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Makefile
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Makefile
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########################################################################
# Copyright (C) 2021 Alejandro Colomar <[email protected]>
# SPDX-License-Identifier: GPL-2.0 OR LGPL-2.0
########################################################################
# Conventions:
#
# - Follow "Makefile Conventions" from the "GNU Coding Standards" closely.
# However, when something could be improved, don't follow those.
# - Uppercase variables, when referring files, refer to files in this repo.
# - Lowercase variables, when referring files, refer to system files.
# - Variables starting with '_' refer to absolute paths, including $(DESTDIR).
# - Variables ending with '_' refer to a subdir of their parent dir, which
# is in a variable of the same name but without the '_'. The subdir is
# named after this project: <*/man>.
# - Variables ending in '_rm' refer to files that can be removed (exist).
# - Variables ending in '_rmdir' refer to dirs that can be removed (exist).
# - Targets of the form '%-rm' remove their corresponding file '%'.
# - Targets of the form '%/.-rmdir' remove their corresponding dir '%/'.
# - Targets of the form '%/.' create their corresponding directory '%/'.
# - Every file or directory to be created depends on its parent directory.
# This avoids race conditions caused by `mkdir -p`. Only the root
# directories are created with parents.
# - The 'FORCE' target is used to make phony some variables that can't be
# .PHONY to avoid some optimizations.
#
########################################################################
MAKEFLAGS += --no-print-directory
MAKEFLAGS += --silent
MAKEFLAGS += --warn-undefined-variables
htmlbuilddir := $(CURDIR)/.html
HTOPTS :=
DESTDIR :=
prefix := /usr/local
datarootdir := $(prefix)/share
docdir := $(datarootdir)/doc
MANDIR := $(CURDIR)
mandir := $(datarootdir)/man
MAN1DIR := $(MANDIR)/man1
MAN2DIR := $(MANDIR)/man2
MAN3DIR := $(MANDIR)/man3
MAN4DIR := $(MANDIR)/man4
MAN5DIR := $(MANDIR)/man5
MAN6DIR := $(MANDIR)/man6
MAN7DIR := $(MANDIR)/man7
MAN8DIR := $(MANDIR)/man8
man1dir := $(mandir)/man1
man2dir := $(mandir)/man2
man3dir := $(mandir)/man3
man4dir := $(mandir)/man4
man5dir := $(mandir)/man5
man6dir := $(mandir)/man6
man7dir := $(mandir)/man7
man8dir := $(mandir)/man8
manext := \.[0-9]
man1ext := .1
man2ext := .2
man3ext := .3
man4ext := .4
man5ext := .5
man6ext := .6
man7ext := .7
man8ext := .8
htmldir := $(docdir)
htmldir_ := $(htmldir)/man
htmlext := .html
INSTALL := install
INSTALL_DATA := $(INSTALL) -m 644
INSTALL_DIR := $(INSTALL) -m 755 -d
RM := rm
RMDIR := rmdir --ignore-fail-on-non-empty
MAN_SECTIONS := 1 2 3 4 5 6 7 8
.PHONY: all
all:
$(MAKE) uninstall
$(MAKE) install
%/.:
$(info - INSTALL $(@D))
$(INSTALL_DIR) $(@D)
%-rm:
$(info - RM $*)
$(RM) $*
%-rmdir:
$(info - RMDIR $(@D))
$(RMDIR) $(@D)
.PHONY: install
install: install-man | installdirs
@:
.PHONY: installdirs
installdirs: | installdirs-man
@:
.PHONY: uninstall remove
uninstall remove: uninstall-man
@:
.PHONY: clean
clean:
find man?/ -type f \
|while read f; do \
rm -f "$(htmlbuilddir)/$$f".*; \
done;
########################################################################
# man
MANPAGES := $(sort $(shell find $(MANDIR)/man?/ -type f | grep '$(manext)$$'))
_manpages := $(patsubst $(MANDIR)/%,$(DESTDIR)$(mandir)/%,$(MANPAGES))
_man1pages := $(filter %$(man1ext),$(_manpages))
_man2pages := $(filter %$(man2ext),$(_manpages))
_man3pages := $(filter %$(man3ext),$(_manpages))
_man4pages := $(filter %$(man4ext),$(_manpages))
_man5pages := $(filter %$(man5ext),$(_manpages))
_man6pages := $(filter %$(man6ext),$(_manpages))
_man7pages := $(filter %$(man7ext),$(_manpages))
_man8pages := $(filter %$(man8ext),$(_manpages))
MANDIRS := $(sort $(shell find $(MANDIR)/man? -type d))
_mandirs := $(patsubst $(MANDIR)/%,$(DESTDIR)$(mandir)/%/.,$(MANDIRS))
_man1dir := $(filter %man1/.,$(_mandirs))
_man2dir := $(filter %man2/.,$(_mandirs))
_man3dir := $(filter %man3/.,$(_mandirs))
_man4dir := $(filter %man4/.,$(_mandirs))
_man5dir := $(filter %man5/.,$(_mandirs))
_man6dir := $(filter %man6/.,$(_mandirs))
_man7dir := $(filter %man7/.,$(_mandirs))
_man8dir := $(filter %man8/.,$(_mandirs))
_mandir := $(DESTDIR)$(mandir)/.
_manpages_rm := $(addsuffix -rm,$(wildcard $(_manpages)))
_man1pages_rm := $(filter %$(man1ext)-rm,$(_manpages_rm))
_man2pages_rm := $(filter %$(man2ext)-rm,$(_manpages_rm))
_man3pages_rm := $(filter %$(man3ext)-rm,$(_manpages_rm))
_man4pages_rm := $(filter %$(man4ext)-rm,$(_manpages_rm))
_man5pages_rm := $(filter %$(man5ext)-rm,$(_manpages_rm))
_man6pages_rm := $(filter %$(man6ext)-rm,$(_manpages_rm))
_man7pages_rm := $(filter %$(man7ext)-rm,$(_manpages_rm))
_man8pages_rm := $(filter %$(man8ext)-rm,$(_manpages_rm))
_mandirs_rmdir := $(addsuffix -rmdir,$(wildcard $(_mandirs)))
_man1dir_rmdir := $(addsuffix -rmdir,$(wildcard $(_man1dir)))
_man2dir_rmdir := $(addsuffix -rmdir,$(wildcard $(_man2dir)))
_man3dir_rmdir := $(addsuffix -rmdir,$(wildcard $(_man3dir)))
_man4dir_rmdir := $(addsuffix -rmdir,$(wildcard $(_man4dir)))
_man5dir_rmdir := $(addsuffix -rmdir,$(wildcard $(_man5dir)))
_man6dir_rmdir := $(addsuffix -rmdir,$(wildcard $(_man6dir)))
_man7dir_rmdir := $(addsuffix -rmdir,$(wildcard $(_man7dir)))
_man8dir_rmdir := $(addsuffix -rmdir,$(wildcard $(_man8dir)))
_mandir_rmdir := $(addsuffix -rmdir,$(wildcard $(_mandir)))
install_manX := $(foreach x,$(MAN_SECTIONS),install-man$(x))
installdirs_manX := $(foreach x,$(MAN_SECTIONS),installdirs-man$(x))
uninstall_manX := $(foreach x,$(MAN_SECTIONS),uninstall-man$(x))
.SECONDEXPANSION:
$(_manpages): $(DESTDIR)$(mandir)/man%: $(MANDIR)/man% | $$(@D)/.
$(info - INSTALL $@)
$(INSTALL_DATA) -T $< $@
$(_mandirs): %/.: | $$(dir %). $(_mandir)
$(_mandirs_rmdir): $(DESTDIR)$(mandir)/man%/.-rmdir: $$(_man%pages_rm) FORCE
$(_mandir_rmdir): $(uninstall_manX) FORCE
.PHONY: $(install_manX)
$(install_manX): install-man%: $$(_man%pages) | installdirs-man%
@:
.PHONY: install-man
install-man: $(install_manX)
@:
.PHONY: $(installdirs_manX)
$(installdirs_manX): installdirs-man%: $$(_man%dir) $(_mandir)
@:
.PHONY: installdirs-man
installdirs-man: $(installdirs_manX)
@:
.PHONY: $(uninstall_manX)
$(uninstall_manX): uninstall-man%: $$(_man%pages_rm) $$(_man%dir_rmdir)
@:
.PHONY: uninstall-man
uninstall-man: $(_mandir_rmdir) $(uninstall_manX)
@:
########################################################################
# html
# Use with
# make HTOPTS=whatever html
# The sed removes the lines "Content-type: text/html\n\n"
.PHONY: html
html: | builddirs-html
find man?/ -type f \
|while read f; do \
man2html $(HTOPTS) "$$f" \
|sed -e '1,2d' \
>"$(htmlbuilddir)/$${f}$(htmlext)" \
|| exit $$?; \
done;
.PHONY: builddirs-html
builddirs-html:
find man?/ -type d \
|while read d; do \
$(INSTALL_DIR) "$(htmlbuilddir)/$$d" || exit $$?; \
done;
.PHONY: install-html
install-html: | installdirs-html
cd $(htmlbuilddir) && \
find man?/ -type f \
|while read f; do \
$(INSTALL_DATA) -T "$$f" "$(DESTDIR)$(htmldir_)/$$f" || exit $$?; \
done;
.PHONY: installdirs-html
installdirs-html:
find man?/ -type d \
|while read d; do \
$(INSTALL_DIR) "$(DESTDIR)$(htmldir_)/$$d" || exit $$?; \
done;
.PHONY: uninstall-html
uninstall-html:
find man?/ -type f \
|while read f; do \
rm -f "$(DESTDIR)$(htmldir_)/$$f".* || exit $$?; \
done;
########################################################################
# tests
# Check if groff reports warnings (may be words of sentences not displayed)
# from https://lintian.debian.org/tags/groff-message.html
.PHONY: check-groff-warnings
check-groff-warnings:
GROFF_LOG="$$(mktemp --tmpdir manpages-checksXXXX)" || exit $$?; \
for i in man?/*.[1-9]; \
do \
if grep -q 'SH.*NAME' "$$i"; then \
LC_ALL=en_US.UTF-8 MANWIDTH=80 man --warnings -E UTF-8 -l "$$i" > /dev/null 2>| "$$GROFF_LOG"; \
[ -s "$$GROFF_LOG" ] && { echo "$$i: "; cat "$$GROFF_LOG"; echo; }; \
fi; \
done; \
rm -f "$$GROFF_LOG"
# someone might also want to look at /var/catman/cat2 or so ...
# a problem is that the location of cat pages varies a lot
########################################################################
FORCE: