1 files changed, 68 insertions, 0 deletions
diff --git a/share/mk/build/pdf.mk b/share/mk/build/pdf.mk
new file mode 100644
index 000000000..380c6c643
--- /dev/null
+++ b/share/mk/build/pdf.mk
@@ -0,0 +1,68 @@
+########################################################################
+# Copyright 2023, Alejandro Colomar <alx@kernel.org>
+# SPDX-License-Identifier: GPL-3.0-or-later
+########################################################################
+
+
+ifndef MAKEFILE_BUILD_PDF_INCLUDED
+MAKEFILE_BUILD_PDF_INCLUDED := 1
+
+
+include $(MAKEFILEDIR)/build/_.mk
+include $(MAKEFILEDIR)/build/groff.mk
+include $(MAKEFILEDIR)/cmd.mk
+include $(MAKEFILEDIR)/src.mk
+
+
+DEFAULT_GROPDFFLAGS :=
+EXTRA_GROPDFFLAGS   :=
+GROPDFFLAGS         := $(DEFAULT_GROPDFFLAGS) $(EXTRA_GROPDFFLAGS)
+GROPDF              := gropdf
+
+
+_PDFMAN_troff   := $(patsubst $(MANDIR)/%,$(_MANDIR)/%.pdf.troff,$(NONSO_MAN) $(NONSO_MDOC))
+_PDFMAN_MAN_set := $(patsubst $(MANDIR)/%,$(_MANDIR)/%.pdf.set,$(NONSO_MAN))
+_PDFMAN_MDOC_set:= $(patsubst $(MANDIR)/%,$(_MANDIR)/%.pdf.set,$(NONSO_MDOC))
+_PDFMAN         := $(patsubst $(MANDIR)/%,$(_MANDIR)/%.pdf,$(NONSO_MAN) $(NONSO_MDOC))
+
+
+$(_PDFMAN_troff): %.pdf.troff: %.eqn | $$(@D)/
+	$(info	EQN	$@)
+	! ($(EQN) -Tpdf $(EQNFLAGS) <$< 2>&1 >$@) \
+	| $(GREP) ^ >&2
+
+$(_PDFMAN_MAN_set): %.pdf.set: %.pdf.troff | $$(@D)/
+	$(info	TROFF	$@)
+	! ($(TROFF) -Tpdf $(TROFFFLAGS_MAN) <$< 2>&1 >$@) \
+	| $(GREP) ^ >&2
+
+$(_PDFMAN_MDOC_set): %.pdf.set: %.pdf.troff | $$(@D)/
+	$(info	TROFF	$@)
+	! ($(TROFF) -Tpdf $(TROFFFLAGS_MDOC) <$< 2>&1 >$@) \
+	| $(GREP) ^ >&2
+
+$(_PDFMAN): %.pdf: %.pdf.set | $$(@D)/
+	$(info	GROPDF	$@)
+	$(GROPDF) $(GROPDFFLAGS) <$< >$@
+
+
+.PHONY: build-pdf-eqn
+build-pdf-eqn: $(_PDFMAN_troff);
+
+.PHONY: build-pdf-troff-man
+build-pdf-troff-man: $(_PDFMAN_MAN_set);
+
+.PHONY: build-pdf-troff-mdoc
+build-pdf-troff-mdoc: $(_PDFMAN_MDOC_set);
+
+.PHONY: build-pdf-troff
+build-pdf-troff: build-pdf-troff-man build-pdf-troff-mdoc;
+
+.PHONY: build-pdf-gropdf
+build-pdf-gropdf: $(_PDFMAN);
+
+.PHONY: build-pdf
+build-pdf: build-pdf-gropdf;
+
+
+endif  # include guard