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########################################################################
# Copyright (C) 2021 - 2023 Alejandro Colomar <alx@kernel.org>
# SPDX-License-Identifier: GPL-3.0-or-later OR LGPL-3.0-or-later
########################################################################
ifndef MAKEFILE_BUILD_CATMAN_INCLUDED
MAKEFILE_BUILD_CATMAN_INCLUDED := 1
include $(MAKEFILEDIR)/build/_.mk
include $(MAKEFILEDIR)/cmd.mk
include $(MAKEFILEDIR)/src.mk
TMACDIR := $(SYSCONFDIR)/groff/tmac
MANWIDTH ?= 80
NROFF_LINE_LENGTH := $(shell $(EXPR) $(MANWIDTH) - 2)
NROFF_OUT_DEVICE := $(shell $(LOCALE) charmap \
| $(GREP) -i 'utf-*8' >/dev/null \
&& $(ECHO) utf8 \
|| $(ECHO) ascii)
DEFAULT_PRECONVFLAGS :=
EXTRA_PRECONVFLAGS :=
PRECONVFLAGS := $(DEFAULT_PRECONVFLAGS) $(EXTRA_PRECONVFLAGS)
PRECONV := preconv
TBL := tbl
DEFAULT_EQNFLAGS :=
EXTRA_EQNFLAGS :=
EQNFLAGS := $(DEFAULT_EQNFLAGS) $(EXTRA_EQNFLAGS)
EQN := eqn
TMACFILES := $(shell $(FIND) $(TMACDIR) -not -type d | $(SORT))
TMACNAMES := $(basename $(notdir $(TMACFILES)))
TROFF_CHECKSTYLE_LVL := 3
DEFAULT_TROFFFLAGS := -man
DEFAULT_TROFFFLAGS += -t
DEFAULT_TROFFFLAGS += -M $(TMACDIR)
DEFAULT_TROFFFLAGS += $(foreach x,$(TMACNAMES),-m $(x))
DEFAULT_TROFFFLAGS += -rCHECKSTYLE=$(TROFF_CHECKSTYLE_LVL)
DEFAULT_TROFFFLAGS += -ww
DEFAULT_TROFFFLAGS += -rLL=$(NROFF_LINE_LENGTH)n
EXTRA_TROFFFLAGS :=
TROFFFLAGS := $(DEFAULT_TROFFFLAGS) $(EXTRA_TROFFFLAGS)
TROFF := troff
DEFAULT_GROTTYFLAGS := -c
EXTRA_GROTTYFLAGS :=
GROTTYFLAGS := $(DEFAULT_GROTTYFLAGS) $(EXTRA_GROTTYFLAGS)
GROTTY := grotty
_MAN_tbl := $(patsubst $(MANDIR)/%,$(_MANDIR)/%.tbl,$(NONSO_MAN))
_MAN_eqn := $(patsubst $(MANDIR)/%,$(_MANDIR)/%.eqn,$(NONSO_MAN))
_CATMAN_troff := $(patsubst $(MANDIR)/%,$(_MANDIR)/%.cat.troff,$(NONSO_MAN))
_CATMAN_set := $(patsubst $(MANDIR)/%,$(_MANDIR)/%.cat.set,$(NONSO_MAN))
_CATMAN := $(patsubst $(MANDIR)/%,$(_MANDIR)/%.cat,$(NONSO_MAN))
$(_MAN_tbl): $(_MANDIR)/%.tbl: $(MANDIR)/% | $$(@D)/
$(info PRECONV $@)
$(PRECONV) $(PRECONVFLAGS) $< >$@
$(_MAN_eqn): %.eqn: %.tbl | $$(@D)/
$(info TBL $@)
$(TBL) <$< >$@
$(_CATMAN_troff): %.cat.troff: %.eqn | $$(@D)/
$(info EQN $@)
$(EQN) -T$(NROFF_OUT_DEVICE) $(EQNFLAGS) <$< 2>&1 >$@ \
| ( ! $(GREP) ^ )
$(_CATMAN_set): %.cat.set: %.cat.troff | $$(@D)/
$(info TROFF $@)
$(TROFF) -T$(NROFF_OUT_DEVICE) $(TROFFFLAGS) <$< >$@
$(_CATMAN): %.cat: %.cat.set | $$(@D)/
$(info GROTTY $@)
$(GROTTY) $(GROTTYFLAGS) <$< >$@
.PHONY: build-catman-preconv
build-catman-preconv: $(_MAN_tbl)
@:
.PHONY: build-catman-tbl
build-catman-tbl: $(_MAN_eqn)
@:
.PHONY: build-catman-eqn
build-catman-eqn: $(_CATMAN_troff)
@:
.PHONY: build-catman-troff
build-catman-troff: $(_CATMAN_set)
@:
.PHONY: build-catman-grotty
build-catman-grotty: $(_CATMAN)
@:
.PHONY: build-catman
build-catman: build-catman-grotty
@:
endif # MAKEFILE_BUILD_CATMAN_INCLUDED
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