X-Git-Url: https://git.ladys.computer/Shushe/blobdiff_plain/eb3b42b3ee2ac34f01624d360b2ae3195151cfd4..0b335c43a5bdac0c26d0a1eba117d0b8531ad6c1:/GNUmakefile diff --git a/GNUmakefile b/GNUmakefile index d0989c1..0b0cd80 100644 --- a/GNUmakefile +++ b/GNUmakefile @@ -1,3 +1,6 @@ +# SPDX-FileCopyrightText: 2023, 2024 Lady +# SPDX-License-Identifier: MPL-2.0 + SHELL = /bin/sh # ━ § BASIC INFORMATION ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ @@ -16,16 +19,20 @@ override define makefileinfo ║│ │║ ║│ • awk │║ ║│ • cat │║ +║│ • cksum │║ ║│ • cp │║ ║│ • date │║ ║│ • echo │║ ║│ • file │║ ║│ • find │║ +║│ • grep │║ ║│ • git (optional) │║ ║│ • ln │║ -║│ • mkdir (requires support for `-p´) │║ +║│ • ls │║ +║│ • mkdir │║ ║│ • mv │║ -║│ • od (requires support for `-t x1´) │║ +║│ • od │║ +║│ • pax (only when generating archives) │║ ║│ • printf │║ ║│ • rm │║ ║│ • sed │║ @@ -33,9 +40,10 @@ override define makefileinfo ║│ • stat │║ ║│ • test │║ ║│ • touch │║ -║│ • tr (requires support for `-d´) │║ -║│ • uuencode (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) │║ @@ -61,6 +69,10 @@ 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´. │║ ║│ │║ @@ -89,16 +101,20 @@ 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 +CKSUM := cksum CP := cp DATE := date ECHO := echo FILE := file FIND := find GIT := git +GREP := grep LN := ln +LS := ls MKDIR := mkdir MV := mv OD := od +PAX := pax PRINTF := printf RM := rm SED := sed @@ -107,12 +123,23 @@ STAT := stat TEST := test TOUCH := touch TR := tr +UUDECODE := uudecode UUENCODE := uuencode XARGS := xargs XMLCATALOG := xmlcatalog XMLLINT := xmllint XSLTPROC := xsltproc +# This variable is not used in normal execution. +# +# In the archiving `MODE´, it provides the X·M·L file from which the archive should be constructed. +SRC := + +# This variable is not used in normal execution. +# +# In the archiving `MODE´, it provides a user‐friendly name for the archive. +NAME := + # The directory which contains the source files. # # Multiple directories can be given so long as files with the same name do not exist in each. @@ -127,14 +154,20 @@ SRCDIR := sources INCLUDEDIR := sources/includes # The directory in which to generate temporary buildfiles. +# +# This variable is also used by the archiving `MODE´. BUILDDIR := build # The directory into which to output files on `make install´. +# +# This variable is also used by the archiving `MODE´. DESTDIR := public # The location of this Makefile (and related ⛩️📰 书社 files), relative to the current working directory. # # By default, this is inferred from the variable `MAKEFILE_LIST´. +# +# This variable is also used by the archiving `MODE´. THISDIR := $(patsubst %/,%,$(dir $(lastword $(MAKEFILE_LIST)))) # Configuration of `find´. @@ -142,7 +175,7 @@ THISDIR := $(patsubst %/,%,$(dir $(lastword $(MAKEFILE_LIST)))) # By default, `find´ will ignore files which begin with a period and those which are likely to cause problems for `make´. EXTRAFINDRULES := EXTRAFINDINCLUDERULES := -FINDRULES := ! '(' '(' -name '[.-]*' -o -name '*[][*?:|$$%\#\\; ]*' -o -name '*[)]' ')' -a -prune ')'$(if $(EXTRAFINDRULES), -a $(EXTRAFINDRULES),) +FINDRULES := ! '(' '(' -name '[.-]*' -o -name '*[][*?:|$$%\#\\; ]*' -o -name '*"{*' -o -name '*}"*' -o -name '*[)]' ')' -a -prune ')'$(if $(EXTRAFINDRULES), -a $(EXTRAFINDRULES),) FINDINCLUDERULES := $(FINDRULES)$(if $(EXTRAFINDINCLUDERULES), -a $(EXTRAFINDINCLUDERULES),) # The list of magic files to use when determining media types. @@ -166,13 +199,10 @@ TRANSFORMS := $(sort $(patsubst ./%,%,$(wildcard $(THISDIR)/transforms/*.xslt)) # List of types which should be treated as X·M·L. XMLTYPES := application/xml text/xml -# The name of the generator program. -GENERATOR := ⛩️📰 书社 - ifdef GIT ifneq ($(wildcard $(THISDIR)/.git),) # A description of the current git revision of ⛩️📰 书社. -VERSION := $(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 || $(GIT) rev-parse HEAD 2> /dev/null || true) endif ifneq ($(wildcard .git),) @@ -181,13 +211,28 @@ SRCREV := $(shell $(GIT) describe 2> /dev/null || $(GIT) rev-parse HEAD 2> /dev/ endif endif +# The mode in which to run this make·file. +# Modes essentially allow for the combination of multiple conceptual make·files into a single source. +# +# The following modes are available :— +# +# • ‹ urn:fdc:ladys.computer:20231231:Shu1She4:mode:default ›: +# The default mode; typical Shushe behaviours. +# +# • ‹ urn:fdc:ladys.computer:20231231:Shu1She4:mode:archive ›: +# Generates archive files from parse results. +# +# • ‹ urn:fdc:ladys.computer:20231231:Shu1She4:mode:paged ›: +# Generates paginated files from parse results. +MODE := urn:fdc:ladys.computer:20231231:Shu1She4:mode:default + # Set to a non·empty value to print all commands as they run. VERBOSE := # The default target for this makefile. .DEFAULT_GOAL := all -# ━ § BEGIN MAKE·FILE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ +# ━ § BEGIN SHARED MAKE·FILE CONSTRUCTS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ # ─ ¶ Non‐Recipe Variable Definitions ───────────────────────────────── @@ -212,11 +257,61 @@ override quote = '$(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 is messy; there is no portable way of using `stat´. +# +# ☡ This variable creates a subshell every time it is computed. +override modtime = $(shell if $(STAT) --version 2> /dev/null | $(GREP) -q GNU; then $(DATE) -u -d "@$$(TZ= $(STAT) -c '%Y' $(call quote,$1))" '+%Y-%m-%dT%H:%M:%SZ'; else TZ= $(STAT) -f '%Sm' -t '%Y-%m-%dT%H:%M:%SZ' $(call quote,$1); fi) + +# ─ ¶ Recipe Variable Definitions ───────────────────────────────────── + +# (callable) Check to see if the given directory exists and create it if not. +override ensuredirectory = if $(TEST) ! -d $(call quote,$1); then $(MKDIR) -p $(call quote,$1); fi + +# Quote standard input in such a way that piping it to xargs will result in it being processed as a single argument. +# +# If standard input ends in a newline, it is stripped; all other newlines are preserved. +override xargsquote = $(SED) $(call quote,s/'/'"'"'/g;s/^/'/;s/$$/'/;$$!s/$$/\\/) + +# 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) --nonet --novalid - $(call quote,$1) + +# (callable) List the files in the provided directory which are associated with the provided filename, one per line. +override associatedfiles = $(LS) -1 $(call quote,$1) | $(SED) '/.*"{.*}".*/!d;s/^\(.*\)"{.*}"\(.*\)$$/\1\2|&/' | $(GREP) -F -e $(call quote,$2|) | $(SED) 's/^.*|//' + +# (callable) Remove files associated with the provided file. +override removeassociatedfiles = ASSOCIATED="$$($(call associatedfiles,$(dir $1),$(notdir $1)) | $(TR) '\n' ' ')"; if $(TEST) -n "$$ASSOCIATED"; then cd $(call quote,$(dir $1)) && $(PRINTF) '%s\n' "$$ASSOCIATED" | $(SED) 's/ \{2,\}/ /g;s/^ //;s/ $$//' | $(TR) ' ' '\n' | $(xargsmultiquote) | $(XARGS) -E '' $(RM); fi + +# (callable) Process the provided transformation result and output the result to the provided location, given the provided relative path. +override processresultto = if $(call xpath,/*[local-name()="raw-text" and namespace-uri()="urn:fdc:ladys.computer:20231231:Shu1She4"],$1); then $(call extracttext,$1) > $(call quote,$2); $(call removeassociatedfiles,$2); elif $(call xpath,/*[local-name()="base64-binary" and namespace-uri()="urn:fdc:ladys.computer:20231231:Shu1She4"],$1); then $(call extracttext,$1) | $(TR) -d '\t\n\f\r ' | $(SED) 's/^/begin-base64 644 - /;s/$$/ ====/' | $(TR) '\t' '\n' | $(UUDECODE) -o /dev/stdout > $(call quote,$2); $(call removeassociatedfiles,$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'; $(call removeassociatedfiles,$2); elif $(call xpath,//*[local-name()="page" 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)/paged/$3) DESTDIR=$(call quote,$(patsubst %/,%,$(dir $2))) MODE='urn:fdc:ladys.computer:20231231:Shu1She4:mode:paged'; else $(XMLLINT) --nsclean $(call quote,$1) > $(call quote,$2); $(call removeassociatedfiles,$2); fi + +# ━ § BEGIN DEFAULT MAKE·FILE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ + +ifeq ($(MODE),urn:fdc:ladys.computer:20231231:Shu1She4:mode:default) + +# ─ ¶ Non‐Recipe Variable Definitions ───────────────────────────────── + +# (callable) Test to see if the prerequisites provided by the second argument matches the value in the file corresponding to the first argument in `$(BUILDDIR)/lastprereqs´. +# If not, save the new value and then add FORCE. +# Return them regardless. +# +# 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) + # (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",$$0}/%/{sub("%","0x");cmd="$(XARGS) $(PRINTF) \"%04o\"";printf "%s","\\";printf "%s",$$0|cmd;close(cmd)}' | $(XARGS) -0 $(PRINTF) '%b' +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}' | $(xargsquote) | $(XARGS) -E '' $(PRINTF) '%b' # (callable) Percent‐decode the given strings. # @@ -246,7 +341,7 @@ sourcefiles := $(filter-out $(sourceincludes),$(shell $(FIND) $(foreach dir,$(SR # Figure out the file type of each source file and source include. ifneq ($(wildcard $(BUILDDIR)/magic.mgc),) -override types := $(shell $(SED) 's/^ *//;s/ *$$//;s/ {2,}/ /g' <<< $(call quote,$(sourcefiles) $(sourceincludes)) | $(TR) ' ' '\n' | $(FILE) -m $(call quote,$(BUILDDIR)/magic.mgc) --mime-type --separator '|' --files-from - | $(SED) 's/| */|/g') +override types := $(shell $(PRINTF) '%s\n' $(call quote,$(sourcefiles) $(sourceincludes)) | $(SED) 's/^ *//;s/ *$$//;s/ {2,}/ /g' | $(TR) ' ' '\n' | $(FILE) -m $(call quote,$(BUILDDIR)/magic.mgc) --mime-type --separator '|' --files-from - | $(SED) 's/| */|/g') endif # Get the list of supported plaintext file types from the parser. @@ -283,7 +378,7 @@ 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))))) @@ -355,37 +450,47 @@ override sourcedestinationpair := $(foreach destination,$(destinations),$(call s override destination = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(sourcedestinationpair)))) # Pair each source file with its compiled location. -override sourcecompiledpair := $(foreach file,$(sourcefiles),$(file)|$(BUILDDIR)/public/$(call destination,$(file))) +override sourcecompiledpair := $(foreach file,$(sourcefiles),$(file)|$(BUILDDIR)/results/$(call destination,$(file))) # (callable) Get the location of the transformed X·M·L files for the given source files. override compiled = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(sourcecompiledpair)))) -# (callable) Get the source files for the given compiled file. +# (callable) Get the location of the source files for the given compiled file. override uncompiled = $(foreach file,$1,$(patsubst %|$(file),%,$(filter %|$(file),$(sourcecompiledpair)))) +# (callable) Get the location of the final built files for the given source files. +override built = $(foreach file,$1,$(patsubst $(BUILDDIR)/results/%,$(BUILDDIR)/public/%,$(call compiled,$(file)))) + +# (callable) Get the location of the source files for the given built files. +override unbuilt = $(foreach file,$1,$(call uncompiled,$(patsubst $(BUILDDIR)/public/%,$(BUILDDIR)/results/%,$(file)))) + # (callable) Get the installed locations for the given source files. override installed = $(foreach file,$1,$(DESTDIR)/$(call destination,$(file))) endif # ─ ¶ Recipe Variable Definitions ───────────────────────────────────── -# (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 - # (callable) Get the identifier for the given parser or transform. 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 = $(PRINTF) '%s\n' "$$($(PRINTF) '%b' '\n')" +override wrapplaintext = $(TR) '\000\013\014' '\032\011\012' < $(call quote,$1) | $(SED) "$$($(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\ns/\0342\0200\0250/\\n/g\ns/[\0001-\0010]/�/g\ns/[\0016-\0037]/�/g\n1s|^|\\n|')" + +# (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}')" # ─ ¶ Phony Targets ─────────────────────────────────────────────────── # Compile all files, or error if any are recursive. -all : $(call compiled,$(recursivefiles) $(compilablefiles)) ; +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 ; @@ -401,13 +506,20 @@ install : $(call installed,$(recursivefiles) $(installablefiles)) ; list : @$(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>,) )) | $(TR) ' |' '\n ' +# Lists out the destinations of all resulting files (relative to `DESTDIR´). +listout : + @$(PRINTF) '⛩️📰 书社 Output: %s\n' $(call quote,$(foreach file,$(sort $(sourcefiles)),$(call destination,$(file)))) + # Destroy installed files. uninstall : $(foreach file,$(installablefiles),$(if $(wildcard $(call installed,$(file))),$(silent)$(PRINTF) '%s\n' $(call quote,Removing …)$(newline)$(silent)$(RM) -f $(call quote,$(call installed,$(file)))$(newline),)) # Raise an error when attempting to build any files with recursive dependencies. -$(call compiled,$(recursivefiles)) : - @$(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,$(call uncompiled,$@)),•|$(recursive))))) && false +$(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 + +# Add as a prerequisite to treat the target as tho it were phony. +FORCE : ; # ─ ¶ Special Targets ───────────────────────────────────────────────── @@ -418,21 +530,27 @@ $(call compiled,$(recursivefiles)) : .SUFFIXES : ; # Phony rules; always consider these out·of·date. -.PHONY : all default clean gone info install list uninstall $(call compiled,$(recursivefiles)) ; +.PHONY : FORCE all default clean gone info install list listout uninstall $(call built,$(recursivefiles)) ; -ifneq ($(wildcard $(BUILDDIR)/.update-types)$(wildcard $(BUILDDIR)/dependencies)$(wildcard $(BUILDDIR)/destinations),) +ifneq ($(typeupdates)$(wildcard $(BUILDDIR)/dependencies)$(wildcard $(BUILDDIR)/destinations),) # Reload this make·file if the dependency graph or output destinations have changed. # # 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. # # This recipe only exists after types have been updated or when the dependency graph or destinations file already exists. +# +# ※ There is a chance that generating the dependencies will also update the parsers. $(THISDIR)/GNUmakefile :: $(BUILDDIR)/dependencies $(BUILDDIR)/destinations $(silent)$(TOUCH) $(THISDIR)/GNUmakefile - $(silent)$(RM) -f $(BUILDDIR)/.update-types +ifeq ($(typeupdates),) + @if $(TEST) ! -f $(call quote,$(BUILDDIR)/.update-types); then $(PRINTF) '%b\n' '\0033[1mDependency graph and output destinations updated. Restarting…\0033[22m'; fi +else + $(silent)$(RM) $(call quote,$(BUILDDIR)/.update-types) @$(PRINTF) '%b\n' '\0033[1mDependency graph and output destinations updated. Restarting…\0033[22m' endif +endif -ifeq ($(wildcard $(BUILDDIR)/.update-types),) +ifeq ($(typeupdates),) # Reload this make·file if any of the magic files or parsers have changed. # # These are used to classify source files, so if they have changed then the make·file must be reloaded. @@ -448,44 +566,44 @@ endif # ─ ¶ Build Targets ─────────────────────────────────────────────────── -# Create symbolic links from the build directory’s store of magic files -# to their corresponding sources. -$(call magicfile,$(MAGIC)) : $(BUILDDIR)/magic/%: $$(call magicsource,$$@) +# Create symbolic links from the build directory’s store of magic files to their corresponding sources. +$(call magicfile,$(MAGIC)) : $(BUILDDIR)/magic/% : $$(call magicsource,$$@) $(silent)$(call ensuredirectory,$(dir $@)) $(silent)$(LN) -sf $(call quote,$(realpath $<)) $(call quote,$@) # Generate the compiled magic file from its sources. # # It must be updated if any of the files in the magic directory change. -# It ⁜also⁜ should be updated if any of the files in the magic directory are deleted, but this isn’t tracked presently. -$(BUILDDIR)/magic.mgc : $(call magicfile,$(MAGIC)) +$(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…" $(silent)$(call ensuredirectory,$(dir $@)) $(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 : $(PARSERS) +$(BUILDDIR)/parser.catalog : $(call diffprereqs,parsers,$(sort $(PARSERS))) @$(ECHO) "Generating catalog of parsers…" $(silent)$(XMLCATALOG) --create --noout $(call quote,$@) - $(foreach parser,$(PARSERS),$(silent)( $(call id,$(parser)) ) | $(XARGS) -I %% $(XMLCATALOG) --add uri %% $(call quote,$(call fileuri,$(parser))) --noout $(call quote,$@)$(newline)) -$(BUILDDIR)/parser.xslt: $(BUILDDIR)/parser.catalog $(THISDIR)/lib/catalog2parser.xslt + $(foreach parser,$(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) $(call quote,$<) + $(silent)$(XSLTPROC) --nonet --novalid -o $(call quote,$@) $(call quote,$(THISDIR)/lib/catalog2parser.xslt) $(call quote,$<) + $(silent)$(TOUCH) $(call quote,$(BUILDDIR)/.update-types) # Parse the files. # # Even plain X·M·L files are parsed, because they may contain X·H·T·M·L `