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1892 lines
68 KiB
Makefile
1892 lines
68 KiB
Makefile
# -*-Makefile-*-
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# This Makefile fragment tries to be general-purpose enough to be
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# used by many projects via the gnulib maintainer-makefile module.
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## Copyright (C) 2001-2024 Free Software Foundation, Inc.
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##
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## This program is free software: you can redistribute it and/or modify
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## it under the terms of the GNU General Public License as published by
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## the Free Software Foundation, either version 3 of the License, or
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## (at your option) any later version.
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##
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## This program is distributed in the hope that it will be useful,
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## but WITHOUT ANY WARRANTY; without even the implied warranty of
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## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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## GNU General Public License for more details.
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##
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## You should have received a copy of the GNU General Public License
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## along with this program. If not, see <https://www.gnu.org/licenses/>.
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# This is reported not to work with make-3.79.1
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# ME := $(word $(words $(MAKEFILE_LIST)),$(MAKEFILE_LIST))
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ME := maint.mk
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# These variables ought to be defined through the configure.ac section
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# of the module description. But some packages import this file directly,
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# ignoring the module description.
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AWK ?= awk
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GREP ?= grep
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SED ?= sed
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# Helper variables.
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_empty =
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_sp = $(_empty) $(_empty)
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# _equal,S1,S2
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# ------------
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# If S1 == S2, return S1, otherwise the empty string.
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_equal = $(and $(findstring $(1),$(2)),$(findstring $(2),$(1)))
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# member-check,VARIABLE,VALID-VALUES
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# ----------------------------------
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# Check that $(VARIABLE) is in the space-separated list of VALID-VALUES, and
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# return it. Die otherwise.
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member-check = \
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$(strip \
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$(if $($(1)), \
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$(if $(findstring $(_sp),$($(1))), \
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$(error invalid $(1): '$($(1))', expected $(2)), \
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$(or $(findstring $(_sp)$($(1))$(_sp),$(_sp)$(2)$(_sp)), \
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$(error invalid $(1): '$($(1))', expected $(2)))), \
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$(error $(1) undefined)))
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# Do not save the original name or timestamp in the .tar.gz file.
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# Use --rsyncable if available.
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gzip_rsyncable := \
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$(shell gzip --help 2>/dev/null|$(GREP) rsyncable >/dev/null \
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&& printf %s --rsyncable)
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GZIP_ENV = '--no-name --best $(gzip_rsyncable)'
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GIT = git
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VC = $(GIT)
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VC_LIST = $(srcdir)/$(_build-aux)/vc-list-files -C $(srcdir)
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# You can override this variable in cfg.mk if your gnulib submodule lives
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# in a different location.
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gnulib_dir ?= $(shell if test -n "$(GNULIB_SRCDIR)" && test -f "$(GNULIB_SRCDIR)/gnulib-tool"; then \
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echo "$(GNULIB_SRCDIR)"; \
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else \
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echo $(srcdir)/gnulib; \
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fi)
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# You can override this variable in cfg.mk to set your own regexp
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# matching files to ignore.
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VC_LIST_ALWAYS_EXCLUDE_REGEX ?= ^$$
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# This is to preprocess robustly the output of $(VC_LIST), so that even
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# when $(srcdir) is a pathological name like "....", the leading sed command
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# removes only the intended prefix.
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_dot_escaped_srcdir = $(subst .,\.,$(srcdir))
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# Post-process $(VC_LIST) output, prepending $(srcdir)/, but only
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# when $(srcdir) is not ".".
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ifeq ($(srcdir),.)
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_prepend_srcdir_prefix =
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else
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_prepend_srcdir_prefix = | $(SED) 's|^|$(srcdir)/|'
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endif
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# In order to be able to consistently filter "."-relative names,
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# (i.e., with no $(srcdir) prefix), this definition is careful to
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# remove any $(srcdir) prefix, and to restore what it removes.
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_sc_excl = \
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$(or $(exclude_file_name_regexp--$@),^$$)
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VC_LIST_EXCEPT = \
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$(VC_LIST) | $(SED) 's|^$(_dot_escaped_srcdir)/||' \
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| if test -f $(srcdir)/.x-$@; then $(GREP) -vEf $(srcdir)/.x-$@; \
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else $(GREP) -Ev -e "$${VC_LIST_EXCEPT_DEFAULT-ChangeLog}"; fi \
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| $(GREP) -Ev -e '($(VC_LIST_ALWAYS_EXCLUDE_REGEX)|$(_sc_excl))' \
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$(_prepend_srcdir_prefix)
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ifeq ($(origin prev_version_file), undefined)
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prev_version_file = $(srcdir)/.prev-version
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endif
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PREV_VERSION := $(shell cat $(prev_version_file) 2>/dev/null)
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VERSION_REGEXP = $(subst .,\.,$(VERSION))
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PREV_VERSION_REGEXP = $(subst .,\.,$(PREV_VERSION))
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ifeq ($(VC),$(GIT))
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this-vc-tag = v$(VERSION)
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this-vc-tag-regexp = v$(VERSION_REGEXP)
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else
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tag-package = $(shell echo "$(PACKAGE)" | tr '[:lower:]' '[:upper:]')
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tag-this-version = $(subst .,_,$(VERSION))
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this-vc-tag = $(tag-package)-$(tag-this-version)
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this-vc-tag-regexp = $(this-vc-tag)
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endif
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my_distdir = $(PACKAGE)-$(VERSION)
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# Old releases are stored here.
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release_archive_dir ?= ../release
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# If RELEASE_TYPE is undefined, but RELEASE is, use its second word.
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# But overwrite VERSION.
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ifdef RELEASE
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VERSION := $(word 1, $(RELEASE))
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RELEASE_TYPE ?= $(word 2, $(RELEASE))
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endif
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# Validate and return $(RELEASE_TYPE), or die.
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RELEASE_TYPES = alpha beta stable
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release-type = $(call member-check,RELEASE_TYPE,$(RELEASE_TYPES))
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# Override gnu_rel_host and url_dir_list in cfg.mk if these are not right.
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# Use alpha.gnu.org for alpha and beta releases.
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# Use ftp.gnu.org for stable releases.
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gnu_ftp_host-alpha = alpha.gnu.org
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gnu_ftp_host-beta = alpha.gnu.org
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gnu_ftp_host-stable = ftp.gnu.org
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gnu_rel_host ?= $(gnu_ftp_host-$(release-type))
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url_dir_list ?= $(if $(call _equal,$(gnu_rel_host),ftp.gnu.org), \
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https://ftpmirror.gnu.org/$(PACKAGE), \
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https://$(gnu_rel_host)/gnu/$(PACKAGE))
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# Override this in cfg.mk if you are using a different format in your
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# NEWS file.
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today = $(shell date +%Y-%m-%d)
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# Select which lines of NEWS are searched for $(news-check-regexp).
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# This is a sed line number spec. The default says that we search
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# lines 1..10 of NEWS for $(news-check-regexp).
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# If you want to search only line 3 or only lines 20-22, use "3" or "20,22".
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news-check-lines-spec ?= 1,10
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news-check-regexp ?= '^\*.* $(VERSION_REGEXP) \($(today)\)'
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# Prevent programs like 'sort' from considering distinct strings to be equal.
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# Doing it here saves us from having to set LC_ALL elsewhere in this file.
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export LC_ALL = C
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## --------------- ##
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## Sanity checks. ##
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## --------------- ##
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ifneq ($(_gl-Makefile),)
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_cfg_mk := $(wildcard $(srcdir)/cfg.mk)
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# Collect the names of rules starting with 'sc_'.
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syntax-check-rules := $(sort $(shell env LC_ALL=C $(SED) -n \
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's/^\(sc_[a-zA-Z0-9_-]*\):.*/\1/p' $(srcdir)/$(ME) $(_cfg_mk)))
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.PHONY: $(syntax-check-rules)
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ifeq ($(shell $(VC_LIST) >/dev/null 2>&1; echo $$?),0)
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local-checks-available += $(syntax-check-rules)
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else
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local-checks-available += no-vc-detected
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no-vc-detected:
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@echo "No version control files detected; skipping syntax check"
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endif
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.PHONY: $(local-checks-available)
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# Arrange to prine the name of each syntax-checking rule just before running it.
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$(syntax-check-rules): %: %.m
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sc_m_rules_ = $(patsubst %, %.m, $(syntax-check-rules))
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.PHONY: $(sc_m_rules_)
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$(sc_m_rules_):
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@echo $(patsubst sc_%.m, %, $@)
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@date +%s.%N > .sc-start-$(basename $@)
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# Compute and print the elapsed time for each syntax-check rule.
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sc_z_rules_ = $(patsubst %, %.z, $(syntax-check-rules))
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.PHONY: $(sc_z_rules_)
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$(sc_z_rules_): %.z: %
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@end=$$(date +%s.%N); \
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start=$$(cat .sc-start-$*); \
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rm -f .sc-start-$*; \
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$(AWK) -v s=$$start -v e=$$end \
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'END {printf "%.2f $(patsubst sc_%,%,$*)\n", e - s}' < /dev/null
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# The patsubst here is to replace each sc_% rule with its sc_%.z wrapper
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# that computes and prints elapsed time.
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local-check := \
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$(patsubst sc_%, sc_%.z, \
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$(filter-out $(local-checks-to-skip), $(local-checks-available)))
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syntax-check: $(local-check)
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endif
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# _sc_search_regexp
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#
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# This macro searches for a given construct in the selected files and
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# then takes some action.
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#
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# Parameters (shell variables):
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#
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# prohibit | require
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#
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# Regular expression (ERE) denoting either a forbidden construct
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# or a required construct. Those arguments are exclusive.
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#
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# exclude
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#
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# Regular expression (ERE) denoting lines to ignore that matched
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# a prohibit construct. For example, this can be used to exclude
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# comments that mention why the nearby code uses an alternative
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# construct instead of the simpler prohibited construct.
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#
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# in_vc_files | in_files
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#
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# grep-E-style regexp selecting the files to check. For in_vc_files,
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# the regexp is used to select matching files from the list of all
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# version-controlled files; for in_files, it's from the names printed
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# by "find $(srcdir)". When neither is specified, use all files that
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# are under version control.
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#
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# containing | non_containing
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#
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# Select the files (non) containing strings matching this regexp.
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# If both arguments are specified then CONTAINING takes
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# precedence.
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#
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# with_grep_options
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#
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# Extra options for grep.
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#
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# ignore_case
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#
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# Ignore case.
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#
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# halt
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#
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# Message to display before to halting execution.
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#
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# Finally, you may exempt files based on an ERE matching file names.
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# For example, to exempt from the sc_space_tab check all files with the
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# .diff suffix, set this Make variable:
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#
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# exclude_file_name_regexp--sc_space_tab = \.diff$
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#
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# Note that while this functionality is mostly inherited via VC_LIST_EXCEPT,
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# when filtering by name via in_files, we explicitly filter out matching
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# names here as well.
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# Initialize each, so that envvar settings cannot interfere.
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export require =
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export prohibit =
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export exclude =
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export in_vc_files =
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export in_files =
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export containing =
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export non_containing =
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export halt =
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export with_grep_options =
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# By default, _sc_search_regexp does not ignore case.
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export ignore_case =
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_ignore_case = $$(test -n "$$ignore_case" && printf %s -i || :)
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define _sc_say_and_exit
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dummy=; : so we do not need a semicolon before each use; \
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{ printf '%s\n' "$(ME): $$msg" 1>&2; exit 1; };
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endef
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define _sc_search_regexp
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dummy=; : so we do not need a semicolon before each use; \
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\
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: Check arguments; \
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test -n "$$prohibit" && test -n "$$require" \
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&& { msg='Cannot specify both prohibit and require' \
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$(_sc_say_and_exit) } || :; \
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test -z "$$prohibit" && test -z "$$require" \
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&& { msg='Should specify either prohibit or require' \
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$(_sc_say_and_exit) } || :; \
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test -z "$$prohibit" && test -n "$$exclude" \
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&& { msg='Use of exclude requires a prohibit pattern' \
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$(_sc_say_and_exit) } || :; \
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test -n "$$in_vc_files" && test -n "$$in_files" \
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&& { msg='Cannot specify both in_vc_files and in_files' \
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$(_sc_say_and_exit) } || :; \
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test "x$$halt" != x \
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|| { msg='halt not defined' $(_sc_say_and_exit) }; \
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\
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: Filter by file name; \
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if test -n "$$in_files"; then \
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files=$$(find $(srcdir) | $(GREP) -E "$$in_files" \
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| $(GREP) -Ev '$(_sc_excl)'); \
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else \
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files=$$($(VC_LIST_EXCEPT)); \
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if test -n "$$in_vc_files"; then \
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files=$$(echo "$$files" | $(GREP) -E "$$in_vc_files"); \
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fi; \
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fi; \
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\
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: Filter by content; \
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test -n "$$files" \
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&& test -n "$$containing" \
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&& { files=$$(echo "$$files" | xargs $(GREP) -l "$$containing"); } \
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|| :; \
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test -n "$$files" \
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&& test -n "$$non_containing" \
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&& { files=$$(echo "$$files" | xargs $(GREP) -vl "$$non_containing"); } \
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|| :; \
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\
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: Check for the construct; \
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if test -n "$$files"; then \
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if test -n "$$prohibit"; then \
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echo "$$files" \
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| xargs $(GREP) $$with_grep_options $(_ignore_case) -nE \
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"$$prohibit" /dev/null \
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| $(GREP) -vE "$${exclude:-^$$}" \
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&& { msg="$$halt" $(_sc_say_and_exit) } \
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|| :; \
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else \
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echo "$$files" \
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| xargs \
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$(GREP) $$with_grep_options $(_ignore_case) -LE "$$require" \
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| $(GREP) . \
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&& { msg="$$halt" $(_sc_say_and_exit) } \
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|| :; \
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fi \
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else :; \
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fi || :;
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endef
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sc_avoid_if_before_free:
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@$(VC_LIST_EXCEPT) \
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| $(GREP) -v useless-if-before-free \
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| xargs \
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$(srcdir)/$(_build-aux)/useless-if-before-free \
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$(useless_free_options) \
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&& { printf '$(ME): found useless "if"' \
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' before "free" above\n' 1>&2; \
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exit 1; } \
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|| :
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sc_cast_of_argument_to_free:
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@prohibit='\<free *\( *\(' halt="don't cast free argument" \
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$(_sc_search_regexp)
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sc_cast_of_x_alloc_return_value:
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@prohibit='\*\) *x(m|c|re)alloc\>' \
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halt="don't cast x*alloc return value" \
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$(_sc_search_regexp)
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sc_cast_of_alloca_return_value:
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@prohibit='\*\) *alloca\>' \
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halt="don't cast alloca return value" \
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$(_sc_search_regexp)
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sc_space_tab:
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@prohibit='[ ] ' \
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halt='found SPACE-TAB sequence; remove the SPACE' \
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$(_sc_search_regexp)
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# Don't use *scanf or the old ato* functions in "real" code.
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# They provide no error checking mechanism.
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# Instead, use strto* functions.
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sc_prohibit_atoi_atof:
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@prohibit='\<([fs]?scanf|ato([filq]|ll)) *\(' \
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halt='do not use *scan''f, ato''f, ato''i, ato''l, ato''ll or ato''q' \
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$(_sc_search_regexp)
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# Use STREQ rather than comparing strcmp == 0, or != 0.
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sp_ = strcmp *\(.+\)
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sc_prohibit_strcmp:
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@prohibit='! *strcmp *\(|\<$(sp_) *[!=]=|[!=]= *$(sp_)' \
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exclude='# *define STRN?EQ\(' \
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halt='replace strcmp calls above with STREQ/STRNEQ' \
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$(_sc_search_regexp)
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# Really. You don't want to use this function.
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# It may fail to NUL-terminate the destination,
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# and always NUL-pads out to the specified length.
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sc_prohibit_strncpy:
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@prohibit='\<strncpy *\(' \
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halt='do not use strncpy, period' \
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$(_sc_search_regexp)
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# Pass EXIT_*, not number, to usage, exit, and error (when exiting)
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# Convert all uses automatically, via these two commands:
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# git grep -l '\<exit *(1)' \
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# | grep -vEf .x-sc_prohibit_magic_number_exit \
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# | xargs --no-run-if-empty \
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# perl -pi -e 's/(^|[^.])\b(exit ?)\(1\)/$1$2(EXIT_FAILURE)/'
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# git grep -l '\<exit *(0)' \
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# | grep -vEf .x-sc_prohibit_magic_number_exit \
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# | xargs --no-run-if-empty \
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# perl -pi -e 's/(^|[^.])\b(exit ?)\(0\)/$1$2(EXIT_SUCCESS)/'
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sc_prohibit_magic_number_exit:
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@prohibit='(^|[^.])\<(usage|exit|error) ?\(-?[0-9]+[,)]' \
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exclude='exit \(77\)|error ?\(((0|77),|[^,]*)' \
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halt='use EXIT_* values rather than magic number' \
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$(_sc_search_regexp)
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# Check that we don't use $< in non-implicit Makefile rules.
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#
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# To find the Makefiles, trace AC_CONFIG_FILES. Using VC_LIST would
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# miss the Makefiles that are not under VC control (e.g., symlinks
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# installed for gettext). "Parsing" (recursive) uses of SUBDIRS seems
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# too delicate.
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#
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# Use GNU Make's --print-data-base to normalize the rules into some
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# easy to parse format: they are separated by two \n. Look for the
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# "section" about non-pattern rules (marked with "# Files") inside
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# which there are still the POSIX Make like implicit rules (".c.o").
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sc_prohibit_gnu_make_extensions_awk_ = \
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BEGIN { \
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RS = "\n\n"; \
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in_rules = 0; \
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} \
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/^\# Files/ { \
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in_rules = 1; \
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} \
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/\$$</ && in_rules && $$0 !~ /^(.*\n)*\.\w+(\.\w+)?:/ { \
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print "Error: " file ": $$< in a non implicit rule\n" $$0; \
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status = 1; \
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} \
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END { \
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exit status; \
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}
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sc_prohibit_gnu_make_extensions:
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@if $(AWK) --version | grep GNU >/dev/null 2>&1; then \
|
|
(cd $(srcdir) && autoconf --trace AC_CONFIG_FILES:'$$1') | \
|
|
tr ' ' '\n' | \
|
|
$(SED) -ne '/Makefile/{s/\.in$$//;p;}' | \
|
|
while read m; do \
|
|
$(MAKE) -qp -f $$m .DUMMY-TARGET 2>/dev/null | \
|
|
$(AWK) -v file=$$m -e '$($@_awk_)' || exit 1; \
|
|
done; \
|
|
fi
|
|
|
|
# Using EXIT_SUCCESS as the first argument to error is misleading,
|
|
# since when that parameter is 0, error does not exit. Use '0' instead.
|
|
sc_error_exit_success:
|
|
@prohibit='error *\(EXIT_SUCCESS,' \
|
|
in_vc_files='\.[chly]$$' \
|
|
halt='found error (EXIT_SUCCESS' \
|
|
$(_sc_search_regexp)
|
|
|
|
# "FATAL:" should be fully upper-cased in error messages
|
|
# "WARNING:" should be fully upper-cased, or fully lower-cased
|
|
sc_error_message_warn_fatal:
|
|
@$(VC_LIST_EXCEPT) \
|
|
| xargs $(GREP) -nEA2 '[^rp]error *\(' /dev/null \
|
|
| $(GREP) -E '"Warning|"Fatal|"fatal' \
|
|
&& { echo '$(ME): use FATAL, WARNING or warning' 1>&2; \
|
|
exit 1; } \
|
|
|| :
|
|
|
|
# Error messages should not start with a capital letter
|
|
sc_error_message_uppercase:
|
|
@$(VC_LIST_EXCEPT) \
|
|
| xargs $(GREP) -nEA2 '[^rp]error *\(' /dev/null \
|
|
| $(GREP) -E '"[A-Z]' \
|
|
| $(GREP) -vE '"FATAL|"WARNING|"Java|"C#|"PRI' \
|
|
&& { echo '$(ME): found capitalized error message' 1>&2; \
|
|
exit 1; } \
|
|
|| :
|
|
|
|
# Error messages should not end with a period
|
|
sc_error_message_period:
|
|
@$(VC_LIST_EXCEPT) \
|
|
| xargs $(GREP) -nEA2 '[^rp]error *\(' /dev/null \
|
|
| $(GREP) -E '[^."]\."' \
|
|
&& { echo '$(ME): found error message ending in period' 1>&2; \
|
|
exit 1; } \
|
|
|| :
|
|
|
|
sc_file_system:
|
|
@prohibit=file''system \
|
|
exclude='/proc/filesystems' \
|
|
ignore_case=1 \
|
|
halt='found use of "file''system"; spell it "file system"' \
|
|
$(_sc_search_regexp)
|
|
|
|
# Don't use cpp tests of this symbol. All code assumes config.h is included.
|
|
sc_prohibit_have_config_h:
|
|
@prohibit='^# *if.*HAVE''_CONFIG_H' \
|
|
halt='found use of HAVE''_CONFIG_H; remove' \
|
|
$(_sc_search_regexp)
|
|
|
|
# Nearly all .c files must include <config.h>. However, we also permit this
|
|
# via inclusion of a package-specific header, if cfg.mk specified one.
|
|
# config_h_header must be suitable for grep -E.
|
|
# Rationale: The Gnulib documentation, node 'Include <config.h>'.
|
|
config_h_header ?= <config\.h>
|
|
sc_require_config_h:
|
|
@require='^# *include $(config_h_header)' \
|
|
in_vc_files='\.c$$' \
|
|
halt='the above files do not include <config.h>' \
|
|
$(_sc_search_regexp)
|
|
|
|
# Print each file name for which the first #include does not match
|
|
# $(config_h_header). Like grep -m 1, this only looks at the first match.
|
|
perl_config_h_first_ = \
|
|
-e 'BEGIN {$$ret = 0}' \
|
|
-e 'if (/^\# *include\b/) {' \
|
|
-e ' if (not m{^\# *include $(config_h_header)}) {' \
|
|
-e ' print "$$ARGV\n";' \
|
|
-e ' $$ret = 1;' \
|
|
-e ' }' \
|
|
-e ' \# Move on to next file after first include' \
|
|
-e ' close ARGV;' \
|
|
-e '}' \
|
|
-e 'END {exit $$ret}'
|
|
|
|
# You must include <config.h> before including any other header file.
|
|
# This can possibly be via a package-specific header, if given by cfg.mk.
|
|
# Rationale: The Gnulib documentation, node 'Include <config.h>'.
|
|
sc_require_config_h_first:
|
|
@if $(VC_LIST_EXCEPT) | $(GREP) '\.c$$' > /dev/null; then \
|
|
files=$$($(VC_LIST_EXCEPT) | $(GREP) '\.c$$') && \
|
|
perl -n $(perl_config_h_first_) $$files || \
|
|
{ echo '$(ME): the above files include some other header' \
|
|
'before <config.h>' 1>&2; exit 1; } || :; \
|
|
else :; \
|
|
fi
|
|
|
|
# Generated headers that override system headers.
|
|
# Keep sorted.
|
|
gl_prefer_angle_bracket_headers_ ?= \
|
|
alloca.h \
|
|
arpa/inet.h \
|
|
assert.h \
|
|
ctype.h \
|
|
dirent.h \
|
|
errno.h \
|
|
error.h \
|
|
fcntl.h \
|
|
fenv.h \
|
|
float.h \
|
|
fnmatch.h \
|
|
getopt.h \
|
|
glob.h \
|
|
iconv.h \
|
|
inttypes.h \
|
|
langinfo.h \
|
|
limits.h \
|
|
locale.h \
|
|
malloc.h \
|
|
math.h \
|
|
monetary.h \
|
|
netdb.h \
|
|
net/if.h \
|
|
netinet/in.h \
|
|
omp.h \
|
|
poll.h \
|
|
pthread.h \
|
|
pty.h \
|
|
sched.h \
|
|
search.h \
|
|
selinux/selinux.h \
|
|
signal.h \
|
|
spawn.h \
|
|
stdalign.h \
|
|
stdarg.h \
|
|
stddef.h \
|
|
stdint.h \
|
|
stdio.h \
|
|
stdlib.h \
|
|
string.h \
|
|
strings.h \
|
|
sysexits.h \
|
|
sys/file.h \
|
|
sys/ioctl.h \
|
|
sys/msg.h \
|
|
sys/random.h \
|
|
sys/resource.h \
|
|
sys/select.h \
|
|
sys/sem.h \
|
|
sys/shm.h \
|
|
sys/socket.h \
|
|
sys/stat.h \
|
|
sys/time.h \
|
|
sys/times.h \
|
|
sys/types.h \
|
|
sys/uio.h \
|
|
sys/utsname.h \
|
|
sys/wait.h \
|
|
termios.h \
|
|
threads.h \
|
|
time.h \
|
|
uchar.h \
|
|
unistd.h \
|
|
utime.h \
|
|
utmp.h \
|
|
wchar.h \
|
|
wctype.h
|
|
|
|
# Remove each .h suffix and change each space to "|".
|
|
angle_bracket_header_re = \
|
|
$(subst $(_sp),|,$(patsubst %.h,%,$(gl_prefer_angle_bracket_headers_)))
|
|
|
|
# Suggest using '#include <header.h>' instead of '#include "header.h"' for
|
|
# headers that override system headers.
|
|
# Rationale: The Gnulib documentation, node 'Style of #include statements'.
|
|
sc_prefer_angle_bracket_headers:
|
|
@prohibit='^ *# *include "($(angle_bracket_header_re))\.h"' \
|
|
halt='Use #include <hdr.h>, not #include "hdr.h" for the above' \
|
|
$(_sc_search_regexp)
|
|
|
|
sc_prohibit_HAVE_MBRTOWC:
|
|
@prohibit='\bHAVE_MBRTOWC\b' \
|
|
halt="do not use $$prohibit; it is always defined" \
|
|
$(_sc_search_regexp)
|
|
|
|
# To use this "command" macro, you must first define two shell variables:
|
|
# h: the header name, with no enclosing <> or ""
|
|
# re: a regular expression that matches IFF something provided by $h is used.
|
|
define _sc_header_without_use
|
|
dummy=; : so we do not need a semicolon before each use; \
|
|
h_esc=`echo '[<"]'"$$h"'[">]'|$(SED) 's/\./\\\\./g'`; \
|
|
if $(VC_LIST_EXCEPT) | $(GREP) '\.c$$' > /dev/null; then \
|
|
files=$$($(GREP) -l '^# *include '"$$h_esc" \
|
|
$$($(VC_LIST_EXCEPT) | $(GREP) '\.c$$')) && \
|
|
$(GREP) -LE "$$re" $$files | $(GREP) . && \
|
|
{ echo "$(ME): the above files include $$h but don't use it" \
|
|
1>&2; exit 1; } || :; \
|
|
else :; \
|
|
fi
|
|
endef
|
|
|
|
# Prohibit the inclusion of assert.h without an actual use of assert.
|
|
sc_prohibit_assert_without_use:
|
|
@h='assert.h' re='\<assert *\(' $(_sc_header_without_use)
|
|
|
|
# Prohibit the inclusion of close-stream.h without an actual use.
|
|
sc_prohibit_close_stream_without_use:
|
|
@h='close-stream.h' re='\<close_stream *\(' $(_sc_header_without_use)
|
|
|
|
# Prohibit the inclusion of getopt.h without an actual use.
|
|
sc_prohibit_getopt_without_use:
|
|
@h='getopt.h' re='\<getopt(_long)? *\(' $(_sc_header_without_use)
|
|
|
|
# Don't include quotearg.h unless you use one of its functions.
|
|
sc_prohibit_quotearg_without_use:
|
|
@h='quotearg.h' re='\<quotearg(_[^ ]+)? *\(' $(_sc_header_without_use)
|
|
|
|
# Don't include quote.h unless you use one of its functions.
|
|
sc_prohibit_quote_without_use:
|
|
@h='quote.h' re='\<quote((_n)? *\(|_quoting_options\>)' \
|
|
$(_sc_header_without_use)
|
|
|
|
# Don't include this header unless you use one of its functions.
|
|
sc_prohibit_long_options_without_use:
|
|
@h='long-options.h' re='\<parse_(long_options|gnu_standard_options_only) *\(' \
|
|
$(_sc_header_without_use)
|
|
|
|
# Don't include this header unless you use one of its functions.
|
|
sc_prohibit_inttostr_without_use:
|
|
@h='inttostr.h' re='\<(off|[iu]max|uint)tostr *\(' \
|
|
$(_sc_header_without_use)
|
|
|
|
# Don't include this header unless you use one of its functions.
|
|
sc_prohibit_ignore_value_without_use:
|
|
@h='ignore-value.h' re='\<ignore_(value|ptr) *\(' \
|
|
$(_sc_header_without_use)
|
|
|
|
# Don't include this header unless you use one of its functions.
|
|
sc_prohibit_error_without_use:
|
|
@h='error.h' \
|
|
re='\<error(_at_line|_print_progname|_one_per_line|_message_count)? *\('\
|
|
$(_sc_header_without_use)
|
|
|
|
# Don't include xalloc.h unless you use one of its symbols.
|
|
# Consider these symbols:
|
|
# perl -lne '/^# *define (\w+)\(/ and print $1' lib/xalloc.h|grep -v '^__';
|
|
# perl -lne 'm{^(?:_Noreturn )?(?:void|char) \*?(\w+) *\(} and print $1' lib/xalloc.h
|
|
# Divide into two sets on case, and filter each through this:
|
|
# | sort | perl -MRegexp::Assemble -le \
|
|
# 'print Regexp::Assemble->new(file => "/dev/stdin")->as_string'|sed 's/\?://g'
|
|
_xa1 = x(i(m(emdup0?|alloc)|realloc(array)?|([cz]|nm)alloc)|([pz]|c(har)?|2n?re|nm)alloc|realloc(array)?|m(alloc|emdup)|alloc_die|strdup)
|
|
_xa2 = X([CZ]|N?M)ALLOC
|
|
sc_prohibit_xalloc_without_use:
|
|
@h='xalloc.h' \
|
|
re='\<($(_xa1)|$(_xa2)) *\('\
|
|
$(_sc_header_without_use)
|
|
|
|
# Extract function names:
|
|
# perl -lne '/^(?:extern )?(?:void|char|Hash_table) \*?(\w+) *\(/ and print $1' lib/hash.h
|
|
_hash_re = \
|
|
hash_(re(set_tuning|move)|xin(itialize|sert)|in(itialize|sert)|get_(firs|nex)t|print_statistics|(delet|fre)e|lookup|clear)
|
|
_hash_fn = \<($(_hash_re)) *\(
|
|
_hash_struct = (struct )?\<[Hh]ash_(table|tuning)\>
|
|
sc_prohibit_hash_without_use:
|
|
@h='hash.h' \
|
|
re='$(_hash_fn)|$(_hash_struct)'\
|
|
$(_sc_header_without_use)
|
|
|
|
sc_prohibit_cloexec_without_use:
|
|
@h='cloexec.h' re='\<(set_cloexec_flag|dup_cloexec) *\(' \
|
|
$(_sc_header_without_use)
|
|
|
|
sc_prohibit_posixver_without_use:
|
|
@h='posixver.h' re='\<posix2_version *\(' $(_sc_header_without_use)
|
|
|
|
sc_prohibit_same_without_use:
|
|
@h='same.h' re='\<same_name(at)? *\(' $(_sc_header_without_use)
|
|
|
|
sc_prohibit_hash_pjw_without_use:
|
|
@h='hash-pjw.h' \
|
|
re='\<hash_pjw\>' \
|
|
$(_sc_header_without_use)
|
|
|
|
sc_prohibit_safe_read_without_use:
|
|
@h='safe-read.h' re='(\<SAFE_READ_ERROR\>|\<safe_read *\()' \
|
|
$(_sc_header_without_use)
|
|
|
|
sc_prohibit_argmatch_without_use:
|
|
@h='argmatch.h' \
|
|
re='(\<(ARGMATCH_DEFINE_GROUP|ARRAY_CARDINALITY|X?ARGMATCH(|_TO_ARGUMENT|_VERIFY))\>|\<(invalid_arg|argmatch(_exit_fn|_(in)?valid)?) *\()' \
|
|
$(_sc_header_without_use)
|
|
|
|
sc_prohibit_canonicalize_without_use:
|
|
@h='canonicalize.h' \
|
|
re='CAN_(EXISTING|ALL_BUT_LAST|MISSING)|canonicalize_(mode_t|filename_mode|file_name)' \
|
|
$(_sc_header_without_use)
|
|
|
|
sc_prohibit_root_dev_ino_without_use:
|
|
@h='root-dev-ino.h' \
|
|
re='(\<ROOT_DEV_INO_(CHECK|WARN)\>|\<get_root_dev_ino *\()' \
|
|
$(_sc_header_without_use)
|
|
|
|
sc_prohibit_openat_without_use:
|
|
@h='openat.h' \
|
|
re='\<(openat_(permissive|needs_fchdir|(save|restore)_fail)|l?(stat|ch(own|mod))at|(euid)?accessat|(FCHMOD|FCHOWN|STAT)AT_INLINE)\>' \
|
|
$(_sc_header_without_use)
|
|
|
|
# Prohibit the inclusion of c-ctype.h without an actual use.
|
|
ctype_re = isalnum|isalpha|isascii|isblank|iscntrl|isdigit|isgraph|islower\
|
|
|isprint|ispunct|isspace|isupper|isxdigit|tolower|toupper
|
|
sc_prohibit_c_ctype_without_use:
|
|
@h='c-ctype.h' re='\<c_($(ctype_re)) *\(' \
|
|
$(_sc_header_without_use)
|
|
|
|
# The following list was generated by running:
|
|
# man signal.h|col -b|perl -ne '/bsd_signal.*;/.../sigwaitinfo.*;/ and print' \
|
|
# | perl -lne '/^\s+(?:int|void).*?(\w+).*/ and print $1' | fmt
|
|
_sig_functions = \
|
|
bsd_signal kill killpg pthread_kill pthread_sigmask raise sigaction \
|
|
sigaddset sigaltstack sigdelset sigemptyset sigfillset sighold sigignore \
|
|
siginterrupt sigismember signal sigpause sigpending sigprocmask sigqueue \
|
|
sigrelse sigset sigsuspend sigtimedwait sigwait sigwaitinfo
|
|
_sig_function_re = $(subst $(_sp),|,$(strip $(_sig_functions)))
|
|
# The following were extracted from "man signal.h" manually.
|
|
_sig_types_and_consts = \
|
|
MINSIGSTKSZ SA_NOCLDSTOP SA_NOCLDWAIT SA_NODEFER SA_ONSTACK \
|
|
SA_RESETHAND SA_RESTART SA_SIGINFO SIGEV_NONE SIGEV_SIGNAL \
|
|
SIGEV_THREAD SIGSTKSZ SIG_BLOCK SIG_SETMASK SIG_UNBLOCK SS_DISABLE \
|
|
SS_ONSTACK mcontext_t pid_t sig_atomic_t sigevent siginfo_t sigset_t \
|
|
sigstack sigval stack_t ucontext_t
|
|
# generated via this:
|
|
# perl -lne '/^#ifdef (SIG\w+)/ and print $1' lib/sig2str.c|sort -u|fmt -70
|
|
_sig_names = \
|
|
SIGABRT SIGALRM SIGALRM1 SIGBUS SIGCANCEL SIGCHLD SIGCLD SIGCONT \
|
|
SIGDANGER SIGDIL SIGEMT SIGFPE SIGFREEZE SIGGRANT SIGHUP SIGILL \
|
|
SIGINFO SIGINT SIGIO SIGIOT SIGKAP SIGKILL SIGKILLTHR SIGLOST SIGLWP \
|
|
SIGMIGRATE SIGMSG SIGPHONE SIGPIPE SIGPOLL SIGPRE SIGPROF SIGPWR \
|
|
SIGQUIT SIGRETRACT SIGSAK SIGSEGV SIGSOUND SIGSTKFLT SIGSTOP SIGSYS \
|
|
SIGTERM SIGTHAW SIGTRAP SIGTSTP SIGTTIN SIGTTOU SIGURG SIGUSR1 \
|
|
SIGUSR2 SIGVIRT SIGVTALRM SIGWAITING SIGWINCH SIGWIND SIGWINDOW \
|
|
SIGXCPU SIGXFSZ
|
|
_sig_syms_re = $(subst $(_sp),|,$(strip $(_sig_names) $(_sig_types_and_consts)))
|
|
|
|
# Prohibit the inclusion of signal.h without an actual use.
|
|
sc_prohibit_signal_without_use:
|
|
@h='signal.h' \
|
|
re='\<($(_sig_function_re)) *\(|\<($(_sig_syms_re))\>' \
|
|
$(_sc_header_without_use)
|
|
|
|
# Don't include stdio--.h unless you use one of its functions.
|
|
sc_prohibit_stdio--_without_use:
|
|
@h='stdio--.h' re='\<((f(re)?|p)open|tmpfile) *\(' \
|
|
$(_sc_header_without_use)
|
|
|
|
# Don't include stdio-safer.h unless you use one of its functions.
|
|
sc_prohibit_stdio-safer_without_use:
|
|
@h='stdio-safer.h' re='\<((f(re)?|p)open|tmpfile)_safer *\(' \
|
|
$(_sc_header_without_use)
|
|
|
|
# Prohibit the inclusion of strings.h without a sensible use.
|
|
# Using the likes of bcmp, bcopy, bzero, index or rindex is not sensible.
|
|
sc_prohibit_strings_without_use:
|
|
@h='strings.h' \
|
|
re='\<(strn?casecmp|ffs(ll)?)\>' \
|
|
$(_sc_header_without_use)
|
|
|
|
# Extract the raw list of symbol names with this:
|
|
gl_extract_define_simple = \
|
|
/^\# *define ([A-Z]\w+)\(/ and print $$1
|
|
# Filter out duplicates and convert to a space-separated list:
|
|
_intprops_names = \
|
|
$(shell f=$(gnulib_dir)/lib/intprops.h; \
|
|
perl -lne '$(gl_extract_define_simple)' $$f | sort -u | tr '\n' ' ')
|
|
# Remove trailing space and convert to a regular expression:
|
|
_intprops_syms_re = $(subst $(_sp),|,$(strip $(_intprops_names)))
|
|
# Prohibit the inclusion of intprops.h without an actual use.
|
|
sc_prohibit_intprops_without_use:
|
|
@h='intprops.h' \
|
|
re='\<($(_intprops_syms_re)) *\(' \
|
|
$(_sc_header_without_use)
|
|
|
|
_stddef_syms_re = \
|
|
NULL|max_align_t|nullptr_t|offsetof|ptrdiff_t|size_t|unreachable|wchar_t
|
|
# Prohibit the inclusion of stddef.h without an actual use.
|
|
sc_prohibit_stddef_without_use:
|
|
@h='stddef.h' \
|
|
re='\<($(_stddef_syms_re))\>' \
|
|
$(_sc_header_without_use)
|
|
|
|
_de1 = dirfd|(close|(fd)?open|read|rewind|seek|tell)dir(64)?(_r)?
|
|
_de2 = (versionsort|struct dirent|getdirentries|alphasort|scandir(at)?)(64)?
|
|
_de3 = MAXNAMLEN|DIR|ino_t|d_ino|d_fileno|d_namlen
|
|
_dirent_syms_re = $(_de1)|$(_de2)|$(_de3)
|
|
# Prohibit the inclusion of dirent.h without an actual use.
|
|
sc_prohibit_dirent_without_use:
|
|
@h='dirent.h' \
|
|
re='\<($(_dirent_syms_re))\>' \
|
|
$(_sc_header_without_use)
|
|
|
|
# Prohibit the inclusion of verify.h without an actual use.
|
|
sc_prohibit_verify_without_use:
|
|
@h='verify.h' \
|
|
re='\<(verify(_expr)?|assume) *\(' \
|
|
$(_sc_header_without_use)
|
|
|
|
# Don't include xfreopen.h unless you use one of its functions.
|
|
sc_prohibit_xfreopen_without_use:
|
|
@h='xfreopen.h' re='\<xfreopen *\(' $(_sc_header_without_use)
|
|
|
|
sc_obsolete_symbols:
|
|
@prohibit='\<(HAVE''_FCNTL_H|O''_NDELAY)\>' \
|
|
halt='do not use HAVE''_FCNTL_H or O'_NDELAY \
|
|
$(_sc_search_regexp)
|
|
|
|
# FIXME: warn about definitions of EXIT_FAILURE, EXIT_SUCCESS, STREQ
|
|
|
|
# Each nonempty ChangeLog line must start with a year number, or a TAB.
|
|
sc_changelog:
|
|
@prohibit='^[^12 ]' \
|
|
in_vc_files='^ChangeLog$$' \
|
|
halt='found unexpected prefix in a ChangeLog' \
|
|
$(_sc_search_regexp)
|
|
|
|
# Ensure that each .c file containing a "main" function also
|
|
# calls bindtextdomain.
|
|
sc_bindtextdomain:
|
|
@require='bindtextdomain *\(' \
|
|
in_vc_files='\.c$$' \
|
|
containing='\<main *(' \
|
|
halt='the above files do not call bindtextdomain' \
|
|
$(_sc_search_regexp)
|
|
|
|
# Require that the final line of each test-lib.sh-using test be this one:
|
|
# Exit $fail
|
|
# Note: this test requires GNU grep's --label= option.
|
|
Exit_witness_file ?= tests/test-lib.sh
|
|
Exit_base := $(notdir $(Exit_witness_file))
|
|
sc_require_test_exit_idiom:
|
|
@if test -f $(srcdir)/$(Exit_witness_file); then \
|
|
die=0; \
|
|
for i in $$($(GREP) -l -F 'srcdir/$(Exit_base)' \
|
|
$$($(VC_LIST) tests)); do \
|
|
tail -n1 $$i | $(GREP) '^Exit .' > /dev/null \
|
|
&& : || { die=1; echo $$i; } \
|
|
done; \
|
|
test $$die = 1 && \
|
|
{ echo 1>&2 '$(ME): the final line in each of the above is not:'; \
|
|
echo 1>&2 'Exit something'; \
|
|
exit 1; } || :; \
|
|
fi
|
|
|
|
sc_trailing_blank:
|
|
@prohibit='[ ]$$' \
|
|
halt='found trailing blank(s)' \
|
|
exclude='^Binary file .* matches$$' \
|
|
$(_sc_search_regexp)
|
|
|
|
# Match lines like the following, but where there is only one space
|
|
# between the options and the description:
|
|
# -D, --all-repeated[=delimit-method] print all duplicate lines\n
|
|
longopt_re = --[a-z][0-9A-Za-z-]*(\[?=[0-9A-Za-z-]*]?)?
|
|
sc_two_space_separator_in_usage:
|
|
@prohibit='^ *(-[A-Za-z],)? $(longopt_re) [^ ].*\\$$' \
|
|
halt='help2man requires at least two spaces between an option and its description'\
|
|
$(_sc_search_regexp)
|
|
|
|
# A regexp matching function names like "error" that may be used
|
|
# to emit translatable messages.
|
|
_gl_translatable_diag_func_re ?= error
|
|
|
|
# Look for diagnostics that aren't marked for translation.
|
|
# This won't find any for which error's format string is on a separate line.
|
|
sc_unmarked_diagnostics:
|
|
@prohibit='\<$(_gl_translatable_diag_func_re) *\([^"]*"[^"]*[a-z]{3}' \
|
|
exclude='(_|ngettext ?)\(' \
|
|
halt='found unmarked diagnostic(s)' \
|
|
$(_sc_search_regexp)
|
|
|
|
# Avoid useless parentheses like those in this example:
|
|
# #if defined (SYMBOL) || defined (SYM2)
|
|
sc_useless_cpp_parens:
|
|
@prohibit='^# *if .*defined *\(' \
|
|
halt='found useless parentheses in cpp directive' \
|
|
$(_sc_search_regexp)
|
|
|
|
# List headers for which HAVE_HEADER_H is always true, assuming you are
|
|
# using the appropriate gnulib module. CAUTION: for each "unnecessary"
|
|
# #if HAVE_HEADER_H that you remove, be sure that your project explicitly
|
|
# requires the gnulib module that guarantees the usability of that header.
|
|
gl_assured_headers_ = \
|
|
cd $(gnulib_dir)/lib && echo *.in.h|$(SED) 's/\.in\.h//g'
|
|
|
|
# Convert the list of names to upper case, and replace each space with "|".
|
|
az_ = abcdefghijklmnopqrstuvwxyz
|
|
AZ_ = ABCDEFGHIJKLMNOPQRSTUVWXYZ
|
|
gl_header_upper_case_or_ = \
|
|
$$($(gl_assured_headers_) \
|
|
| tr $(az_)/.- $(AZ_)___ \
|
|
| tr -s ' ' '|' \
|
|
)
|
|
sc_prohibit_always_true_header_tests:
|
|
@or=$(gl_header_upper_case_or_); \
|
|
re="HAVE_($$or)_H"; \
|
|
prohibit='\<'"$$re"'\>' \
|
|
halt=$$(printf '%s\n' \
|
|
'do not test the above HAVE_<header>_H symbol(s);' \
|
|
' with the corresponding gnulib module, they are always true') \
|
|
$(_sc_search_regexp)
|
|
|
|
sc_prohibit_defined_have_decl_tests:
|
|
@prohibit='(#[ ]*ifn?def|\<defined)\>[ (]+HAVE_DECL_' \
|
|
halt='HAVE_DECL macros are always defined' \
|
|
$(_sc_search_regexp)
|
|
|
|
# ==================================================================
|
|
gl_other_headers_ ?= \
|
|
intprops.h \
|
|
openat.h \
|
|
stat-macros.h
|
|
|
|
# Perl -lne code to extract "significant" cpp-defined symbols from a
|
|
# gnulib header file, eliminating a few common false-positives.
|
|
# The exempted names below are defined only conditionally in gnulib,
|
|
# and hence sometimes must/may be defined in application code.
|
|
gl_extract_significant_defines_ = \
|
|
/^\# *define ([^_ (][^ (]*)(\s*\(|\s+\w+)/\
|
|
&& $$2 !~ /(?:rpl_|_used_without_)/\
|
|
&& $$1 !~ /^(?:NSIG|ENODATA)$$/\
|
|
&& $$1 !~ /^(?:SA_RESETHAND|SA_RESTART)$$/\
|
|
and print $$1
|
|
|
|
# Create a list of regular expressions matching the names
|
|
# of macros that are guaranteed to be defined by parts of gnulib.
|
|
define def_sym_regex
|
|
gen_h=$(gl_generated_headers_); \
|
|
(cd $(gnulib_dir)/lib; \
|
|
for f in *.in.h $(gl_other_headers_); do \
|
|
test -f $$f \
|
|
&& perl -lne '$(gl_extract_significant_defines_)' $$f; \
|
|
done; \
|
|
) | sort -u \
|
|
| $(SED) 's/^/^ *# *(define|undef) */;s/$$/\\>/'
|
|
endef
|
|
|
|
# Don't define macros that we already get from gnulib header files.
|
|
sc_prohibit_always-defined_macros:
|
|
@if test -d $(gnulib_dir); then \
|
|
case $$(echo all: | $(GREP) -l -f - Makefile) in Makefile);; *) \
|
|
echo '$(ME): skipping $@: you lack GNU grep' 1>&2; exit 0;; \
|
|
esac; \
|
|
regex=$$($(def_sym_regex)); export regex; \
|
|
$(VC_LIST_EXCEPT) \
|
|
| xargs sh -c 'echo $$regex | $(GREP) -E -f - "$$@"' \
|
|
dummy /dev/null \
|
|
&& { printf '$(ME): define the above' \
|
|
' via some gnulib .h file\n' 1>&2; \
|
|
exit 1; } \
|
|
|| :; \
|
|
fi
|
|
|
|
# ==================================================================
|
|
|
|
# Prohibit checked in backup files.
|
|
sc_prohibit_backup_files:
|
|
@$(VC_LIST) | $(GREP) '~$$' && \
|
|
{ echo '$(ME): found version controlled backup file' 1>&2; \
|
|
exit 1; } || :
|
|
|
|
# Require the latest GPL.
|
|
sc_GPL_version:
|
|
@prohibit='either ''version [^3]' \
|
|
halt='GPL vN, N!=3' \
|
|
$(_sc_search_regexp)
|
|
|
|
# Require the latest GFDL. Two regexp, since some .texi files end up
|
|
# line wrapping between 'Free Documentation License,' and 'Version'.
|
|
_GFDL_regexp = (Free ''Documentation.*Version 1\.[^3]|Version 1\.[^3] or any)
|
|
sc_GFDL_version:
|
|
@prohibit='$(_GFDL_regexp)' \
|
|
halt='GFDL vN, N!=3' \
|
|
$(_sc_search_regexp)
|
|
|
|
# Don't use Texinfo's @acronym{}.
|
|
# https://lists.gnu.org/r/bug-gnulib/2010-03/msg00321.html
|
|
texinfo_suffix_re_ ?= \.(txi|texi(nfo)?)$$
|
|
sc_texinfo_acronym:
|
|
@prohibit='@acronym\{' \
|
|
in_vc_files='$(texinfo_suffix_re_)' \
|
|
halt='found use of Texinfo @acronym{}' \
|
|
$(_sc_search_regexp)
|
|
|
|
cvs_keywords = \
|
|
Author|Date|Header|Id|Name|Locker|Log|RCSfile|Revision|Source|State
|
|
|
|
sc_prohibit_cvs_keyword:
|
|
@prohibit='\$$($(cvs_keywords))\$$' \
|
|
halt='do not use CVS keyword expansion' \
|
|
$(_sc_search_regexp)
|
|
|
|
# This Perl code is slightly obfuscated. Not only is each "$" doubled
|
|
# because it's in a Makefile, but the $$c's are comments; we cannot
|
|
# use "#" due to the way the script ends up concatenated onto one line.
|
|
# It would be much more concise, and would produce better output (including
|
|
# counts) if written as:
|
|
# perl -ln -0777 -e '/\n(\n+)$/ and print "$ARGV: ".length $1' ...
|
|
# but that would be far less efficient, reading the entire contents
|
|
# of each file, rather than just the last two bytes of each.
|
|
# In addition, while the code below detects both blank lines and a missing
|
|
# newline at EOF, the above detects only the former.
|
|
#
|
|
# This is a perl script that is expected to be the single-quoted argument
|
|
# to a command-line "-le". The remaining arguments are file names.
|
|
# Print the name of each file that does not end in exactly one newline byte.
|
|
# I.e., warn if there are blank lines (2 or more newlines), or if the
|
|
# last byte is not a newline. However, currently we don't complain
|
|
# about any file that contains exactly one byte.
|
|
# Exit nonzero if at least one such file is found, otherwise, exit 0.
|
|
# Warn about, but otherwise ignore open failure. Ignore seek/read failure.
|
|
#
|
|
# Use this if you want to remove trailing empty lines from selected files:
|
|
# perl -pi -0777 -e 's/\n\n+$/\n/' files...
|
|
#
|
|
require_exactly_one_NL_at_EOF_ = \
|
|
foreach my $$f (@ARGV) \
|
|
{ \
|
|
open F, "<", $$f or (warn "failed to open $$f: $$!\n"), next; \
|
|
my $$p = sysseek (F, -2, 2); \
|
|
my $$c = "seek failure probably means file has < 2 bytes; ignore"; \
|
|
my $$last_two_bytes; \
|
|
defined $$p and $$p = sysread F, $$last_two_bytes, 2; \
|
|
close F; \
|
|
$$c = "ignore read failure"; \
|
|
$$p && ($$last_two_bytes eq "\n\n" \
|
|
|| substr ($$last_two_bytes,1) ne "\n") \
|
|
and (print $$f), $$fail=1; \
|
|
} \
|
|
END { exit defined $$fail }
|
|
sc_prohibit_empty_lines_at_EOF:
|
|
@$(VC_LIST_EXCEPT) \
|
|
| xargs perl -le '$(require_exactly_one_NL_at_EOF_)' \
|
|
|| { echo '$(ME): empty line(s) or no newline at EOF' 1>&2; \
|
|
exit 1; } \
|
|
|| :
|
|
|
|
# Make sure we don't use st_blocks. Use ST_NBLOCKS or STP_NBLOCKS instead.
|
|
# This is a bit of a kludge, since it prevents use of the string
|
|
# even in comments, but for now it does the job with no false positives.
|
|
sc_prohibit_stat_st_blocks:
|
|
@prohibit='[.>]st_blocks' \
|
|
halt='do not use st_blocks; use ST_NBLOCKS or STP_NBLOCKS' \
|
|
$(_sc_search_regexp)
|
|
|
|
# Make sure we don't define any S_IS* macros in src/*.c files.
|
|
# They're already defined via gnulib's sys/stat.h replacement.
|
|
sc_prohibit_S_IS_definition:
|
|
@prohibit='^ *# *define *S_IS' \
|
|
halt='do not define S_IS* macros; include <sys/stat.h>' \
|
|
$(_sc_search_regexp)
|
|
|
|
# Perl block to convert a match to FILE_NAME:LINENO:TEST,
|
|
# that is shared by two definitions below.
|
|
perl_filename_lineno_text_ = \
|
|
-e ' {' \
|
|
-e ' $$n = ($$` =~ tr/\n/\n/ + 1);' \
|
|
-e ' ($$v = $$&) =~ s/\n/\\n/g;' \
|
|
-e ' print "$$ARGV:$$n:$$v\n";' \
|
|
-e ' }'
|
|
|
|
prohibit_doubled_words_ = \
|
|
the then in an on if is it but for or at and do to can
|
|
# expand the regex before running the check to avoid using expensive captures
|
|
prohibit_doubled_word_expanded_ = \
|
|
$(join $(prohibit_doubled_words_),$(addprefix \s+,$(prohibit_doubled_words_)))
|
|
prohibit_doubled_word_RE_ ?= \
|
|
/\b(?:$(subst $(_sp),|,$(prohibit_doubled_word_expanded_)))\b/gims
|
|
prohibit_doubled_word_ = \
|
|
-e 'while ($(prohibit_doubled_word_RE_))' \
|
|
$(perl_filename_lineno_text_)
|
|
|
|
# Define this to a regular expression that matches
|
|
# any filename:dd:match lines you want to ignore.
|
|
# The default is to ignore no matches.
|
|
ignore_doubled_word_match_RE_ ?= ^$$
|
|
|
|
sc_prohibit_doubled_word:
|
|
@$(VC_LIST_EXCEPT) \
|
|
| xargs perl -n -0777 $(prohibit_doubled_word_) \
|
|
| $(GREP) -vE '$(ignore_doubled_word_match_RE_)' \
|
|
| $(GREP) . \
|
|
&& { echo '$(ME): doubled words' 1>&2; exit 1; } \
|
|
|| :
|
|
|
|
# A regular expression matching undesirable combinations of words like
|
|
# "can not"; this matches them even when the two words appear on different
|
|
# lines, but not when there is an intervening delimiter like "#" or "*".
|
|
# Similarly undesirable, "See @xref{...}", since an @xref should start
|
|
# a sentence. Explicitly prohibit any prefix of "see" or "also".
|
|
# Also prohibit a prefix matching "\w+ +".
|
|
# @pxref gets the same see/also treatment and should be parenthesized;
|
|
# presume it must *not* start a sentence.
|
|
# POSIX spells it "timestamp" rather than "time\s+stamp", so we do, too.
|
|
bad_xref_re_ ?= (?:[\w,:;] +|(?:see|also)\s+)\@xref\{
|
|
bad_pxref_re_ ?= (?:[.!?]|(?:see|also))\s+\@pxref\{
|
|
prohibit_undesirable_word_seq_RE_ ?= \
|
|
/(?:\bcan\s+not\b|\btime\s+stamps?\b|$(bad_xref_re_)|$(bad_pxref_re_))/gims
|
|
prohibit_undesirable_word_seq_ = \
|
|
-e 'while ($(prohibit_undesirable_word_seq_RE_))' \
|
|
$(perl_filename_lineno_text_)
|
|
# Define this to a regular expression that matches
|
|
# any filename:dd:match lines you want to ignore.
|
|
# The default is to ignore no matches.
|
|
ignore_undesirable_word_sequence_RE_ ?= ^$$
|
|
|
|
sc_prohibit_undesirable_word_seq:
|
|
@$(VC_LIST_EXCEPT) \
|
|
| xargs perl -n -0777 $(prohibit_undesirable_word_seq_) \
|
|
| $(GREP) -vE '$(ignore_undesirable_word_sequence_RE_)' \
|
|
| $(GREP) . \
|
|
&& { echo '$(ME): undesirable word sequence' >&2; exit 1; } \
|
|
|| :
|
|
|
|
# Except for shell files and for loops, double semicolon is probably a mistake
|
|
sc_prohibit_double_semicolon:
|
|
@prohibit='; *;[ {} \]*(/[/*]|$$)' \
|
|
in_vc_files='\.[chly]$$' \
|
|
exclude='\bfor *\(.*\)' \
|
|
halt="Double semicolon detected" \
|
|
$(_sc_search_regexp)
|
|
|
|
_ptm1 = use "test C1 && test C2", not "test C1 -''a C2"
|
|
_ptm2 = use "test C1 || test C2", not "test C1 -''o C2"
|
|
# Using test's -a and -o operators is not portable.
|
|
# We prefer test over [, since the latter is spelled [[ in configure.ac.
|
|
sc_prohibit_test_minus_ao:
|
|
@prohibit='(\<test| \[+) .+ -[ao] ' \
|
|
halt='$(_ptm1); $(_ptm2)' \
|
|
$(_sc_search_regexp)
|
|
|
|
# Avoid a test bashism.
|
|
sc_prohibit_test_double_equal:
|
|
@prohibit='(\<test| \[+) .+ == ' \
|
|
containing='#! */bin/[a-z]*sh' \
|
|
halt='use "test x = x", not "test x =''= x"' \
|
|
$(_sc_search_regexp)
|
|
|
|
# Each program that uses proper_name_utf8 must link with one of the
|
|
# ICONV libraries. Otherwise, some ICONV library must appear in LDADD.
|
|
# The perl -0777 invocation below extracts the possibly-multi-line
|
|
# definition of LDADD from the appropriate Makefile.am and exits 0
|
|
# when it contains "ICONV".
|
|
sc_proper_name_utf8_requires_ICONV:
|
|
@progs=$$($(VC_LIST_EXCEPT) \
|
|
| xargs $(GREP) -l 'proper_name_utf8 ''("'); \
|
|
if test "x$$progs" != x; then \
|
|
fail=0; \
|
|
for p in $$progs; do \
|
|
dir=$$(dirname "$$p"); \
|
|
perl -0777 \
|
|
-ne 'exit !(/^LDADD =(.+?[^\\]\n)/ms && $$1 =~ /ICONV/)' \
|
|
$$dir/Makefile.am && continue; \
|
|
base=$$(basename "$$p" .c); \
|
|
$(GREP) "$${base}_LDADD.*ICONV)" $$dir/Makefile.am > /dev/null \
|
|
|| { fail=1; echo 1>&2 "$(ME): $$p uses proper_name_utf8"; }; \
|
|
done; \
|
|
test $$fail = 1 && \
|
|
{ echo 1>&2 '$(ME): the above do not link with any ICONV library'; \
|
|
exit 1; } || :; \
|
|
fi
|
|
|
|
# Warn about "c0nst struct Foo const foo[]",
|
|
# but not about "char const *const foo" or "#define const const".
|
|
sc_redundant_const:
|
|
@prohibit='\bconst\b[[:space:][:alnum:]]{2,}\bconst\b' \
|
|
halt='redundant "const" in declarations' \
|
|
$(_sc_search_regexp)
|
|
|
|
sc_const_long_option:
|
|
@prohibit='^ *static.*struct option ' \
|
|
exclude='const struct option|struct option const' \
|
|
halt='add "const" to the above declarations' \
|
|
$(_sc_search_regexp)
|
|
|
|
NEWS_hash = \
|
|
$$($(SED) -n '/^\*.* $(PREV_VERSION_REGEXP) ([0-9-]*)/,$$p' \
|
|
$(srcdir)/NEWS \
|
|
| perl -0777 -pe \
|
|
's/^Copyright.+?Free\sSoftware\sFoundation,\sInc\.\n//ms' \
|
|
| md5sum - \
|
|
| $(SED) 's/ .*//')
|
|
|
|
# Ensure that we don't accidentally insert an entry into an old NEWS block.
|
|
sc_immutable_NEWS:
|
|
@if test -f $(srcdir)/NEWS; then \
|
|
test "$(NEWS_hash)" = '$(old_NEWS_hash)' && : || \
|
|
{ echo '$(ME): you have modified old NEWS' 1>&2; exit 1; }; \
|
|
fi
|
|
|
|
# Update the hash stored above. Do this after each release and
|
|
# for any corrections to old entries.
|
|
update-NEWS-hash: NEWS
|
|
perl -pi -e 's/^(old_NEWS_hash[ \t]+:?=[ \t]+).*/$${1}'"$(NEWS_hash)/" \
|
|
$(srcdir)/cfg.mk
|
|
|
|
# Ensure that we use only the standard $(VAR) notation,
|
|
# not @...@ in Makefile.am, now that we can rely on automake
|
|
# to emit a definition for each substituted variable.
|
|
# However, there is still one case in which @VAR@ use is not just
|
|
# legitimate, but actually required: when augmenting an automake-defined
|
|
# variable with a prefix. For example, gettext uses this:
|
|
# MAKEINFO = env LANG= LC_MESSAGES= LC_ALL= LANGUAGE= @MAKEINFO@
|
|
# otherwise, makeinfo would put German or French (current locale)
|
|
# navigation hints in the otherwise-English documentation.
|
|
#
|
|
# Allow the package to add exceptions via a hook in cfg.mk;
|
|
# for example, @PRAGMA_SYSTEM_HEADER@ can be permitted by
|
|
# setting this to ' && !/PRAGMA_SYSTEM_HEADER/'.
|
|
_makefile_at_at_check_exceptions ?=
|
|
sc_makefile_at_at_check:
|
|
@perl -ne '/\@\w+\@/' \
|
|
-e ' && !/(\w+)\s+=.*\@\1\@$$/' \
|
|
-e ''$(_makefile_at_at_check_exceptions) \
|
|
-e 'and (print "$$ARGV:$$.: $$_"), $$m=1; END {exit !$$m}' \
|
|
$$($(VC_LIST_EXCEPT) | $(GREP) -E '(^|/)(Makefile\.am|[^/]+\.mk)$$') \
|
|
&& { echo '$(ME): use $$(...), not @...@' 1>&2; exit 1; } || :
|
|
|
|
news-check: NEWS
|
|
$(AM_V_GEN)if $(SED) -n $(news-check-lines-spec)p $< \
|
|
| $(GREP) -E $(news-check-regexp) >/dev/null; then \
|
|
:; \
|
|
else \
|
|
echo 'NEWS: $$(news-check-regexp) failed to match' 1>&2; \
|
|
exit 1; \
|
|
fi
|
|
|
|
sc_makefile_TAB_only_indentation:
|
|
@prohibit='^ [ ]{8}' \
|
|
in_vc_files='akefile|\.mk$$' \
|
|
halt='found TAB-8-space indentation' \
|
|
$(_sc_search_regexp)
|
|
|
|
sc_m4_quote_check:
|
|
@prohibit='(AC_DEFINE(_UNQUOTED)?|AC_DEFUN)\([^[]' \
|
|
in_vc_files='(^configure\.ac|\.m4)$$' \
|
|
halt='quote the first arg to AC_DEF*' \
|
|
$(_sc_search_regexp)
|
|
|
|
fix_po_file_diag = \
|
|
'you have changed the set of files with translatable diagnostics;\n\
|
|
apply the above patch\n'
|
|
|
|
# Generate a list of files in which to search for translatable strings.
|
|
perl_translatable_files_list_ = \
|
|
-e 'foreach $$file (@ARGV) {' \
|
|
-e ' \# Consider only file extensions with one or two letters' \
|
|
-e ' $$file =~ /\...?$$/ or next;' \
|
|
-e ' \# Ignore m4 and mk files' \
|
|
-e ' $$file =~ /\.m[4k]$$/ and next;' \
|
|
-e ' \# Ignore a .c or .h file with a corresponding .l or .y file' \
|
|
-e ' $$file =~ /(.+)\.[ch]$$/ && (-e "$${1}.l" || -e "$${1}.y")' \
|
|
-e ' and next;' \
|
|
-e ' \# Skip unreadable files' \
|
|
-e ' -r $$file or next;' \
|
|
-e ' print "$$file ";' \
|
|
-e '}'
|
|
|
|
# Verify that all source files using _() (more specifically, files that
|
|
# match $(_gl_translatable_string_re)) are listed in po/POTFILES.in.
|
|
po_file ?= $(srcdir)/po/POTFILES.in
|
|
generated_files ?= $(srcdir)/lib/*.[ch]
|
|
_gl_translatable_string_re ?= \b(N?_|gettext *)\([^)"]*("|$$)
|
|
sc_po_check:
|
|
@if test -f $(po_file); then \
|
|
$(GREP) -E -v '^(#|$$)' $(po_file) \
|
|
| $(GREP) -v '^src/false\.c$$' | sort > $@-1; \
|
|
{ $(VC_LIST_EXCEPT); echo $(generated_files); } \
|
|
| xargs perl $(perl_translatable_files_list_) \
|
|
| xargs $(GREP) -E -l '$(_gl_translatable_string_re)' \
|
|
| $(SED) 's|^$(_dot_escaped_srcdir)/||' \
|
|
| sort -u > $@-2; \
|
|
diff -u -L $(po_file) -L $(po_file) $@-1 $@-2 \
|
|
|| { printf '$(ME): '$(fix_po_file_diag) 1>&2; exit 1; }; \
|
|
rm -f $@-1 $@-2; \
|
|
fi
|
|
|
|
# Sometimes it is useful to change the PATH environment variable
|
|
# in Makefiles. When doing so, it's better not to use the Unix-centric
|
|
# path separator of ':', but rather the automake-provided '$(PATH_SEPARATOR)'.
|
|
msg = 'Do not use ":" above; use $$(PATH_SEPARATOR) instead'
|
|
sc_makefile_path_separator_check:
|
|
@prohibit='PATH[=].*:' \
|
|
in_vc_files='akefile|\.mk$$' \
|
|
halt=$(msg) \
|
|
$(_sc_search_regexp)
|
|
|
|
sc_makefile_DISTCHECK_CONFIGURE_FLAGS:
|
|
@prohibit='^DISTCHECK_CONFIGURE_FLAGS' \
|
|
in_vc_files='akefile|\.mk$$' \
|
|
halt="use AM_DISTCHECK_CONFIGURE_FLAGS" \
|
|
$(_sc_search_regexp)
|
|
|
|
# Check that 'make alpha' will not fail at the end of the process,
|
|
# i.e., when pkg-M.N.tar.xz already exists (either in "." or in ../release)
|
|
# and is read-only.
|
|
writable-files:
|
|
$(AM_V_GEN)if test -d $(release_archive_dir); then \
|
|
for file in $(DIST_ARCHIVES); do \
|
|
for p in ./ $(release_archive_dir)/; do \
|
|
test -e $$p$$file || continue; \
|
|
test -w $$p$$file \
|
|
|| { echo ERROR: $$p$$file is not writable; fail=1; }; \
|
|
done; \
|
|
done; \
|
|
test "$$fail" && exit 1 || : ; \
|
|
else :; \
|
|
fi
|
|
|
|
v_etc_file = $(gnulib_dir)/lib/version-etc.c
|
|
sample-test = tests/sample-test
|
|
texi = doc/$(PACKAGE).texi
|
|
# Make sure that the copyright date in $(v_etc_file) is up to date.
|
|
# Do the same for the $(sample-test) and the main doc/.texi file.
|
|
sc_copyright_check:
|
|
@require='enum { COPYRIGHT_YEAR = '$$(date +%Y)' };' \
|
|
in_files=$(v_etc_file) \
|
|
halt='out of date copyright in $(v_etc_file); update it' \
|
|
$(_sc_search_regexp)
|
|
@require='# Copyright \(C\) '$$(date +%Y)' Free' \
|
|
in_vc_files=$(sample-test) \
|
|
halt='out of date copyright in $(sample-test); update it' \
|
|
$(_sc_search_regexp)
|
|
@require='Copyright @copyright\{} .*'$$(date +%Y) \
|
|
in_vc_files=$(texi) \
|
|
halt='out of date copyright in $(texi); update it' \
|
|
$(_sc_search_regexp)
|
|
|
|
# If tests/help-version exists and seems to be new enough, assume that its
|
|
# use of init.sh and path_prepend_ is correct, and ensure that every other
|
|
# use of init.sh is identical.
|
|
# This is useful because help-version cross-checks prog --version
|
|
# with $(VERSION), which verifies that its path_prepend_ invocation
|
|
# sets PATH correctly. This is an inexpensive way to ensure that
|
|
# the other init.sh-using tests also get it right.
|
|
_hv_file ?= $(srcdir)/tests/help-version
|
|
_hv_regex_weak ?= ^ *\. .*/init\.sh"
|
|
# Fix syntax-highlighters "
|
|
_hv_regex_strong ?= ^ *\. "\$${srcdir=\.}/init\.sh"
|
|
sc_cross_check_PATH_usage_in_tests:
|
|
@if test -f $(_hv_file); then \
|
|
$(GREP) -l 'VERSION mismatch' $(_hv_file) >/dev/null \
|
|
|| { echo "$@: skipped: no such file: $(_hv_file)" 1>&2; \
|
|
exit 0; }; \
|
|
$(GREP) -lE '$(_hv_regex_strong)' $(_hv_file) >/dev/null \
|
|
|| { echo "$@: $(_hv_file) lacks conforming use of init.sh" 1>&2; \
|
|
exit 1; }; \
|
|
good=$$($(GREP) -E '$(_hv_regex_strong)' $(_hv_file)); \
|
|
$(VC_LIST_EXCEPT) \
|
|
| xargs $(GREP) -lE '$(_hv_regex_weak)' \
|
|
| xargs $(GREP) -LFx "$$good" \
|
|
| $(GREP) . \
|
|
&& { printf "$(ME): the above files use" \
|
|
" path_prepend_ inconsistently\n" 1>&2; \
|
|
exit 1; } \
|
|
|| :; \
|
|
fi
|
|
|
|
# BRE regex of file contents to identify a test script.
|
|
_test_script_regex ?= \<init\.sh\>
|
|
|
|
# In tests, use "compare expected actual", not the reverse.
|
|
sc_prohibit_reversed_compare_failure:
|
|
@prohibit='\<compare [^ ]+ ([^ ]*exp|/dev/null)' \
|
|
containing='$(_test_script_regex)' \
|
|
halt='reversed compare arguments' \
|
|
$(_sc_search_regexp)
|
|
|
|
# #if HAVE_... will evaluate to false for any non numeric string.
|
|
# That would be flagged by using -Wundef, however gnulib currently
|
|
# tests many undefined macros, and so we can't enable that option.
|
|
# So at least preclude common boolean strings as macro values.
|
|
sc_Wundef_boolean:
|
|
@prohibit='^#define.*(yes|no|true|false)$$' \
|
|
in_files='$(CONFIG_INCLUDE)' \
|
|
halt='Use 0 or 1 for macro values' \
|
|
$(_sc_search_regexp)
|
|
|
|
# Even if you use pathmax.h to guarantee that PATH_MAX is defined, it might
|
|
# not be constant, or might overflow a stack. In general, use PATH_MAX as
|
|
# a limit, not an array or alloca size.
|
|
sc_prohibit_path_max_allocation:
|
|
@prohibit='(\balloca *\([^)]*|\[[^]]*)\bPATH_MAX' \
|
|
halt='Avoid stack allocations of size PATH_MAX' \
|
|
$(_sc_search_regexp)
|
|
|
|
sc_vulnerable_makefile_CVE-2009-4029:
|
|
@prohibit='perm -777 -exec chmod a\+rwx|chmod 777 \$$\(distdir\)' \
|
|
in_files='(^|/)Makefile\.in$$' \
|
|
halt=$$(printf '%s\n' \
|
|
'the above files are vulnerable; beware of running' \
|
|
' "make dist*" rules, and upgrade to fixed automake' \
|
|
' see https://bugzilla.redhat.com/show_bug.cgi?id=542609 for details') \
|
|
$(_sc_search_regexp)
|
|
|
|
sc_vulnerable_makefile_CVE-2012-3386:
|
|
@prohibit='chmod a\+w \$$\(distdir\)' \
|
|
in_files='(^|/)Makefile\.in$$' \
|
|
halt=$$(printf '%s\n' \
|
|
'the above files are vulnerable; beware of running' \
|
|
' "make distcheck", and upgrade to fixed automake' \
|
|
' see https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2012-3386 for details') \
|
|
$(_sc_search_regexp)
|
|
|
|
sc_unportable_grep_q:
|
|
@prohibit='grep -q' halt="unportable 'grep -q', use >/dev/null instead" \
|
|
$(_sc_search_regexp)
|
|
|
|
# The GNU Coding standards say that README should refer to both
|
|
# INSTALL and the file that contains the copying conditions. This
|
|
# shall be COPYING for GPL and COPYING.LESSER for LGPL.
|
|
|
|
sc_readme_link_install:
|
|
@require='INSTALL' \
|
|
in_vc_files='^README$$' \
|
|
halt='The README file should refer to INSTALL' \
|
|
$(_sc_search_regexp)
|
|
|
|
sc_readme_link_copying:
|
|
@require='COPYING' \
|
|
in_vc_files='^README$$' \
|
|
halt='The README file should refer to COPYING[.LESSER]' \
|
|
$(_sc_search_regexp)
|
|
|
|
vc-diff-check:
|
|
$(AM_V_GEN)(unset CDPATH; cd $(srcdir) && $(VC) diff) > vc-diffs || :
|
|
$(AM_V_at)if test -s vc-diffs; then \
|
|
cat vc-diffs; \
|
|
echo "Some files are locally modified:" 1>&2; \
|
|
exit 1; \
|
|
else \
|
|
rm vc-diffs; \
|
|
fi
|
|
|
|
rel-files = $(DIST_ARCHIVES)
|
|
|
|
gnulib-version = $$(cd $(gnulib_dir) \
|
|
&& { git describe || git rev-parse --short=10 HEAD; } )
|
|
bootstrap-tools ?= autoconf,automake,gnulib
|
|
|
|
gpgv = $$(gpgv2 --version >/dev/null && echo gpgv2 || echo gpgv)
|
|
# If it's not already specified, derive the GPG key ID from
|
|
# the signed tag we've just applied to mark this release.
|
|
gpg_key_ID ?= \
|
|
$$(cd $(srcdir) \
|
|
&& git cat-file tag v$(VERSION) \
|
|
| $(gpgv) --status-fd 1 --keyring /dev/null - - 2>/dev/null \
|
|
| $(AWK) '/^\[GNUPG:] ERRSIG / {print $$3; exit}')
|
|
gpg_key_email ?= \
|
|
$$(gpg --list-key --with-colons $(gpg_key_ID) 2>/dev/null \
|
|
| $(AWK) -F: '/^uid/ {print $$10; exit}' \
|
|
| $(SED) -n 's/.*<\(.*\)>/\1/p')
|
|
gpg_keyring_url ?= https://savannah.gnu.org/project/release-gpgkeys.php?group=$(PACKAGE)&download=1
|
|
|
|
translation_project_ ?= coordinator@translationproject.org
|
|
|
|
# Make info-gnu the default only for a stable release.
|
|
announcement_Cc_stable = $(translation_project_), $(PACKAGE_BUGREPORT)
|
|
announcement_mail_headers_stable = \
|
|
To: info-gnu@gnu.org \
|
|
Cc: $(announcement_Cc_) \
|
|
Mail-Followup-To: $(PACKAGE_BUGREPORT)
|
|
|
|
announcement_Cc_alpha = $(translation_project_)
|
|
announcement_mail_headers_alpha = \
|
|
To: $(PACKAGE_BUGREPORT) \
|
|
Cc: $(announcement_Cc_)
|
|
|
|
announcement_mail_Cc_beta = $(announcement_mail_Cc_alpha)
|
|
announcement_mail_headers_beta = $(announcement_mail_headers_alpha)
|
|
|
|
announcement_Cc_ ?= $(announcement_Cc_$(release-type))
|
|
announcement_mail_headers_ ?= $(announcement_mail_headers_$(release-type))
|
|
announcement: NEWS ChangeLog $(rel-files)
|
|
# Not $(AM_V_GEN) since the output of this command serves as
|
|
# announcement message: it would start with " GEN announcement".
|
|
$(AM_V_at)$(srcdir)/$(_build-aux)/announce-gen \
|
|
--mail-headers='$(announcement_mail_headers_)' \
|
|
--release-type=$(release-type) \
|
|
--package=$(PACKAGE) \
|
|
--prev=$(PREV_VERSION) \
|
|
--curr=$(VERSION) \
|
|
--gpg-key-id=$(gpg_key_ID) \
|
|
$$(test -n "$(gpg_key_email)" && \
|
|
echo --gpg-key-email="$(gpg_key_email)") \
|
|
$$(test -n "$(gpg_keyring_url)" && \
|
|
echo --gpg-keyring-url="$(gpg_keyring_url)") \
|
|
--srcdir=$(srcdir) \
|
|
--news=$(srcdir)/NEWS \
|
|
--bootstrap-tools=$(bootstrap-tools) \
|
|
$$(case ,$(bootstrap-tools), in (*,gnulib,*) \
|
|
echo --gnulib-version=$(gnulib-version);; esac) \
|
|
$(addprefix --url-dir=, $(url_dir_list))
|
|
|
|
.PHONY: release-commit
|
|
release-commit:
|
|
$(AM_V_GEN)cd $(srcdir) \
|
|
&& $(_build-aux)/do-release-commit-and-tag \
|
|
-C $(abs_builddir) $(RELEASE)
|
|
|
|
## ---------------- ##
|
|
## Updating files. ##
|
|
## ---------------- ##
|
|
|
|
ftp-gnu = https://ftp.gnu.org/gnu
|
|
www-gnu = https://www.gnu.org
|
|
|
|
upload_dest_dir_ ?= $(PACKAGE)
|
|
upload_command = \
|
|
$(srcdir)/$(_build-aux)/gnupload $(GNUPLOADFLAGS) \
|
|
--to $(gnu_rel_host):$(upload_dest_dir_) \
|
|
$(rel-files)
|
|
emit_upload_commands:
|
|
@echo =====================================
|
|
@echo =====================================
|
|
@echo '$(upload_command)'
|
|
@echo '# send the ~/announce-$(my_distdir) e-mail'
|
|
@echo =====================================
|
|
@echo =====================================
|
|
|
|
.PHONY: upload
|
|
upload:
|
|
$(AM_V_GEN)$(upload_command)
|
|
|
|
define emit-commit-log
|
|
printf '%s\n' 'maint: post-release administrivia' '' \
|
|
'* NEWS: Add header line for next release.' \
|
|
'* .prev-version: Record previous version.' \
|
|
'* cfg.mk (old_NEWS_hash): Auto-update.'
|
|
endef
|
|
|
|
.PHONY: no-submodule-changes
|
|
no-submodule-changes:
|
|
$(AM_V_GEN)if test -d $(srcdir)/.git \
|
|
&& git --version >/dev/null 2>&1; then \
|
|
diff=$$(cd $(srcdir) && git submodule -q foreach \
|
|
git diff-index --name-only HEAD) \
|
|
|| exit 1; \
|
|
case $$diff in '') ;; \
|
|
*) echo '$(ME): submodule files are locally modified:'; \
|
|
echo "$$diff"; exit 1;; esac; \
|
|
else \
|
|
: ; \
|
|
fi
|
|
|
|
submodule-checks ?= no-submodule-changes public-submodule-commit
|
|
|
|
# Ensure that each sub-module commit we're using is public.
|
|
# Without this, it is too easy to tag and release code that
|
|
# cannot be built from a fresh clone.
|
|
.PHONY: public-submodule-commit
|
|
public-submodule-commit:
|
|
$(AM_V_GEN)if test -d $(srcdir)/.git \
|
|
&& git --version >/dev/null 2>&1; then \
|
|
cd $(srcdir) && \
|
|
git submodule --quiet foreach \
|
|
'test "$$(git rev-parse "$$sha1")" \
|
|
= "$$(git merge-base origin "$$sha1")"' \
|
|
|| { echo '$(ME): found non-public submodule commit' >&2; \
|
|
exit 1; }; \
|
|
else \
|
|
: ; \
|
|
fi
|
|
# This rule has a high enough utility/cost ratio that it should be a
|
|
# dependent of "check" by default. However, some of us do occasionally
|
|
# commit a temporary change that deliberately points to a non-public
|
|
# submodule commit, and want to be able to use rules like "make check".
|
|
# In that case, run e.g., "make check gl_public_submodule_commit="
|
|
# to disable this test.
|
|
gl_public_submodule_commit ?= public-submodule-commit
|
|
check: $(gl_public_submodule_commit)
|
|
|
|
.PHONY: alpha beta stable release
|
|
ALL_RECURSIVE_TARGETS += alpha beta stable
|
|
alpha beta stable: $(local-check) writable-files $(submodule-checks)
|
|
$(AM_V_GEN)test $@ = stable \
|
|
&& { echo $(VERSION) | $(GREP) -E '^[0-9]+(\.[0-9]+)+$$' \
|
|
|| { echo "invalid version string: $(VERSION)" 1>&2; exit 1;};}\
|
|
|| :
|
|
$(AM_V_at)$(MAKE) vc-diff-check
|
|
$(AM_V_at)$(MAKE) news-check
|
|
$(AM_V_at)$(MAKE) distcheck
|
|
$(AM_V_at)$(MAKE) dist
|
|
$(AM_V_at)$(MAKE) $(release-prep-hook) RELEASE_TYPE=$@
|
|
$(AM_V_at)$(MAKE) -s emit_upload_commands RELEASE_TYPE=$@
|
|
|
|
release:
|
|
$(AM_V_GEN)$(MAKE) _version
|
|
$(AM_V_at)$(MAKE) $(release-type)
|
|
|
|
# Override this in cfg.mk if you follow different procedures.
|
|
release-prep-hook ?= release-prep
|
|
|
|
gl_noteworthy_news_ = * Noteworthy changes in release ?.? (????-??-??) [?]
|
|
.PHONY: release-prep
|
|
release-prep:
|
|
$(AM_V_GEN)$(MAKE) --no-print-directory -s announcement \
|
|
> ~/announce-$(my_distdir)
|
|
$(AM_V_at)if test -d $(release_archive_dir); then \
|
|
ln $(rel-files) $(release_archive_dir); \
|
|
chmod a-w $(rel-files); \
|
|
fi
|
|
$(AM_V_at)echo $(VERSION) > $(prev_version_file)
|
|
$(AM_V_at)$(MAKE) update-NEWS-hash
|
|
$(AM_V_at)perl -pi \
|
|
-e '$$. == 3 and print "$(gl_noteworthy_news_)\n\n\n"' \
|
|
$(srcdir)/NEWS
|
|
$(AM_V_at)msg=$$($(emit-commit-log)) || exit 1; \
|
|
cd $(srcdir) && $(VC) commit -m "$$msg" -a
|
|
|
|
# Override this with e.g., -s $(srcdir)/some_other_name.texi
|
|
# if the default $(PACKAGE)-derived name doesn't apply.
|
|
gendocs_options_ ?=
|
|
|
|
.PHONY: web-manual
|
|
web-manual:
|
|
$(AM_V_GEN)test -z "$(manual_title)" \
|
|
&& { echo define manual_title in cfg.mk 1>&2; exit 1; } || :
|
|
$(AM_V_at)cd '$(srcdir)/doc'; \
|
|
$(SHELL) ../$(_build-aux)/gendocs.sh $(gendocs_options_) \
|
|
-o '$(abs_builddir)/doc/manual' \
|
|
--email $(PACKAGE_BUGREPORT) $(PACKAGE) \
|
|
"$(PACKAGE_NAME) - $(manual_title)"
|
|
$(AM_V_at)echo " *** Upload the doc/manual directory to web-cvs."
|
|
|
|
.PHONY: web-manual-update
|
|
web-manual-update:
|
|
$(AM_V_GEN)cd $(srcdir) \
|
|
&& $(_build-aux)/gnu-web-doc-update -C $(abs_builddir)
|
|
|
|
|
|
# Code Coverage
|
|
|
|
init-coverage:
|
|
$(MAKE) $(AM_MAKEFLAGS) clean
|
|
lcov --directory . --zerocounters
|
|
|
|
COVERAGE_CCOPTS ?= "-g --coverage"
|
|
COVERAGE_OUT ?= doc/coverage
|
|
|
|
build-coverage:
|
|
$(MAKE) $(AM_MAKEFLAGS) CFLAGS=$(COVERAGE_CCOPTS) CXXFLAGS=$(COVERAGE_CCOPTS)
|
|
$(MAKE) $(AM_MAKEFLAGS) CFLAGS=$(COVERAGE_CCOPTS) CXXFLAGS=$(COVERAGE_CCOPTS) check
|
|
mkdir -p $(COVERAGE_OUT)
|
|
lcov --directory . --output-file $(COVERAGE_OUT)/$(PACKAGE).info \
|
|
--capture
|
|
|
|
gen-coverage:
|
|
genhtml --output-directory $(COVERAGE_OUT) \
|
|
$(COVERAGE_OUT)/$(PACKAGE).info \
|
|
--highlight --frames --legend \
|
|
--title "$(PACKAGE_NAME)"
|
|
|
|
coverage:
|
|
$(MAKE) init-coverage
|
|
$(MAKE) build-coverage
|
|
$(MAKE) gen-coverage
|
|
|
|
# Some projects carry local adjustments for gnulib modules via patches in
|
|
# a gnulib patch directory whose default name is gl/ (defined in bootstrap
|
|
# via local_gl_dir=gl). Those patches become stale as the originals evolve
|
|
# in gnulib. Use this rule to refresh any stale patches. It applies each
|
|
# patch to the original in $(gnulib_dir) and uses the temporary result to
|
|
# generate a fuzz-free .diff file. If you customize the name of your local
|
|
# gnulib patch directory via bootstrap.conf, this rule detects that name.
|
|
# Run this from a non-VPATH (i.e., srcdir) build directory.
|
|
.PHONY: refresh-gnulib-patches
|
|
refresh-gnulib-patches:
|
|
gl=gl; \
|
|
if test -f bootstrap.conf; then \
|
|
t=$$(perl -lne '/^\s*local_gl_dir=(\S+)/ and $$d=$$1;' \
|
|
-e 'END{defined $$d and print $$d}' bootstrap.conf); \
|
|
test -n "$$t" && gl=$$t; \
|
|
fi; \
|
|
for diff in $$(cd $$gl; git ls-files | $(GREP) '\.diff$$'); do \
|
|
b=$$(printf %s "$$diff"|$(SED) 's/\.diff$$//'); \
|
|
VERSION_CONTROL=none \
|
|
patch "$(gnulib_dir)/$$b" "$$gl/$$diff" || exit 1; \
|
|
( cd $(gnulib_dir) || exit 1; \
|
|
git diff "$$b" > "../$$gl/$$diff"; \
|
|
git checkout $$b ) || exit 1; \
|
|
done
|
|
|
|
# Update gettext files.
|
|
PACKAGE ?= $(shell basename $(PWD))
|
|
PO_DOMAIN ?= $(PACKAGE)
|
|
POURL = https://translationproject.org/latest/$(PO_DOMAIN)/
|
|
PODIR ?= po
|
|
refresh-po:
|
|
rm -f $(PODIR)/*.po && \
|
|
echo "$(ME): getting translations into po (please ignore the robots.txt ERROR 404)..." && \
|
|
wget --no-verbose --directory-prefix $(PODIR) --no-directories --recursive --level 1 --accept .po --accept .po.1 $(POURL) && \
|
|
echo 'en@boldquot' > $(PODIR)/LINGUAS && \
|
|
echo 'en@quot' >> $(PODIR)/LINGUAS && \
|
|
ls $(PODIR)/*.po | $(SED) 's/\.po//;s,$(PODIR)/,,' | \
|
|
sort >> $(PODIR)/LINGUAS
|
|
|
|
# Indentation
|
|
|
|
indent_args ?= -ppi 1
|
|
C_SOURCES ?= $$($(VC_LIST_EXCEPT) | grep '\.[ch]\(.in\)\?$$')
|
|
INDENT_SOURCES ?= $(C_SOURCES)
|
|
exclude_file_name_regexp--indent ?= $(exclude_file_name_regexp--sc_indent)
|
|
|
|
.PHONY: indent
|
|
indent: # Running indent once is not idempotent, but running it twice is.
|
|
$(AM_V_GEN)indent $(indent_args) $(INDENT_SOURCES) && \
|
|
indent $(indent_args) $(INDENT_SOURCES)
|
|
|
|
sc_indent:
|
|
@if ! indent --version 2> /dev/null | grep 'GNU indent' > /dev/null; then \
|
|
echo 1>&2 '$(ME): sc_indent: GNU indent is missing'; \
|
|
else \
|
|
fail=0; files="$(INDENT_SOURCES)"; \
|
|
for f in $$files; do \
|
|
indent $(indent_args) -st $$f \
|
|
| indent $(indent_args) -st - \
|
|
| diff -u $$f - || fail=1; \
|
|
done; \
|
|
test $$fail = 1 && \
|
|
{ echo 1>&2 '$(ME): code format error, try "make indent"'; \
|
|
exit 1; } || :; \
|
|
fi
|
|
|
|
# If you want to set UPDATE_COPYRIGHT_* environment variables,
|
|
# put the assignments in this variable.
|
|
update-copyright-env ?=
|
|
|
|
# Run this rule once per year (usually early in January)
|
|
# to update all FSF copyright year lists in your project.
|
|
# If you have an additional project-specific rule,
|
|
# add it in cfg.mk along with a line 'update-copyright: prereq'.
|
|
# By default, exclude all variants of COPYING; you can also
|
|
# add exemptions (such as ChangeLog..* for rotated change logs)
|
|
# in the file .x-update-copyright.
|
|
.PHONY: update-copyright
|
|
update-copyright:
|
|
$(AM_V_GEN)$(GREP) -l -w Copyright \
|
|
$$(export VC_LIST_EXCEPT_DEFAULT=COPYING && $(VC_LIST_EXCEPT)) \
|
|
| $(update-copyright-env) xargs $(srcdir)/$(_build-aux)/$@
|
|
|
|
# This tight_scope test is skipped with a warning if $(_gl_TS_headers) is not
|
|
# overridden and $(_gl_TS_dir)/Makefile.am does not mention noinst_HEADERS.
|
|
|
|
# NOTE: to override any _gl_TS_* default value, you must
|
|
# define the variable(s) using "export" in cfg.mk.
|
|
_gl_TS_dir ?= src
|
|
|
|
ALL_RECURSIVE_TARGETS += sc_tight_scope
|
|
sc_tight_scope: tight-scope.mk
|
|
@fail=0; \
|
|
if ! $(GREP) '^ *export _gl_TS_headers *=' $(srcdir)/cfg.mk \
|
|
> /dev/null \
|
|
&& ! $(GREP) -w noinst_HEADERS $(srcdir)/$(_gl_TS_dir)/Makefile.am \
|
|
> /dev/null 2>&1; then \
|
|
echo '$(ME): skipping $@'; \
|
|
else \
|
|
$(MAKE) -s -C $(_gl_TS_dir) \
|
|
-f Makefile \
|
|
-f $(abs_top_srcdir)/cfg.mk \
|
|
-f $(abs_top_builddir)/$< \
|
|
_gl_tight_scope \
|
|
|| fail=1; \
|
|
fi; \
|
|
rm -f $<; \
|
|
exit $$fail
|
|
|
|
tight-scope.mk: $(ME)
|
|
@perl -ne '/^# TS-start/.../^# TS-end/ and print' $(srcdir)/$(ME) > $@-t
|
|
@mv $@-t $@
|
|
|
|
ifeq (a,b)
|
|
# TS-start
|
|
|
|
# Most functions should have static scope.
|
|
# Any that don't must be marked with 'extern', but 'main'
|
|
# and 'usage' are exceptions: they're always extern, but
|
|
# do not need to be marked. Symbols matching '__.*' are
|
|
# reserved by the compiler, so are automatically excluded below.
|
|
_gl_TS_unmarked_extern_functions ?= main usage
|
|
_gl_TS_function_match ?= /^(?:$(_gl_TS_extern)) +.*?(\w+) *\(/
|
|
|
|
# If your project uses a macro like "XTERN", then put
|
|
# the following in cfg.mk to override this default:
|
|
# export _gl_TS_extern = extern|XTERN
|
|
_gl_TS_extern ?= extern
|
|
|
|
# The second nm|grep checks for file-scope variables with 'extern' scope.
|
|
# Without gnulib's progname module, you might put program_name here.
|
|
# Symbols matching '__.*' are reserved by the compiler,
|
|
# so are automatically excluded below.
|
|
_gl_TS_unmarked_extern_vars ?=
|
|
|
|
# NOTE: the _match variables are perl expressions -- not mere regular
|
|
# expressions -- so that you can extend them to match other patterns
|
|
# and easily extract matched variable names.
|
|
# For example, if your project declares some global variables via
|
|
# a macro like this: GLOBAL(type, var_name, initializer), then you
|
|
# can override this definition to automatically extract those names:
|
|
# export _gl_TS_var_match = \
|
|
# /^(?:$(_gl_TS_extern)) .*?\**(\w+)(\[.*?])?;/ || /\bGLOBAL\(.*?,\s*(.*?),/
|
|
_gl_TS_var_match ?= /^(?:$(_gl_TS_extern)) .*?(\w+)(\[.*?])?;/
|
|
|
|
# The names of object files in (or relative to) $(_gl_TS_dir).
|
|
_gl_TS_obj_files ?= *.$(OBJEXT)
|
|
|
|
# Files in which to search for the one-line style extern declarations.
|
|
# $(_gl_TS_dir)-relative.
|
|
_gl_TS_headers ?= $(noinst_HEADERS)
|
|
_gl_TS_other_headers ?= *.h
|
|
|
|
.PHONY: _gl_tight_scope
|
|
_gl_tight_scope: $(bin_PROGRAMS)
|
|
sed_wrap='s/^/^_?/;s/$$/$$/'; \
|
|
t=exceptions-$$$$; \
|
|
trap 's=$$?; rm -f $$t; exit $$s' 0; \
|
|
for sig in 1 2 3 13 15; do \
|
|
eval "trap 'v=`expr $$sig + 128`; (exit $$v); exit $$v' $$sig"; \
|
|
done; \
|
|
src=`for f in $(SOURCES); do \
|
|
test -f $$f && d= || d=$(srcdir)/; echo $$d$$f; done`; \
|
|
hdr=`for f in $(_gl_TS_headers); do \
|
|
test -f $$f && d= || d=$(srcdir)/; echo $$d$$f; done`; \
|
|
( printf '%s\n' '__.*' $(_gl_TS_unmarked_extern_functions); \
|
|
$(GREP) -h -A1 '^extern .*[^;]$$' $$src \
|
|
| $(GREP) -vE '^(extern |--|#)' | $(SED) 's/ .*//; /^$$/d'; \
|
|
perl -lne \
|
|
'$(_gl_TS_function_match) and print $$1' $$hdr; \
|
|
) | sort -u | $(SED) "$$sed_wrap" > $$t; \
|
|
nm -g $(_gl_TS_obj_files)|$(SED) -n 's/.* T //p'|$(GREP) -Ev -f $$t \
|
|
&& { echo the above functions should have static scope >&2; \
|
|
exit 1; } || : ; \
|
|
( printf '%s\n' '__.*' main $(_gl_TS_unmarked_extern_vars); \
|
|
perl -lne '$(_gl_TS_var_match) and print $$1' \
|
|
$$hdr $(_gl_TS_other_headers) \
|
|
) | sort -u | $(SED) "$$sed_wrap" > $$t; \
|
|
nm -g $(_gl_TS_obj_files) | $(SED) -n 's/.* [BCDGRS] //p' \
|
|
| sort -u | $(GREP) -Ev -f $$t \
|
|
&& { echo the above variables should have static scope >&2; \
|
|
exit 1; } || :
|
|
# TS-end
|
|
endif
|