| 1 | # -*-Makefile-*-
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| 2 | # This Makefile fragment tries to be general-purpose enough to be
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| 3 | # used by many projects via the gnulib maintainer-makefile module.
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| 4 |
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| 5 | ## Copyright (C) 2001-2012 Free Software Foundation, Inc.
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| 6 | ##
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| 7 | ## This program is free software: you can redistribute it and/or modify
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| 8 | ## it under the terms of the GNU General Public License as published by
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| 9 | ## the Free Software Foundation, either version 3 of the License, or
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| 10 | ## (at your option) any later version.
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| 11 | ##
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| 12 | ## This program is distributed in the hope that it will be useful,
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| 13 | ## but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | ## GNU General Public License for more details.
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| 16 | ##
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| 17 | ## You should have received a copy of the GNU General Public License
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| 18 | ## along with this program. If not, see <http://www.gnu.org/licenses/>.
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| 19 |
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| 20 | # This is reported not to work with make-3.79.1
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| 21 | # ME := $(word $(words $(MAKEFILE_LIST)),$(MAKEFILE_LIST))
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| 22 | ME := maint.mk
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| 23 |
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| 24 | # Diagnostic for continued use of deprecated variable.
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| 25 | # Remove in 2013
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| 26 | ifneq ($(build_aux),)
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| 27 | $(error "$(ME): \
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| 28 | set $$(_build-aux) relative to $$(srcdir) instead of $$(build_aux)")
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| 29 | endif
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| 30 |
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| 31 | # Do not save the original name or timestamp in the .tar.gz file.
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| 32 | # Use --rsyncable if available.
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| 33 | gzip_rsyncable := \
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| 34 | $(shell gzip --help 2>/dev/null|grep rsyncable >/dev/null \
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| 35 | && printf %s --rsyncable)
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| 36 | GZIP_ENV = '--no-name --best $(gzip_rsyncable)'
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| 37 |
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| 38 | GIT = git
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| 39 | VC = $(GIT)
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| 40 |
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| 41 | VC_LIST = $(srcdir)/$(_build-aux)/vc-list-files -C $(srcdir)
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| 42 |
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| 43 | # You can override this variable in cfg.mk to set your own regexp
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| 44 | # matching files to ignore.
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| 45 | VC_LIST_ALWAYS_EXCLUDE_REGEX ?= ^$$
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| 46 |
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| 47 | # This is to preprocess robustly the output of $(VC_LIST), so that even
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| 48 | # when $(srcdir) is a pathological name like "....", the leading sed command
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| 49 | # removes only the intended prefix.
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| 50 | _dot_escaped_srcdir = $(subst .,\.,$(srcdir))
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| 51 |
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| 52 | # Post-process $(VC_LIST) output, prepending $(srcdir)/, but only
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| 53 | # when $(srcdir) is not ".".
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| 54 | ifeq ($(srcdir),.)
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| 55 | _prepend_srcdir_prefix =
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| 56 | else
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| 57 | _prepend_srcdir_prefix = | sed 's|^|$(srcdir)/|'
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| 58 | endif
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| 59 |
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| 60 | # In order to be able to consistently filter "."-relative names,
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| 61 | # (i.e., with no $(srcdir) prefix), this definition is careful to
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| 62 | # remove any $(srcdir) prefix, and to restore what it removes.
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| 63 | _sc_excl = \
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| 64 | $(if $(exclude_file_name_regexp--$@),$(exclude_file_name_regexp--$@),^$$)
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| 65 | VC_LIST_EXCEPT = \
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| 66 | $(VC_LIST) | sed 's|^$(_dot_escaped_srcdir)/||' \
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| 67 | | if test -f $(srcdir)/.x-$@; then grep -vEf $(srcdir)/.x-$@; \
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| 68 | else grep -Ev -e "$${VC_LIST_EXCEPT_DEFAULT-ChangeLog}"; fi \
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| 69 | | grep -Ev -e '($(VC_LIST_ALWAYS_EXCLUDE_REGEX)|$(_sc_excl))' \
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| 70 | $(_prepend_srcdir_prefix)
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| 71 |
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| 72 | ifeq ($(origin prev_version_file), undefined)
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| 73 | prev_version_file = $(srcdir)/.prev-version
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| 74 | endif
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| 75 |
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| 76 | PREV_VERSION := $(shell cat $(prev_version_file) 2>/dev/null)
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| 77 | VERSION_REGEXP = $(subst .,\.,$(VERSION))
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| 78 | PREV_VERSION_REGEXP = $(subst .,\.,$(PREV_VERSION))
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| 79 |
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| 80 | ifeq ($(VC),$(GIT))
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| 81 | this-vc-tag = v$(VERSION)
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| 82 | this-vc-tag-regexp = v$(VERSION_REGEXP)
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| 83 | else
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| 84 | tag-package = $(shell echo "$(PACKAGE)" | tr '[:lower:]' '[:upper:]')
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| 85 | tag-this-version = $(subst .,_,$(VERSION))
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| 86 | this-vc-tag = $(tag-package)-$(tag-this-version)
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| 87 | this-vc-tag-regexp = $(this-vc-tag)
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| 88 | endif
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| 89 | my_distdir = $(PACKAGE)-$(VERSION)
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| 90 |
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| 91 | # Old releases are stored here.
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| 92 | release_archive_dir ?= ../release
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| 93 |
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| 94 | # Override gnu_rel_host and url_dir_list in cfg.mk if these are not right.
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| 95 | # Use alpha.gnu.org for alpha and beta releases.
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| 96 | # Use ftp.gnu.org for stable releases.
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| 97 | gnu_ftp_host-alpha = alpha.gnu.org
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| 98 | gnu_ftp_host-beta = alpha.gnu.org
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| 99 | gnu_ftp_host-stable = ftp.gnu.org
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| 100 | gnu_rel_host ?= $(gnu_ftp_host-$(RELEASE_TYPE))
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| 101 |
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| 102 | ifeq ($(gnu_rel_host),ftp.gnu.org)
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| 103 | url_dir_list ?= http://ftpmirror.gnu.org/$(PACKAGE)
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| 104 | else
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| 105 | url_dir_list ?= ftp://$(gnu_rel_host)/gnu/$(PACKAGE)
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| 106 | endif
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| 107 |
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| 108 | # Override this in cfg.mk if you are using a different format in your
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| 109 | # NEWS file.
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| 110 | today = $(shell date +%Y-%m-%d)
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| 111 |
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| 112 | # Select which lines of NEWS are searched for $(news-check-regexp).
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| 113 | # This is a sed line number spec. The default says that we search
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| 114 | # lines 1..10 of NEWS for $(news-check-regexp).
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| 115 | # If you want to search only line 3 or only lines 20-22, use "3" or "20,22".
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| 116 | news-check-lines-spec ?= 1,10
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| 117 | news-check-regexp ?= '^\*.* $(VERSION_REGEXP) \($(today)\)'
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| 118 |
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| 119 | # Prevent programs like 'sort' from considering distinct strings to be equal.
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| 120 | # Doing it here saves us from having to set LC_ALL elsewhere in this file.
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| 121 | export LC_ALL = C
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| 122 |
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| 123 | ## --------------- ##
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| 124 | ## Sanity checks. ##
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| 125 | ## --------------- ##
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| 126 |
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| 127 | _cfg_mk := $(shell test -f $(srcdir)/cfg.mk && echo '$(srcdir)/cfg.mk')
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| 128 |
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| 129 | # Collect the names of rules starting with 'sc_'.
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| 130 | syntax-check-rules := $(sort $(shell sed -n 's/^\(sc_[a-zA-Z0-9_-]*\):.*/\1/p' \
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| 131 | $(srcdir)/$(ME) $(_cfg_mk)))
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| 132 | .PHONY: $(syntax-check-rules)
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| 133 |
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| 134 | ifeq ($(shell $(VC_LIST) >/dev/null 2>&1; echo $$?),0)
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| 135 | local-checks-available += $(syntax-check-rules)
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| 136 | else
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| 137 | local-checks-available += no-vc-detected
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| 138 | no-vc-detected:
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| 139 | @echo "No version control files detected; skipping syntax check"
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| 140 | endif
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| 141 | .PHONY: $(local-checks-available)
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| 142 |
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| 143 | # Arrange to print the name of each syntax-checking rule just before running it.
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| 144 | $(syntax-check-rules): %: %.m
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| 145 | sc_m_rules_ = $(patsubst %, %.m, $(syntax-check-rules))
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| 146 | .PHONY: $(sc_m_rules_)
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| 147 | $(sc_m_rules_):
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| 148 | @echo $(patsubst sc_%.m, %, $@)
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| 149 | @date +%s.%N > .sc-start-$(basename $@)
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| 150 |
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| 151 | # Compute and print the elapsed time for each syntax-check rule.
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| 152 | sc_z_rules_ = $(patsubst %, %.z, $(syntax-check-rules))
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| 153 | .PHONY: $(sc_z_rules_)
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| 154 | $(sc_z_rules_): %.z: %
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| 155 | @end=$$(date +%s.%N); \
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| 156 | start=$$(cat .sc-start-$*); \
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| 157 | rm -f .sc-start-$*; \
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| 158 | awk -v s=$$start -v e=$$end \
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| 159 | 'END {printf "%.2f $(patsubst sc_%,%,$*)\n", e - s}' < /dev/null
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| 160 |
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| 161 | # The patsubst here is to replace each sc_% rule with its sc_%.z wrapper
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| 162 | # that computes and prints elapsed time.
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| 163 | local-check := \
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| 164 | $(patsubst sc_%, sc_%.z, \
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| 165 | $(filter-out $(local-checks-to-skip), $(local-checks-available)))
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| 166 |
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| 167 | syntax-check: $(local-check)
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| 168 |
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| 169 | # _sc_search_regexp
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| 170 | #
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| 171 | # This macro searches for a given construct in the selected files and
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| 172 | # then takes some action.
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| 173 | #
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| 174 | # Parameters (shell variables):
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| 175 | #
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| 176 | # prohibit | require
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| 177 | #
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| 178 | # Regular expression (ERE) denoting either a forbidden construct
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| 179 | # or a required construct. Those arguments are exclusive.
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| 180 | #
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| 181 | # exclude
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| 182 | #
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| 183 | # Regular expression (ERE) denoting lines to ignore that matched
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| 184 | # a prohibit construct. For example, this can be used to exclude
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| 185 | # comments that mention why the nearby code uses an alternative
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| 186 | # construct instead of the simpler prohibited construct.
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| 187 | #
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| 188 | # in_vc_files | in_files
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| 189 | #
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| 190 | # grep-E-style regexp denoting the files to check. If no files
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| 191 | # are specified the default are all the files that are under
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| 192 | # version control.
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| 193 | #
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| 194 | # containing | non_containing
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| 195 | #
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| 196 | # Select the files (non) containing strings matching this regexp.
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| 197 | # If both arguments are specified then CONTAINING takes
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| 198 | # precedence.
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| 199 | #
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| 200 | # with_grep_options
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| 201 | #
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| 202 | # Extra options for grep.
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| 203 | #
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| 204 | # ignore_case
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| 205 | #
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| 206 | # Ignore case.
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| 207 | #
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| 208 | # halt
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| 209 | #
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| 210 | # Message to display before to halting execution.
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| 211 | #
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| 212 | # Finally, you may exempt files based on an ERE matching file names.
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| 213 | # For example, to exempt from the sc_space_tab check all files with the
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| 214 | # .diff suffix, set this Make variable:
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| 215 | #
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| 216 | # exclude_file_name_regexp--sc_space_tab = \.diff$
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| 217 | #
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| 218 | # Note that while this functionality is mostly inherited via VC_LIST_EXCEPT,
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| 219 | # when filtering by name via in_files, we explicitly filter out matching
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| 220 | # names here as well.
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| 221 |
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| 222 | # Initialize each, so that envvar settings cannot interfere.
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| 223 | export require =
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| 224 | export prohibit =
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| 225 | export exclude =
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| 226 | export in_vc_files =
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| 227 | export in_files =
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| 228 | export containing =
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| 229 | export non_containing =
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| 230 | export halt =
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| 231 | export with_grep_options =
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| 232 |
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| 233 | # By default, _sc_search_regexp does not ignore case.
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| 234 | export ignore_case =
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| 235 | _ignore_case = $$(test -n "$$ignore_case" && printf %s -i || :)
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| 236 |
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| 237 | define _sc_say_and_exit
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| 238 | dummy=; : so we do not need a semicolon before each use; \
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| 239 | { printf '%s\n' "$(ME): $$msg" 1>&2; exit 1; };
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| 240 | endef
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| 241 |
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| 242 | define _sc_search_regexp
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| 243 | dummy=; : so we do not need a semicolon before each use; \
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| 244 | \
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| 245 | : Check arguments; \
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| 246 | test -n "$$prohibit" && test -n "$$require" \
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| 247 | && { msg='Cannot specify both prohibit and require' \
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| 248 | $(_sc_say_and_exit) } || :; \
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| 249 | test -z "$$prohibit" && test -z "$$require" \
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| 250 | && { msg='Should specify either prohibit or require' \
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| 251 | $(_sc_say_and_exit) } || :; \
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| 252 | test -z "$$prohibit" && test -n "$$exclude" \
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| 253 | && { msg='Use of exclude requires a prohibit pattern' \
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| 254 | $(_sc_say_and_exit) } || :; \
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| 255 | test -n "$$in_vc_files" && test -n "$$in_files" \
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| 256 | && { msg='Cannot specify both in_vc_files and in_files' \
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| 257 | $(_sc_say_and_exit) } || :; \
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| 258 | test "x$$halt" != x \
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| 259 | || { msg='halt not defined' $(_sc_say_and_exit) }; \
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| 260 | \
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| 261 | : Filter by file name; \
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| 262 | if test -n "$$in_files"; then \
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| 263 | files=$$(find $(srcdir) | grep -E "$$in_files" \
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| 264 | | grep -Ev '$(exclude_file_name_regexp--$@)'); \
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| 265 | else \
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| 266 | files=$$($(VC_LIST_EXCEPT)); \
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| 267 | if test -n "$$in_vc_files"; then \
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| 268 | files=$$(echo "$$files" | grep -E "$$in_vc_files"); \
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| 269 | fi; \
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| 270 | fi; \
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| 271 | \
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| 272 | : Filter by content; \
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| 273 | test -n "$$files" && test -n "$$containing" \
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| 274 | && { files=$$(grep -l "$$containing" $$files); } || :; \
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| 275 | test -n "$$files" && test -n "$$non_containing" \
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| 276 | && { files=$$(grep -vl "$$non_containing" $$files); } || :; \
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| 277 | \
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| 278 | : Check for the construct; \
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| 279 | if test -n "$$files"; then \
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| 280 | if test -n "$$prohibit"; then \
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| 281 | grep $$with_grep_options $(_ignore_case) -nE "$$prohibit" $$files \
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| 282 | | grep -vE "$${exclude:-^$$}" \
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| 283 | && { msg="$$halt" $(_sc_say_and_exit) } || :; \
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| 284 | else \
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| 285 | grep $$with_grep_options $(_ignore_case) -LE "$$require" $$files \
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| 286 | | grep . \
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| 287 | && { msg="$$halt" $(_sc_say_and_exit) } || :; \
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| 288 | fi \
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| 289 | else :; \
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| 290 | fi || :;
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| 291 | endef
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| 292 |
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| 293 | sc_avoid_if_before_free:
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| 294 | @$(srcdir)/$(_build-aux)/useless-if-before-free \
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| 295 | $(useless_free_options) \
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| 296 | $$($(VC_LIST_EXCEPT) | grep -v useless-if-before-free) && \
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| 297 | { echo '$(ME): found useless "if" before "free" above' 1>&2; \
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| 298 | exit 1; } || :
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| 299 |
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| 300 | sc_cast_of_argument_to_free:
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| 301 | @prohibit='\<free *\( *\(' halt="don't cast free argument" \
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| 302 | $(_sc_search_regexp)
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| 303 |
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| 304 | sc_cast_of_x_alloc_return_value:
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| 305 | @prohibit='\*\) *x(m|c|re)alloc\>' \
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| 306 | halt="don't cast x*alloc return value" \
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| 307 | $(_sc_search_regexp)
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| 308 |
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| 309 | sc_cast_of_alloca_return_value:
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| 310 | @prohibit='\*\) *alloca\>' \
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| 311 | halt="don't cast alloca return value" \
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| 312 | $(_sc_search_regexp)
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| 313 |
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| 314 | sc_space_tab:
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| 315 | @prohibit='[ ] ' \
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| 316 | halt='found SPACE-TAB sequence; remove the SPACE' \
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| 317 | $(_sc_search_regexp)
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| 318 |
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| 319 | # Don't use *scanf or the old ato* functions in "real" code.
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| 320 | # They provide no error checking mechanism.
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| 321 | # Instead, use strto* functions.
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| 322 | sc_prohibit_atoi_atof:
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| 323 | @prohibit='\<([fs]?scanf|ato([filq]|ll)) *\(' \
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| 324 | halt='do not use *scan''f, ato''f, ato''i, ato''l, ato''ll or ato''q' \
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| 325 | $(_sc_search_regexp)
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| 326 |
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| 327 | # Use STREQ rather than comparing strcmp == 0, or != 0.
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| 328 | sp_ = strcmp *\(.+\)
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| 329 | sc_prohibit_strcmp:
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| 330 | @prohibit='! *strcmp *\(|\<$(sp_) *[!=]=|[!=]= *$(sp_)' \
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| 331 | exclude=':# *define STRN?EQ\(' \
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| 332 | halt='$(ME): replace strcmp calls above with STREQ/STRNEQ' \
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| 333 | $(_sc_search_regexp)
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| 334 |
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| 335 | # Pass EXIT_*, not number, to usage, exit, and error (when exiting)
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| 336 | # Convert all uses automatically, via these two commands:
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| 337 | # git grep -l '\<exit *(1)' \
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| 338 | # | grep -vEf .x-sc_prohibit_magic_number_exit \
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| 339 | # | xargs --no-run-if-empty \
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| 340 | # perl -pi -e 's/(^|[^.])\b(exit ?)\(1\)/$1$2(EXIT_FAILURE)/'
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| 341 | # git grep -l '\<exit *(0)' \
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| 342 | # | grep -vEf .x-sc_prohibit_magic_number_exit \
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| 343 | # | xargs --no-run-if-empty \
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| 344 | # perl -pi -e 's/(^|[^.])\b(exit ?)\(0\)/$1$2(EXIT_SUCCESS)/'
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| 345 | sc_prohibit_magic_number_exit:
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| 346 | @prohibit='(^|[^.])\<(usage|exit) ?\([0-9]|\<error ?\([1-9][0-9]*,' \
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| 347 | halt='use EXIT_* values rather than magic number' \
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| 348 | $(_sc_search_regexp)
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| 349 |
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| 350 | # Using EXIT_SUCCESS as the first argument to error is misleading,
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| 351 | # since when that parameter is 0, error does not exit. Use '0' instead.
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| 352 | sc_error_exit_success:
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| 353 | @prohibit='error *\(EXIT_SUCCESS,' \
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| 354 | in_vc_files='\.[chly]$$' \
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| 355 | halt='found error (EXIT_SUCCESS' \
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| 356 | $(_sc_search_regexp)
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| 357 |
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| 358 | # "FATAL:" should be fully upper-cased in error messages
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| 359 | # "WARNING:" should be fully upper-cased, or fully lower-cased
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| 360 | sc_error_message_warn_fatal:
|
|---|
| 361 | @grep -nEA2 '[^rp]error *\(' $$($(VC_LIST_EXCEPT)) \
|
|---|
| 362 | | grep -E '"Warning|"Fatal|"fatal' && \
|
|---|
| 363 | { echo '$(ME): use FATAL, WARNING or warning' 1>&2; \
|
|---|
| 364 | exit 1; } || :
|
|---|
| 365 |
|
|---|
| 366 | # Error messages should not start with a capital letter
|
|---|
| 367 | sc_error_message_uppercase:
|
|---|
| 368 | @grep -nEA2 '[^rp]error *\(' $$($(VC_LIST_EXCEPT)) \
|
|---|
| 369 | | grep -E '"[A-Z]' \
|
|---|
| 370 | | grep -vE '"FATAL|"WARNING|"Java|"C#|PRIuMAX' && \
|
|---|
| 371 | { echo '$(ME): found capitalized error message' 1>&2; \
|
|---|
| 372 | exit 1; } || :
|
|---|
| 373 |
|
|---|
| 374 | # Error messages should not end with a period
|
|---|
| 375 | sc_error_message_period:
|
|---|
| 376 | @grep -nEA2 '[^rp]error *\(' $$($(VC_LIST_EXCEPT)) \
|
|---|
| 377 | | grep -E '[^."]\."' && \
|
|---|
| 378 | { echo '$(ME): found error message ending in period' 1>&2; \
|
|---|
| 379 | exit 1; } || :
|
|---|
| 380 |
|
|---|
| 381 | sc_file_system:
|
|---|
| 382 | @prohibit=file''system \
|
|---|
| 383 | ignore_case=1 \
|
|---|
| 384 | halt='found use of "file''system"; spell it "file system"' \
|
|---|
| 385 | $(_sc_search_regexp)
|
|---|
| 386 |
|
|---|
| 387 | # Don't use cpp tests of this symbol. All code assumes config.h is included.
|
|---|
| 388 | sc_prohibit_have_config_h:
|
|---|
| 389 | @prohibit='^# *if.*HAVE''_CONFIG_H' \
|
|---|
| 390 | halt='found use of HAVE''_CONFIG_H; remove' \
|
|---|
| 391 | $(_sc_search_regexp)
|
|---|
| 392 |
|
|---|
| 393 | # Nearly all .c files must include <config.h>. However, we also permit this
|
|---|
| 394 | # via inclusion of a package-specific header, if cfg.mk specified one.
|
|---|
| 395 | # config_h_header must be suitable for grep -E.
|
|---|
| 396 | config_h_header ?= <config\.h>
|
|---|
| 397 | sc_require_config_h:
|
|---|
| 398 | @require='^# *include $(config_h_header)' \
|
|---|
| 399 | in_vc_files='\.c$$' \
|
|---|
| 400 | halt='the above files do not include <config.h>' \
|
|---|
| 401 | $(_sc_search_regexp)
|
|---|
| 402 |
|
|---|
| 403 | # You must include <config.h> before including any other header file.
|
|---|
| 404 | # This can possibly be via a package-specific header, if given by cfg.mk.
|
|---|
| 405 | sc_require_config_h_first:
|
|---|
| 406 | @if $(VC_LIST_EXCEPT) | grep -l '\.c$$' > /dev/null; then \
|
|---|
| 407 | fail=0; \
|
|---|
| 408 | for i in $$($(VC_LIST_EXCEPT) | grep '\.c$$'); do \
|
|---|
| 409 | grep '^# *include\>' $$i | sed 1q \
|
|---|
| 410 | | grep -E '^# *include $(config_h_header)' > /dev/null \
|
|---|
| 411 | || { echo $$i; fail=1; }; \
|
|---|
| 412 | done; \
|
|---|
| 413 | test $$fail = 1 && \
|
|---|
| 414 | { echo '$(ME): the above files include some other header' \
|
|---|
| 415 | 'before <config.h>' 1>&2; exit 1; } || :; \
|
|---|
| 416 | else :; \
|
|---|
| 417 | fi
|
|---|
| 418 |
|
|---|
| 419 | sc_prohibit_HAVE_MBRTOWC:
|
|---|
| 420 | @prohibit='\bHAVE_MBRTOWC\b' \
|
|---|
| 421 | halt="do not use $$prohibit; it is always defined" \
|
|---|
| 422 | $(_sc_search_regexp)
|
|---|
| 423 |
|
|---|
| 424 | # To use this "command" macro, you must first define two shell variables:
|
|---|
| 425 | # h: the header name, with no enclosing <> or ""
|
|---|
| 426 | # re: a regular expression that matches IFF something provided by $h is used.
|
|---|
| 427 | define _sc_header_without_use
|
|---|
| 428 | dummy=; : so we do not need a semicolon before each use; \
|
|---|
| 429 | h_esc=`echo '[<"]'"$$h"'[">]'|sed 's/\./\\\\./g'`; \
|
|---|
| 430 | if $(VC_LIST_EXCEPT) | grep -l '\.c$$' > /dev/null; then \
|
|---|
| 431 | files=$$(grep -l '^# *include '"$$h_esc" \
|
|---|
| 432 | $$($(VC_LIST_EXCEPT) | grep '\.c$$')) && \
|
|---|
| 433 | grep -LE "$$re" $$files | grep . && \
|
|---|
| 434 | { echo "$(ME): the above files include $$h but don't use it" \
|
|---|
| 435 | 1>&2; exit 1; } || :; \
|
|---|
| 436 | else :; \
|
|---|
| 437 | fi
|
|---|
| 438 | endef
|
|---|
| 439 |
|
|---|
| 440 | # Prohibit the inclusion of assert.h without an actual use of assert.
|
|---|
| 441 | sc_prohibit_assert_without_use:
|
|---|
| 442 | @h='assert.h' re='\<assert *\(' $(_sc_header_without_use)
|
|---|
| 443 |
|
|---|
| 444 | # Prohibit the inclusion of close-stream.h without an actual use.
|
|---|
| 445 | sc_prohibit_close_stream_without_use:
|
|---|
| 446 | @h='close-stream.h' re='\<close_stream *\(' $(_sc_header_without_use)
|
|---|
| 447 |
|
|---|
| 448 | # Prohibit the inclusion of getopt.h without an actual use.
|
|---|
| 449 | sc_prohibit_getopt_without_use:
|
|---|
| 450 | @h='getopt.h' re='\<getopt(_long)? *\(' $(_sc_header_without_use)
|
|---|
| 451 |
|
|---|
| 452 | # Don't include quotearg.h unless you use one of its functions.
|
|---|
| 453 | sc_prohibit_quotearg_without_use:
|
|---|
| 454 | @h='quotearg.h' re='\<quotearg(_[^ ]+)? *\(' $(_sc_header_without_use)
|
|---|
| 455 |
|
|---|
| 456 | # Don't include quote.h unless you use one of its functions.
|
|---|
| 457 | sc_prohibit_quote_without_use:
|
|---|
| 458 | @h='quote.h' re='\<quote((_n)? *\(|_quoting_options\>)' \
|
|---|
| 459 | $(_sc_header_without_use)
|
|---|
| 460 |
|
|---|
| 461 | # Don't include this header unless you use one of its functions.
|
|---|
| 462 | sc_prohibit_long_options_without_use:
|
|---|
| 463 | @h='long-options.h' re='\<parse_long_options *\(' \
|
|---|
| 464 | $(_sc_header_without_use)
|
|---|
| 465 |
|
|---|
| 466 | # Don't include this header unless you use one of its functions.
|
|---|
| 467 | sc_prohibit_inttostr_without_use:
|
|---|
| 468 | @h='inttostr.h' re='\<(off|[iu]max|uint)tostr *\(' \
|
|---|
| 469 | $(_sc_header_without_use)
|
|---|
| 470 |
|
|---|
| 471 | # Don't include this header unless you use one of its functions.
|
|---|
| 472 | sc_prohibit_ignore_value_without_use:
|
|---|
| 473 | @h='ignore-value.h' re='\<ignore_(value|ptr) *\(' \
|
|---|
| 474 | $(_sc_header_without_use)
|
|---|
| 475 |
|
|---|
| 476 | # Don't include this header unless you use one of its functions.
|
|---|
| 477 | sc_prohibit_error_without_use:
|
|---|
| 478 | @h='error.h' \
|
|---|
| 479 | re='\<error(_at_line|_print_progname|_one_per_line|_message_count)? *\('\
|
|---|
| 480 | $(_sc_header_without_use)
|
|---|
| 481 |
|
|---|
| 482 | # Don't include xalloc.h unless you use one of its functions.
|
|---|
| 483 | # Consider these symbols:
|
|---|
| 484 | # perl -lne '/^# *define (\w+)\(/ and print $1' lib/xalloc.h|grep -v '^__';
|
|---|
| 485 | # perl -lne '/^(?:extern )?(?:void|char) \*?(\w+) *\(/ and print $1' lib/xalloc.h
|
|---|
| 486 | # Divide into two sets on case, and filter each through this:
|
|---|
| 487 | # | sort | perl -MRegexp::Assemble -le \
|
|---|
| 488 | # 'print Regexp::Assemble->new(file => "/dev/stdin")->as_string'|sed 's/\?://g'
|
|---|
| 489 | # Note this was produced by the above:
|
|---|
| 490 | # _xa1 = \
|
|---|
| 491 | #x(((2n?)?re|c(har)?|n(re|m)|z)alloc|alloc_(oversized|die)|m(alloc|emdup)|strdup)
|
|---|
| 492 | # But we can do better, in at least two ways:
|
|---|
| 493 | # 1) take advantage of two "dup"-suffixed strings:
|
|---|
| 494 | # x(((2n?)?re|c(har)?|n(re|m)|[mz])alloc|alloc_(oversized|die)|(mem|str)dup)
|
|---|
| 495 | # 2) notice that "c(har)?|[mz]" is equivalent to the shorter and more readable
|
|---|
| 496 | # "char|[cmz]"
|
|---|
| 497 | # x(((2n?)?re|char|n(re|m)|[cmz])alloc|alloc_(oversized|die)|(mem|str)dup)
|
|---|
| 498 | _xa1 = x(((2n?)?re|char|n(re|m)|[cmz])alloc|alloc_(oversized|die)|(mem|str)dup)
|
|---|
| 499 | _xa2 = X([CZ]|N?M)ALLOC
|
|---|
| 500 | sc_prohibit_xalloc_without_use:
|
|---|
| 501 | @h='xalloc.h' \
|
|---|
| 502 | re='\<($(_xa1)|$(_xa2)) *\('\
|
|---|
| 503 | $(_sc_header_without_use)
|
|---|
| 504 |
|
|---|
| 505 | # Extract function names:
|
|---|
| 506 | # perl -lne '/^(?:extern )?(?:void|char) \*?(\w+) *\(/ and print $1' lib/hash.h
|
|---|
| 507 | _hash_re = \
|
|---|
| 508 | clear|delete|free|get_(first|next)|insert|lookup|print_statistics|reset_tuning
|
|---|
| 509 | _hash_fn = \<($(_hash_re)) *\(
|
|---|
| 510 | _hash_struct = (struct )?\<[Hh]ash_(table|tuning)\>
|
|---|
| 511 | sc_prohibit_hash_without_use:
|
|---|
| 512 | @h='hash.h' \
|
|---|
| 513 | re='$(_hash_fn)|$(_hash_struct)'\
|
|---|
| 514 | $(_sc_header_without_use)
|
|---|
| 515 |
|
|---|
| 516 | sc_prohibit_cloexec_without_use:
|
|---|
| 517 | @h='cloexec.h' re='\<(set_cloexec_flag|dup_cloexec) *\(' \
|
|---|
| 518 | $(_sc_header_without_use)
|
|---|
| 519 |
|
|---|
| 520 | sc_prohibit_posixver_without_use:
|
|---|
| 521 | @h='posixver.h' re='\<posix2_version *\(' $(_sc_header_without_use)
|
|---|
| 522 |
|
|---|
| 523 | sc_prohibit_same_without_use:
|
|---|
| 524 | @h='same.h' re='\<same_name *\(' $(_sc_header_without_use)
|
|---|
| 525 |
|
|---|
| 526 | sc_prohibit_hash_pjw_without_use:
|
|---|
| 527 | @h='hash-pjw.h' \
|
|---|
| 528 | re='\<hash_pjw\>' \
|
|---|
| 529 | $(_sc_header_without_use)
|
|---|
| 530 |
|
|---|
| 531 | sc_prohibit_safe_read_without_use:
|
|---|
| 532 | @h='safe-read.h' re='(\<SAFE_READ_ERROR\>|\<safe_read *\()' \
|
|---|
| 533 | $(_sc_header_without_use)
|
|---|
| 534 |
|
|---|
| 535 | sc_prohibit_argmatch_without_use:
|
|---|
| 536 | @h='argmatch.h' \
|
|---|
| 537 | re='(\<(ARRAY_CARDINALITY|X?ARGMATCH(|_TO_ARGUMENT|_VERIFY))\>|\<(invalid_arg|argmatch(_exit_fn|_(in)?valid)?) *\()' \
|
|---|
| 538 | $(_sc_header_without_use)
|
|---|
| 539 |
|
|---|
| 540 | sc_prohibit_canonicalize_without_use:
|
|---|
| 541 | @h='canonicalize.h' \
|
|---|
| 542 | re='CAN_(EXISTING|ALL_BUT_LAST|MISSING)|canonicalize_(mode_t|filename_mode|file_name)' \
|
|---|
| 543 | $(_sc_header_without_use)
|
|---|
| 544 |
|
|---|
| 545 | sc_prohibit_root_dev_ino_without_use:
|
|---|
| 546 | @h='root-dev-ino.h' \
|
|---|
| 547 | re='(\<ROOT_DEV_INO_(CHECK|WARN)\>|\<get_root_dev_ino *\()' \
|
|---|
| 548 | $(_sc_header_without_use)
|
|---|
| 549 |
|
|---|
| 550 | sc_prohibit_openat_without_use:
|
|---|
| 551 | @h='openat.h' \
|
|---|
| 552 | re='\<(openat_(permissive|needs_fchdir|(save|restore)_fail)|l?(stat|ch(own|mod))at|(euid)?accessat)\>' \
|
|---|
| 553 | $(_sc_header_without_use)
|
|---|
| 554 |
|
|---|
| 555 | # Prohibit the inclusion of c-ctype.h without an actual use.
|
|---|
| 556 | ctype_re = isalnum|isalpha|isascii|isblank|iscntrl|isdigit|isgraph|islower\
|
|---|
| 557 | |isprint|ispunct|isspace|isupper|isxdigit|tolower|toupper
|
|---|
| 558 | sc_prohibit_c_ctype_without_use:
|
|---|
| 559 | @h='c-ctype.h' re='\<c_($(ctype_re)) *\(' \
|
|---|
| 560 | $(_sc_header_without_use)
|
|---|
| 561 |
|
|---|
| 562 | _empty =
|
|---|
| 563 | _sp = $(_empty) $(_empty)
|
|---|
| 564 | # The following list was generated by running:
|
|---|
| 565 | # man signal.h|col -b|perl -ne '/bsd_signal.*;/.../sigwaitinfo.*;/ and print' \
|
|---|
| 566 | # | perl -lne '/^\s+(?:int|void).*?(\w+).*/ and print $1' | fmt
|
|---|
| 567 | _sig_functions = \
|
|---|
| 568 | bsd_signal kill killpg pthread_kill pthread_sigmask raise sigaction \
|
|---|
| 569 | sigaddset sigaltstack sigdelset sigemptyset sigfillset sighold sigignore \
|
|---|
| 570 | siginterrupt sigismember signal sigpause sigpending sigprocmask sigqueue \
|
|---|
| 571 | sigrelse sigset sigsuspend sigtimedwait sigwait sigwaitinfo
|
|---|
| 572 | _sig_function_re = $(subst $(_sp),|,$(strip $(_sig_functions)))
|
|---|
| 573 | # The following were extracted from "man signal.h" manually.
|
|---|
| 574 | _sig_types_and_consts = \
|
|---|
| 575 | MINSIGSTKSZ SA_NOCLDSTOP SA_NOCLDWAIT SA_NODEFER SA_ONSTACK \
|
|---|
| 576 | SA_RESETHAND SA_RESTART SA_SIGINFO SIGEV_NONE SIGEV_SIGNAL \
|
|---|
| 577 | SIGEV_THREAD SIGSTKSZ SIG_BLOCK SIG_SETMASK SIG_UNBLOCK SS_DISABLE \
|
|---|
| 578 | SS_ONSTACK mcontext_t pid_t sig_atomic_t sigevent siginfo_t sigset_t \
|
|---|
| 579 | sigstack sigval stack_t ucontext_t
|
|---|
| 580 | # generated via this:
|
|---|
| 581 | # perl -lne '/^#ifdef (SIG\w+)/ and print $1' lib/sig2str.c|sort -u|fmt -70
|
|---|
| 582 | _sig_names = \
|
|---|
| 583 | SIGABRT SIGALRM SIGALRM1 SIGBUS SIGCANCEL SIGCHLD SIGCLD SIGCONT \
|
|---|
| 584 | SIGDANGER SIGDIL SIGEMT SIGFPE SIGFREEZE SIGGRANT SIGHUP SIGILL \
|
|---|
| 585 | SIGINFO SIGINT SIGIO SIGIOT SIGKAP SIGKILL SIGKILLTHR SIGLOST SIGLWP \
|
|---|
| 586 | SIGMIGRATE SIGMSG SIGPHONE SIGPIPE SIGPOLL SIGPRE SIGPROF SIGPWR \
|
|---|
| 587 | SIGQUIT SIGRETRACT SIGSAK SIGSEGV SIGSOUND SIGSTKFLT SIGSTOP SIGSYS \
|
|---|
| 588 | SIGTERM SIGTHAW SIGTRAP SIGTSTP SIGTTIN SIGTTOU SIGURG SIGUSR1 \
|
|---|
| 589 | SIGUSR2 SIGVIRT SIGVTALRM SIGWAITING SIGWINCH SIGWIND SIGWINDOW \
|
|---|
| 590 | SIGXCPU SIGXFSZ
|
|---|
| 591 | _sig_syms_re = $(subst $(_sp),|,$(strip $(_sig_names) $(_sig_types_and_consts)))
|
|---|
| 592 |
|
|---|
| 593 | # Prohibit the inclusion of signal.h without an actual use.
|
|---|
| 594 | sc_prohibit_signal_without_use:
|
|---|
| 595 | @h='signal.h' \
|
|---|
| 596 | re='\<($(_sig_function_re)) *\(|\<($(_sig_syms_re))\>' \
|
|---|
| 597 | $(_sc_header_without_use)
|
|---|
| 598 |
|
|---|
| 599 | # Don't include stdio--.h unless you use one of its functions.
|
|---|
| 600 | sc_prohibit_stdio--_without_use:
|
|---|
| 601 | @h='stdio--.h' re='\<((f(re)?|p)open|tmpfile) *\(' \
|
|---|
| 602 | $(_sc_header_without_use)
|
|---|
| 603 |
|
|---|
| 604 | # Don't include stdio-safer.h unless you use one of its functions.
|
|---|
| 605 | sc_prohibit_stdio-safer_without_use:
|
|---|
| 606 | @h='stdio-safer.h' re='\<((f(re)?|p)open|tmpfile)_safer *\(' \
|
|---|
| 607 | $(_sc_header_without_use)
|
|---|
| 608 |
|
|---|
| 609 | # Prohibit the inclusion of strings.h without a sensible use.
|
|---|
| 610 | # Using the likes of bcmp, bcopy, bzero, index or rindex is not sensible.
|
|---|
| 611 | sc_prohibit_strings_without_use:
|
|---|
| 612 | @h='strings.h' \
|
|---|
| 613 | re='\<(strn?casecmp|ffs(ll)?)\>' \
|
|---|
| 614 | $(_sc_header_without_use)
|
|---|
| 615 |
|
|---|
| 616 | # Get the list of symbol names with this:
|
|---|
| 617 | # perl -lne '/^# *define ([A-Z]\w+)\(/ and print $1' lib/intprops.h|fmt
|
|---|
| 618 | _intprops_names = \
|
|---|
| 619 | TYPE_IS_INTEGER TYPE_TWOS_COMPLEMENT TYPE_ONES_COMPLEMENT \
|
|---|
| 620 | TYPE_SIGNED_MAGNITUDE TYPE_SIGNED TYPE_MINIMUM TYPE_MAXIMUM \
|
|---|
| 621 | INT_BITS_STRLEN_BOUND INT_STRLEN_BOUND INT_BUFSIZE_BOUND \
|
|---|
| 622 | INT_ADD_RANGE_OVERFLOW INT_SUBTRACT_RANGE_OVERFLOW \
|
|---|
| 623 | INT_NEGATE_RANGE_OVERFLOW INT_MULTIPLY_RANGE_OVERFLOW \
|
|---|
| 624 | INT_DIVIDE_RANGE_OVERFLOW INT_REMAINDER_RANGE_OVERFLOW \
|
|---|
| 625 | INT_LEFT_SHIFT_RANGE_OVERFLOW INT_ADD_OVERFLOW INT_SUBTRACT_OVERFLOW \
|
|---|
| 626 | INT_NEGATE_OVERFLOW INT_MULTIPLY_OVERFLOW INT_DIVIDE_OVERFLOW \
|
|---|
| 627 | INT_REMAINDER_OVERFLOW INT_LEFT_SHIFT_OVERFLOW
|
|---|
| 628 | _intprops_syms_re = $(subst $(_sp),|,$(strip $(_intprops_names)))
|
|---|
| 629 | # Prohibit the inclusion of intprops.h without an actual use.
|
|---|
| 630 | sc_prohibit_intprops_without_use:
|
|---|
| 631 | @h='intprops.h' \
|
|---|
| 632 | re='\<($(_intprops_syms_re)) *\(' \
|
|---|
| 633 | $(_sc_header_without_use)
|
|---|
| 634 |
|
|---|
| 635 | _stddef_syms_re = NULL|offsetof|ptrdiff_t|size_t|wchar_t
|
|---|
| 636 | # Prohibit the inclusion of stddef.h without an actual use.
|
|---|
| 637 | sc_prohibit_stddef_without_use:
|
|---|
| 638 | @h='stddef.h' \
|
|---|
| 639 | re='\<($(_stddef_syms_re))\>' \
|
|---|
| 640 | $(_sc_header_without_use)
|
|---|
| 641 |
|
|---|
| 642 | _de1 = dirfd|(close|(fd)?open|read|rewind|seek|tell)dir(64)?(_r)?
|
|---|
| 643 | _de2 = (versionsort|struct dirent|getdirentries|alphasort|scandir(at)?)(64)?
|
|---|
| 644 | _de3 = MAXNAMLEN|DIR|ino_t|d_ino|d_fileno|d_namlen
|
|---|
| 645 | _dirent_syms_re = $(_de1)|$(_de2)|$(_de3)
|
|---|
| 646 | # Prohibit the inclusion of dirent.h without an actual use.
|
|---|
| 647 | sc_prohibit_dirent_without_use:
|
|---|
| 648 | @h='dirent.h' \
|
|---|
| 649 | re='\<($(_dirent_syms_re))\>' \
|
|---|
| 650 | $(_sc_header_without_use)
|
|---|
| 651 |
|
|---|
| 652 | # Prohibit the inclusion of verify.h without an actual use.
|
|---|
| 653 | sc_prohibit_verify_without_use:
|
|---|
| 654 | @h='verify.h' \
|
|---|
| 655 | re='\<(verify(true|expr)?|static_assert) *\(' \
|
|---|
| 656 | $(_sc_header_without_use)
|
|---|
| 657 |
|
|---|
| 658 | # Don't include xfreopen.h unless you use one of its functions.
|
|---|
| 659 | sc_prohibit_xfreopen_without_use:
|
|---|
| 660 | @h='xfreopen.h' re='\<xfreopen *\(' $(_sc_header_without_use)
|
|---|
| 661 |
|
|---|
| 662 | sc_obsolete_symbols:
|
|---|
| 663 | @prohibit='\<(HAVE''_FCNTL_H|O''_NDELAY)\>' \
|
|---|
| 664 | halt='do not use HAVE''_FCNTL_H or O'_NDELAY \
|
|---|
| 665 | $(_sc_search_regexp)
|
|---|
| 666 |
|
|---|
| 667 | # FIXME: warn about definitions of EXIT_FAILURE, EXIT_SUCCESS, STREQ
|
|---|
| 668 |
|
|---|
| 669 | # Each nonempty ChangeLog line must start with a year number, or a TAB.
|
|---|
| 670 | sc_changelog:
|
|---|
| 671 | @prohibit='^[^12 ]' \
|
|---|
| 672 | in_vc_files='^ChangeLog$$' \
|
|---|
| 673 | halt='found unexpected prefix in a ChangeLog' \
|
|---|
| 674 | $(_sc_search_regexp)
|
|---|
| 675 |
|
|---|
| 676 | # Ensure that each .c file containing a "main" function also
|
|---|
| 677 | # calls set_program_name.
|
|---|
| 678 | sc_program_name:
|
|---|
| 679 | @require='set_program_name *\(m?argv\[0\]\);' \
|
|---|
| 680 | in_vc_files='\.c$$' \
|
|---|
| 681 | containing='\<main *(' \
|
|---|
| 682 | halt='the above files do not call set_program_name' \
|
|---|
| 683 | $(_sc_search_regexp)
|
|---|
| 684 |
|
|---|
| 685 | # Ensure that each .c file containing a "main" function also
|
|---|
| 686 | # calls bindtextdomain.
|
|---|
| 687 | sc_bindtextdomain:
|
|---|
| 688 | @require='bindtextdomain *\(' \
|
|---|
| 689 | in_vc_files='\.c$$' \
|
|---|
| 690 | containing='\<main *(' \
|
|---|
| 691 | halt='the above files do not call bindtextdomain' \
|
|---|
| 692 | $(_sc_search_regexp)
|
|---|
| 693 |
|
|---|
| 694 | # Require that the final line of each test-lib.sh-using test be this one:
|
|---|
| 695 | # Exit $fail
|
|---|
| 696 | # Note: this test requires GNU grep's --label= option.
|
|---|
| 697 | Exit_witness_file ?= tests/test-lib.sh
|
|---|
| 698 | Exit_base := $(notdir $(Exit_witness_file))
|
|---|
| 699 | sc_require_test_exit_idiom:
|
|---|
| 700 | @if test -f $(srcdir)/$(Exit_witness_file); then \
|
|---|
| 701 | die=0; \
|
|---|
| 702 | for i in $$(grep -l -F 'srcdir/$(Exit_base)' \
|
|---|
| 703 | $$($(VC_LIST) tests)); do \
|
|---|
| 704 | tail -n1 $$i | grep '^Exit .' > /dev/null \
|
|---|
| 705 | && : || { die=1; echo $$i; } \
|
|---|
| 706 | done; \
|
|---|
| 707 | test $$die = 1 && \
|
|---|
| 708 | { echo 1>&2 '$(ME): the final line in each of the above is not:'; \
|
|---|
| 709 | echo 1>&2 'Exit something'; \
|
|---|
| 710 | exit 1; } || :; \
|
|---|
| 711 | fi
|
|---|
| 712 |
|
|---|
| 713 | sc_trailing_blank:
|
|---|
| 714 | @prohibit='[ ]$$' \
|
|---|
| 715 | halt='found trailing blank(s)' \
|
|---|
| 716 | $(_sc_search_regexp)
|
|---|
| 717 |
|
|---|
| 718 | # Match lines like the following, but where there is only one space
|
|---|
| 719 | # between the options and the description:
|
|---|
| 720 | # -D, --all-repeated[=delimit-method] print all duplicate lines\n
|
|---|
| 721 | longopt_re = --[a-z][0-9A-Za-z-]*(\[?=[0-9A-Za-z-]*\]?)?
|
|---|
| 722 | sc_two_space_separator_in_usage:
|
|---|
| 723 | @prohibit='^ *(-[A-Za-z],)? $(longopt_re) [^ ].*\\$$' \
|
|---|
| 724 | halt='help2man requires at least two spaces between an option and its description'\
|
|---|
| 725 | $(_sc_search_regexp)
|
|---|
| 726 |
|
|---|
| 727 | # A regexp matching function names like "error" that may be used
|
|---|
| 728 | # to emit translatable messages.
|
|---|
| 729 | _gl_translatable_diag_func_re ?= error
|
|---|
| 730 |
|
|---|
| 731 | # Look for diagnostics that aren't marked for translation.
|
|---|
| 732 | # This won't find any for which error's format string is on a separate line.
|
|---|
| 733 | sc_unmarked_diagnostics:
|
|---|
| 734 | @prohibit='\<$(_gl_translatable_diag_func_re) *\([^"]*"[^"]*[a-z]{3}' \
|
|---|
| 735 | exclude='(_|ngettext ?)\(' \
|
|---|
| 736 | halt='$(ME): found unmarked diagnostic(s)' \
|
|---|
| 737 | $(_sc_search_regexp)
|
|---|
| 738 |
|
|---|
| 739 | # Avoid useless parentheses like those in this example:
|
|---|
| 740 | # #if defined (SYMBOL) || defined (SYM2)
|
|---|
| 741 | sc_useless_cpp_parens:
|
|---|
| 742 | @prohibit='^# *if .*defined *\(' \
|
|---|
| 743 | halt='found useless parentheses in cpp directive' \
|
|---|
| 744 | $(_sc_search_regexp)
|
|---|
| 745 |
|
|---|
| 746 | # List headers for which HAVE_HEADER_H is always true, assuming you are
|
|---|
| 747 | # using the appropriate gnulib module. CAUTION: for each "unnecessary"
|
|---|
| 748 | # #if HAVE_HEADER_H that you remove, be sure that your project explicitly
|
|---|
| 749 | # requires the gnulib module that guarantees the usability of that header.
|
|---|
| 750 | gl_assured_headers_ = \
|
|---|
| 751 | cd $(gnulib_dir)/lib && echo *.in.h|sed 's/\.in\.h//g'
|
|---|
| 752 |
|
|---|
| 753 | # Convert the list of names to upper case, and replace each space with "|".
|
|---|
| 754 | az_ = abcdefghijklmnopqrstuvwxyz
|
|---|
| 755 | AZ_ = ABCDEFGHIJKLMNOPQRSTUVWXYZ
|
|---|
| 756 | gl_header_upper_case_or_ = \
|
|---|
| 757 | $$($(gl_assured_headers_) \
|
|---|
| 758 | | tr $(az_)/.- $(AZ_)___ \
|
|---|
| 759 | | tr -s ' ' '|' \
|
|---|
| 760 | )
|
|---|
| 761 | sc_prohibit_always_true_header_tests:
|
|---|
| 762 | @or=$(gl_header_upper_case_or_); \
|
|---|
| 763 | re="HAVE_($$or)_H"; \
|
|---|
| 764 | prohibit='\<'"$$re"'\>' \
|
|---|
| 765 | halt=$$(printf '%s\n' \
|
|---|
| 766 | 'do not test the above HAVE_<header>_H symbol(s);' \
|
|---|
| 767 | ' with the corresponding gnulib module, they are always true') \
|
|---|
| 768 | $(_sc_search_regexp)
|
|---|
| 769 |
|
|---|
| 770 | # ==================================================================
|
|---|
| 771 | gl_other_headers_ ?= \
|
|---|
| 772 | intprops.h \
|
|---|
| 773 | openat.h \
|
|---|
| 774 | stat-macros.h
|
|---|
| 775 |
|
|---|
| 776 | # Perl -lne code to extract "significant" cpp-defined symbols from a
|
|---|
| 777 | # gnulib header file, eliminating a few common false-positives.
|
|---|
| 778 | # The exempted names below are defined only conditionally in gnulib,
|
|---|
| 779 | # and hence sometimes must/may be defined in application code.
|
|---|
| 780 | gl_extract_significant_defines_ = \
|
|---|
| 781 | /^\# *define ([^_ (][^ (]*)(\s*\(|\s+\w+)/\
|
|---|
| 782 | && $$2 !~ /(?:rpl_|_used_without_)/\
|
|---|
| 783 | && $$1 !~ /^(?:NSIG|ENODATA)$$/\
|
|---|
| 784 | && $$1 !~ /^(?:SA_RESETHAND|SA_RESTART)$$/\
|
|---|
| 785 | and print $$1
|
|---|
| 786 |
|
|---|
| 787 | # Create a list of regular expressions matching the names
|
|---|
| 788 | # of macros that are guaranteed to be defined by parts of gnulib.
|
|---|
| 789 | define def_sym_regex
|
|---|
| 790 | gen_h=$(gl_generated_headers_); \
|
|---|
| 791 | (cd $(gnulib_dir)/lib; \
|
|---|
| 792 | for f in *.in.h $(gl_other_headers_); do \
|
|---|
| 793 | test -f $$f \
|
|---|
| 794 | && perl -lne '$(gl_extract_significant_defines_)' $$f; \
|
|---|
| 795 | done; \
|
|---|
| 796 | ) | sort -u \
|
|---|
| 797 | | sed 's/^/^ *# *(define|undef) */;s/$$/\\>/'
|
|---|
| 798 | endef
|
|---|
| 799 |
|
|---|
| 800 | # Don't define macros that we already get from gnulib header files.
|
|---|
| 801 | sc_prohibit_always-defined_macros:
|
|---|
| 802 | @if test -d $(gnulib_dir); then \
|
|---|
| 803 | case $$(echo all: | grep -l -f - Makefile) in Makefile);; *) \
|
|---|
| 804 | echo '$(ME): skipping $@: you lack GNU grep' 1>&2; exit 0;; \
|
|---|
| 805 | esac; \
|
|---|
| 806 | $(def_sym_regex) | grep -E -f - $$($(VC_LIST_EXCEPT)) \
|
|---|
| 807 | && { echo '$(ME): define the above via some gnulib .h file' \
|
|---|
| 808 | 1>&2; exit 1; } || :; \
|
|---|
| 809 | fi
|
|---|
| 810 | # ==================================================================
|
|---|
| 811 |
|
|---|
| 812 | # Prohibit checked in backup files.
|
|---|
| 813 | sc_prohibit_backup_files:
|
|---|
| 814 | @$(VC_LIST) | grep '~$$' && \
|
|---|
| 815 | { echo '$(ME): found version controlled backup file' 1>&2; \
|
|---|
| 816 | exit 1; } || :
|
|---|
| 817 |
|
|---|
| 818 | # Require the latest GPL.
|
|---|
| 819 | sc_GPL_version:
|
|---|
| 820 | @prohibit='either ''version [^3]' \
|
|---|
| 821 | halt='GPL vN, N!=3' \
|
|---|
| 822 | $(_sc_search_regexp)
|
|---|
| 823 |
|
|---|
| 824 | # Require the latest GFDL. Two regexp, since some .texi files end up
|
|---|
| 825 | # line wrapping between 'Free Documentation License,' and 'Version'.
|
|---|
| 826 | _GFDL_regexp = (Free ''Documentation.*Version 1\.[^3]|Version 1\.[^3] or any)
|
|---|
| 827 | sc_GFDL_version:
|
|---|
| 828 | @prohibit='$(_GFDL_regexp)' \
|
|---|
| 829 | halt='GFDL vN, N!=3' \
|
|---|
| 830 | $(_sc_search_regexp)
|
|---|
| 831 |
|
|---|
| 832 | # Don't use Texinfo's @acronym{}.
|
|---|
| 833 | # http://lists.gnu.org/archive/html/bug-gnulib/2010-03/msg00321.html
|
|---|
| 834 | texinfo_suffix_re_ ?= \.(txi|texi(nfo)?)$$
|
|---|
| 835 | sc_texinfo_acronym:
|
|---|
| 836 | @prohibit='@acronym\{' \
|
|---|
| 837 | in_vc_files='$(texinfo_suffix_re_)' \
|
|---|
| 838 | halt='found use of Texinfo @acronym{}' \
|
|---|
| 839 | $(_sc_search_regexp)
|
|---|
| 840 |
|
|---|
| 841 | cvs_keywords = \
|
|---|
| 842 | Author|Date|Header|Id|Name|Locker|Log|RCSfile|Revision|Source|State
|
|---|
| 843 |
|
|---|
| 844 | sc_prohibit_cvs_keyword:
|
|---|
| 845 | @prohibit='\$$($(cvs_keywords))\$$' \
|
|---|
| 846 | halt='do not use CVS keyword expansion' \
|
|---|
| 847 | $(_sc_search_regexp)
|
|---|
| 848 |
|
|---|
| 849 | # This Perl code is slightly obfuscated. Not only is each "$" doubled
|
|---|
| 850 | # because it's in a Makefile, but the $$c's are comments; we cannot
|
|---|
| 851 | # use "#" due to the way the script ends up concatenated onto one line.
|
|---|
| 852 | # It would be much more concise, and would produce better output (including
|
|---|
| 853 | # counts) if written as:
|
|---|
| 854 | # perl -ln -0777 -e '/\n(\n+)$/ and print "$ARGV: ".length $1' ...
|
|---|
| 855 | # but that would be far less efficient, reading the entire contents
|
|---|
| 856 | # of each file, rather than just the last two bytes of each.
|
|---|
| 857 | # In addition, while the code below detects both blank lines and a missing
|
|---|
| 858 | # newline at EOF, the above detects only the former.
|
|---|
| 859 | #
|
|---|
| 860 | # This is a perl script that is expected to be the single-quoted argument
|
|---|
| 861 | # to a command-line "-le". The remaining arguments are file names.
|
|---|
| 862 | # Print the name of each file that does not end in exactly one newline byte.
|
|---|
| 863 | # I.e., warn if there are blank lines (2 or more newlines), or if the
|
|---|
| 864 | # last byte is not a newline. However, currently we don't complain
|
|---|
| 865 | # about any file that contains exactly one byte.
|
|---|
| 866 | # Exit nonzero if at least one such file is found, otherwise, exit 0.
|
|---|
| 867 | # Warn about, but otherwise ignore open failure. Ignore seek/read failure.
|
|---|
| 868 | #
|
|---|
| 869 | # Use this if you want to remove trailing empty lines from selected files:
|
|---|
| 870 | # perl -pi -0777 -e 's/\n\n+$/\n/' files...
|
|---|
| 871 | #
|
|---|
| 872 | require_exactly_one_NL_at_EOF_ = \
|
|---|
| 873 | foreach my $$f (@ARGV) \
|
|---|
| 874 | { \
|
|---|
| 875 | open F, "<", $$f or (warn "failed to open $$f: $$!\n"), next; \
|
|---|
| 876 | my $$p = sysseek (F, -2, 2); \
|
|---|
| 877 | my $$c = "seek failure probably means file has < 2 bytes; ignore"; \
|
|---|
| 878 | my $$last_two_bytes; \
|
|---|
| 879 | defined $$p and $$p = sysread F, $$last_two_bytes, 2; \
|
|---|
| 880 | close F; \
|
|---|
| 881 | $$c = "ignore read failure"; \
|
|---|
| 882 | $$p && ($$last_two_bytes eq "\n\n" \
|
|---|
| 883 | || substr ($$last_two_bytes,1) ne "\n") \
|
|---|
| 884 | and (print $$f), $$fail=1; \
|
|---|
| 885 | } \
|
|---|
| 886 | END { exit defined $$fail }
|
|---|
| 887 | sc_prohibit_empty_lines_at_EOF:
|
|---|
| 888 | @perl -le '$(require_exactly_one_NL_at_EOF_)' $$($(VC_LIST_EXCEPT)) \
|
|---|
| 889 | || { echo '$(ME): empty line(s) or no newline at EOF' \
|
|---|
| 890 | 1>&2; exit 1; } || :
|
|---|
| 891 |
|
|---|
| 892 | # Make sure we don't use st_blocks. Use ST_NBLOCKS instead.
|
|---|
| 893 | # This is a bit of a kludge, since it prevents use of the string
|
|---|
| 894 | # even in comments, but for now it does the job with no false positives.
|
|---|
| 895 | sc_prohibit_stat_st_blocks:
|
|---|
| 896 | @prohibit='[.>]st_blocks' \
|
|---|
| 897 | halt='do not use st_blocks; use ST_NBLOCKS' \
|
|---|
| 898 | $(_sc_search_regexp)
|
|---|
| 899 |
|
|---|
| 900 | # Make sure we don't define any S_IS* macros in src/*.c files.
|
|---|
| 901 | # They're already defined via gnulib's sys/stat.h replacement.
|
|---|
| 902 | sc_prohibit_S_IS_definition:
|
|---|
| 903 | @prohibit='^ *# *define *S_IS' \
|
|---|
| 904 | halt='do not define S_IS* macros; include <sys/stat.h>' \
|
|---|
| 905 | $(_sc_search_regexp)
|
|---|
| 906 |
|
|---|
| 907 | # Perl block to convert a match to FILE_NAME:LINENO:TEST,
|
|---|
| 908 | # that is shared by two definitions below.
|
|---|
| 909 | perl_filename_lineno_text_ = \
|
|---|
| 910 | -e ' {' \
|
|---|
| 911 | -e ' $$n = ($$` =~ tr/\n/\n/ + 1);' \
|
|---|
| 912 | -e ' ($$v = $$&) =~ s/\n/\\n/g;' \
|
|---|
| 913 | -e ' print "$$ARGV:$$n:$$v\n";' \
|
|---|
| 914 | -e ' }'
|
|---|
| 915 |
|
|---|
| 916 | prohibit_doubled_word_RE_ ?= \
|
|---|
| 917 | /\b(then?|[iao]n|i[fst]|but|f?or|at|and|[dt]o)\s+\1\b/gims
|
|---|
| 918 | prohibit_doubled_word_ = \
|
|---|
| 919 | -e 'while ($(prohibit_doubled_word_RE_))' \
|
|---|
| 920 | $(perl_filename_lineno_text_)
|
|---|
| 921 |
|
|---|
| 922 | # Define this to a regular expression that matches
|
|---|
| 923 | # any filename:dd:match lines you want to ignore.
|
|---|
| 924 | # The default is to ignore no matches.
|
|---|
| 925 | ignore_doubled_word_match_RE_ ?= ^$$
|
|---|
| 926 |
|
|---|
| 927 | sc_prohibit_doubled_word:
|
|---|
| 928 | @perl -n -0777 $(prohibit_doubled_word_) $$($(VC_LIST_EXCEPT)) \
|
|---|
| 929 | | grep -vE '$(ignore_doubled_word_match_RE_)' \
|
|---|
| 930 | | grep . && { echo '$(ME): doubled words' 1>&2; exit 1; } || :
|
|---|
| 931 |
|
|---|
| 932 | # A regular expression matching undesirable combinations of words like
|
|---|
| 933 | # "can not"; this matches them even when the two words appear on different
|
|---|
| 934 | # lines, but not when there is an intervening delimiter like "#" or "*".
|
|---|
| 935 | # Similarly undesirable, "See @xref{...}", since an @xref should start
|
|---|
| 936 | # a sentence. Explicitly prohibit any prefix of "see" or "also".
|
|---|
| 937 | # Also prohibit a prefix matching "\w+ +".
|
|---|
| 938 | # @pxref gets the same see/also treatment and should be parenthesized;
|
|---|
| 939 | # presume it must *not* start a sentence.
|
|---|
| 940 | bad_xref_re_ ?= (?:[\w,:;] +|(?:see|also)\s+)\@xref\{
|
|---|
| 941 | bad_pxref_re_ ?= (?:[.!?]|(?:see|also))\s+\@pxref\{
|
|---|
| 942 | prohibit_undesirable_word_seq_RE_ ?= \
|
|---|
| 943 | /(?:\bcan\s+not\b|$(bad_xref_re_)|$(bad_pxref_re_))/gims
|
|---|
| 944 | prohibit_undesirable_word_seq_ = \
|
|---|
| 945 | -e 'while ($(prohibit_undesirable_word_seq_RE_))' \
|
|---|
| 946 | $(perl_filename_lineno_text_)
|
|---|
| 947 | # Define this to a regular expression that matches
|
|---|
| 948 | # any filename:dd:match lines you want to ignore.
|
|---|
| 949 | # The default is to ignore no matches.
|
|---|
| 950 | ignore_undesirable_word_sequence_RE_ ?= ^$$
|
|---|
| 951 |
|
|---|
| 952 | sc_prohibit_undesirable_word_seq:
|
|---|
| 953 | @perl -n -0777 $(prohibit_undesirable_word_seq_) \
|
|---|
| 954 | $$($(VC_LIST_EXCEPT)) \
|
|---|
| 955 | | grep -vE '$(ignore_undesirable_word_sequence_RE_)' | grep . \
|
|---|
| 956 | && { echo '$(ME): undesirable word sequence' >&2; exit 1; } || :
|
|---|
| 957 |
|
|---|
| 958 | _ptm1 = use "test C1 && test C2", not "test C1 -''a C2"
|
|---|
| 959 | _ptm2 = use "test C1 || test C2", not "test C1 -''o C2"
|
|---|
| 960 | # Using test's -a and -o operators is not portable.
|
|---|
| 961 | # We prefer test over [, since the latter is spelled [[ in configure.ac.
|
|---|
| 962 | sc_prohibit_test_minus_ao:
|
|---|
| 963 | @prohibit='(\<test| \[+) .+ -[ao] ' \
|
|---|
| 964 | halt='$(_ptm1); $(_ptm2)' \
|
|---|
| 965 | $(_sc_search_regexp)
|
|---|
| 966 |
|
|---|
| 967 | # Avoid a test bashism.
|
|---|
| 968 | sc_prohibit_test_double_equal:
|
|---|
| 969 | @prohibit='(\<test| \[+) .+ == ' \
|
|---|
| 970 | containing='#! */bin/[a-z]*sh' \
|
|---|
| 971 | halt='use "test x = x", not "test x =''= x"' \
|
|---|
| 972 | $(_sc_search_regexp)
|
|---|
| 973 |
|
|---|
| 974 | # Each program that uses proper_name_utf8 must link with one of the
|
|---|
| 975 | # ICONV libraries. Otherwise, some ICONV library must appear in LDADD.
|
|---|
| 976 | # The perl -0777 invocation below extracts the possibly-multi-line
|
|---|
| 977 | # definition of LDADD from the appropriate Makefile.am and exits 0
|
|---|
| 978 | # when it contains "ICONV".
|
|---|
| 979 | sc_proper_name_utf8_requires_ICONV:
|
|---|
| 980 | @progs=$$(grep -l 'proper_name_utf8 ''("' $$($(VC_LIST_EXCEPT)));\
|
|---|
| 981 | if test "x$$progs" != x; then \
|
|---|
| 982 | fail=0; \
|
|---|
| 983 | for p in $$progs; do \
|
|---|
| 984 | dir=$$(dirname "$$p"); \
|
|---|
| 985 | perl -0777 \
|
|---|
| 986 | -ne 'exit !(/^LDADD =(.+?[^\\]\n)/ms && $$1 =~ /ICONV/)' \
|
|---|
| 987 | $$dir/Makefile.am && continue; \
|
|---|
| 988 | base=$$(basename "$$p" .c); \
|
|---|
| 989 | grep "$${base}_LDADD.*ICONV)" $$dir/Makefile.am > /dev/null \
|
|---|
| 990 | || { fail=1; echo 1>&2 "$(ME): $$p uses proper_name_utf8"; }; \
|
|---|
| 991 | done; \
|
|---|
| 992 | test $$fail = 1 && \
|
|---|
| 993 | { echo 1>&2 '$(ME): the above do not link with any ICONV library'; \
|
|---|
| 994 | exit 1; } || :; \
|
|---|
| 995 | fi
|
|---|
| 996 |
|
|---|
| 997 | # Warn about "c0nst struct Foo const foo[]",
|
|---|
| 998 | # but not about "char const *const foo" or "#define const const".
|
|---|
| 999 | sc_redundant_const:
|
|---|
| 1000 | @prohibit='\bconst\b[[:space:][:alnum:]]{2,}\bconst\b' \
|
|---|
| 1001 | halt='redundant "const" in declarations' \
|
|---|
| 1002 | $(_sc_search_regexp)
|
|---|
| 1003 |
|
|---|
| 1004 | sc_const_long_option:
|
|---|
| 1005 | @prohibit='^ *static.*struct option ' \
|
|---|
| 1006 | exclude='const struct option|struct option const' \
|
|---|
| 1007 | halt='$(ME): add "const" to the above declarations' \
|
|---|
| 1008 | $(_sc_search_regexp)
|
|---|
| 1009 |
|
|---|
| 1010 | NEWS_hash = \
|
|---|
| 1011 | $$(sed -n '/^\*.* $(PREV_VERSION_REGEXP) ([0-9-]*)/,$$p' \
|
|---|
| 1012 | $(srcdir)/NEWS \
|
|---|
| 1013 | | perl -0777 -pe \
|
|---|
| 1014 | 's/^Copyright.+?Free\sSoftware\sFoundation,\sInc\.\n//ms' \
|
|---|
| 1015 | | md5sum - \
|
|---|
| 1016 | | sed 's/ .*//')
|
|---|
| 1017 |
|
|---|
| 1018 | # Ensure that we don't accidentally insert an entry into an old NEWS block.
|
|---|
| 1019 | sc_immutable_NEWS:
|
|---|
| 1020 | @if test -f $(srcdir)/NEWS; then \
|
|---|
| 1021 | test "$(NEWS_hash)" = '$(old_NEWS_hash)' && : || \
|
|---|
| 1022 | { echo '$(ME): you have modified old NEWS' 1>&2; exit 1; }; \
|
|---|
| 1023 | fi
|
|---|
| 1024 |
|
|---|
| 1025 | # Update the hash stored above. Do this after each release and
|
|---|
| 1026 | # for any corrections to old entries.
|
|---|
| 1027 | update-NEWS-hash: NEWS
|
|---|
| 1028 | perl -pi -e 's/^(old_NEWS_hash[ \t]+:?=[ \t]+).*/$${1}'"$(NEWS_hash)/" \
|
|---|
| 1029 | $(srcdir)/cfg.mk
|
|---|
| 1030 |
|
|---|
| 1031 | # Ensure that we use only the standard $(VAR) notation,
|
|---|
| 1032 | # not @...@ in Makefile.am, now that we can rely on automake
|
|---|
| 1033 | # to emit a definition for each substituted variable.
|
|---|
| 1034 | # However, there is still one case in which @VAR@ use is not just
|
|---|
| 1035 | # legitimate, but actually required: when augmenting an automake-defined
|
|---|
| 1036 | # variable with a prefix. For example, gettext uses this:
|
|---|
| 1037 | # MAKEINFO = env LANG= LC_MESSAGES= LC_ALL= LANGUAGE= @MAKEINFO@
|
|---|
| 1038 | # otherwise, makeinfo would put German or French (current locale)
|
|---|
| 1039 | # navigation hints in the otherwise-English documentation.
|
|---|
| 1040 | #
|
|---|
| 1041 | # Allow the package to add exceptions via a hook in cfg.mk;
|
|---|
| 1042 | # for example, @PRAGMA_SYSTEM_HEADER@ can be permitted by
|
|---|
| 1043 | # setting this to ' && !/PRAGMA_SYSTEM_HEADER/'.
|
|---|
| 1044 | _makefile_at_at_check_exceptions ?=
|
|---|
| 1045 | sc_makefile_at_at_check:
|
|---|
| 1046 | @perl -ne '/\@\w+\@/' \
|
|---|
| 1047 | -e ' && !/(\w+)\s+=.*\@\1\@$$/' \
|
|---|
| 1048 | -e ''$(_makefile_at_at_check_exceptions) \
|
|---|
| 1049 | -e 'and (print "$$ARGV:$$.: $$_"), $$m=1; END {exit !$$m}' \
|
|---|
| 1050 | $$($(VC_LIST_EXCEPT) | grep -E '(^|/)(Makefile\.am|[^/]+\.mk)$$') \
|
|---|
| 1051 | && { echo '$(ME): use $$(...), not @...@' 1>&2; exit 1; } || :
|
|---|
| 1052 |
|
|---|
| 1053 | news-check: NEWS
|
|---|
| 1054 | if sed -n $(news-check-lines-spec)p $(srcdir)/NEWS \
|
|---|
| 1055 | | grep -E $(news-check-regexp) >/dev/null; then \
|
|---|
| 1056 | :; \
|
|---|
| 1057 | else \
|
|---|
| 1058 | echo 'NEWS: $$(news-check-regexp) failed to match' 1>&2; \
|
|---|
| 1059 | exit 1; \
|
|---|
| 1060 | fi
|
|---|
| 1061 |
|
|---|
| 1062 | sc_makefile_TAB_only_indentation:
|
|---|
| 1063 | @prohibit='^ [ ]{8}' \
|
|---|
| 1064 | in_vc_files='akefile|\.mk$$' \
|
|---|
| 1065 | halt='found TAB-8-space indentation' \
|
|---|
| 1066 | $(_sc_search_regexp)
|
|---|
| 1067 |
|
|---|
| 1068 | sc_m4_quote_check:
|
|---|
| 1069 | @prohibit='(AC_DEFINE(_UNQUOTED)?|AC_DEFUN)\([^[]' \
|
|---|
| 1070 | in_vc_files='(^configure\.ac|\.m4)$$' \
|
|---|
| 1071 | halt='quote the first arg to AC_DEF*' \
|
|---|
| 1072 | $(_sc_search_regexp)
|
|---|
| 1073 |
|
|---|
| 1074 | fix_po_file_diag = \
|
|---|
| 1075 | 'you have changed the set of files with translatable diagnostics;\n\
|
|---|
| 1076 | apply the above patch\n'
|
|---|
| 1077 |
|
|---|
| 1078 | # Verify that all source files using _() are listed in po/POTFILES.in.
|
|---|
| 1079 | po_file ?= $(srcdir)/po/POTFILES.in
|
|---|
| 1080 | generated_files ?= $(srcdir)/lib/*.[ch]
|
|---|
| 1081 | sc_po_check:
|
|---|
| 1082 | @if test -f $(po_file); then \
|
|---|
| 1083 | grep -E -v '^(#|$$)' $(po_file) \
|
|---|
| 1084 | | grep -v '^src/false\.c$$' | sort > $@-1; \
|
|---|
| 1085 | files=; \
|
|---|
| 1086 | for file in $$($(VC_LIST_EXCEPT)) $(generated_files); do \
|
|---|
| 1087 | test -r $$file || continue; \
|
|---|
| 1088 | case $$file in \
|
|---|
| 1089 | *.m4|*.mk) continue ;; \
|
|---|
| 1090 | *.?|*.??) ;; \
|
|---|
| 1091 | *) continue;; \
|
|---|
| 1092 | esac; \
|
|---|
| 1093 | case $$file in \
|
|---|
| 1094 | *.[ch]) \
|
|---|
| 1095 | base=`expr " $$file" : ' \(.*\)\..'`; \
|
|---|
| 1096 | { test -f $$base.l || test -f $$base.y; } && continue;; \
|
|---|
| 1097 | esac; \
|
|---|
| 1098 | files="$$files $$file"; \
|
|---|
| 1099 | done; \
|
|---|
| 1100 | grep -E -l '\b(N?_|gettext *)\([^)"]*("|$$)' $$files \
|
|---|
| 1101 | | sed 's|^$(_dot_escaped_srcdir)/||' | sort -u > $@-2; \
|
|---|
| 1102 | diff -u -L $(po_file) -L $(po_file) $@-1 $@-2 \
|
|---|
| 1103 | || { printf '$(ME): '$(fix_po_file_diag) 1>&2; exit 1; }; \
|
|---|
| 1104 | rm -f $@-1 $@-2; \
|
|---|
| 1105 | fi
|
|---|
| 1106 |
|
|---|
| 1107 | # Sometimes it is useful to change the PATH environment variable
|
|---|
| 1108 | # in Makefiles. When doing so, it's better not to use the Unix-centric
|
|---|
| 1109 | # path separator of ':', but rather the automake-provided '$(PATH_SEPARATOR)'.
|
|---|
| 1110 | msg = '$(ME): Do not use ":" above; use $$(PATH_SEPARATOR) instead'
|
|---|
| 1111 | sc_makefile_path_separator_check:
|
|---|
| 1112 | @prohibit='PATH[=].*:' \
|
|---|
| 1113 | in_vc_files='akefile|\.mk$$' \
|
|---|
| 1114 | halt=$(msg) \
|
|---|
| 1115 | $(_sc_search_regexp)
|
|---|
| 1116 |
|
|---|
| 1117 | # Check that 'make alpha' will not fail at the end of the process,
|
|---|
| 1118 | # i.e., when pkg-M.N.tar.xz already exists (either in "." or in ../release)
|
|---|
| 1119 | # and is read-only.
|
|---|
| 1120 | writable-files:
|
|---|
| 1121 | if test -d $(release_archive_dir); then \
|
|---|
| 1122 | for file in $(DIST_ARCHIVES); do \
|
|---|
| 1123 | for p in ./ $(release_archive_dir)/; do \
|
|---|
| 1124 | test -e $$p$$file || continue; \
|
|---|
| 1125 | test -w $$p$$file \
|
|---|
| 1126 | || { echo ERROR: $$p$$file is not writable; fail=1; }; \
|
|---|
| 1127 | done; \
|
|---|
| 1128 | done; \
|
|---|
| 1129 | test "$$fail" && exit 1 || : ; \
|
|---|
| 1130 | else :; \
|
|---|
| 1131 | fi
|
|---|
| 1132 |
|
|---|
| 1133 | v_etc_file = $(gnulib_dir)/lib/version-etc.c
|
|---|
| 1134 | sample-test = tests/sample-test
|
|---|
| 1135 | texi = doc/$(PACKAGE).texi
|
|---|
| 1136 | # Make sure that the copyright date in $(v_etc_file) is up to date.
|
|---|
| 1137 | # Do the same for the $(sample-test) and the main doc/.texi file.
|
|---|
| 1138 | sc_copyright_check:
|
|---|
| 1139 | @require='enum { COPYRIGHT_YEAR = '$$(date +%Y)' };' \
|
|---|
| 1140 | in_files=$(v_etc_file) \
|
|---|
| 1141 | halt='out of date copyright in $(v_etc_file); update it' \
|
|---|
| 1142 | $(_sc_search_regexp)
|
|---|
| 1143 | @require='# Copyright \(C\) '$$(date +%Y)' Free' \
|
|---|
| 1144 | in_vc_files=$(sample-test) \
|
|---|
| 1145 | halt='out of date copyright in $(sample-test); update it' \
|
|---|
| 1146 | $(_sc_search_regexp)
|
|---|
| 1147 | @require='Copyright @copyright\{\} .*'$$(date +%Y)' Free' \
|
|---|
| 1148 | in_vc_files=$(texi) \
|
|---|
| 1149 | halt='out of date copyright in $(texi); update it' \
|
|---|
| 1150 | $(_sc_search_regexp)
|
|---|
| 1151 |
|
|---|
| 1152 | # If tests/help-version exists and seems to be new enough, assume that its
|
|---|
| 1153 | # use of init.sh and path_prepend_ is correct, and ensure that every other
|
|---|
| 1154 | # use of init.sh is identical.
|
|---|
| 1155 | # This is useful because help-version cross-checks prog --version
|
|---|
| 1156 | # with $(VERSION), which verifies that its path_prepend_ invocation
|
|---|
| 1157 | # sets PATH correctly. This is an inexpensive way to ensure that
|
|---|
| 1158 | # the other init.sh-using tests also get it right.
|
|---|
| 1159 | _hv_file ?= $(srcdir)/tests/help-version
|
|---|
| 1160 | _hv_regex_weak ?= ^ *\. .*/init\.sh"
|
|---|
| 1161 | # Fix syntax-highlighters "
|
|---|
| 1162 | _hv_regex_strong ?= ^ *\. "\$${srcdir=\.}/init\.sh"
|
|---|
| 1163 | sc_cross_check_PATH_usage_in_tests:
|
|---|
| 1164 | @if test -f $(_hv_file); then \
|
|---|
| 1165 | grep -l 'VERSION mismatch' $(_hv_file) >/dev/null \
|
|---|
| 1166 | || { echo "$@: skipped: no such file: $(_hv_file)" 1>&2; \
|
|---|
| 1167 | exit 0; }; \
|
|---|
| 1168 | grep -lE '$(_hv_regex_strong)' $(_hv_file) >/dev/null \
|
|---|
| 1169 | || { echo "$@: $(_hv_file) lacks conforming use of init.sh" 1>&2; \
|
|---|
| 1170 | exit 1; }; \
|
|---|
| 1171 | good=$$(grep -E '$(_hv_regex_strong)' $(_hv_file)); \
|
|---|
| 1172 | grep -LFx "$$good" \
|
|---|
| 1173 | $$(grep -lE '$(_hv_regex_weak)' $$($(VC_LIST_EXCEPT))) \
|
|---|
| 1174 | | grep . && \
|
|---|
| 1175 | { echo "$(ME): the above files use path_prepend_ inconsistently" \
|
|---|
| 1176 | 1>&2; exit 1; } || :; \
|
|---|
| 1177 | fi
|
|---|
| 1178 |
|
|---|
| 1179 | # BRE regex of file contents to identify a test script.
|
|---|
| 1180 | _test_script_regex ?= \<init\.sh\>
|
|---|
| 1181 |
|
|---|
| 1182 | # In tests, use "compare expected actual", not the reverse.
|
|---|
| 1183 | sc_prohibit_reversed_compare_failure:
|
|---|
| 1184 | @prohibit='\<compare [^ ]+ ([^ ]*exp|/dev/null)' \
|
|---|
| 1185 | containing='$(_test_script_regex)' \
|
|---|
| 1186 | halt='reversed compare arguments' \
|
|---|
| 1187 | $(_sc_search_regexp)
|
|---|
| 1188 |
|
|---|
| 1189 | # #if HAVE_... will evaluate to false for any non numeric string.
|
|---|
| 1190 | # That would be flagged by using -Wundef, however gnulib currently
|
|---|
| 1191 | # tests many undefined macros, and so we can't enable that option.
|
|---|
| 1192 | # So at least preclude common boolean strings as macro values.
|
|---|
| 1193 | sc_Wundef_boolean:
|
|---|
| 1194 | @prohibit='^#define.*(yes|no|true|false)$$' \
|
|---|
| 1195 | in_files='$(CONFIG_INCLUDE)' \
|
|---|
| 1196 | halt='Use 0 or 1 for macro values' \
|
|---|
| 1197 | $(_sc_search_regexp)
|
|---|
| 1198 |
|
|---|
| 1199 | # Even if you use pathmax.h to guarantee that PATH_MAX is defined, it might
|
|---|
| 1200 | # not be constant, or might overflow a stack. In general, use PATH_MAX as
|
|---|
| 1201 | # a limit, not an array or alloca size.
|
|---|
| 1202 | sc_prohibit_path_max_allocation:
|
|---|
| 1203 | @prohibit='(\balloca *\([^)]*|\[[^]]*)PATH_MAX' \
|
|---|
| 1204 | halt='Avoid stack allocations of size PATH_MAX' \
|
|---|
| 1205 | $(_sc_search_regexp)
|
|---|
| 1206 |
|
|---|
| 1207 | sc_vulnerable_makefile_CVE-2009-4029:
|
|---|
| 1208 | @prohibit='perm -777 -exec chmod a\+rwx|chmod 777 \$$\(distdir\)' \
|
|---|
| 1209 | in_files=$$(find $(srcdir) -name Makefile.in) \
|
|---|
| 1210 | halt=$$(printf '%s\n' \
|
|---|
| 1211 | 'the above files are vulnerable; beware of running' \
|
|---|
| 1212 | ' "make dist*" rules, and upgrade to fixed automake' \
|
|---|
| 1213 | ' see http://bugzilla.redhat.com/542609 for details') \
|
|---|
| 1214 | $(_sc_search_regexp)
|
|---|
| 1215 |
|
|---|
| 1216 | vc-diff-check:
|
|---|
| 1217 | (unset CDPATH; cd $(srcdir) && $(VC) diff) > vc-diffs || :
|
|---|
| 1218 | if test -s vc-diffs; then \
|
|---|
| 1219 | cat vc-diffs; \
|
|---|
| 1220 | echo "Some files are locally modified:" 1>&2; \
|
|---|
| 1221 | exit 1; \
|
|---|
| 1222 | else \
|
|---|
| 1223 | rm vc-diffs; \
|
|---|
| 1224 | fi
|
|---|
| 1225 |
|
|---|
| 1226 | rel-files = $(DIST_ARCHIVES)
|
|---|
| 1227 |
|
|---|
| 1228 | gnulib_dir ?= $(srcdir)/gnulib
|
|---|
| 1229 | gnulib-version = $$(cd $(gnulib_dir) && git describe)
|
|---|
| 1230 | bootstrap-tools ?= autoconf,automake,gnulib
|
|---|
| 1231 |
|
|---|
| 1232 | # If it's not already specified, derive the GPG key ID from
|
|---|
| 1233 | # the signed tag we've just applied to mark this release.
|
|---|
| 1234 | gpg_key_ID ?= \
|
|---|
| 1235 | $$(git cat-file tag v$(VERSION) \
|
|---|
| 1236 | | gpgv --status-fd 1 --keyring /dev/null - - 2>/dev/null \
|
|---|
| 1237 | | sed -n '/^\[GNUPG:\] ERRSIG /{s///;s/ .*//p;q}')
|
|---|
| 1238 |
|
|---|
| 1239 | translation_project_ ?= coordinator@translationproject.org
|
|---|
| 1240 |
|
|---|
| 1241 | # Make info-gnu the default only for a stable release.
|
|---|
| 1242 | ifeq ($(RELEASE_TYPE),stable)
|
|---|
| 1243 | announcement_Cc_ ?= $(translation_project_), $(PACKAGE_BUGREPORT)
|
|---|
| 1244 | announcement_mail_headers_ ?= \
|
|---|
| 1245 | To: info-gnu@gnu.org \
|
|---|
| 1246 | Cc: $(announcement_Cc_) \
|
|---|
| 1247 | Mail-Followup-To: $(PACKAGE_BUGREPORT)
|
|---|
| 1248 | else
|
|---|
| 1249 | announcement_Cc_ ?= $(translation_project_)
|
|---|
| 1250 | announcement_mail_headers_ ?= \
|
|---|
| 1251 | To: $(PACKAGE_BUGREPORT) \
|
|---|
| 1252 | Cc: $(announcement_Cc_)
|
|---|
| 1253 | endif
|
|---|
| 1254 |
|
|---|
| 1255 | announcement: NEWS ChangeLog $(rel-files)
|
|---|
| 1256 | @$(srcdir)/$(_build-aux)/announce-gen \
|
|---|
| 1257 | --mail-headers='$(announcement_mail_headers_)' \
|
|---|
| 1258 | --release-type=$(RELEASE_TYPE) \
|
|---|
| 1259 | --package=$(PACKAGE) \
|
|---|
| 1260 | --prev=$(PREV_VERSION) \
|
|---|
| 1261 | --curr=$(VERSION) \
|
|---|
| 1262 | --gpg-key-id=$(gpg_key_ID) \
|
|---|
| 1263 | --news=$(srcdir)/NEWS \
|
|---|
| 1264 | --bootstrap-tools=$(bootstrap-tools) \
|
|---|
| 1265 | $$(case ,$(bootstrap-tools), in (*,gnulib,*) \
|
|---|
| 1266 | echo --gnulib-version=$(gnulib-version);; esac) \
|
|---|
| 1267 | --no-print-checksums \
|
|---|
| 1268 | $(addprefix --url-dir=, $(url_dir_list))
|
|---|
| 1269 |
|
|---|
| 1270 | ## ---------------- ##
|
|---|
| 1271 | ## Updating files. ##
|
|---|
| 1272 | ## ---------------- ##
|
|---|
| 1273 |
|
|---|
| 1274 | ftp-gnu = ftp://ftp.gnu.org/gnu
|
|---|
| 1275 | www-gnu = http://www.gnu.org
|
|---|
| 1276 |
|
|---|
| 1277 | upload_dest_dir_ ?= $(PACKAGE)
|
|---|
| 1278 | emit_upload_commands:
|
|---|
| 1279 | @echo =====================================
|
|---|
| 1280 | @echo =====================================
|
|---|
| 1281 | @echo "$(srcdir)/$(_build-aux)/gnupload $(GNUPLOADFLAGS) \\"
|
|---|
| 1282 | @echo " --to $(gnu_rel_host):$(upload_dest_dir_) \\"
|
|---|
| 1283 | @echo " $(rel-files)"
|
|---|
| 1284 | @echo '# send the ~/announce-$(my_distdir) e-mail'
|
|---|
| 1285 | @echo =====================================
|
|---|
| 1286 | @echo =====================================
|
|---|
| 1287 |
|
|---|
| 1288 | define emit-commit-log
|
|---|
| 1289 | printf '%s\n' 'maint: post-release administrivia' '' \
|
|---|
| 1290 | '* NEWS: Add header line for next release.' \
|
|---|
| 1291 | '* .prev-version: Record previous version.' \
|
|---|
| 1292 | '* cfg.mk (old_NEWS_hash): Auto-update.'
|
|---|
| 1293 | endef
|
|---|
| 1294 |
|
|---|
| 1295 | .PHONY: no-submodule-changes
|
|---|
| 1296 | no-submodule-changes:
|
|---|
| 1297 | if test -d $(srcdir)/.git; then \
|
|---|
| 1298 | diff=$$(cd $(srcdir) && git submodule -q foreach \
|
|---|
| 1299 | git diff-index --name-only HEAD) \
|
|---|
| 1300 | || exit 1; \
|
|---|
| 1301 | case $$diff in '') ;; \
|
|---|
| 1302 | *) echo '$(ME): submodule files are locally modified:'; \
|
|---|
| 1303 | echo "$$diff"; exit 1;; esac; \
|
|---|
| 1304 | else \
|
|---|
| 1305 | : ; \
|
|---|
| 1306 | fi
|
|---|
| 1307 |
|
|---|
| 1308 | submodule-checks ?= no-submodule-changes public-submodule-commit
|
|---|
| 1309 |
|
|---|
| 1310 | # Ensure that each sub-module commit we're using is public.
|
|---|
| 1311 | # Without this, it is too easy to tag and release code that
|
|---|
| 1312 | # cannot be built from a fresh clone.
|
|---|
| 1313 | .PHONY: public-submodule-commit
|
|---|
| 1314 | public-submodule-commit:
|
|---|
| 1315 | $(AM_V_GEN)if test -d $(srcdir)/.git; then \
|
|---|
| 1316 | cd $(srcdir) && \
|
|---|
| 1317 | git submodule --quiet foreach test '$$(git rev-parse $$sha1)' \
|
|---|
| 1318 | = '$$(git merge-base origin $$sha1)' \
|
|---|
| 1319 | || { echo '$(ME): found non-public submodule commit' >&2; \
|
|---|
| 1320 | exit 1; }; \
|
|---|
| 1321 | else \
|
|---|
| 1322 | : ; \
|
|---|
| 1323 | fi
|
|---|
| 1324 | # This rule has a high enough utility/cost ratio that it should be a
|
|---|
| 1325 | # dependent of "check" by default. However, some of us do occasionally
|
|---|
| 1326 | # commit a temporary change that deliberately points to a non-public
|
|---|
| 1327 | # submodule commit, and want to be able to use rules like "make check".
|
|---|
| 1328 | # In that case, run e.g., "make check gl_public_submodule_commit="
|
|---|
| 1329 | # to disable this test.
|
|---|
| 1330 | gl_public_submodule_commit ?= public-submodule-commit
|
|---|
| 1331 | check: $(gl_public_submodule_commit)
|
|---|
| 1332 |
|
|---|
| 1333 | .PHONY: alpha beta stable
|
|---|
| 1334 | ALL_RECURSIVE_TARGETS += alpha beta stable
|
|---|
| 1335 | alpha beta stable: $(local-check) writable-files $(submodule-checks)
|
|---|
| 1336 | test $@ = stable \
|
|---|
| 1337 | && { echo $(VERSION) | grep -E '^[0-9]+(\.[0-9]+)+$$' \
|
|---|
| 1338 | || { echo "invalid version string: $(VERSION)" 1>&2; exit 1;};}\
|
|---|
| 1339 | || :
|
|---|
| 1340 | $(MAKE) vc-diff-check
|
|---|
| 1341 | $(MAKE) news-check
|
|---|
| 1342 | $(MAKE) distcheck
|
|---|
| 1343 | $(MAKE) dist
|
|---|
| 1344 | $(MAKE) $(release-prep-hook) RELEASE_TYPE=$@
|
|---|
| 1345 | $(MAKE) -s emit_upload_commands RELEASE_TYPE=$@
|
|---|
| 1346 |
|
|---|
| 1347 | # Override this in cfg.mk if you follow different procedures.
|
|---|
| 1348 | release-prep-hook ?= release-prep
|
|---|
| 1349 |
|
|---|
| 1350 | gl_noteworthy_news_ = * Noteworthy changes in release ?.? (????-??-??) [?]
|
|---|
| 1351 | .PHONY: release-prep
|
|---|
| 1352 | release-prep:
|
|---|
| 1353 | case $$RELEASE_TYPE in alpha|beta|stable) ;; \
|
|---|
| 1354 | *) echo "invalid RELEASE_TYPE: $$RELEASE_TYPE" 1>&2; exit 1;; esac
|
|---|
| 1355 | $(MAKE) --no-print-directory -s announcement > ~/announce-$(my_distdir)
|
|---|
| 1356 | if test -d $(release_archive_dir); then \
|
|---|
| 1357 | ln $(rel-files) $(release_archive_dir); \
|
|---|
| 1358 | chmod a-w $(rel-files); \
|
|---|
| 1359 | fi
|
|---|
| 1360 | echo $(VERSION) > $(prev_version_file)
|
|---|
| 1361 | $(MAKE) update-NEWS-hash
|
|---|
| 1362 | perl -pi -e '$$. == 3 and print "$(gl_noteworthy_news_)\n\n\n"' NEWS
|
|---|
| 1363 | $(emit-commit-log) > .ci-msg
|
|---|
| 1364 | $(VC) commit -F .ci-msg -a
|
|---|
| 1365 | rm .ci-msg
|
|---|
| 1366 |
|
|---|
| 1367 | # Override this with e.g., -s $(srcdir)/some_other_name.texi
|
|---|
| 1368 | # if the default $(PACKAGE)-derived name doesn't apply.
|
|---|
| 1369 | gendocs_options_ ?=
|
|---|
| 1370 |
|
|---|
| 1371 | .PHONY: web-manual
|
|---|
| 1372 | web-manual:
|
|---|
| 1373 | @test -z "$(manual_title)" \
|
|---|
| 1374 | && { echo define manual_title in cfg.mk 1>&2; exit 1; } || :
|
|---|
| 1375 | @cd '$(srcdir)/doc'; \
|
|---|
| 1376 | $(SHELL) ../$(_build-aux)/gendocs.sh $(gendocs_options_) \
|
|---|
| 1377 | -o '$(abs_builddir)/doc/manual' \
|
|---|
| 1378 | --email $(PACKAGE_BUGREPORT) $(PACKAGE) \
|
|---|
| 1379 | "$(PACKAGE_NAME) - $(manual_title)"
|
|---|
| 1380 | @echo " *** Upload the doc/manual directory to web-cvs."
|
|---|
| 1381 |
|
|---|
| 1382 | # Code Coverage
|
|---|
| 1383 |
|
|---|
| 1384 | init-coverage:
|
|---|
| 1385 | $(MAKE) $(AM_MAKEFLAGS) clean
|
|---|
| 1386 | lcov --directory . --zerocounters
|
|---|
| 1387 |
|
|---|
| 1388 | COVERAGE_CCOPTS ?= "-g --coverage"
|
|---|
| 1389 | COVERAGE_OUT ?= doc/coverage
|
|---|
| 1390 |
|
|---|
| 1391 | build-coverage:
|
|---|
| 1392 | $(MAKE) $(AM_MAKEFLAGS) CFLAGS=$(COVERAGE_CCOPTS) CXXFLAGS=$(COVERAGE_CCOPTS)
|
|---|
| 1393 | $(MAKE) $(AM_MAKEFLAGS) CFLAGS=$(COVERAGE_CCOPTS) CXXFLAGS=$(COVERAGE_CCOPTS) check
|
|---|
| 1394 | mkdir -p $(COVERAGE_OUT)
|
|---|
| 1395 | lcov --directory . --output-file $(COVERAGE_OUT)/$(PACKAGE).info \
|
|---|
| 1396 | --capture
|
|---|
| 1397 |
|
|---|
| 1398 | gen-coverage:
|
|---|
| 1399 | genhtml --output-directory $(COVERAGE_OUT) \
|
|---|
| 1400 | $(COVERAGE_OUT)/$(PACKAGE).info \
|
|---|
| 1401 | --highlight --frames --legend \
|
|---|
| 1402 | --title "$(PACKAGE_NAME)"
|
|---|
| 1403 |
|
|---|
| 1404 | coverage: init-coverage build-coverage gen-coverage
|
|---|
| 1405 |
|
|---|
| 1406 | # Update gettext files.
|
|---|
| 1407 | PACKAGE ?= $(shell basename $(PWD))
|
|---|
| 1408 | PO_DOMAIN ?= $(PACKAGE)
|
|---|
| 1409 | POURL = http://translationproject.org/latest/$(PO_DOMAIN)/
|
|---|
| 1410 | PODIR ?= po
|
|---|
| 1411 | refresh-po:
|
|---|
| 1412 | rm -f $(PODIR)/*.po && \
|
|---|
| 1413 | echo "$(ME): getting translations into po (please ignore the robots.txt ERROR 404)..." && \
|
|---|
| 1414 | wget --no-verbose --directory-prefix $(PODIR) --no-directories --recursive --level 1 --accept .po --accept .po.1 $(POURL) && \
|
|---|
| 1415 | echo 'en@boldquot' > $(PODIR)/LINGUAS && \
|
|---|
| 1416 | echo 'en@quot' >> $(PODIR)/LINGUAS && \
|
|---|
| 1417 | ls $(PODIR)/*.po | sed 's/\.po//' | sed 's,$(PODIR)/,,' | sort >> $(PODIR)/LINGUAS
|
|---|
| 1418 |
|
|---|
| 1419 | # Running indent once is not idempotent, but running it twice is.
|
|---|
| 1420 | INDENT_SOURCES ?= $(C_SOURCES)
|
|---|
| 1421 | .PHONY: indent
|
|---|
| 1422 | indent:
|
|---|
| 1423 | indent $(INDENT_SOURCES)
|
|---|
| 1424 | indent $(INDENT_SOURCES)
|
|---|
| 1425 |
|
|---|
| 1426 | # If you want to set UPDATE_COPYRIGHT_* environment variables,
|
|---|
| 1427 | # put the assignments in this variable.
|
|---|
| 1428 | update-copyright-env ?=
|
|---|
| 1429 |
|
|---|
| 1430 | # Run this rule once per year (usually early in January)
|
|---|
| 1431 | # to update all FSF copyright year lists in your project.
|
|---|
| 1432 | # If you have an additional project-specific rule,
|
|---|
| 1433 | # add it in cfg.mk along with a line 'update-copyright: prereq'.
|
|---|
| 1434 | # By default, exclude all variants of COPYING; you can also
|
|---|
| 1435 | # add exemptions (such as ChangeLog..* for rotated change logs)
|
|---|
| 1436 | # in the file .x-update-copyright.
|
|---|
| 1437 | .PHONY: update-copyright
|
|---|
| 1438 | update-copyright:
|
|---|
| 1439 | grep -l -w Copyright \
|
|---|
| 1440 | $$(export VC_LIST_EXCEPT_DEFAULT=COPYING && $(VC_LIST_EXCEPT)) \
|
|---|
| 1441 | | $(update-copyright-env) xargs $(srcdir)/$(_build-aux)/$@
|
|---|
| 1442 |
|
|---|
| 1443 | # This tight_scope test is skipped with a warning if $(_gl_TS_headers) is not
|
|---|
| 1444 | # overridden and $(_gl_TS_dir)/Makefile.am does not mention noinst_HEADERS.
|
|---|
| 1445 |
|
|---|
| 1446 | # NOTE: to override any _gl_TS_* default value, you must
|
|---|
| 1447 | # define the variable(s) using "export" in cfg.mk.
|
|---|
| 1448 | _gl_TS_dir ?= src
|
|---|
| 1449 |
|
|---|
| 1450 | ALL_RECURSIVE_TARGETS += sc_tight_scope
|
|---|
| 1451 | sc_tight_scope: tight-scope.mk
|
|---|
| 1452 | @fail=0; \
|
|---|
| 1453 | if ! grep '^ *export _gl_TS_headers *=' $(srcdir)/cfg.mk \
|
|---|
| 1454 | > /dev/null \
|
|---|
| 1455 | && ! grep -w noinst_HEADERS $(srcdir)/$(_gl_TS_dir)/Makefile.am \
|
|---|
| 1456 | > /dev/null 2>&1; then \
|
|---|
| 1457 | echo '$(ME): skipping $@'; \
|
|---|
| 1458 | else \
|
|---|
| 1459 | $(MAKE) -s -C $(_gl_TS_dir) \
|
|---|
| 1460 | -f Makefile \
|
|---|
| 1461 | -f $(abs_top_srcdir)/cfg.mk \
|
|---|
| 1462 | -f $(abs_top_builddir)/$< \
|
|---|
| 1463 | _gl_tight_scope \
|
|---|
| 1464 | || fail=1; \
|
|---|
| 1465 | fi; \
|
|---|
| 1466 | rm -f $<; \
|
|---|
| 1467 | exit $$fail
|
|---|
| 1468 |
|
|---|
| 1469 | tight-scope.mk: $(ME)
|
|---|
| 1470 | @rm -f $@ $@-t
|
|---|
| 1471 | @perl -ne '/^# TS-start/.../^# TS-end/ and print' $(srcdir)/$(ME) > $@-t
|
|---|
| 1472 | @chmod a=r $@-t && mv $@-t $@
|
|---|
| 1473 |
|
|---|
| 1474 | ifeq (a,b)
|
|---|
| 1475 | # TS-start
|
|---|
| 1476 |
|
|---|
| 1477 | # Most functions should have static scope.
|
|---|
| 1478 | # Any that don't must be marked with 'extern', but 'main'
|
|---|
| 1479 | # and 'usage' are exceptions: they're always extern, but
|
|---|
| 1480 | # do not need to be marked. Symbols matching '__.*' are
|
|---|
| 1481 | # reserved by the compiler, so are automatically excluded below.
|
|---|
| 1482 | _gl_TS_unmarked_extern_functions ?= main usage
|
|---|
| 1483 | _gl_TS_function_match ?= /^(?:$(_gl_TS_extern)) +.*?(\S+) *\(/
|
|---|
| 1484 |
|
|---|
| 1485 | # If your project uses a macro like "XTERN", then put
|
|---|
| 1486 | # the following in cfg.mk to override this default:
|
|---|
| 1487 | # export _gl_TS_extern = extern|XTERN
|
|---|
| 1488 | _gl_TS_extern ?= extern
|
|---|
| 1489 |
|
|---|
| 1490 | # The second nm|grep checks for file-scope variables with 'extern' scope.
|
|---|
| 1491 | # Without gnulib's progname module, you might put program_name here.
|
|---|
| 1492 | # Symbols matching '__.*' are reserved by the compiler,
|
|---|
| 1493 | # so are automatically excluded below.
|
|---|
| 1494 | _gl_TS_unmarked_extern_vars ?=
|
|---|
| 1495 |
|
|---|
| 1496 | # NOTE: the _match variables are perl expressions -- not mere regular
|
|---|
| 1497 | # expressions -- so that you can extend them to match other patterns
|
|---|
| 1498 | # and easily extract matched variable names.
|
|---|
| 1499 | # For example, if your project declares some global variables via
|
|---|
| 1500 | # a macro like this: GLOBAL(type, var_name, initializer), then you
|
|---|
| 1501 | # can override this definition to automatically extract those names:
|
|---|
| 1502 | # export _gl_TS_var_match = \
|
|---|
| 1503 | # /^(?:$(_gl_TS_extern)) .*?\**(\w+)(\[.*?\])?;/ || /\bGLOBAL\(.*?,\s*(.*?),/
|
|---|
| 1504 | _gl_TS_var_match ?= /^(?:$(_gl_TS_extern)) .*?(\w+)(\[.*?\])?;/
|
|---|
| 1505 |
|
|---|
| 1506 | # The names of object files in (or relative to) $(_gl_TS_dir).
|
|---|
| 1507 | _gl_TS_obj_files ?= *.$(OBJEXT)
|
|---|
| 1508 |
|
|---|
| 1509 | # Files in which to search for the one-line style extern declarations.
|
|---|
| 1510 | # $(_gl_TS_dir)-relative.
|
|---|
| 1511 | _gl_TS_headers ?= $(noinst_HEADERS)
|
|---|
| 1512 |
|
|---|
| 1513 | .PHONY: _gl_tight_scope
|
|---|
| 1514 | _gl_tight_scope: $(bin_PROGRAMS)
|
|---|
| 1515 | t=exceptions-$$$$; \
|
|---|
| 1516 | trap 's=$$?; rm -f $$t; exit $$s' 0; \
|
|---|
| 1517 | for sig in 1 2 3 13 15; do \
|
|---|
| 1518 | eval "trap 'v=`expr $$sig + 128`; (exit $$v); exit $$v' $$sig"; \
|
|---|
| 1519 | done; \
|
|---|
| 1520 | src=`for f in $(SOURCES); do \
|
|---|
| 1521 | test -f $$f && d= || d=$(srcdir)/; echo $$d$$f; done`; \
|
|---|
| 1522 | hdr=`for f in $(_gl_TS_headers); do \
|
|---|
| 1523 | test -f $$f && d= || d=$(srcdir)/; echo $$d$$f; done`; \
|
|---|
| 1524 | ( printf '^%s$$\n' '__.*' $(_gl_TS_unmarked_extern_functions); \
|
|---|
| 1525 | grep -h -A1 '^extern .*[^;]$$' $$src \
|
|---|
| 1526 | | grep -vE '^(extern |--)' | sed 's/ .*//'; \
|
|---|
| 1527 | perl -lne \
|
|---|
| 1528 | '$(_gl_TS_function_match) and print "^$$1\$$"' $$hdr; \
|
|---|
| 1529 | ) | sort -u > $$t; \
|
|---|
| 1530 | nm -e $(_gl_TS_obj_files) | sed -n 's/.* T //p'|grep -Ev -f $$t \
|
|---|
| 1531 | && { echo the above functions should have static scope >&2; \
|
|---|
| 1532 | exit 1; } || : ; \
|
|---|
| 1533 | ( printf '^%s$$\n' '__.*' $(_gl_TS_unmarked_extern_vars); \
|
|---|
| 1534 | perl -lne '$(_gl_TS_var_match) and print "^$$1\$$"' $$hdr *.h \
|
|---|
| 1535 | ) | sort -u > $$t; \
|
|---|
| 1536 | nm -e $(_gl_TS_obj_files) | sed -n 's/.* [BCDGRS] //p' \
|
|---|
| 1537 | | sort -u | grep -Ev -f $$t \
|
|---|
| 1538 | && { echo the above variables should have static scope >&2; \
|
|---|
| 1539 | exit 1; } || :
|
|---|
| 1540 | # TS-end
|
|---|
| 1541 | endif
|
|---|
