X-Git-Url: https://git.ladys.computer/Shushe/blobdiff_plain/54fe3a7117cb2f1783e623df1d19e415757fcfb2..56e6012ee6eef5f08fb7fac05a7c3639b2162c26:/GNUmakefile?ds=inline
diff --git a/GNUmakefile b/GNUmakefile
index 42e677c..89a7cf9 100644
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -19,29 +19,30 @@ override define makefileinfo
 ║│                                                            │║
 ║│ • awk                                                      │║
 ║│ • cat                                                      │║
+║│ • cd                                                       │║
 ║│ • cksum                                                    │║
 ║│ • cp                                                       │║
 ║│ • date                                                     │║
-║│ • echo                                                     │║
+║│ • diff                                                     │║
 ║│ • file                                                     │║
 ║│ • find                                                     │║
+║│ • grep                                                     │║
 ║│ • git (optional)                                           │║
 ║│ • ln                                                       │║
-║│ • mkdir (requires support for `-p´)                        │║
+║│ • mkdir                                                    │║
 ║│ • mv                                                       │║
-║│ • od (requires support for `-t x1´)                        │║
+║│ • od                                                       │║
 ║│ • pax (only when generating archives)                      │║
 ║│ • printf                                                   │║
 ║│ • rm                                                       │║
 ║│ • sed                                                      │║
 ║│ • sleep                                                    │║
-║│ • stat                                                     │║
 ║│ • test                                                     │║
 ║│ • touch                                                    │║
-║│ • tr (requires support for `-d´)                           │║
-║│ • uuencode (requires support for `-m´ and `-r´)            │║
-║│ • uudecode (requires support for `-m´ and `-r´)            │║
-║│ • xargs (requires support for `-0´)                        │║
+║│ • tr                                                       │║
+║│ • uuencode                                                 │║
+║│ • uudecode                                                 │║
+║│ • xargs                                                    │║
 ║│ • xmlcatalog (provided by libxml2)                         │║
 ║│ • xmllint (provided by libxml2)                            │║
 ║│ • xsltproc (provided by libxslt)                           │║
@@ -67,6 +68,10 @@ override define makefileinfo
 ║│ • `make list´: List all recognized source files and their  │║
 ║│   classification (including media type and dependencies).  │║
 ║│                                                            │║
+║│ • `make listout´: List out the destinations of all         │║
+║│   resulting files (relative to `DESTDIR´), e·g for         │║
+║│   processing by another script.                            │║
+║│                                                            │║
 ║│ • `make uninstall´: Remove installed files, but not        │║
 ║│   `BUILDDIR´.                                              │║
 ║│                                                            │║
@@ -95,13 +100,15 @@ endef
 # If these are not installed on your computer, or you need to use a different implementation, you can override the appropriate variable.
 AWK := awk
 CAT := cat
+CD := cd
 CKSUM := cksum
 CP := cp
 DATE := date
-ECHO := echo
+DIFF := diff
 FILE := file
 FIND := find
 GIT := git
+GREP := grep
 LN := ln
 MKDIR := mkdir
 MV := mv
@@ -111,7 +118,6 @@ PRINTF := printf
 RM := rm
 SED := sed
 SLEEP := sleep
-STAT := stat
 TEST := test
 TOUCH := touch
 TR := tr
@@ -189,17 +195,20 @@ EXTRATRANSFORMS :=
 TRANSFORMS := $(sort $(patsubst ./%,%,$(wildcard $(THISDIR)/transforms/*.xslt)) $(EXTRATRANSFORMS))
 
 # List of types which should be treated as X·M·L.
-XMLTYPES := application/xml text/xml
+#
+# Types which start with a `+´ are suffixes and match any type which
+# ends accordingly.
+XMLTYPES := application/xml text/xml +xml
 
 ifdef GIT
 ifneq ($(wildcard $(THISDIR)/.git),)
 # A description of the current git revision of ⛩️📰 书社.
-THISREV := $(shell cd $(THISDIR); $(GIT) describe 2> /dev/null || $(GIT) rev-parse HEAD 2> /dev/null || true)
+THISREV := $(shell $(CD) $(THISDIR); $(GIT) describe 2> /dev/null || $(GIT) rev-parse HEAD 2> /dev/null || :)
 endif
 
 ifneq ($(wildcard .git),)
 # A description of the current git revision of the working directory.
-SRCREV := $(shell $(GIT) describe 2> /dev/null || $(GIT) rev-parse HEAD 2> /dev/null || true)
+SRCREV := $(shell $(GIT) describe 2> /dev/null || $(GIT) rev-parse HEAD 2> /dev/null || :)
 endif
 endif
 
@@ -215,6 +224,9 @@ endif
 #   Generates archive files from parse results.
 MODE := urn:fdc:ladys.computer:20231231:Shu1She4:mode:default
 
+# Set to a non·empty value to silence informative messages.
+QUIET :=
+
 # Set to a non·empty value to print all commands as they run.
 VERBOSE :=
 
@@ -243,22 +255,43 @@ override comma := ,
 # (callable) Quote the given string for use within shell calls.
 override quote = '$(subst ','"'"',$1)'
 
-# Outputs an `@´ to silence rules, unless `VERBOSE´ is nonempty.
-override silent := $(if $(VERBOSE),,@)
+# (callable) Get the modified time of the provided file.
+#
+# This touches a file containing only a newline and then diffs it with `/dev/null´ and extracts the timestamp from the diff.
+# Interestingly, on Macintosh, the format of `diff -u´ is only Posixy (including a fractional component and timezone) when `COMMAND_MODE=legacy´; however, the timezone will always be zero and the fractional component is ignorable, so it’s not necessary to worry about that here.
+#
+# The diff will always have an exit status of 1, but this is ignored by piping into Sed.
+#
+# ☡ This variable creates a subshell every time it is computed.
+override modtime = $(shell if $(TEST) ! -f $(call quote,$(BUILDDIR)/.mtime); then $(PRINTF) '%b' '\n' > $(call quote,$(BUILDDIR)/.mtime); fi; $(TOUCH) -r $(call quote,$1) $(call quote,$(BUILDDIR)/.mtime); TZ=UTC0 $(DIFF) -u $(call quote,$(BUILDDIR)/.mtime) /dev/null | $(SED) '1!d;s/.*	\([^ ]*\) \([^ ]*\).*$$/\1T\2Z/')
 
 # ─ ¶ Recipe Variable Definitions ─────────────────────────────────────
 
+# Outputs an `@´ to silence rules, unless `VERBOSE´ is non·empty.
+override silent := $(if $(VERBOSE),,@)
+
+# (callable) Only perform the rule if `QUIET` is not set.
+override inform = $(if $(QUIET),,@$1)
+
 # (callable) Check to see if the given directory exists and create it if not.
 override ensuredirectory = if $(TEST) ! -d $(call quote,$1); then $(MKDIR) -p $(call quote,$1); fi
 
+# Quote standard input in such a way that piping it to xargs will result in it being processed as a single argument.
+#
+# If standard input ends in a newline, it is stripped; all other newlines are preserved.
+override xargsquote = $(SED) $(call quote,s/'/'"'"'/g;s/^/'/;s/$$/'/;$$!s/$$/\\/)
+
+# Quote standard input in such a way that piping it to xargs will result in each line being processed as a single argument.
+override xargsmultiquote = $(SED) $(call quote,s/'/'"'"'/g;s/^/'/;s/$$/'/)
+
 # (callable) Test if the provided xpath expression matches the provided document.
 override xpath = $(XMLLINT) --xpath $(call quote,$1) $(call quote,$2) > /dev/null 2> /dev/null
 
 # (callable) Extract the value of the text nodes in the provided X·M·L document and print them to `stdout´.
-override extracttext = $(PRINTF) '%s' '' | $(XSLTPROC) - $(call quote,$1)
+override extracttext = $(PRINTF) '%s' '' | $(XSLTPROC) --nonet --novalid - $(call quote,$1)
 
 # (callable) Process the provided transformation result and output the result to the provided location, given the provided relative path.
-override processresultto = if $(call xpath,/*[local-name()="raw-text" and namespace-uri()="urn:fdc:ladys.computer:20231231:Shu1She4"],$1); then $(RM) -f $(call quote,$2); $(call extracttext,$1) > $(call quote,$2); elif $(call xpath,/*[local-name()="base64-binary" and namespace-uri()="urn:fdc:ladys.computer:20231231:Shu1She4"],$1); then $(RM) -f $(call quote,$2); $(call extracttext,$1) | $(TR) -d '\t\n\f\r ' | $(UUDECODE) -m -r > $(call quote,$2); elif $(call xpath,/*[local-name()="archive" and namespace-uri()="urn:fdc:ladys.computer:20231231:Shu1She4"],$1); then $(RM) -f $(call quote,$2); $(MAKE) -f $(call quote,$(abspath $(THISDIR)/GNUmakefile)) $(call quote,$2) NAME=$(call quote,$3) SRC=$(call quote,$1) BUILDDIR=$(call quote,$(BUILDDIR)/archive/$3) DESTDIR=$(call quote,$(patsubst %/,%,$(dir $2))) MODE='urn:fdc:ladys.computer:20231231:Shu1She4:mode:archive'; else $(RM) -f $(call quote,$2); $(XMLLINT) --nsclean $(call quote,$1) > $(call quote,$2); fi
+override processresultto = if $(call xpath,/*[local-name()="raw-text" and namespace-uri()="urn:fdc:ladys.computer:20231231:Shu1She4"],$1); then $(call extracttext,$1) > $(call quote,$2); elif $(call xpath,/*[local-name()="base64-binary" and namespace-uri()="urn:fdc:ladys.computer:20231231:Shu1She4"],$1); then { $(PRINTF) '%s\n' 'begin-base64 644 -'; $(call extracttext,$1) | $(TR) -d '\t\n\f\r '; $(PRINTF) '\n%s\n' '===='; } | $(UUDECODE) -o /dev/stdout > $(call quote,$2); elif $(call xpath,/*[local-name()="archive" and namespace-uri()="urn:fdc:ladys.computer:20231231:Shu1She4"],$1); then $(MAKE) -f $(call quote,$(abspath $(THISDIR)/GNUmakefile)) $(call quote,$2) NAME=$(call quote,$3) SRC=$(call quote,$1) BUILDDIR=$(call quote,$(BUILDDIR)/archive/$3) DESTDIR=$(call quote,$(patsubst %/,%,$(dir $2))) MODE='urn:fdc:ladys.computer:20231231:Shu1She4:mode:archive'; else $(XMLLINT) --nsclean $(call quote,$1) > $(call quote,$2); fi
 
 # ━ § BEGIN DEFAULT MAKE·FILE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 
@@ -273,13 +306,13 @@ ifeq ($(MODE),urn:fdc:ladys.computer:20231231:Shu1She4:mode:default)
 # Calling this variable is useful when a given target should be updated whenever its list of prerequisites changes in addition to whenever there is a change to one of its prerequisites.
 #
 # ☡ This variable creates at least one subshell every time it is computed.
-override diffprereqs = $(if $(subst $(shell $(CAT) $(call quote,$(BUILDDIR)/lastprereqs/$1) 2> /dev/null || true),,$2),$2 FORCE$(and $(shell $(call ensuredirectory,$(BUILDDIR)/lastprereqs) && $(PRINTF) '%s\n' $(call quote,$2) > $(BUILDDIR)/lastprereqs/$1),),$2)
+override diffprereqs = $(if $(subst $(shell $(CAT) $(call quote,$(BUILDDIR)/lastprereqs/$1) 2> /dev/null || :),,$2),$2 FORCE$(and $(shell $(call ensuredirectory,$(BUILDDIR)/lastprereqs) && $(PRINTF) '%s\n' $(call quote,$2) > $(BUILDDIR)/lastprereqs/$1),),$2)
 
 # (callable) Escape special characters for use in sed regular expressions.
 override sedesc = $(subst /,[/],$(subst $$,\$$,$(subst *,\*,$(subst .,\.,$(subst [,\[,$(subst ^,\^,$(subst \,\\,$1)))))))
 
 # The command to use for percent‐decoding.
-override perdeccmd := $(SED) 's/|/%7C/g;s/[\]/%5C/g;s/%[0-9A-Fa-f]\{2\}/|&|/g' | $(TR) '|' '\n' | $(SED) '/^%[0-9A-Fa-f]\{2\}$$/!s/%/|%25|/' | $(TR) '|' '\n' | $(AWK) '$$0!~/%/{printf "%s",$$0}/%/{d="0123456789ABCDEF";v=substr(toupper($$0),2,2);printf "\\%04o",(index(d,substr(v,1,1))-1)*16+index(d,substr(v,2,1))-1}' | $(XARGS) -0 $(PRINTF) '%b'
+override perdeccmd := $(SED) 's/|/%7C/g;s/[\]/%5C/g;s/%[0123456789ABCDEFabcdef]\{2\}/|&|/g' | $(TR) '|' '\n' | $(SED) '/^%[0123456789ABCDEFabcdef]\{2\}$$/!s/%/|%25|/' | $(TR) '|' '\n' | $(AWK) '$$0!~/%/{printf "%s",$$0}/%/{d="0123456789ABCDEF";v=substr(toupper($$0),2,2);printf "\\%04o",(index(d,substr(v,1,1))-1)*16+index(d,substr(v,2,1))-1}' | $(xargsquote) | $(XARGS) -E '' $(PRINTF) '%b'
 
 # (callable) Percent‐decode the given strings.
 #
@@ -294,7 +327,7 @@ override perdec = $(shell $(PRINTF) '%s\0450A' $(foreach encoded,$1,$(call quote
 # It is assumed that the given strings do not contain newlines.
 #
 # ☡ This variable creates a subshell every time it is computed.
-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))
+override perenc = $(shell $(PRINTF) '%s\n' $(foreach unencoded,$1,$(call quote,$(unencoded))) | $(OD) -t x1 | $(SED) 's/^[0123456789]*//;s/0[Aa]/%&/g;s/2[146789ABCDEabcde]/%&/g;s/3[0123456789AaBbDd]/%&/g;s/40/%&/g;s/[46][123456789ABCDEFabcdef]/%&/g;s/[57][0123456789Aa]/%&/g;s/5[Ff]/%&/g;s/7[Ee]/%&/g;s/[ ][0123456789ABCDEFabcdef]\{2\}/%25&/g' | $(TR) -d ' \n' | $(TR) 'abcdef' 'ABCDEF' | $(perdeccmd))
 
 # (callable) Percent‐encode each component in the given paths.
 #
@@ -317,8 +350,10 @@ ifneq ($(wildcard $(BUILDDIR)/parser.xslt),)
 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)))
 endif
 
-# (callable) Get all of the files (source and includes) which have the given types.
-override filesoftype = $(foreach type,$1,$(patsubst %|$(type),%,$(filter %|$(type),$(types))))
+# (callable) Get all of the files (source and includes) which have the provided types.
+#
+# If a provided type begins with a `+´, it is analysed as a suffix, and all matching types will be used.
+override filesoftype = $(foreach typeorsuffix,$1,$(foreach type,$(if $(filter +%,$(typeorsuffix)),$(sort $(foreach suffixedtype,$(filter %$(typeorsuffix),$(types)),$(lastword $(subst |, ,$(suffixedtype))))),$(typeorsuffix)),$(patsubst %|$(type),%,$(filter %|$(type),$(types)))))
 
 # Build up collections of various file types.
 override xmlfiles := $(call filesoftype,$(XMLTYPES))
@@ -326,7 +361,7 @@ override plaintextfiles := $(filter-out $(xmlfiles),$(call filesoftype,$(plainte
 override assetfiles := $(filter-out $(xmlfiles) $(plaintextfiles),$(sourcefiles) $(sourceincludes))
 
 # (callable) Get the types of the given files.
-override typeoffile = $(patsubst $(foreach file,$1,$(file)|%),%,$(filter $(foreach file,$1,$(file)|%),$(types)))
+override typeoffile = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(types))))
 
 # Pair each source magic file with its location in the build directory.
 override magicpair := $(foreach magicfile,$(MAGIC),$(magicfile)|$(BUILDDIR)/magic/$(notdir $(magicfile)))
@@ -346,7 +381,7 @@ override includepath = $(firstword $(foreach directory,$(INCLUDEDIR),$(if $(filt
 # (callable) Get base64 data u·r·i’s for the given files.
 #
 # ☡ This variable creates a subshell every time it is computed.
-override datauri = $(foreach file,$1,data:$(call typeoffile,$(file));base64,$(shell $(UUENCODE) -m -r $(call quote,$(file)) _ | tr -d ' \n'))
+override datauri = $(foreach file,$1,data:$(call typeoffile,$(file));base64,$(shell $(UUENCODE) -m $(call quote,$(file)) _ | $(SED) '2,$$!d;$$d' | $(TR) -d ' \n'))
 
 # Pair each source file and include with its local u·r·i.
 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)))))
@@ -357,11 +392,11 @@ override localuri = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,
 # (callable) Get the source files for the given local uris.
 override sourcefile = $(foreach local,$1,$(patsubst %|$(local),%,$(filter %|$(local),$(sourcelocalpair))))
 
-# Adds a requirement on `$(BUILDDIR)/.update-types´ if the file is present.
+# Resolves to the `FORCE´ target if `$(BUILDDIR)/.update-types´ is present.
 #
-# This file is created after a reload due to type changes, and is removed after.
-# Requiring it ensures that file classifications are up·to·date immediately after the reload.
-override typeupdates := $(wildcard $(BUILDDIR)/.update-types)
+# This file is created before a reload due to type changes, and is removed after.
+# This ensures that file classifications are up·to·date immediately after the reload.
+override typeupdates := $(if $(wildcard $(BUILDDIR)/.update-types),FORCE,)
 
 # Pair each source file and include with its parsed location.
 override sourceparsedpair := $(foreach file,$(sourcefiles) $(sourceincludes),$(file)|$(BUILDDIR)/$(if $(filter $(file),$(sourceincludes)),includes/$(call includepath,$(file)),sources/$(call sourcepath,$(file))))
@@ -442,14 +477,14 @@ endif
 override id = $(XMLLINT) --xpath '/*/*[local-name()="id" and namespace-uri()="urn:fdc:ladys.computer:20231231:Shu1She4"]/text()[1]' $(call quote,$1) 2> /dev/null || $(PRINTF) '%s\n' $(call quote,about:shushe?$(or $2,unknown)=$(call pathenc,$(basename $(notdir $1))))
 
 # (callable) Sanitize and wrap the provided plaintext file in X·M·L, printing to `stdout´.
-override wrapplaintext = $(TR) '\000\013\014' '\032\011\012' < $(call quote,$1) | $(SED) "$$($(PRINTF) '%b' 's/]]>/]]]]>/g\ns/\0357\0277\0276/�/g\ns/\0357\0277\0277/�/g\n$$!s/\\r$$//g\ns/\\r/\\n/g\n$$!s/\0302\0205$$//g\ns/\0302\0205/\\n/g;s/\0342\0200\0250/\\n/g;s/[\0001-\0010]/�/g;s/[\0016-\0037]/�/g')" | $(XARGS) -0 -J %% $(PRINTF) '%b%s%s\n' '\n'
+override wrapplaintext = { $(PRINTF) '%s\n%s' '' ''; }
 
 # (callable) Check if the provided X·M·L file is X·M·L 1.1, and if so, coerce to X·M·L 1.0 as best as possible, printing the result (or the original file contents) to `stdout´.
 #
 # The X·M·L declaration will be dropped and character escapes for C0 control codes will be replaced with a literal `U+0091 PRIVATE USE ONE´, which is invalid in X·M·L 1.1, but valid X·M·L 1.0 (making the replacement obvious).
 #
 # This isn’t a perfect substitution (it makes some assumptions about the format of the underlying X·M·L), but it should be workable for most sensible, welformed files.
-override serializexml = $(SED) "$$($(PRINTF) '%b' '/]*?>//\n s/&\0043x0*[1-8BCEFbcef];/\0302\0221/g\n s/&\0043x0*1[0-9A-Fa-f];/\0302\0221/g\n s/&\00430*[1-8];/\0302\0221/g\n s/&\00430*1[124-9];/\0302\0221/g\n s/&\00430*2[0-9];/\0302\0221/g\n s/&\00430*3[01];/\0302\0221/g\n}')" < $(call quote,$1) | $(SED) "$$(PRINTF '%b' ':a\n/^\\n*$$/{ $$d\n N\n ba\n}')"
+override serializexml = $(SED) "$$($(PRINTF) '%b' '/]*?>//\n s/&\0043x0*[12345678BCEFbcef];/\0302\0221/g\n s/&\0043x0*1[0123456789ABCDEFabcdef];/\0302\0221/g\n s/&\00430*[12345678];/\0302\0221/g\n s/&\00430*1[12456789];/\0302\0221/g\n s/&\00430*2[0123456789];/\0302\0221/g\n s/&\00430*3[01];/\0302\0221/g\n}')" < $(call quote,$1) | $(SED) "$$($(PRINTF) '%b' ':a\n/^\\n*$$/{ $$d\n N\n ba\n}')"
 
 # ─ ¶ Phony Targets ───────────────────────────────────────────────────
 
@@ -458,7 +493,7 @@ all : $(call built,$(recursivefiles) $(installablefiles)) ;
 
 # Destroy buildfiles.
 clean :
-	$(if $(BUILDDIR),$(silent)$(RM) -rf $(call quote,$(BUILDDIR)/),)
+	$(if $(BUILDDIR),$(silent)$(RM) -f -R $(call quote,$(BUILDDIR)/),)
 
 # Destroy build directory and installed files.
 gone : clean uninstall ;
@@ -472,7 +507,11 @@ install : $(call installed,$(recursivefiles) $(installablefiles)) ;
 
 # List all source files and includes and their computed types.
 list :
-	@$(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>,) )) | $(TR) ' |' '\n '
+	@$(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] Modified:|$(call modtime,$(file))$(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>,) )) | $(TR) ' |' '\n '
+
+# Lists out the destinations of all resulting files (relative to `DESTDIR´).
+listout :
+	@$(PRINTF) '%s\n' $(call quote,$(foreach file,$(sort $(sourcefiles)),$(call destination,$(file))))
 
 # Destroy installed files.
 uninstall :
@@ -480,7 +519,7 @@ uninstall :
 
 # Raise an error when attempting to build any files with recursive dependencies.
 $(call built,$(recursivefiles)) :
-	@$(PRINTF) '%b\n' $(call quote,\0033[93;41mError:\0033[39;49m `$(call unbuilt,$@)´ has recursive dependencies:\n$(subst |, ,$(subst $(space),$(newline),$(foreach recursive,$(call recursives,$(call unbuilt,$@)),•|$(recursive))))) && false
+	@$(PRINTF) '%b\n' $(call quote,\0033[93;41mError:\0033[39;49m `$(call unbuilt,$@)´ has recursive dependencies:\n$(subst |, ,$(subst $(space),$(newline),$(foreach recursive,$(call recursives,$(call unbuilt,$@)),•|$(recursive))))) >&2 && false
 
 # Add as a prerequisite to treat the target as tho it were phony.
 FORCE : ;
@@ -494,7 +533,7 @@ FORCE : ;
 .SUFFIXES : ;
 
 # Phony rules; always consider these out·of·date.
-.PHONY : FORCE all default clean gone info install list uninstall $(call built,$(recursivefiles)) ;
+.PHONY : FORCE all default clean gone info install list listout uninstall $(call built,$(recursivefiles)) ;
 
 ifneq ($(typeupdates)$(wildcard $(BUILDDIR)/dependencies)$(wildcard $(BUILDDIR)/destinations),)
 # Reload this make·file if the dependency graph or output destinations have changed.
@@ -507,10 +546,10 @@ ifneq ($(typeupdates)$(wildcard $(BUILDDIR)/dependencies)$(wildcard $(BUILDDIR)/
 $(THISDIR)/GNUmakefile :: $(BUILDDIR)/dependencies $(BUILDDIR)/destinations
 	$(silent)$(TOUCH) $(THISDIR)/GNUmakefile
 ifeq ($(typeupdates),)
-	@if $(TEST) ! -f $(call quote,$(BUILDDIR)/.update-types); then $(PRINTF) '%b\n' '\0033[1mDependency graph and output destinations updated. Restarting…\0033[22m'; fi
+	$(call inform,if $(TEST) ! -f $(call quote,$(BUILDDIR)/.update-types); then $(PRINTF) '%b\n' '\0033[1mDependency graph and output destinations updated. Restarting…\0033[22m' >&2; fi)
 else
-	$(silent)$(RM) $(BUILDDIR)/.update-types
-	@$(PRINTF) '%b\n' '\0033[1mDependency graph and output destinations updated. Restarting…\0033[22m'
+	$(silent)$(RM) $(call quote,$(BUILDDIR)/.update-types)
+	$(call inform,$(PRINTF) '%b\n' '\0033[1mDependency graph and output destinations updated. Restarting…\0033[22m' >&2)
 endif
 endif
 
@@ -523,7 +562,7 @@ ifeq ($(typeupdates),)
 $(THISDIR)/GNUmakefile :: $(BUILDDIR)/magic.mgc $(BUILDDIR)/parser.xslt
 	$(silent)$(TOUCH) $(THISDIR)/GNUmakefile
 	$(silent)$(RM) -f $(call quote,$(BUILDDIR)/dependencies) $(call quote,$(BUILDDIR)/destinations)
-	@$(PRINTF) '%b\n' '\0033[1mMagic file or parsers have updated. Restarting…\0033[22m'
+	$(call inform,$(PRINTF) '%b\n' '\0033[1mMagic file or parsers have updated. Restarting…\0033[22m' >&2)
 	$(silent)$(SLEEP) 1
 	$(silent)$(TOUCH) $(call quote,$(BUILDDIR)/.update-types)
 endif
@@ -540,19 +579,19 @@ $(call magicfile,$(MAGIC)) : $(BUILDDIR)/magic/% : $$(call magicsource,$$@)
 # It must be updated if any of the files in the magic directory change.
 $(BUILDDIR)/magic.mgc : $(call diffprereqs,magic,$(sort $(call magicfile,$(MAGIC))))
 	$(foreach outdated,$(filter-out $^,$(wildcard $(BUILDDIR)/magic/*)),$(silent)$(RM) $(call quote,$(outdated))$(newline))
-	@$(ECHO) "Compiling new magic…"
+	$(call inform,$(PRINTF) '%s\n' 'Compiling new magic…' >&2)
 	$(silent)$(call ensuredirectory,$(dir $@))
-	$(silent)cd $(call quote,$(BUILDDIR)) && $(FILE) -C -m $(call quote,$(realpath $(BUILDDIR)/magic))
+	$(silent)$(CD) $(call quote,$(BUILDDIR)) && $(FILE) -C -m $(call quote,$(realpath $(BUILDDIR)/magic))
 	$(silent)$(TOUCH) $(call quote,$(BUILDDIR)/.update-types)
 
 # Generate the main parser.
 $(BUILDDIR)/parser.catalog : $(call diffprereqs,parsers,$(sort $(PARSERS)))
-	@$(ECHO) "Generating catalog of parsers…"
+	$(call inform,$(PRINTF) '%s\n' 'Generating catalog of parsers…' >&2)
 	$(silent)$(XMLCATALOG) --create --noout $(call quote,$@)
-	$(foreach parser,$(PARSERS),$(silent)( $(call id,$(parser)) ) | $(XARGS) -I %% $(XMLCATALOG) --add uri %% $(call quote,$(call fileuri,$(parser))) --noout $(call quote,$@)$(newline))
+	$(foreach parser,$(PARSERS),$(silent){ $(call id,$(parser)); $(PRINTF) '%s\n' $(call quote,$(call fileuri,$(parser))) '--noout' $(call quote,$@); } | $(xargsmultiquote) | $(XARGS) -E '' $(XMLCATALOG) --add uri$(newline))
 $(BUILDDIR)/parser.xslt : $(BUILDDIR)/parser.catalog $(THISDIR)/lib/catalog2parser.xslt
-	@$(ECHO) "Generating main parser…"
-	$(silent)$(XSLTPROC) -o $(call quote,$@) $(call quote,$(THISDIR)/lib/catalog2parser.xslt) $(call quote,$<)
+	$(call inform,$(PRINTF) '%s\n' 'Generating main parser…' >&2)
+	$(silent)$(XSLTPROC) --nonet --novalid -o $(call quote,$@) $(call quote,$(THISDIR)/lib/catalog2parser.xslt) $(call quote,$<)
 	$(silent)$(TOUCH) $(call quote,$(BUILDDIR)/.update-types)
 
 # Parse the files.
@@ -560,61 +599,66 @@ $(BUILDDIR)/parser.xslt : $(BUILDDIR)/parser.catalog $(THISDIR)/lib/catalog2pars
 # Even plain X·M·L files are parsed, because they may contain X·H·T·M·L `