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########################################################################
# Copyright 2021-2023, Alejandro Colomar <alx@kernel.org>
# SPDX-License-Identifier: GPL-3.0-or-later
########################################################################
ifndef MAKEFILE_BUILD_CATMAN_INCLUDED
MAKEFILE_BUILD_CATMAN_INCLUDED := 1
include $(MAKEFILEDIR)/build/_.mk
include $(MAKEFILEDIR)/build/groff.mk
include $(MAKEFILEDIR)/cmd.mk
include $(MAKEFILEDIR)/src.mk
groff_man_ignore_grep := $(DATAROOTDIR)/lint/groff/man.ignore.grep
MANWIDTH ?= 80
TROFF_CHECKSTYLE_LVL := 3
NROFF_LINE_LENGTH := $(shell $(EXPR) $(MANWIDTH) - 2)
NROFF_OUT_DEVICE := $(shell $(LOCALE) charmap \
| $(GREP) -i 'utf-*8' >/dev/null \
&& $(ECHO) utf8 \
|| $(ECHO) ascii)
DEFAULT_NROFFFLAGS := \
-T$(NROFF_OUT_DEVICE) \
-rLL=$(NROFF_LINE_LENGTH)n \
-rCHECKSTYLE=$(TROFF_CHECKSTYLE_LVL) \
-ww
EXTRA_NROFFFLAGS :=
NROFFFLAGS := $(DEFAULT_NROFFFLAGS) $(EXTRA_NROFFFLAGS)
DEFAULT_GROTTYFLAGS := -c
EXTRA_GROTTYFLAGS :=
GROTTYFLAGS := $(DEFAULT_GROTTYFLAGS) $(EXTRA_GROTTYFLAGS)
GROTTY := grotty
_CATMAN_troff := $(patsubst $(MANDIR)/%,$(_MANDIR)/%.cat.troff,$(NONSO_MAN) $(NONSO_MDOC))
_CATMAN_MAN_set := $(patsubst $(MANDIR)/%,$(_MANDIR)/%.cat.set,$(NONSO_MAN))
_CATMAN_MDOC_set:= $(patsubst $(MANDIR)/%,$(_MANDIR)/%.cat.set,$(NONSO_MDOC))
_CATMAN := $(patsubst $(MANDIR)/%,$(_MANDIR)/%.cat,$(NONSO_MAN) $(NONSO_MDOC))
$(_CATMAN_troff): %.cat.troff: %.eqn | $$(@D)/
$(info EQN $@)
! ($(EQN) -T$(NROFF_OUT_DEVICE) $(EQNFLAGS) <$< 2>&1 >$@) \
| $(GREP) ^ >&2
$(_CATMAN_MAN_set): %.cat.set: %.cat.troff $(groff_man_ignore_grep) | $$(@D)/
$(info TROFF $@)
! ($(TROFF) $(TROFFFLAGS_MAN) $(NROFFFLAGS) <$< 2>&1 >$@ \
| $(GREP) -v -f '$(groff_man_ignore_grep)' \
||:; \
) \
| $(GREP) ^ >&2
$(_CATMAN_MDOC_set): %.cat.set: %.cat.troff | $$(@D)/
$(info TROFF $@)
! ($(TROFF) $(TROFFFLAGS_MDOC) $(NROFFFLAGS) <$< 2>&1 >$@) \
| $(GREP) ^ >&2
$(_CATMAN): %.cat: %.cat.set | $$(@D)/
$(info GROTTY $@)
$(GROTTY) $(GROTTYFLAGS) <$< >$@
.PHONY: build-catman-eqn
build-catman-eqn: $(_CATMAN_troff);
.PHONY: build-catman-troff-man
build-catman-troff-man: $(_CATMAN_MAN_set);
.PHONY: build-catman-troff-mdoc
build-catman-troff-mdoc: $(_CATMAN_MDOC_set);
.PHONY: build-catman-troff
build-catman-troff: build-catman-troff-man build-catman-troff-mdoc;
.PHONY: build-catman-grotty
build-catman-grotty: $(_CATMAN);
.PHONY: build-catman
build-catman: build-catman-grotty;
endif # include guard
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