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build: remove all logic unrelated to syntax-check

Browse Source 
The standard maint.mk from gnulib provides alot more than just the
'syntax-check' target. This can all be purged to give a more minimal
file.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
This commit is contained in:
Daniel P. Berrangé 2021-01-08 16:52:29 +00:00
parent a743d85c4e
commit e30f842b24
3 changed files with 0 additions and 561 deletions
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42
GNUmakefile
View File

@ -50,48 +50,6 @@ include Makefile
include $(srcdir)/$(_build-aux)/cfg.mk
include $(srcdir)/$(_build-aux)/maint.mk
# Ensure that $(VERSION) is up to date for dist-related targets, but not
# for others: rerunning autoreconf and recompiling everything isn't cheap.
_have-git-version-gen := \
$(shell test -f $(srcdir)/$(_build-aux)/git-version-gen && echo yes)
ifeq ($(_have-git-version-gen)0,yes$(MAKELEVEL))
_is-dist-target ?= $(filter-out %clean, \
$(filter maintainer-% dist% alpha beta stable,$(MAKECMDGOALS)))
_is-install-target ?= $(filter-out %check, $(filter install%,$(MAKECMDGOALS)))
ifneq (,$(_is-dist-target)$(_is-install-target))
_curr-ver := $(shell cd $(srcdir) \
&& $(_build-aux)/git-version-gen \
.tarball-version \
$(git-version-gen-tag-sed-script))
ifneq ($(_curr-ver),$(VERSION))
ifeq ($(_curr-ver),UNKNOWN)
$(info WARNING: unable to verify if $(VERSION) is the correct version)
else
ifneq (,$(_is-install-target))
# GNU Coding Standards state that 'make install' should not cause
# recompilation after 'make all'. But as long as changing the version
# string alters config.h, the cost of having 'make all' always have an
# up-to-date version is prohibitive. So, as a compromise, we merely
# warn when installing a version string that is out of date; the user
# should run 'autoreconf' (or something like 'make distcheck') to
# fix the version, 'make all' to propagate it, then 'make install'.
$(info WARNING: version string $(VERSION) is out of date;)
$(info run '$(MAKE) _version' to fix it)
else
$(info INFO: running autoreconf for new version string: $(_curr-ver))
GNUmakefile: _version
touch GNUmakefile
endif
endif
endif
endif
endif
.PHONY: _version
_version:
cd $(srcdir) && rm -rf autom4te.cache .version && $(_autoreconf)
$(MAKE) $(AM_MAKEFLAGS) Makefile
else
.DEFAULT_GOAL := abort-due-to-no-makefile

3
build-aux/cfg.mk
View File

@ -107,9 +107,6 @@ sc_copyright_format:
halt='spell Red Hat as two words' \
$(_sc_search_regexp)
# We don't use this feature of maint.mk.
prev_version_file = /dev/null
exclude_file_name_regexp--sc_preprocessor_indentation = ^*/*.[ch]
exclude_file_name_regexp--sc_prohibit_strcmp = ^*/*.[ch]

516
build-aux/maint.mk
View File

@ -21,20 +21,6 @@
# ME := $(word $(words $(MAKEFILE_LIST)),$(MAKEFILE_LIST))
ME := $(_build-aux)/maint.mk
# Diagnostic for continued use of deprecated variable.
# Remove in 2013
ifneq ($(build_aux),)
$(error "$(ME): \
set $$(_build-aux) relative to $$(srcdir) instead of $$(build_aux)")
endif
# Do not save the original name or timestamp in the .tar.gz file.
# Use --rsyncable if available.
gzip_rsyncable := \
$(shell gzip --help 2>/dev/null|grep rsyncable >/dev/null \
&& printf %s --rsyncable)
GZIP_ENV = '--no-name --best $(gzip_rsyncable)'
GIT = git
VC = $(GIT)
@ -69,53 +55,8 @@ VC_LIST_EXCEPT = \
| grep -Ev -e '($(VC_LIST_ALWAYS_EXCLUDE_REGEX)|$(_sc_excl))' \
$(_prepend_srcdir_prefix)
ifeq ($(origin prev_version_file), undefined)
prev_version_file = $(srcdir)/.prev-version
endif
PREV_VERSION := $(shell cat $(prev_version_file) 2>/dev/null)
VERSION_REGEXP = $(subst .,\.,$(VERSION))
PREV_VERSION_REGEXP = $(subst .,\.,$(PREV_VERSION))
ifeq ($(VC),$(GIT))
this-vc-tag = v$(VERSION)
this-vc-tag-regexp = v$(VERSION_REGEXP)
else
tag-package = $(shell echo "$(PACKAGE)" | tr '[:lower:]' '[:upper:]')
tag-this-version = $(subst .,_,$(VERSION))
this-vc-tag = $(tag-package)-$(tag-this-version)
this-vc-tag-regexp = $(this-vc-tag)
endif
my_distdir = $(PACKAGE)-$(VERSION)
# Old releases are stored here.
release_archive_dir ?= ../release
# Override gnu_rel_host and url_dir_list in cfg.mk if these are not right.
# Use alpha.gnu.org for alpha and beta releases.
# Use ftp.gnu.org for stable releases.
gnu_ftp_host-alpha = alpha.gnu.org
gnu_ftp_host-beta = alpha.gnu.org
gnu_ftp_host-stable = ftp.gnu.org
gnu_rel_host ?= $(gnu_ftp_host-$(RELEASE_TYPE))
ifeq ($(gnu_rel_host),ftp.gnu.org)
url_dir_list ?= http://ftpmirror.gnu.org/$(PACKAGE)
else
url_dir_list ?= ftp://$(gnu_rel_host)/gnu/$(PACKAGE)
endif
# Override this in cfg.mk if you are using a different format in your
# NEWS file.
today = $(shell date +%Y-%m-%d)
# Select which lines of NEWS are searched for $(news-check-regexp).
# This is a sed line number spec. The default says that we search
# lines 1..10 of NEWS for $(news-check-regexp).
# If you want to search only line 3 or only lines 20-22, use "3" or "20,22".
news-check-lines-spec ?= 1,10
news-check-regexp ?= '^\*.* $(VERSION_REGEXP) \($(today)\)'
# Prevent programs like 'sort' from considering distinct strings to be equal.
# Doing it here saves us from having to set LC_ALL elsewhere in this file.
export LC_ALL = C
@ -731,72 +672,6 @@ sc_useless_cpp_parens:
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)
# ==================================================================
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; \
$(def_sym_regex) | grep -E -f - $$($(VC_LIST_EXCEPT)) \
&& { echo '$(ME): define the above via some gnulib .h file' \
1>&2; exit 1; } || :; \
fi
# ==================================================================
# Prohibit checked in backup files.
sc_prohibit_backup_files:
@$(VC_LIST) | grep '~$$' && \
@ -988,27 +863,6 @@ sc_const_long_option:
echo 1>&2 '$(ME): add "const" to the above declarations'; \
exit 1; } || :
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]+).*/$${1}'"$(NEWS_hash)/" \
$(srcdir)/$(_build-aux)/cfg.mk
# Ensure that we use only the standard $(VAR) notation,
# not @...@ in Makefile.am, now that we can rely on automake
# to emit a definition for each substituted variable.
@ -1031,15 +885,6 @@ sc_makefile_at_at_check:
$$($(VC_LIST_EXCEPT) | grep -E '(^|/)(Makefile\.am|[^/]+\.mk)$$') \
&& { echo '$(ME): use $$(...), not @...@' 1>&2; exit 1; } || :
news-check: NEWS
if sed -n $(news-check-lines-spec)p $(srcdir)/NEWS \
| grep -E $(news-check-regexp) >/dev/null; then \
:; \
else \
echo 'NEWS: $$(news-check-regexp) failed to match' 1>&2; \
exit 1; \
fi
sc_makefile_TAB_only_indentation:
@prohibit='^ [ ]{8}' \
in_vc_files='akefile|\.mk$$' \
@ -1100,41 +945,6 @@ sc_makefile_path_separator_check:
halt=$(msg) \
$(_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:
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)' Free' \
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.
@ -1188,329 +998,3 @@ sc_vulnerable_makefile_CVE-2009-4029:
' "make dist*" rules, and upgrade to fixed automake' \
' see http://bugzilla.redhat.com/542609 for details') \
$(_sc_search_regexp)
vc-diff-check:
(unset CDPATH; cd $(srcdir) && $(VC) diff) > vc-diffs || :
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_dir ?= $(srcdir)/gnulib
gnulib-version = $$(cd $(gnulib_dir) && git describe)
bootstrap-tools ?= autoconf,automake,gnulib
# If it's not already specified, derive the GPG key ID from
# the signed tag we've just applied to mark this release.
gpg_key_ID ?= \
$$(git cat-file tag v$(VERSION) > .ann-sig \
&& gpgv .ann-sig - < /dev/null 2>&1 \
| sed -n '/.*key ID \([0-9A-F]*\)/s//\1/p'; rm -f .ann-sig)
translation_project_ ?= coordinator@translationproject.org
# Make info-gnu the default only for a stable release.
ifeq ($(RELEASE_TYPE),stable)
announcement_Cc_ ?= $(translation_project_), $(PACKAGE_BUGREPORT)
announcement_mail_headers_ ?= \
To: info-gnu@gnu.org \
Cc: $(announcement_Cc_) \
Mail-Followup-To: $(PACKAGE_BUGREPORT)
else
announcement_Cc_ ?= $(translation_project_)
announcement_mail_headers_ ?= \
To: $(PACKAGE_BUGREPORT) \
Cc: $(announcement_Cc_)
endif
announcement: NEWS ChangeLog $(rel-files)
@$(srcdir)/$(_build-aux)/announce-gen \
--mail-headers='$(announcement_mail_headers_)' \
--release-type=$(RELEASE_TYPE) \
--package=$(PACKAGE) \
--prev=$(PREV_VERSION) \
--curr=$(VERSION) \
--gpg-key-id=$(gpg_key_ID) \
--news=$(srcdir)/NEWS \
--bootstrap-tools=$(bootstrap-tools) \
--gnulib-version=$(gnulib-version) \
--no-print-checksums \
$(addprefix --url-dir=, $(url_dir_list))
## ---------------- ##
## Updating files. ##
## ---------------- ##
ftp-gnu = ftp://ftp.gnu.org/gnu
www-gnu = http://www.gnu.org
upload_dest_dir_ ?= $(PACKAGE)
emit_upload_commands:
@echo =====================================
@echo =====================================
@echo "$(srcdir)/$(_build-aux)/gnupload $(GNUPLOADFLAGS) \\"
@echo " --to $(gnu_rel_host):$(upload_dest_dir_) \\"
@echo " $(rel-files)"
@echo '# send the ~/announce-$(my_distdir) e-mail'
@echo =====================================
@echo =====================================
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:
if test -d $(srcdir)/.git; 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 "$$diff"; exit 1;; esac; \
else \
: ; \
fi
submodule-checks ?= no-submodule-changes public-submodule-commit
# Ensure that each sub-module commit we're using is public.
# Without this, it is too easy to tag and release code that
# cannot be built from a fresh clone.
.PHONY: public-submodule-commit
public-submodule-commit:
$(AM_V_GEN)if test -d $(srcdir)/.git; then \
cd $(srcdir) && \
git submodule --quiet foreach test '$$(git rev-parse $$sha1)' \
= '$$(git merge-base origin $$sha1)' \
|| { echo '$(ME): found non-public submodule commit' >&2; \
exit 1; }; \
else \
: ; \
fi
# This rule has a high enough utility/cost ratio that it should be a
# dependent of "check" by default. However, some of us do occasionally
# commit a temporary change that deliberately points to a non-public
# submodule commit, and want to be able to use rules like "make check".
# In that case, run e.g., "make check gl_public_submodule_commit="
# to disable this test.
gl_public_submodule_commit ?= public-submodule-commit
check: $(gl_public_submodule_commit)
.PHONY: alpha beta stable
ALL_RECURSIVE_TARGETS += alpha beta stable
alpha beta stable: $(local-check) writable-files $(submodule-checks)
test $@ = stable \
&& { echo $(VERSION) | grep -E '^[0-9]+(\.[0-9]+)+$$' \
|| { echo "invalid version string: $(VERSION)" 1>&2; exit 1;};}\
|| :
$(MAKE) vc-diff-check
$(MAKE) news-check
$(MAKE) distcheck
$(MAKE) dist XZ_OPT=-9ev
$(MAKE) $(release-prep-hook) RELEASE_TYPE=$@
$(MAKE) -s emit_upload_commands RELEASE_TYPE=$@
# 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:
case $$RELEASE_TYPE in alpha|beta|stable) ;; \
*) echo "invalid RELEASE_TYPE: $$RELEASE_TYPE" 1>&2; exit 1;; esac
$(MAKE) --no-print-directory -s announcement > ~/announce-$(my_distdir)
if test -d $(release_archive_dir); then \
ln $(rel-files) $(release_archive_dir); \
chmod a-w $(rel-files); \
fi
echo $(VERSION) > $(prev_version_file)
$(MAKE) update-NEWS-hash
perl -pi -e '$$. == 3 and print "$(gl_noteworthy_news_)\n\n\n"' NEWS
$(emit-commit-log) > .ci-msg
$(VC) commit -F .ci-msg -a
rm .ci-msg
# 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:
@test -z "$(manual_title)" \
&& { echo define manual_title in cfg.mk 1>&2; exit 1; } || :
@cd '$(srcdir)/doc'; \
$(SHELL) ../$(_build-aux)/gendocs.sh $(gendocs_options_) \
-o '$(abs_builddir)/doc/manual' \
--email $(PACKAGE_BUGREPORT) $(PACKAGE) \
"$(PACKAGE_NAME) - $(manual_title)"
@echo " *** Upload the doc/manual directory to web-cvs."
# 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: init-coverage build-coverage gen-coverage
# Update gettext files.
PACKAGE ?= $(shell basename $(PWD))
PO_DOMAIN ?= $(PACKAGE)
POURL = http://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//' | sed 's,$(PODIR)/,,' | sort >> $(PODIR)/LINGUAS
# Running indent once is not idempotent, but running it twice is.
INDENT_SOURCES ?= $(C_SOURCES)
.PHONY: indent
indent:
indent $(INDENT_SOURCES)
indent $(INDENT_SOURCES)
# 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:
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 *=' $(srcdir)/$(_build-aux)/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 $(abs_top_srcdir)/$(_build-aux)/cfg.mk \
-f $(abs_top_builddir)/$< \
_gl_tight_scope \
|| fail=1; \
fi; \
rm -f $<; \
exit $$fail
tight-scope.mk: $(ME)
@rm -f $@ $@-t
@perl -ne '/^# TS-start/.../^# TS-end/ and print' $(ME) > $@-t
@chmod a=r $@-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)) +.*?(\S+) *\(/
# 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)
.PHONY: _gl_tight_scope
_gl_tight_scope: $(bin_PROGRAMS)
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$$\n' '__.*' $(_gl_TS_unmarked_extern_functions); \
grep -h -A1 '^extern .*[^;]$$' $$src \
| grep -vE '^(extern |--)' | sed 's/ .*//'; \
perl -lne \
'$(_gl_TS_function_match) and print "^$$1\$$"' $$hdr; \
) | sort -u > $$t; \
nm -e $(_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' '__.*' $(_gl_TS_unmarked_extern_vars); \
perl -lne '$(_gl_TS_var_match) and print "^$$1\$$"' $$hdr *.h \
) | sort -u > $$t; \
nm -e $(_gl_TS_obj_files) | sed -n 's/.* [BCDGRS] //p' \
| sort -u | grep -Ev -f $$t \
&& { echo the above variables should have static scope >&2; \
exit 1; } || :
# TS-end
endif