wrap the provided plaintext file in X·M·L, printing to `stdout´.
 381 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>')"
 382
 383 # ─ ¶ Phony Targets ───────────────────────────────────────────────────
 384
 385 # Compile all files, or error if any are recursive.
 386 all : $(call compiled,$(recursivefiles) $(compilablefiles)) ;
 387
 388 # Destroy buildfiles.
 389 clean :
 390         $(if $(BUILDDIR),$(silent)$(RM) -rf $(call quote,$(BUILDDIR)/),)
 391
 392 # Destroy build directory and installed files.
 393 gone : clean uninstall ;
 394
 395 # Provide help.
 396 help :
 397         @$(PRINTF) '%b' '$(subst $(newline),\n,$(makefileinfo))'
 398
 399 # Install the compiled files into `DESTDIR´, or error if any are recursive.
 400 install : $(call installed,$(recursivefiles) $(installablefiles)) ;
 401
 402 # List all source files and includes and their computed types.
 403 list :
 404         @$(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 '
 405
 406 # Destroy installed files.
 407 uninstall :
 408         $(foreach file,$(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),))
 409
 410 # Raise an error when attempting to build any files with recursive dependencies.
 411 $(call compiled,$(recursivefiles)) :
 412         @$(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
 413
 414 # ─ ¶ Special Targets ─────────────────────────────────────────────────
 415
 416 # Perform secondary expansion; this enables pattern rules to determine their prerequisites based on the matched pattern.
 417 .SECONDEXPANSION : ;
 418
 419 # Don’t use any implicit rules.
 420 .SUFFIXES : ;
 421
 422 # Phony rules; always consider these out·of·date.
 423 .PHONY : all default clean gone info install list uninstall $(call compiled,$(recursivefiles)) ;
 424
 425 ifneq ($(wildcard $(BUILDDIR)/.update-types)$(wildcard $(BUILDDIR)/dependencies)$(wildcard $(BUILDDIR)/destinations),)
 426 # Reload this make·file if the dependency graph or output destinations have changed.
 427 #
 428 # 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.
 429 #
 430 # This recipe only exists after types have been updated or when the dependency graph or destinations file already exists.
 431 $(THISDIR)/GNUmakefile :: $(BUILDDIR)/dependencies $(BUILDDIR)/destinations
 432         $(silent)$(TOUCH) $(THISDIR)/GNUmakefile
 433         $(silent)$(RM) -f $(BUILDDIR)/.update-types
 434         @$(PRINTF) '%b\n' '\0033[1mDependency graph and output destinations updated. Restarting…\0033[22m'
 435 endif
 436
 437 ifeq ($(wildcard $(BUILDDIR)/.update-types),)
 438 # Reload this make·file if any of the magic files or parsers have changed.
 439 #
 440 # These are used to classify source files, so if they have changed then the make·file must be reloaded.
 441 #
 442 # This recipe sleeps for one second to ensure that files built after the restart have a more current time·stamp.
 443 $(THISDIR)/GNUmakefile :: $(BUILDDIR)/magic.mgc $(BUILDDIR)/parser.xslt
 444         $(silent)$(TOUCH) $(THISDIR)/GNUmakefile
 445         $(silent)$(RM) -f $(call quote,$(BUILDDIR)/dependencies) $(call quote,$(BUILDDIR)/destinations)
 446         @$(PRINTF) '%b\n' '\0033[1mMagic file or parsers have updated. Restarting…\0033[22m'
 447         $(silent)$(SLEEP) 1
 448         $(silent)$(TOUCH) $(call quote,$(BUILDDIR)/.update-types)
 449 endif
 450
 451 # ─ ¶ Build Targets ───────────────────────────────────────────────────
 452
 453 # Create symbolic links from the build directory’s store of magic files
 454 # to their corresponding sources.
 455 $(call magicfile,$(MAGIC)) : $(BUILDDIR)/magic/%: $$(call magicsource,$$@)
 456         $(silent)$(call ensuredirectory,$(dir $@))
 457         $(silent)$(LN) -sf $(call quote,$(realpath $<)) $(call quote,$@)
 458
 459 # Generate the compiled magic file from its sources.
 460 #
 461 # It must be updated if any of the files in the magic directory change.
 462 # It ⁜also⁜ should be updated if any of the files in the magic directory are deleted, but this isn’t tracked presently.
 463 $(BUILDDIR)/magic.mgc : $(call magicfile,$(MAGIC))
 464         $(foreach outdated,$(filter-out $^,$(wildcard $(BUILDDIR)/magic/*)),$(silent)$(RM) $(call quote,$(outdated))$(newline))
 465         @$(ECHO) "Compiling new magic…"
 466         $(silent)$(call ensuredirectory,$(dir $@))
 467         $(silent)cd $(call quote,$(BUILDDIR)) && $(FILE) -C -m $(call quote,$(realpath $(BUILDDIR)/magic))
 468
 469 # Generate the main parser.
 470 $(BUILDDIR)/parser.catalog : $(PARSERS)
 471         @$(ECHO) "Generating catalog of parsers…"
 472         $(silent)$(XMLCATALOG) --create --noout $(call quote,$@)
 473         $(foreach parser,$(PARSERS),$(silent)$(XMLCATALOG) --add uri $(call quote,$(call id,$(parser),parser)) $(call quote,$(call fileuri,$(parser))) --noout $(call quote,$@)$(newline))
 474 $(BUILDDIR)/parser.xslt: $(BUILDDIR)/parser.catalog $(THISDIR)/lib/catalog2parser.xslt
 475         @$(ECHO) "Generating main parser…"
 476         $(silent)$(XSLTPROC) -o $(call quote,$@) $(call quote,$(THISDIR)/lib/catalog2parser.xslt) $(call quote,$<)
 477
 478 # Parse the files.
 479 #
 480 # 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.
 481 # Asset files are turned into H·T·M·L embeds pointing to `data:´ U·R·I’s.
 482 $(call parsed,$(sourcefiles) $(sourceincludes)) : % : $$(call unparsed,$$@) $(typeupdates)
 483         @$(PRINTF) '%s\n' $(call quote,Processing `$<´…)
 484         $(silent)$(call ensuredirectory,$(dir $@))
 485         $(silent)$(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) -)
 486
 487 # Generate a catalog of all parsed files, for use when processing includes.
 488 #
 489 # This does not depend on actually transforming the files.
 490 $(BUILDDIR)/catalog : $(sourcefiles) $(sourceincludes) $(typeupdates)
 491         @$(ECHO) "Generating catalog of parsed files…"
 492         $(silent)$(XMLCATALOG) --create --noout $(call quote,$@)
 493         $(foreach source,$(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))
 494
 495 # Build a list of dependencies for each parsed file.
 496 $(BUILDDIR)/dependencies : $(BUILDDIR)/catalog $(call parsed,$(plaintextfiles) $(xmlfiles)) $(THISDIR)/lib/catalog2dependencies.xslt
 497         @$(ECHO) "Identifying dependencies…"
 498         $(silent)$(XSLTPROC) -o $(call quote,$@) $(call quote,$(THISDIR)/lib/catalog2dependencies.xslt) $(call quote,$<)
 499
 500 # Generate a catalog of destinations for files.
 501 #
 502 # This depends on parsing non·asset source files, but not assets or includes.
 503 # It does not require knowing the dependencies.
 504 $(BUILDDIR)/destinations : $(BUILDDIR)/catalog $(call parsed,$(filter-out $(assetfiles),$(sourcefiles))) $(THISDIR)/lib/catalog2destinations.xslt
 505         @$(ECHO) "Identifying output destinations…"
 506         $(silent)$(XSLTPROC) -o $(call quote,$@) $(call quote,$(THISDIR)/lib/catalog2destinations.xslt) $(call quote,$<)
 507
 508 # Generate the main transform.
 509 $(BUILDDIR)/transform.catalog : $(TRANSFORMS)
 510         @$(ECHO) "Generating catalog of transforms…"
 511         $(silent)$(XMLCATALOG) --create --noout $(call quote,$@)
 512         $(foreach transform,$(TRANSFORMS),$(silent)$(XMLCATALOG) --add uri $(call quote,$(call id,$(transform),transform)) $(call quote,$(call fileuri,$(transform))) --noout $(call quote,$@)$(newline))
 513 $(BUILDDIR)/transform.xslt : $(BUILDDIR)/transform.catalog $(THISDIR)/lib/catalog2transform.xslt
 514         @$(ECHO) "Generating main transform…"
 515         $(silent)$(XSLTPROC) -o $(call quote,$@) $(call quote,$(THISDIR)/lib/catalog2transform.xslt) $(call quote,$<)
 516
 517 # Generate the output files using the dependencies as necessary.
 518 $(call compiled,$(compilablefiles)) : $(BUILDDIR)/public/% : $$(call parsed,$$(call uncompiled,$$@)) $(BUILDDIR)/transform.xslt $$(call parsed,$$(call dependencies,$$(call uncompiled,$$@)))
 519         $(silent)$(call ensuredirectory,$(dir $@))
 520         @$(PRINTF) '%s\n' $(call quote,Compiling </$*>…)
 521         $(silent)$(XSLTPROC) -o $(call quote,$@) --stringparam CATALOG 'catalog' --stringparam BUILDTIME '$(shell TZ= $(DATE) '+%Y-%m-%dT%H:%M:%SZ')' --stringparam SRCTIME '$(shell TZ= $(STAT) -f '%Sm' -t '%Y-%m-%dT%H:%M:%SZ' $(call quote,$(call uncompiled,$@)))' --stringparam PATH $(call quote,/$*)$(if $(GENERATOR), --stringparam GENERATOR $(call quote,$(GENERATOR)))$(if $(VERSION), --stringparam VERSION $(call quote,$(VERSION)),)$(if $(SRCREV), --stringparam SRCREV $(call quote,$(SRCREV)),) $(call quote,$(BUILDDIR)/transform.xslt) $(call quote,$<)
 522 $(call compiled,$(filter $(assetfiles),$(sourcefiles))) : $(BUILDDIR)/public/% : $$(call uncompiled,$$@)
 523         @$(PRINTF) '%s\n' $(call quote,Compiling </$*>…)
 524         $(silent)$(call ensuredirectory,$(dir $@))
 525         $(silent)$(CP) $(call quote,$<) $(call quote,$@)
 526
 527 # Install compiled files (or error in the case of recursive ones).
 528 $(call installed,$(filter $(assetfiles),$(sourcefiles)) $(recursivefiles) $(compilablefiles)) : $(DESTDIR)/% : $(BUILDDIR)/public/%
 529         @$(PRINTF) '%s\n' $(call quote,Installing </$*>…)
 530         $(silent)$(call ensuredirectory,$(dir $@))
 531         $(silent)$(CP) $(call quote,$<) $(call quote,$@)