--- /dev/null
+# @configure_input@
+# --------------------------------------------------------------------------
+#
+# Top-level makefile for MinGW.OSDN base package specification generator
+# and patch queue instantiation system.
+#
+# $Id$
+#
+# Written by Keith Marshall <keith@users.osdn.me>
+# Copyright (C) 2022, MinGW.OSDN Project
+#
+#
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the "Software"),
+# to deal in the Software without restriction, including without limitation
+# the rights to use, copy, modify, merge, publish, distribute, sublicense,
+# and/or sell copies of the Software, and to permit persons to whom the
+# Software is furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice (including the next
+# paragraph) shall be included in all copies or substantial portions of the
+# Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+# DEALINGS IN THE SOFTWARE.
+#
+# --------------------------------------------------------------------------
+#
+# The default target is "all"; declare it early, to avoid any possible
+# inadvertent override from any included file.
+#
+all:
+
+# Specify a default copyright assignment for all managed package
+# specifications; (this may be overridden, for individual packages,
+# by target-specific reassignment within respective Makefile.sub
+# files, included from corresponding subdirectories).
+#
+COPYRIGHT_OWNER := MinGW.OSDN Project
+COPYRIGHT_YEARS := $(shell date +%Y)
+
+# Configuration
+# -------------
+# Establish the target system architecture, and the build system
+# directory, as identified by running the configure script; (note
+# that users may choose to overide the configured $(ARCH) setting
+# when running make with an ARCH=<alt-value> argument).
+#
+ARCH := @ARCH@
+srcdir := @srcdir@
+abs_srcdir = @abs_srcdir@
+top_srcdir = @top_srcdir@
+
+# Keep the configuration in a consistent state. Note that we assume
+# that configure has been run initially, (otherwise we wouldn't have
+# a Makefile to begin with); since this also creates config.status,
+# we may normally assume that it is already available ...
+#
+vpath configure ${top_srcdir}
+config.status: configure
+ $(SHELL) config.status --recheck
+
+# ... in which case, updating Makefile should be a simple matter of
+# running config.status ...
+#
+vpath Makefile.in ${top_srcdir}
+requires_existing = $(if $(wildcard $1),$1,$1.missing)
+Makefile: configure $(call requires_existing,config.status) Makefile.in
+ $(SHELL) config.status
+
+.PHONY: config.status.missing
+# ... but, in the event that this may be missing, (e.g. because it
+# has been manually removed, or removed by "make distclean"), suggest
+# running configure, and bail out.
+#
+config.status.missing:
+ $(warning *** cannot execute config.status)
+ $(error please run ${top_srcdir}/configure to regenerate it.)
+
+# If configure itself needs to be updated, we must run autoconf in the
+# top level source directory.
+#
+vpath %.m4 ${top_srcdir}
+vpath configure.ac ${top_srcdir}
+configure: configure.ac # aclocal.m4 VERSION.m4
+ cd ${top_srcdir}; autoconf
+
+# Output File Generation
+# ----------------------
+# Classified into per-package groupings of package specification files,
+# and patch queue files, each package is managed in terms of a collection
+# of files within their respective package specific subdirectories, which
+# are identified by makefile fragments within those subdirectories.
+#
+subdirs := none
+$(foreach f,$(wildcard ${srcdir}/*/Makefile.sub),$(eval include $f))
+active_subdirs := $(filter-out none,$(subdirs))
+$(active_subdirs): %: %-specfiles %-patchset
+archdir := arch/$(ARCH)
+
+all: $(active_subdirs)
+PACKAGE_TAGSPEC = $(PACKAGE_DIRNAME)-$(PACKAGE_VERSION)
+PACKAGE_TARNAME = $(PACKAGE_TAGSPEC)-$(ARCH)
+.PRECIOUS: %/${archdir}
+
+%/${archdir}:
+ @MKDIR_P@ $@
+
+%-specfiles: %/${archdir} %-clean-specfiles
+ @$(if $(call specfile_select,$*),$(specfile_notice))
+ @$(foreach f,$(call specfile_select,$*),$(call specfile_create,$f,$<);)
+ @$(foreach f,$(PACKAGE_EXTRAS),$(call adjunct_create,$f,$<);)
+
+%-patchset: %/${archdir} %-clean-patchset
+ @$(call patchfile_store,$*,$(wildcard ${abs_srcdir}/$*/patches/series))
+
+specfiles := pkgspec xconfig
+specfile_notice = $(info Generate $* package specification files...)
+specfile_select = $(wildcard $(addprefix ${srcdir}/$1/,$(specfiles)))
+specfile_create = $(specfile_filter) $1 > $2/$(PACKAGE_TARNAME).$(notdir $1)
+specfile_locate = $(info $- $*/${archdir}/$(PACKAGE_TARNAME).$(notdir $1))
+specfile_filter = $(specfile_locate)$(specfile_output)
+specfile_output = @SED@ -e 's?%ARCH%?$(ARCH)?' \
+ -e 's?%PACKAGE_TARNAME%?$(PACKAGE_TARNAME)?' \
+ -e 's?%PACKAGE_DIRNAME%?$(PACKAGE_DIRNAME)?' \
+ -e 's?%PACKAGE_VERSION%?$(PACKAGE_VERSION)?' \
+ -e 's?%PACKAGE_RELEASE%?$(PACKAGE_RELEASE)?' \
+ -e 's?%COPYRIGHT_OWNER%?$(COPYRIGHT_OWNER)?' \
+ -e 's?%COPYRIGHT_YEARS%?$(COPYRIGHT_YEARS)?'
+
+adjunct_create = $(adjunct_locate)$(specfile_output) ${srcdir}/$*/$1 > $2/$1
+adjunct_locate = $(info $- $*/${archdir}/$1)
+
+patchfile_store = @AWK@ '\
+ NF == 1 { patchset[idmax = NR] = $$1 } \
+ NR == 1 { print "Collect $1 patches..." } \
+ END { cmd = "@LN_S@ -f $(dir $2)%1$$s $1/${archdir}/%2$$0*3$$d-%1$$s"; \
+ if ((idmax < 10) || (idmax = 1 + int(log(ct) / log(10))) < 2) idmax = 2; \
+ for (id in patchset) { \
+ printf (" %0*d-%s\n", idmax, id, patchset[id]); \
+ patchset[id] = sprintf (cmd, patchset[id], id, idmax); \
+ if (system (patchset[id])) exit (1); \
+ } \
+ }' /dev/null $2
+
+# Build Directory Clean-Up
+# ------------------------
+#
+clean mostlyclean:
+ $(RM) -r *~ $(addsuffix /arch,$(filter-out none,$(subdirs)))
+
+distclean: clean
+ $(RM) -r autom4te.cache config.* Makefile
+
+maintainer-clean: distclean maintainer-clean-autom4te
+maintainer-clean-autom4te: $(wildcard ${srcdir}/autom4te.cache ${srcdir}/*~)
+ $(if $^,$(RM) -r $^)
+
+%-clean-specfiles:
+ @$(if $(stale_specfiles),$(call stale_cleanup,$*,specification))
+ @$(foreach f,$(stale_specfiles) $(stale_adjunct),$(info $- $f))
+ @$(RM) $(stale_specfiles) $(stale_adjunct)
+
+stale_cleanup = $(info Remove stale $1 $2 files...)
+stale_adjunct = $(wildcard $(addprefix $*/${archdir}/,$(PACKAGE_EXTRAS)))
+stale_specfiles = $(wildcard $(addprefix $*/${archdir}/*.,$(specfiles)))
+stale_patchfiles = $(wildcard $*/${archdir}/*.patch)
+
+%-clean-patchset:
+ @$(if $(stale_patchfiles),$(call stale_cleanup,$*,patch))
+ @$(foreach f,$(stale_patchfiles),$(info $- $f))
+ @$(RM) $(stale_patchfiles)
+#
+# $RCSfile$: end of file
--- /dev/null
+# configure.ac
+# ------------------------------------------------------------------------------
+#
+# Process this file with autoconf, to create a configure script for
+# MinGW.OSDN base package specification maintenance.
+#
+# $Id$
+#
+ m4_define([__VERSION__],[0.1])
+#
+# Written by Keith Marshall <keith@users.osdn.me>
+# Copyright (C) 2022, MinGW.OSDN Project
+#
+#
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the "Software"),
+# to deal in the Software without restriction, including without limitation
+# the rights to use, copy, modify, merge, publish, distribute, sublicense,
+# and/or sell copies of the Software, and to permit persons to whom the
+# Software is furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice (including the next
+# paragraph) shall be included in all copies or substantial portions of the
+# Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+# DEALINGS IN THE SOFTWARE.
+#
+# ------------------------------------------------------------------------------
+#
+ AC_INIT([mingw-pkgspecs],[__VERSION__],[https://mingw.osdn.io/?page=buginfo])
+
+# Identify the host architecture, to which the generated specifications
+# are to relate.
+#
+ AC_ARG_VAR([ARCH],[Host OS identifier for target architecture [[mingw32]]])
+ AC_SUBST([ARCH],[${ARCH-mingw32}])
+
+# Checks for programs required to support the build system.
+#
+ AC_PROG_AWK
+ AC_PROG_LN_S
+ AC_PROG_MKDIR_P
+ AC_PROG_SED
+
+# Construct the basic build system configuration framework.
+#
+ AC_CONFIG_FILES([Makefile])
+ AC_OUTPUT
+#
+# $RCSfile$: end of file
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