*.mk: build-ps*: Build PostScript manual pages

Signed-off-by: Alejandro Colomar <alx@kernel.org>

3 files changed, 84 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index a05a195c8..a32613962 100644
--- a/Makefile
+++ b/Makefile
@@ -64,6 +64,13 @@ help:
 	$(info	build-html		Build HTML manual pages)
 	$(info	html			Alias for "build-html")
 	$(info	)
+	$(info	build-ps		Build ps manual pages; alias for "build-ps-grops")
+	$(info	build-ps-eqn		eqn(1) step of "build-ps")
+	$(info	build-ps-troff		Wrapper for build-ps-troff-* targets)
+	$(info	build-ps-troff-man	troff(1) step of "build-ps" for man(7) pages)
+	$(info	build-ps-troff-mdoc	troff(1) step of "build-ps" for mdoc(7) pages)
+	$(info	build-ps-grops		grops(1) step of "build-ps")
+	$(info	)
 	$(info	build-src		Alias for "build-src-ld")
 	$(info	build-src-c		Extract C programs from EXAMPLES)
 	$(info	build-src-cc		Compile C programs from EXAMPLES)
@@ -125,6 +132,7 @@ include $(MAKEFILEDIR)/build/_.mk
 include $(MAKEFILEDIR)/build/catman.mk
 include $(MAKEFILEDIR)/build/html.mk
 include $(MAKEFILEDIR)/build/pre.mk
+include $(MAKEFILEDIR)/build/ps.mk
 include $(MAKEFILEDIR)/build/src.mk
 include $(MAKEFILEDIR)/dist.mk
 include $(MAKEFILEDIR)/install/_.mk
@@ -180,6 +188,7 @@ help-variables:
 	$(info	TBL)
 	$(info	EQN		{EXTRA_,}EQNFLAGS)
 	$(info	TROFF		{EXTRA_,}TROFFFLAGS{,_MAN,_MDOC}	{EXTRA_,}NROFFFLAGS)
+	$(info	GROPS		{EXTRA_,}GROPSFLAGS)
 	$(info	GROTTY		{EXTRA_,}GROTTYFLAGS)
 	$(info	COL		{EXTRA_,}COLFLAGS)
 	$(info	)
diff --git a/share/mk/build/_.mk b/share/mk/build/_.mk
index 41b3a8ab9..c42141ba0 100644
--- a/share/mk/build/_.mk
+++ b/share/mk/build/_.mk
@@ -39,7 +39,7 @@ $(builddir)/%/:
 
 
 .PHONY: build
-build: build-catman build-html build-src
+build: build-catman build-html build-ps build-src
 	@:
 
 .PHONY: clean
diff --git a/share/mk/build/ps.mk b/share/mk/build/ps.mk
new file mode 100644
index 000000000..0ce828c86
--- /dev/null
+++ b/share/mk/build/ps.mk
@@ -0,0 +1,74 @@
+########################################################################
+# Copyright 2023, Alejandro Colomar <alx@kernel.org>
+# SPDX-License-Identifier: GPL-3.0-or-later
+########################################################################
+
+
+ifndef MAKEFILE_BUILD_PS_INCLUDED
+MAKEFILE_BUILD_PS_INCLUDED := 1
+
+
+include $(MAKEFILEDIR)/build/_.mk
+include $(MAKEFILEDIR)/build/groff.mk
+include $(MAKEFILEDIR)/cmd.mk
+include $(MAKEFILEDIR)/src.mk
+
+
+DEFAULT_GROPSFLAGS :=
+EXTRA_GROPSFLAGS   :=
+GROPSFLAGS         := $(DEFAULT_GROPSFLAGS) $(EXTRA_GROPSFLAGS)
+GROPS              := grops
+
+
+_PSMAN_troff   := $(patsubst $(MANDIR)/%,$(_MANDIR)/%.ps.troff,$(NONSO_MAN) $(NONSO_MDOC))
+_PSMAN_MAN_set := $(patsubst $(MANDIR)/%,$(_MANDIR)/%.ps.set,$(NONSO_MAN))
+_PSMAN_MDOC_set:= $(patsubst $(MANDIR)/%,$(_MANDIR)/%.ps.set,$(NONSO_MDOC))
+_PSMAN         := $(patsubst $(MANDIR)/%,$(_MANDIR)/%.ps,$(NONSO_MAN) $(NONSO_MDOC))
+
+
+$(_PSMAN_troff): %.ps.troff: %.eqn | $$(@D)/
+	$(info	EQN	$@)
+	$(EQN) -Tps $(EQNFLAGS) <$< 2>&1 >$@ \
+	| ( ! $(GREP) ^ )
+
+$(_PSMAN_MAN_set): %.ps.set: %.ps.troff | $$(@D)/
+	$(info	TROFF	$@)
+	$(TROFF) -Tps $(TROFFFLAGS_MAN) <$< 2>&1 >$@ \
+	| ( ! $(GREP) ^ )
+
+$(_PSMAN_MDOC_set): %.ps.set: %.ps.troff | $$(@D)/
+	$(info	TROFF	$@)
+	$(TROFF) -Tps $(TROFFFLAGS_MDOC) <$< 2>&1 >$@ \
+	| ( ! $(GREP) ^ )
+
+$(_PSMAN): %.ps: %.ps.set | $$(@D)/
+	$(info	GROPS	$@)
+	$(GROPS) $(GROPSFLAGS) <$< >$@
+
+
+.PHONY: build-ps-eqn
+build-ps-eqn: $(_PSMAN_troff)
+	@:
+
+.PHONY: build-ps-troff-man
+build-ps-troff-man: $(_PSMAN_MAN_set)
+	@:
+
+.PHONY: build-ps-troff-mdoc
+build-ps-troff-mdoc: $(_PSMAN_MDOC_set)
+	@:
+
+.PHONY: build-ps-troff
+build-ps-troff: build-ps-troff-man build-ps-troff-mdoc
+	@:
+
+.PHONY: build-ps-grops
+build-ps-grops: $(_PSMAN)
+	@:
+
+.PHONY: build-ps
+build-ps: build-ps-grops
+	@:
+
+
+endif  # include guard