1 files changed, 62 insertions, 0 deletions
diff --git a/share/mk/dist/files.mk b/share/mk/dist/files.mk
new file mode 100644
index 0000000..bc3f7ff
--- /dev/null
+++ b/share/mk/dist/files.mk
@@ -0,0 +1,62 @@
+# Copyright 2021-2024, Alejandro Colomar <alx@kernel.org>
+# SPDX-License-Identifier: LGPL-3.0-only WITH LGPL-3.0-linking-exception
+
+
+ifndef MAKEFILE_DIST_FILES_INCLUDED
+MAKEFILE_DIST_FILES_INCLUDED := 1
+
+
+include $(MAKEFILEDIR)/configure/build-depends/coreutils.mk
+include $(MAKEFILEDIR)/configure/build-depends/git.mk
+include $(MAKEFILEDIR)/configure/build-depends/grep.mk
+include $(MAKEFILEDIR)/configure/build-depends/sed.mk
+include $(MAKEFILEDIR)/configure/verbose.mk
+include $(MAKEFILEDIR)/configure/version.mk
+include $(MAKEFILEDIR)/dist/_.mk
+
+
+DISTFILES    := $(shell $(DISTFILESCMD) | $(SED) 's,:,\\:,g')
+_DISTFILES   := $(patsubst $(srcdir)/%,$(_DISTDIR)/%,$(DISTFILES))
+_DISTPAGES   := $(filter $(_DISTDIR)/man%,$(_DISTFILES))
+_DISTVERSION := $(_DISTDIR)/share/mk/configure/version.mk
+_DISTOTHERS  := $(filter-out $(_DISTPAGES) $(_DISTVERSION), $(_DISTFILES))
+
+
+FORCE_DISTVERSION := \
+	$(shell \
+		if $(TEST) -f $(_DISTVERSION); then \
+			<$(_DISTVERSION) \
+			$(GREP) \
+				-e '^DISTVERSION :=' \
+				-e '^DISTNAME :=' \
+				-e '^DISTDATE :=' \
+			| $(SED) '/^DISTVERSION := $(DISTVERSION)$$/d' \
+			| $(SED) '/^DISTNAME := $(DISTNAME)$$/d' \
+			| $(SED) '/^DISTDATE := $(DISTDATE)$$/d' \
+			| $(GREP) ^ $(HIDE_ERR) >&2 \
+			&& $(ECHO) FORCE; \
+		fi; \
+	)
+
+
+$(_DISTPAGES): $(_DISTDIR)/man%: $(srcdir)/man% $(MK) | $$(@D)/
+	$(info	$(INFO_)SED		$@)
+	<$< \
+	$(SED) "/^.TH/s/(date)/$$($(GIT) log --format=%cs -1 -- $< $(HIDE_ERR))/" \
+	| $(SED) '/^.TH/s/(unreleased)/$(DISTVERSION)/' \
+	| $(INSTALL_DATA) -T /dev/stdin $@
+
+$(_DISTVERSION): $(MAKEFILEDIR)/configure/version.mk $(MK) $(FORCE_DISTVERSION) | $$(@D)/
+	$(info	$(INFO_)SED		$@)
+	<$< \
+	$(SED) 's/^DISTVERSION *:=.*/DISTVERSION := $(DISTVERSION)/' \
+	| $(SED) 's/^DISTNAME *:=.*/DISTNAME := $(DISTNAME)/' \
+	| $(SED) 's/^DISTDATE *:=.*/DISTDATE := $(DISTDATE)/' \
+	| $(INSTALL_DATA) -T /dev/stdin $@
+
+$(_DISTOTHERS): $(_DISTDIR)/%: $(srcdir)/% $(MK) | $$(@D)/
+	$(info	$(INFO_)CP		$@)
+	$(CP) -dT $< $@
+
+
+endif  # include guard