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 used, altho there is a chance of     │║
  14 ║│ version incompatibilities. The full list of program        │║
  15 ║│ requirements is as follows :—                             │║
  16 ║│                                                            │║
  17 ║│ • cat                                                      │║
  18 ║│ • cp                                                       │║
  19 ║│ • date                                                     │║
  20 ║│ • echo                                                     │║
  21 ║│ • file                                                     │║
  22 ║│ • find                                                     │║
  23 ║│ • mkdir (requires support for `-p´)                        │║
  24 ║│ • mv                                                       │║
  25 ║│ • printf                                                   │║
  26 ║│ • rm                                                       │║
  27 ║│ • sed                                                      │║
  28 ║│ • sleep                                                    │║
  29 ║│ • stat                                                     │║
  30 ║│ • test                                                     │║
  31 ║│ • touch                                                    │║
  32 ║│ • tr (requires support for `-d´)                           │║
  33 ║│ • uuencode (requires support for `-m´ and `-r´)            │║
  34 ║│ • xmlcatalog (provided by libxml2)                         │║
  35 ║│ • xmllint (provided by libxml2)                            │║
  36 ║│ • xsltproc (provided by libxslt)                           │║
  37 ║│                                                            │║
  38 ║│ In all cases, you can supply your own version of any       │║
  39 ║│ program `program´ by overriding the corresponding variable │║
  40 ║│ `PROGRAM´ when calling Make.                               │║
  41 ║╰────────────────────────────────────────────────────────────╯║
  42 ╟┬ ¶ Usage ───────────────────────────────────────────────────┬╢
  43 ║│                                                            │║
  44 ║│ • `make all´: Compile, but do not install, all files.      │║
  45 ║│                                                            │║
  46 ║│ • `make clean´: Remove `BUILDDIR´.                         │║
  47 ║│                                                            │║
  48 ║│ • `make gone´: Remove installed files.                     │║
  49 ║│                                                            │║
  50 ║│ • `make help´ (default): Print this message.               │║
  51 ║│                                                            │║
  52 ║│ • `make install´: Compile all files and install in         │║
  53 ║│   `DESTDIR´.                                               │║
  54 ║│                                                            │║
  55 ║│ • `make list´: List all recognized source files and their  │║
  56 ║│   classification (including media type and dependencies).  │║
  57 ║│                                                            │║
  58 ║│ Set `VERBOSE=1´ to see the text of commands as they are    │║
  59 ║│ executed.                                                  │║
  60 ║│                                                            │║
  61 ║│ See `README.markdown´ for a more involved description of   │║
  62 ║│ the capabilities and configuration of this program.        │║
  63 ║╰────────────────────────────────────────────────────────────╯║
  64 ╟┬ ¶ Copyright & License ─────────────────────────────────────┬╢
  65 ║│                                                            │║
  66 ║│ Copyright © 2023–2024 Lady [@ Lady’s Computer].            │║
  67 ║│                                                            │║
  68 ║│ This Source Code Form is subject to the terms of the       │║
  69 ║│ Mozilla Public License, v 2.0. If a copy of the M·P·L was  │║
  70 ║│ not distributed with this file, You can obtain one at      │║
  71 ║│ <http://mozilla.org/MPL/2.0/>.                             │║
  72 ║╰────────────────────────────────────────────────────────────╯║
  73 ╚══════════════════════════════════════════════════════════════╝
  74 endef
  75
  76 # ━ § MAKE·FILE SETUP ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  77
  78 # Programs needed to run this make·file.
  79 #
  80 # If these are not installed on your computer, or you need to use a
  81 # different implementation, you can override the appropriate variable.
  82 CAT := cat
  83 CP := cp
  84 DATE := date
  85 ECHO := echo
  86 FILE := file
  87 FIND := find
  88 MKDIR := mkdir
  89 MV := mv
  90 PRINTF := printf
  91 RM := rm
  92 SED := sed
  93 SLEEP := sleep
  94 STAT := stat
  95 TEST := test
  96 TOUCH := touch
  97 TR := tr
  98 UUENCODE := uuencode
  99 XMLCATALOG := xmlcatalog
 100 XMLLINT := xmllint
 101 XSLTPROC := xsltproc
 102
 103 # The directory which contains the source files.
 104 SRCDIR := sources
 105
 106 # The directory which contains “includes”: Files which may be included
 107 # in other files but for which no final output will be generated.
 108 #
 109 # This can be inside of `SOURCES_DIRECTORY´ if desired.
 110 INCLUDEDIR := sources/includes
 111
 112 # The directory in which to generate temporary buildfiles.
 113 BUILDDIR := build
 114
 115 # The directory into which to output files on `make install´.
 116 DESTDIR := public
 117
 118 # The location of this Makefile (and related ⛩️📰 书社 files),
 119 # relative to the current working directory.
 120 #
 121 # By default, this is inferred from the variable `MAKEFILE_LIST´.
 122 THISDIR := $(patsubst %/,%,$(dir $(lastword $(MAKEFILE_LIST))))
 123
 124 # The location of the magic files to use when determining media types.
 125 #
 126 # One is provided as part of this repository, but you can override it
 127 # if you need different media type detection.
 128 #
 129 # Your computer probably has a more comprehensive one installed at
 130 # `/usr/share/file/magic´, but it is not recommended that you use this
 131 # directly. Instead, link or copy just the files you expect to need for
 132 # your project.
 133 MAGICDIR := $(patsubst ./%,%,$(THISDIR)/magic)
 134
 135 # Configuration of `find´.
 136 #
 137 # By default, `find´ will not follow symlinks and will use extended
 138 # regular expressions, ignoring hidden files and those which begin with
 139 # a period.
 140 FINDOPTS := -PE
 141 FINDRULES := -flags -nohidden -and -not -name '.*'
 142
 143 # The list of parsers for plaintext file types.
 144 #
 145 # Which parsers are provided will influence which kinds of files are
 146 # recognized as plaintext.
 147 #
 148 # Each parser ⁜must⁜ have a template which matches ⁜only⁜ X·H·T·M·L
 149 # `<script>´ elements that have a `@type´ of a plaintext type supported
 150 # by the parser. They may have multiple.
 151 PARSERS := $(patsubst ./%,%,$(wildcard $(THISDIR)/parsers/*.xslt))
 152
 153 # The list of transforms.
 154 TRANSFORMS := $(patsubst ./%,%,$(wildcard $(THISDIR)/transforms/*.xslt))
 155
 156 # List of types which should be treated as X·M·L.
 157 XMLTYPES := application/xml text/xml
 158
 159 # Set to a non·empty value to print all commands as they run.
 160 VERBOSE :=
 161
 162 # The default target for this makefile.
 163 #
 164 # Print help and exit.
 165 .DEFAULT_GOAL := help
 166
 167 # ━ § BEGIN MAKE·FILE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 168
 169 # ─ ¶ Non‐Recipe Variable Definitions ─────────────────────────────────
 170
 171 # A variable with no value, usable when assigning values which contain
 172 # whitespace.
 173 override empty :=
 174
 175 # A variable which contains a newline, to allow the generation of
 176 # multiline strings in function calls.
 177 override define newline
 178
 179
 180 endef
 181
 182 # A variable which contains a single space.
 183 override space := $(empty) $(empty)
 184
 185 # A variable which contains a single comma.
 186 override comma := ,
 187
 188 # (callable) Quote the given string for use within shell calls.
 189 override quote = '$(subst ','"'"',$1)'
 190
 191 # Outputs an `@´ to silence rules, unless `VERBOSE´ is nonempty.
 192 override silent := $(if $(VERBOSE),,@)
 193
 194 # (callable) Escape special characters for use in sed regular
 195 # expressions.
 196 override sedesc = $(subst /,[/],$(subst $$,\$$,$(subst *,\*,$(subst .,\.,$(subst [,\[,$(subst ^,\^,$(subst \,\\,$1)))))))
 197
 198 # Collect all of the applicable includes from the includes directory.
 199 sourceincludes := $(shell $(FIND) $(FINDOPTS) $(INCLUDEDIR) -type f '(' $(FINDRULES) ')')
 200
 201 # Collect all of the applicable source files from the source directory,
 202 # removing any which are also includes.
 203 sourcefiles := $(filter-out $(sourceincludes),$(shell $(FIND) $(FINDOPTS) $(SRCDIR) -type f '(' $(FINDRULES) ')'))
 204
 205 # Figure out the file type of each source file and source include.
 206 ifneq ($(wildcard $(BUILDDIR)/magic.mgc),)
 207 override types := $(shell $(SED) 's/^ *//;s/ *$$//;s/ {2,}/ /g' <<< $(call quote,$(sourcefiles) $(sourceincludes)) | $(TR) ' ' '\n' | $(FILE) -m $(call quote,$(BUILDDIR)/magic.mgc) --mime-type --separator '`' --files-from - | $(SED) 's/` */?type=/g')
 208 endif
 209
 210 # Get the list of supported plaintext file types from the parser.
 211 ifneq ($(wildcard $(BUILDDIR)/parser.xslt),)
 212 override plaintexttypes := $(shell $(XSLTPROC) $(call quote,$(THISDIR)/lib/parser2types.xslt) $(call quote,$(BUILDDIR)/parser.xslt))
 213 endif
 214
 215 # Simplify the file type by only taking the first component (image,
 216 # text, ⁊·c).
 217 override simpletypes := $(shell $(TR) ' ' '\n' <<< $(call quote,$(types)) | $(SED) 's`/[^/]*$$``g')
 218
 219 # (callable) Get all of the files (source and includes) which have the
 220 # given types.
 221 override filesoftype = $(foreach type,$1,$(patsubst %?type=$(type),%,$(filter %?type=$(type),$(types))))
 222
 223 # Build up collections of various file types.
 224 override plaintextfiles := $(call filesoftype,$(plaintexttypes))
 225 override xmlfiles := $(filter-out $(plaintextfiles),$(call filesoftype,$(XMLTYPES)))
 226 override assetfiles := $(filter-out $(xmlfiles) $(plaintextfiles),$(sourcefiles) $(sourceincludes))
 227
 228 # (callable) Get the types of the given files.
 229 override typeoffile = $(patsubst $(foreach file,$1,$(file)?type=%),%,$(filter $(foreach file,$1,$(file)?type=%),$(types)))
 230
 231 # (callable) Get the identifier for the given transform.
 232 override id = $(or $(shell $(XMLLINT) --xpath '/*/*[local-name()="id" and namespace-uri()="urn:fdc:ladys.computer:20231231:Shu1She4"]/text()[1]' $1),$(basename $(notdir $1)) | $(SED))
 233
 234 # (callable) Get base64 data u·r·i’s for the given files.
 235 override datauri = $(foreach file,$1,data:$(call typeoffile,$(file));base64,$(shell $(UUENCODE) -m -r $(call quote,$(file)) _ | tr -d ' \n'))
 236
 237 # (callable) Get local leiris for the given files.
 238 override localuri = $(foreach file,$1,$(if $(filter $(file),$(sourceincludes)),$(patsubst $(INCLUDEDIR)/%,about:shushe?include=%,$(file)),$(patsubst $(SRCDIR)/%,about:shushe?source=%,$(file))))
 239
 240 # (callable) Get the source files for the given local leiris.
 241 override sourcefile = $(foreach file,$1,$(if $(filter about:shushe?include=%,$(file)),$(patsubst about:shushe?include=%,$(INCLUDEDIR)/%,$(file)),$(patsubst about:shushe?source=%,$(SRCDIR)/%,$(file))))
 242
 243 # Adds a requirement on `$(BUILDDIR)/.update-types´ if the file is
 244 # present.
 245 #
 246 # This file is created after a reload due to type changes, and is
 247 # removed after. Requiring it ensures that file classifications are
 248 # up‐to‐date immediately after the reload.
 249 override typeupdates := $(wildcard $(BUILDDIR)/.update-types)
 250
 251 # (callable) Get the location of the transformed X·M·L files for the
 252 # given source files.
 253 override parsed = $(foreach file,$1,$(if $(filter $(file),$(sourceincludes)),$(patsubst $(INCLUDEDIR)/%,$(BUILDDIR)/includes/%,$(file)),$(patsubst $(SRCDIR)/%,$(BUILDDIR)/sources/%,$(file))))
 254
 255 ifneq ($(wildcard $(BUILDDIR)/dependencies),)
 256 # Pair each file with a list of dependencies for it.
 257 override dependenciesforfile := $(foreach file,$(sourcefiles),$(file)`$(subst $(space),`,$(shell $(CAT) $(call quote,$(BUILDDIR)/dependencies) | $(SED) $(call quote,/^$(call sedesc,$(call localuri,$(file)))$$/$(comma)/^[^   ]/!d;/^ /!d;s/^ //))))
 258
 259 # (callable) Get the list of dependency leiris for the given source
 260 # files.
 261 #
 262 # Recursive dependencies are marked with a leading `!´.
 263 override dependencyuris = $(foreach file,$1,$(subst `, ,$(patsubst $(file)`%,%,$(filter $(file)`%,$(dependenciesforfile)))))
 264
 265 # (callable) Get the list of recursive dependencies for the given
 266 # source files.
 267 override recursives = $(foreach uri,$(filter !%,$(call dependencyuris,$1)),$(call sourcefile,$(patsubst !%,%,$(uri))))
 268
 269 # (callable) Get the list of (nonrecursive) dependencies for the given
 270 # source files.
 271 override dependencies = $(foreach uri,$(filter-out !%,$(call dependencyuris,$1)),$(call sourcefile,$(uri)))
 272 endif
 273
 274 # Collect all files with recursive dependencies.
 275 override recursivefiles := $(foreach file,$(filter-out $(assetfiles),$(sourcefiles)),$(if $(call recursives,$(file)),$(file),))
 276
 277 # Collect all files which should be compiled.
 278 #
 279 # This is all of the non·asset, nonrecursive files.
 280 override compilablefiles := $(filter-out $(assetfiles) $(recursivefiles),$(sourcefiles))
 281
 282 # (callable) Get the compiled locations for the given source files.
 283 override compiled = $(patsubst $(SRCDIR)/%,$(BUILDDIR)/public/%,$(1))
 284
 285 # (callable) Get the installed locations for the given source files.
 286 override installed = $(patsubst $(SRCDIR)/%,$(DESTDIR)/%,$(1))
 287
 288 # ─ ¶ Recipe Variable Definitions ─────────────────────────────────────
 289
 290 # (callable) Check to see if the given directory exists and
 291 # create it if not.
 292 override ensuredirectory = if $(TEST) ! -d $(call quote,$1); then $(MKDIR) -p $(call quote,$1); fi
 293
 294 # (callable) Sanitize and wrap the provided plaintext file in
 295 #  X·M·L, printing to `stdout´.
 296 override wrapplaintext = $(PRINTF) '%s\n' "$$($(PRINTF) '%b' '<?xml version=\042\061.0\042?>\n<script xmlns=\042http://www.w3.org/1999/xhtml\042 type=\042$(patsubst $1?type=%,%,$(filter $1?type=%,$(types)))\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>')"
 297
 298 # ─ ¶ Phony Targets ───────────────────────────────────────────────────
 299
 300 # Provide help.
 301 help:
 302         $(silent)$(PRINTF) '%b' '$(subst $(newline),\n,$(makefileinfo))'
 303
 304 # Compile all files, or error if any are recursive.
 305 all: $(call compiled,$(recursivefiles) $(compilablefiles) $(filter $(sourcefiles),$(assetfiles))) ;
 306
 307 # Destroy buildfiles.
 308 clean:
 309         $(silent)$(RM) -rf $(BUILDDIR)/
 310
 311 # Destroy buildfiles and the install directory.
 312 gone:
 313         $(silent)$(RM) -rf $(BUILDDIR)/ $(call compiled,$(recursivefiles) $(compilablefiles))
 314
 315 # Install the compiled files into `DESTDIR´.
 316 install: $(call installed,$(recursivefiles) $(compilablefiles) $(filter $(sourcefiles),$(assetfiles))) ;
 317
 318 # List all source files and includes and their computed types.
 319 list:
 320         $(silent)$(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)))) )) | $(TR) ' `' '\n '
 321
 322 # Raise an error when attempting to build any files with recursive
 323 # dependencies.
 324 $(call compiled,$(recursivefiles)): $(BUILDDIR)/public/%:
 325         @$(PRINTF) '%b\n' $(call quote,\0033[93;41mError:\0033[39;49m `$*´ has recursive dependencies:\n$(subst `, ,$(subst $(space),$(newline),$(foreach recursive,$(call recursives,$(SRCDIR)/$*),•`$(patsubst $(SRCDIR)/%,%,$(recursive)))))) && false
 326
 327 # ─ ¶ Special Targets ─────────────────────────────────────────────────
 328
 329 # Perform secondary expansion; this enables pattern rules to determine
 330 # their prerequisites based on the matched pattern.
 331 .SECONDEXPANSION: ;
 332
 333 # Don’t use any implicit rules.
 334 .SUFFIXES: ;
 335
 336 # Phony rules; always consider these out‐of‐date.
 337 .PHONY: all default clean gone info install list $(call compiled,$(recursivefiles));
 338
 339 ifneq ($(wildcard $(BUILDDIR)/.update-types)$(wildcard $(BUILDDIR)/dependencies),)
 340 # Reload this make·file if the dependency graph has changed.
 341 #
 342 # This graph is a dependency for some of the variables that this
 343 # make·file uses, so it’s important to ensure that they are actually
 344 # up‐to‐date prior to executing any later rules.
 345 #
 346 # This recipe only exists after types have been updated or when the
 347 # dependency graph already exists.
 348 $(THISDIR)/GNUmakefile:: $(BUILDDIR)/dependencies
 349         $(silent)$(TOUCH) $(THISDIR)/GNUmakefile
 350         $(silent)$(RM) -f $(BUILDDIR)/.update-types
 351         @$(PRINTF) '%b\n' '\0033[1mDependency graph updated. Restarting…\0033[22m'
 352 endif
 353
 354 ifeq ($(wildcard $(BUILDDIR)/.update-types),)
 355 # Reload this make·file if any of the magic files or parsers have
 356 # changed.
 357 #
 358 # These are used to classify source files, so if they have changed then
 359 # the make·file must be reloaded.
 360 #
 361 # This recipe sleeps for one second to ensure that files built after
 362 # the restart have a more current time·stamp.
 363 $(THISDIR)/GNUmakefile:: $(BUILDDIR)/magic.mgc $(BUILDDIR)/parser.xslt $(THISDIR)/lib/parser2types.xslt
 364         $(silent)$(TOUCH) $(THISDIR)/GNUmakefile
 365         $(silent)$(RM) -f $(call quote,$(BUILDDIR)/dependencies)
 366         @$(PRINTF) '%b\n' '\0033[1mMagic file or parsers have updated. Restarting…\0033[22m'
 367         $(silent)$(SLEEP) 1
 368         $(silent)$(TOUCH) $(call quote,$(BUILDDIR)/.update-types)
 369 endif
 370
 371 # ─ ¶ Build Targets ───────────────────────────────────────────────────
 372
 373 # Generate the compiled magic file from its sources.
 374 #
 375 # It must be updated if any of the files in the magic directory change.
 376 # It ⁜also⁜ should be updated if any of the files in the magic
 377 # directory are deleted, but this isn’t tracked presently.
 378 $(BUILDDIR)/magic.mgc: $(wildcard $(MAGICDIR)/*)
 379         @$(ECHO) "Compiling new magic…"
 380         $(silent)$(call ensuredirectory,$(dir $@))
 381         $(silent)cd $(call quote,$(BUILDDIR)) && $(FILE) -C -m $(call quote,$(realpath $(MAGICDIR)))
 382
 383 # Generate the main parser.
 384 $(BUILDDIR)/parser.catalog: $(PARSERS)
 385         @$(ECHO) "Generating catalog of parsers…"
 386         $(silent)$(XMLCATALOG) --create --noout $(call quote,$@)
 387         $(foreach parser,$(PARSERS),$(silent)$(XMLCATALOG) --add uri $(call quote,$(call id,$(parser))) $(call quote,../$(parser)) --noout $(call quote,$@)$(newline))
 388 $(BUILDDIR)/parser.xslt: $(BUILDDIR)/parser.catalog $(THISDIR)/lib/catalog2parser.xslt
 389         @$(ECHO) "Generating main parser…"
 390         $(silent)$(XSLTPROC) -o $(call quote,$@) $(call quote,$(THISDIR)/lib/catalog2parser.xslt) $(call quote,$<)
 391
 392 # Parse the files.
 393 #
 394 # Even plain X·M·L files are parsed, because they may contain X·H·T·M·L
 395 # `<script>´ elements which contain other kinds of data. Asset files
 396 # are turned into H·T·M·L embeds pointing to `data:´ U·R·I’s.
 397 $(call parsed,$(sourceincludes)): $(BUILDDIR)/includes/%: $(INCLUDEDIR)/% $(typeupdates)
 398         @$(PRINTF) '%s\n' $(call quote,Processing `$<´…)
 399         $(silent)$(call ensuredirectory,$(dir $@))
 400         $(silent)$(if $(filter $<,$(assetfiles)),$(PRINTF) '%s\n' $(call quote,<object xmlns="http://www.w3.org/1999/xhtml" type="$(call typeoffile,$(INCLUDEDIR)/$*)" data="$(call datauri,$<)"/>) > $(call quote,$@),$(if $(filter $<,$(plaintextfiles)),$(call wrapplaintext,$<),$(CAT) $(call quote,$<)) | $(XSLTPROC) -o $(call quote,$@) $(call quote,$(BUILDDIR)/parser.xslt) -)
 401 $(call parsed,$(sourcefiles)): $(BUILDDIR)/sources/%: $(SRCDIR)/% $(typeupdates)
 402         @$(PRINTF) '%s\n' $(call quote,Processing `$<´…)
 403         $(silent)$(call ensuredirectory,$(dir $@))
 404         $(silent)$(if $(filter $<,$(assetfiles)),$(PRINTF) '%s\n' $(call quote,<object xmlns="http://www.w3.org/1999/xhtml" type="$(call typeoffile,$(SRCDIR)/$*)" data="$(call datauri,$<)"/>) > $(call quote,$@),$(if $(filter $<,$(plaintextfiles)),$(call wrapplaintext,$<),$(CAT) $(call quote,$<)) | $(XSLTPROC) -o $(call quote,$@) $(call quote,$(BUILDDIR)/parser.xslt) -)
 405
 406 # Generate a catalog of all transformed files, for use when processing
 407 # includes. This does not depend on actually transforming the files.
 408 $(BUILDDIR)/catalog: $(sourcefiles) $(sourceincludes) $(typeupdates)
 409         @$(ECHO) "Generating catalog of parsed files…"
 410         $(silent)$(XMLCATALOG) --create --noout $(call quote,$@)
 411         $(foreach source,$(sourcefiles) $(sourceincludes),$(silent)$(XMLCATALOG) --add uri $(call quote,$(call localuri,$(source))) $(call quote,$(patsubst $(BUILDDIR)/%,%,$(call parsed,$(source)))#$(if $(filter $(source),$(assetfiles)),asset,xml)) --noout $(call quote,$@)$(newline))
 412
 413 # Build a list of dependencies for each transformed file.
 414 $(BUILDDIR)/dependencies: $(BUILDDIR)/catalog $(call parsed,$(plaintextfiles) $(xmlfiles)) $(THISDIR)/lib/catalog2dependencies.xslt
 415         @$(ECHO) "Identifying dependencies…"
 416         $(silent)$(XSLTPROC) -o $(call quote,$@) $(call quote,$(THISDIR)/lib/catalog2dependencies.xslt) $(call quote,$<)
 417
 418 # Generate the main transform.
 419 $(BUILDDIR)/transform.catalog: $(TRANSFORMS)
 420         @$(ECHO) "Generating catalog of transforms…"
 421         $(silent)$(XMLCATALOG) --create --noout $(call quote,$@)
 422         $(foreach transform,$(TRANSFORMS),$(silent)$(XMLCATALOG) --add uri $(call quote,$(call id,$(transform))) $(call quote,../$(transform)) --noout $(call quote,$@)$(newline))
 423 $(BUILDDIR)/transform.xslt: $(BUILDDIR)/transform.catalog $(THISDIR)/lib/catalog2transform.xslt
 424         @$(ECHO) "Generating main transform…"
 425         $(silent)$(XSLTPROC) -o $(call quote,$@) $(call quote,$(THISDIR)/lib/catalog2transform.xslt) $(call quote,$<)
 426
 427 # Generate the output files using the dependencies as necessary.
 428 $(call compiled,$(compilablefiles)): $(BUILDDIR)/public/%: $$(call parsed,$(SRCDIR)/%) $(BUILDDIR)/transform.xslt $$(call parsed,$$(call dependencies,$(SRCDIR)/%))
 429         $(silent)$(call ensuredirectory,$(dir $@))
 430         @$(PRINTF) '%s\n' $(call quote,Compiling `$*´…)
 431         $(silent)$(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' $(call quote,$(SRCDIR)/$*))' --stringparam path $(call quote,/$*) $(call quote,$(BUILDDIR)/transform.xslt) $(call quote,$<)
 432 $(call compiled,$(filter $(assetfiles),$(sourcefiles))): $(BUILDDIR)/public/%: $(SRCDIR)/%
 433         @$(PRINTF) '%s\n' $(call quote,Compiling `$*´…)
 434         $(silent)$(call ensuredirectory,$(dir $@))
 435         $(silent)$(CP) $(call quote,$<) $(call quote,$@)
 436
 437 # Install compiled files (or error in the case of recursive ones).
 438 $(call installed,$(filter $(assetfiles),$(sourcefiles)) $(recursivefiles) $(compilablefiles)): $(DESTDIR)/%: $(BUILDDIR)/public/%
 439         @$(PRINTF) '%s\n' $(call quote,Installing `$*´…)
 440         $(silent)$(call ensuredirectory,$(dir $@))
 441         $(silent)$(CP) $(call quote,$<) $(call quote,$@)