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# Make coreutils documentation. -*-Makefile-*-
# This is included by the top-level Makefile.am.
# Copyright (C) 1995-2017 Free Software Foundation, Inc.
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
info_TEXINFOS = doc/coreutils.texi
doc_coreutils_TEXINFOS = \
doc/perm.texi \
doc/parse-datetime.texi \
doc/constants.texi \
doc/fdl.texi
# The following is necessary if the package name is 8 characters or longer.
# If the info documentation would be split into 10 or more separate files,
# then this is necessary even if the package name is 7 characters long.
#
# Tell makeinfo to put everything in a single info file: <package>.info.
# Otherwise, it would also generate files with names like <package>.info-[123],
# and those names all map to one 14-byte name (<package>.info-) on some crufty
# old systems.
AM_MAKEINFOFLAGS = --no-split
doc/constants.texi: $(top_srcdir)/src/tail.c $(top_srcdir)/src/shred.c
$(AM_V_GEN)LC_ALL=C; export LC_ALL; \
$(MKDIR_P) doc && \
{ sed -n -e 's/^#define \(DEFAULT_MAX[_A-Z]*\) \(.*\)/@set \1 \2/p' \
$(top_srcdir)/src/tail.c && \
sed -n -e \
's/.*\(DEFAULT_PASSES\)[ =]* \([0-9]*\).*/@set SHRED_\1 \2/p'\
$(top_srcdir)/src/shred.c; } > $@-t \
&& { cmp $@-t $@ >/dev/null 2>&1 || mv $@-t $@; rm -f $@-t; }
MAINTAINERCLEANFILES += doc/constants.texi
# Extended regular expressions to match word starts and ends.
_W = (^|[^A-Za-z0-9_])
W_ = ([^A-Za-z0-9_]|$$)
syntax_checks = \
sc-avoid-builtin \
sc-avoid-io \
sc-avoid-non-zero \
sc-avoid-path \
sc-avoid-timezone \
sc-avoid-zeroes \
sc-exponent-grouping \
sc-lower-case-var
texi_files = $(srcdir)/doc/*.texi
.PHONY: $(syntax_checks) check-texinfo
# List words/regexps here that should not appear in the texinfo documentation.
check-texinfo: $(syntax_checks)
$(AM_V_GEN)fail=0; \
grep '@url{' $(texi_files) && fail=1; \
grep '\$$@"' $(texi_files) && fail=1; \
grep -n '[^[:punct:]]@footnote' $(texi_files) && fail=1; \
grep -n filename $(texi_files) \
| $(EGREP) -v 'setfilename|[{]filename[}]' \
&& fail=1; \
exit $$fail
sc-avoid-builtin:
$(AM_V_GEN)$(EGREP) -i '$(_W)builtins?$(W_)' $(texi_files) \
&& exit 1 || :
sc-avoid-path:
$(AM_V_GEN)fail=0; \
$(EGREP) -i '$(_W)path(name)?s?$(W_)' $(texi_files) \
| $(EGREP) -v \
'PATH=|path search|search path|@vindex PATH$$|@env[{]PATH[}]' \
&& fail=1; \
exit $$fail
# Use "time zone", not "timezone".
sc-avoid-timezone:
$(AM_V_GEN)$(EGREP) timezone $(texi_files) && exit 1 || :
# Check for insufficient exponent grouping, e.g.,
# @math{2^64} should be @math{2^{64}}.
sc-exponent-grouping:
$(AM_V_GEN)$(EGREP) '\{.*\^[0-9][0-9]' $(texi_files) && exit 1 || :
# Say I/O, not IO.
sc-avoid-io:
$(AM_V_GEN)$(EGREP) '$(_W)IO$(W_)' $(texi_files) && exit 1 || :
# I prefer nonzero over non-zero.
sc-avoid-non-zero:
$(AM_V_GEN)$(EGREP) non-zero $(texi_files) && exit 1 || :
# Use "zeros", not "zeroes" (nothing wrong with "zeroes"; just be consistent).
sc-avoid-zeroes:
$(AM_V_GEN)$(EGREP) -i '$(_W)zeroes$(W_)' $(texi_files) \
&& exit 1 || :
# The quantity inside @var{...} should not contain upper case letters.
# The leading backslash exemption is to permit in-macro uses like
# @var{\varName\} where the upper case letter is part of a parameter name.
find_upper_case_var = \
'/\@var\{/ or next; \
while (/\@var\{(.+?)}/g) \
{ \
$$v = $$1; \
$$v =~ /[A-Z]/ && $$v !~ /^\\/ and (print "$$ARGV:$$.:$$_"), $$m = 1 \
} \
END {$$m and (warn "$@: do not use upper case in \@var{...}\n"), exit 1}'
sc-lower-case-var:
$(AM_V_GEN)$(PERL) -e 1 || { echo $@: skipping test; exit 0; }; \
$(PERL) -lne $(find_upper_case_var) $(texi_files)
check-local: check-texinfo
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