1 files changed, 50 insertions, 0 deletions
diff --git a/share/mk/build/pre.mk b/share/mk/build/pre.mk
new file mode 100644
index 000000000..cfa01f663
--- /dev/null
+++ b/share/mk/build/pre.mk
@@ -0,0 +1,50 @@
+########################################################################
+# Copyright 2021-2023, Alejandro Colomar <alx@kernel.org>
+# SPDX-License-Identifier: GPL-3.0-or-later
+########################################################################
+
+
+ifndef MAKEFILE_BUILD_PRE_INCLUDED
+MAKEFILE_BUILD_PRE_INCLUDED := 1
+
+
+include $(MAKEFILEDIR)/build/_.mk
+include $(MAKEFILEDIR)/cmd.mk
+include $(MAKEFILEDIR)/src.mk
+
+
+DEFAULT_PRECONVFLAGS :=
+EXTRA_PRECONVFLAGS   :=
+PRECONVFLAGS         := $(DEFAULT_PRECONVFLAGS) $(EXTRA_PRECONVFLAGS)
+PRECONV              := preconv
+
+TBL := tbl
+
+
+_MAN_tbl := $(patsubst $(MANDIR)/%,$(_MANDIR)/%.tbl,$(NONSO_MAN) $(NONSO_MDOC))
+_MAN_eqn := $(patsubst $(MANDIR)/%,$(_MANDIR)/%.eqn,$(NONSO_MAN) $(NONSO_MDOC))
+
+
+$(_MAN_tbl): $(_MANDIR)/%.tbl: $(MANDIR)/% | $$(@D)/
+	$(info	PRECONV	$@)
+	$(PRECONV) $(PRECONVFLAGS) $< >$@
+
+$(_MAN_eqn): %.eqn: %.tbl | $$(@D)/
+	$(info	TBL	$@)
+	$(TBL) <$< >$@
+
+
+.PHONY: build-pre-preconv
+build-pre-preconv: $(_MAN_tbl)
+	@:
+
+.PHONY: build-pre-tbl
+build-pre-tbl: $(_MAN_eqn)
+	@:
+
+.PHONY: build-pre
+build-pre: build-pre-tbl
+	@:
+
+
+endif  # include guard