diff options
author | Jim Meyering <meyering@redhat.com> | 2012-01-17 11:02:03 +0100 |
---|---|---|
committer | Jim Meyering <meyering@redhat.com> | 2012-01-21 15:14:33 +0100 |
commit | 364bdd3bff8ce411c877f2ef156d5b2ef454d449 (patch) | |
tree | 970af8c002db6155918281663df9dc1802a22cb0 | |
parent | 2ca285bdbc0da7102cb3aa59d697afe3af7e0d06 (diff) | |
download | autoconf-364bdd3bff8ce411c877f2ef156d5b2ef454d449.tar.gz |
maint.mk: update from gnulib
* maint.mk: Update.
-rw-r--r-- | maint.mk | 1526 |
1 files changed, 1172 insertions, 354 deletions
@@ -1,6 +1,6 @@ # -*-Makefile-*- # This Makefile fragment tries to be general-purpose enough to be -# used by at least coreutils, idutils, CPPI, Bison, and Autoconf. +# used by many projects via the gnulib maintainer-makefile module. ## Copyright (C) 2001-2012 Free Software Foundation, Inc. ## @@ -21,8 +21,12 @@ # ME := $(word $(words $(MAKEFILE_LIST)),$(MAKEFILE_LIST)) ME := maint.mk -# Override this in cfg.mk if you use a non-standard build-aux directory. -build_aux ?= $(srcdir)/build-aux +# Diagnostic for continued use of deprecated variable. +# Remove in 2013 +ifneq ($(build_aux),) + $(error "$(ME): \ +set $$(_build-aux) relative to $$(srcdir) instead of $$(build_aux)") +endif # Do not save the original name or timestamp in the .tar.gz file. # Use --rsyncable if available. @@ -33,16 +37,37 @@ GZIP_ENV = '--no-name --best $(gzip_rsyncable)' GIT = git VC = $(GIT) -VC-tag = git tag -s -m '$(VERSION)' -u '$(gpg_key_ID)' -VC_LIST = $(build_aux)/vc-list-files -C $(srcdir) +VC_LIST = $(srcdir)/$(_build-aux)/vc-list-files -C $(srcdir) + +# You can override this variable in cfg.mk to set your own regexp +# matching files to ignore. +VC_LIST_ALWAYS_EXCLUDE_REGEX ?= ^$$ +# This is to preprocess robustly the output of $(VC_LIST), so that even +# when $(srcdir) is a pathological name like "....", the leading sed command +# removes only the intended prefix. +_dot_escaped_srcdir = $(subst .,\.,$(srcdir)) + +# Post-process $(VC_LIST) output, prepending $(srcdir)/, but only +# when $(srcdir) is not ".". +ifeq ($(srcdir),.) +_prepend_srcdir_prefix = +else +_prepend_srcdir_prefix = | sed 's|^|$(srcdir)/|' +endif + +# In order to be able to consistently filter "."-relative names, +# (i.e., with no $(srcdir) prefix), this definition is careful to +# remove any $(srcdir) prefix, and to restore what it removes. +_sc_excl = \ + $(if $(exclude_file_name_regexp--$@),$(exclude_file_name_regexp--$@),^$$) VC_LIST_EXCEPT = \ - $(VC_LIST) | if test -f $(srcdir)/.x-$@; then \ - grep -vEf $(srcdir)/.x-$@; \ - else \ - grep -v ChangeLog; \ - fi + $(VC_LIST) | sed 's|^$(_dot_escaped_srcdir)/||' \ + | if test -f $(srcdir)/.x-$@; then grep -vEf $(srcdir)/.x-$@; \ + else grep -Ev -e "$${VC_LIST_EXCEPT_DEFAULT-ChangeLog}"; fi \ + | 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 @@ -52,12 +77,18 @@ 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. -# Used for diffs. release_archive_dir ?= ../release # Override gnu_rel_host and url_dir_list in cfg.mk if these are not right. @@ -74,115 +105,307 @@ 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 - - ## --------------- ## ## Sanity checks. ## ## --------------- ## -# Collect the names of rules starting with `sc_'. -syntax-check-rules := $(shell sed -n 's/^\(sc_[a-zA-Z0-9_-]*\):.*/\1/p' \ - $(srcdir)/$(ME)) +_cfg_mk := $(shell test -f $(srcdir)/cfg.mk && echo '$(srcdir)/cfg.mk') + +# Collect the names of rules starting with 'sc_'. +syntax-check-rules := $(sort $(shell sed -n 's/^\(sc_[a-zA-Z0-9_-]*\):.*/\1/p' \ + $(srcdir)/$(ME) $(_cfg_mk))) .PHONY: $(syntax-check-rules) -local-checks-available = \ - po-check copyright-check writable-files m4-check author_mark_check \ - changelog-check patch-check strftime-check $(syntax-check-rules) \ - makefile_path_separator_check \ - makefile-check check-AUTHORS +ifeq ($(shell $(VC_LIST) >/dev/null 2>&1; echo $$?),0) +local-checks-available += $(syntax-check-rules) +else +local-checks-available += no-vc-detected +no-vc-detected: + @echo "No version control files detected; skipping syntax check" +endif .PHONY: $(local-checks-available) -local-check := $(filter-out $(local-checks-to-skip), $(local-checks-available)) +# Arrange to print the name of each syntax-checking rule just before running it. +$(syntax-check-rules): %: %.m +sc_m_rules_ = $(patsubst %, %.m, $(syntax-check-rules)) +.PHONY: $(sc_m_rules_) +$(sc_m_rules_): + @echo $(patsubst sc_%.m, %, $@) + @date +%s.%N > .sc-start-$(basename $@) + +# Compute and print the elapsed time for each syntax-check rule. +sc_z_rules_ = $(patsubst %, %.z, $(syntax-check-rules)) +.PHONY: $(sc_z_rules_) +$(sc_z_rules_): %.z: % + @end=$$(date +%s.%N); \ + start=$$(cat .sc-start-$*); \ + rm -f .sc-start-$*; \ + awk -v s=$$start -v e=$$end \ + 'END {printf "%.2f $(patsubst sc_%,%,$*)\n", e - s}' < /dev/null + +# The patsubst here is to replace each sc_% rule with its sc_%.z wrapper +# that computes and prints elapsed time. +local-check := \ + $(patsubst sc_%, sc_%.z, \ + $(filter-out $(local-checks-to-skip), $(local-checks-available))) syntax-check: $(local-check) -# @shopt -s nullglob; \ -# grep -nE '# *include <(limits|std(def|arg|bool))\.h>' \ -# $$(find -type f -name '*.[chly]') /dev/null && \ -# { echo '$(ME): found conditional include' 1>&2; \ -# exit 1; } || : - -# grep -nE '^# *include <(string|stdlib)\.h>' \ -# $(srcdir)/{lib,src}/*.[chly] /dev/null && \ -# { echo '$(ME): FIXME' 1>&2; \ -# exit 1; } || : -# FIXME: don't allow `#include .strings\.h' anywhere -sc_cast_of_argument_to_free: - @shopt -s nullglob; \ - grep -nE '\<free \(\(' \ - $(srcdir)/{lib,src}/*.[chly] /dev/null && \ - { echo '$(ME): don'\''t cast free argument' 1>&2; \ +# _sc_search_regexp +# +# This macro searches for a given construct in the selected files and +# then takes some action. +# +# Parameters (shell variables): +# +# prohibit | require +# +# Regular expression (ERE) denoting either a forbidden construct +# or a required construct. Those arguments are exclusive. +# +# in_vc_files | in_files +# +# grep-E-style regexp denoting the files to check. If no files +# are specified the default are all the files that are under +# version control. +# +# containing | non_containing +# +# Select the files (non) containing strings matching this regexp. +# If both arguments are specified then CONTAINING takes +# precedence. +# +# with_grep_options +# +# Extra options for grep. +# +# ignore_case +# +# Ignore case. +# +# halt +# +# Message to display before to halting execution. +# +# Finally, you may exempt files based on an ERE matching file names. +# For example, to exempt from the sc_space_tab check all files with the +# .diff suffix, set this Make variable: +# +# exclude_file_name_regexp--sc_space_tab = \.diff$ +# +# Note that while this functionality is mostly inherited via VC_LIST_EXCEPT, +# when filtering by name via in_files, we explicitly filter out matching +# names here as well. + +# By default, _sc_search_regexp does not ignore case. +export ignore_case = +_ignore_case = $$(test -n "$$ignore_case" && printf %s -i || :) + +define _sc_say_and_exit + dummy=; : so we do not need a semicolon before each use; \ + { printf '%s\n' "$(ME): $$msg" 1>&2; exit 1; }; +endef + +define _sc_search_regexp + dummy=; : so we do not need a semicolon before each use; \ + \ + : Check arguments; \ + test -n "$$prohibit" && test -n "$$require" \ + && { msg='Cannot specify both prohibit and require' \ + $(_sc_say_and_exit) } || :; \ + test -z "$$prohibit" && test -z "$$require" \ + && { msg='Should specify either prohibit or require' \ + $(_sc_say_and_exit) } || :; \ + test -n "$$in_vc_files" && test -n "$$in_files" \ + && { msg='Cannot specify both in_vc_files and in_files' \ + $(_sc_say_and_exit) } || :; \ + test "x$$halt" != x \ + || { msg='halt not defined' $(_sc_say_and_exit) }; \ + \ + : Filter by file name; \ + if test -n "$$in_files"; then \ + files=$$(find $(srcdir) | grep -E "$$in_files" \ + | grep -Ev '$(exclude_file_name_regexp--$@)'); \ + else \ + files=$$($(VC_LIST_EXCEPT)); \ + if test -n "$$in_vc_files"; then \ + files=$$(echo "$$files" | grep -E "$$in_vc_files"); \ + fi; \ + fi; \ + \ + : Filter by content; \ + test -n "$$files" && test -n "$$containing" \ + && { files=$$(grep -l "$$containing" $$files); } || :; \ + test -n "$$files" && test -n "$$non_containing" \ + && { files=$$(grep -vl "$$non_containing" $$files); } || :; \ + \ + : Check for the construct; \ + if test -n "$$files"; then \ + if test -n "$$prohibit"; then \ + grep $$with_grep_options $(_ignore_case) -nE "$$prohibit" $$files \ + && { msg="$$halt" $(_sc_say_and_exit) } || :; \ + else \ + grep $$with_grep_options $(_ignore_case) -LE "$$require" $$files \ + | grep . \ + && { msg="$$halt" $(_sc_say_and_exit) } || :; \ + fi \ + else :; \ + fi || :; +endef + +sc_avoid_if_before_free: + @$(srcdir)/$(_build-aux)/useless-if-before-free \ + $(useless_free_options) \ + $$($(VC_LIST_EXCEPT) | grep -v useless-if-before-free) && \ + { echo '$(ME): found useless "if" before "free" above' 1>&2; \ exit 1; } || : +sc_cast_of_argument_to_free: + @prohibit='\<free *\( *\(' halt='don'\''t cast free argument' \ + $(_sc_search_regexp) + sc_cast_of_x_alloc_return_value: - @shopt -s nullglob; \ - grep -nE --exclude=$(srcdir)/lib/regex.c \ - '\*\) *x(m|c|re)alloc\>' \ - $(srcdir)/{lib,src}/*.[chly] /dev/null && \ - { echo '$(ME): don'\''t cast x*alloc return value' 1>&2; \ - exit 1; } || : + @prohibit='\*\) *x(m|c|re)alloc\>' \ + halt='don'\''t cast x*alloc return value' \ + $(_sc_search_regexp) sc_cast_of_alloca_return_value: - @shopt -s nullglob; \ - grep -nE '\*\) *alloca\>' \ - $(srcdir)/src/*.[chly] /dev/null && \ - { echo '$(ME): don'\''t cast alloca return value' 1>&2; \ - exit 1; } || : + @prohibit='\*\) *alloca\>' \ + halt='don'\''t cast alloca return value' \ + $(_sc_search_regexp) sc_space_tab: - @grep -n '[ ] ' $$($(VC_LIST_EXCEPT)) && \ - { echo '$(ME): found SPACE-TAB sequence; remove the SPACE' \ - 1>&2; exit 1; } || : + @prohibit='[ ] ' \ + halt='found SPACE-TAB sequence; remove the SPACE' \ + $(_sc_search_regexp) -# Don't use *scanf or the old ato* functions in `real' code. +# Don't use *scanf or the old ato* functions in "real" code. # They provide no error checking mechanism. # Instead, use strto* functions. sc_prohibit_atoi_atof: - @grep -nE '\<([fs]?scanf|ato([filq]|ll))\>' $$($(VC_LIST_EXCEPT)) && \ - { echo '$(ME): do not use *scan''f, ato''f, ato''i, ato''l, ato''ll, ato''q, or ss''canf' \ + @prohibit='\<([fs]?scanf|ato([filq]|ll)) *\(' \ + halt='do not use *scan''f, ato''f, ato''i, ato''l, ato''ll or ato''q' \ + $(_sc_search_regexp) + +# Use STREQ rather than comparing strcmp == 0, or != 0. +sc_prohibit_strcmp: + @grep -nE '! *str''cmp *\(|\<str''cmp *\(.+\) *[!=]=' \ + $$($(VC_LIST_EXCEPT)) \ + | grep -vE ':# *define STRN?EQ\(' && \ + { echo '$(ME): replace str''cmp calls above with STREQ/STRNEQ' \ 1>&2; exit 1; } || : +# Pass EXIT_*, not number, to usage, exit, and error (when exiting) +# Convert all uses automatically, via these two commands: +# git grep -l '\<exit *(1)' \ +# | grep -vEf .x-sc_prohibit_magic_number_exit \ +# | xargs --no-run-if-empty \ +# perl -pi -e 's/(^|[^.])\b(exit ?)\(1\)/$1$2(EXIT_FAILURE)/' +# git grep -l '\<exit *(0)' \ +# | grep -vEf .x-sc_prohibit_magic_number_exit \ +# | xargs --no-run-if-empty \ +# perl -pi -e 's/(^|[^.])\b(exit ?)\(0\)/$1$2(EXIT_SUCCESS)/' +sc_prohibit_magic_number_exit: + @prohibit='(^|[^.])\<(usage|exit) ?\([0-9]|\<error ?\([1-9][0-9]*,' \ + halt='use EXIT_* values rather than magic number' \ + $(_sc_search_regexp) + # Using EXIT_SUCCESS as the first argument to error is misleading, -# since when that parameter is 0, error does not exit. Use `0' instead. +# since when that parameter is 0, error does not exit. Use '0' instead. sc_error_exit_success: - @grep -nF 'error (EXIT_SUCCESS,' \ - $$(find -type f -name '*.[chly]') /dev/null && \ - { echo '$(ME): found error (EXIT_SUCCESS' 1>&2; \ + @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: + @grep -nEA2 '[^rp]error *\(' $$($(VC_LIST_EXCEPT)) \ + | grep -E '"Warning|"Fatal|"fatal' && \ + { echo '$(ME): use FATAL, WARNING or warning' 1>&2; \ exit 1; } || : -sc_file_system: - @grep -ni 'file''system' $$($(VC_LIST_EXCEPT)) \ - | grep -v 'File''system Hierarchy Standard' && \ - { echo '$(ME): found use of "file''system";' \ - 'rewrite to use "file system"' 1>&2; \ +# Error messages should not start with a capital letter +sc_error_message_uppercase: + @grep -nEA2 '[^rp]error *\(' $$($(VC_LIST_EXCEPT)) \ + | grep -E '"[A-Z]' \ + | grep -vE '"FATAL|"WARNING|"Java|"C#|PRIuMAX' && \ + { echo '$(ME): found capitalized error message' 1>&2; \ exit 1; } || : -sc_no_have_config_h: - @grep -n '^# *if.*HAVE''_CONFIG_H' $$($(VC_LIST_EXCEPT)) && \ - { echo '$(ME): found use of HAVE''_CONFIG_H; remove' \ - 1>&2; exit 1; } || : +# Error messages should not end with a period +sc_error_message_period: + @grep -nEA2 '[^rp]error *\(' $$($(VC_LIST_EXCEPT)) \ + | grep -E '[^."]\."' && \ + { echo '$(ME): found error message ending in period' 1>&2; \ + exit 1; } || : -# Nearly all .c files must include <config.h>. +sc_file_system: + @prohibit=file''system \ + ignore_case=1 \ + halt='found use of "file''system"; spell it "file system"' \ + $(_sc_search_regexp) + +# Don't use cpp tests of this symbol. All code assumes config.h is included. +sc_prohibit_have_config_h: + @prohibit='^# *if.*HAVE''_CONFIG_H' \ + halt='found use of HAVE''_CONFIG_H; remove' \ + $(_sc_search_regexp) + +# Nearly all .c files must include <config.h>. However, we also permit this +# via inclusion of a package-specific header, if cfg.mk specified one. +# config_h_header must be suitable for grep -E. +config_h_header ?= <config\.h> sc_require_config_h: - @if $(VC_LIST_EXCEPT) | grep '\.c$$' > /dev/null; then \ - grep -L '^# *include <config\.h>' \ - $$($(VC_LIST_EXCEPT) | grep '\.c$$') \ - | grep . && \ - { echo '$(ME): the above files do not include <config.h>' \ - 1>&2; exit 1; } || :; \ + @require='^# *include $(config_h_header)' \ + in_vc_files='\.c$$' \ + halt='the above files do not include <config.h>' \ + $(_sc_search_regexp) + +# You must include <config.h> before including any other header file. +# This can possibly be via a package-specific header, if given by cfg.mk. +sc_require_config_h_first: + @if $(VC_LIST_EXCEPT) | grep -l '\.c$$' > /dev/null; then \ + fail=0; \ + for i in $$($(VC_LIST_EXCEPT) | grep '\.c$$'); do \ + grep '^# *include\>' $$i | sed 1q \ + | grep -E '^# *include $(config_h_header)' > /dev/null \ + || { echo $$i; fail=1; }; \ + done; \ + test $$fail = 1 && \ + { echo '$(ME): the above files include some other header' \ + 'before <config.h>' 1>&2; exit 1; } || :; \ else :; \ fi +sc_prohibit_HAVE_MBRTOWC: + @prohibit='\bHAVE_MBRTOWC\b' \ + halt="do not use $$prohibit; it is always defined" \ + $(_sc_search_regexp) + # To use this "command" macro, you must first define two shell variables: -# h: the header, enclosed in <> or "" +# h: the header name, with no enclosing <> or "" # re: a regular expression that matches IFF something provided by $h is used. -define _header_without_use - h_esc=`echo "$$h"|sed 's/\./\\./'`; \ - if $(VC_LIST_EXCEPT) | grep '\.c$$' > /dev/null; then \ +define _sc_header_without_use + dummy=; : so we do not need a semicolon before each use; \ + h_esc=`echo '[<"]'"$$h"'[">]'|sed 's/\./\\\\./g'`; \ + if $(VC_LIST_EXCEPT) | grep -l '\.c$$' > /dev/null; then \ files=$$(grep -l '^# *include '"$$h_esc" \ $$($(VC_LIST_EXCEPT) | grep '\.c$$')) && \ grep -LE "$$re" $$files | grep . && \ @@ -194,194 +417,567 @@ endef # Prohibit the inclusion of assert.h without an actual use of assert. sc_prohibit_assert_without_use: - @h='<assert.h>' re='\<assert *\(' $(_header_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)? *\(' $(_header_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(_[^ ]+)? *\(' $(_header_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)? *\(' $(_header_without_use) + @h='quote.h' re='\<quote(_n)? *\(' $(_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 *\(' \ - $(_header_without_use) + @h='long-options.h' re='\<parse_long_options *\(' \ + $(_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 *\(' \ - $(_header_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"' \ + @h='error.h' \ re='\<error(_at_line|_print_progname|_one_per_line|_message_count)? *\('\ - $(_header_without_use) + $(_sc_header_without_use) + +# Don't include xalloc.h unless you use one of its functions. +# Consider these symbols: +# perl -lne '/^# *define (\w+)\(/ and print $1' lib/xalloc.h|grep -v '^__'; +# perl -lne '/^(?:extern )?(?:void|char) \*?(\w+) *\(/ and print $1' lib/xalloc.h +# Divide into two sets on case, and filter each through this: +# | sort | perl -MRegexp::Assemble -le \ +# 'print Regexp::Assemble->new(file => "/dev/stdin")->as_string'|sed 's/\?://g' +# Note this was produced by the above: +# _xa1 = \ +#x(((2n?)?re|c(har)?|n(re|m)|z)alloc|alloc_(oversized|die)|m(alloc|emdup)|strdup) +# But we can do better, in at least two ways: +# 1) take advantage of two "dup"-suffixed strings: +# x(((2n?)?re|c(har)?|n(re|m)|[mz])alloc|alloc_(oversized|die)|(mem|str)dup) +# 2) notice that "c(har)?|[mz]" is equivalent to the shorter and more readable +# "char|[cmz]" +# x(((2n?)?re|char|n(re|m)|[cmz])alloc|alloc_(oversized|die)|(mem|str)dup) +_xa1 = x(((2n?)?re|char|n(re|m)|[cmz])alloc|alloc_(oversized|die)|(mem|str)dup) +_xa2 = X([CZ]|N?M)ALLOC +sc_prohibit_xalloc_without_use: + @h='xalloc.h' \ + re='\<($(_xa1)|$(_xa2)) *\('\ + $(_sc_header_without_use) + +# Extract function names: +# perl -lne '/^(?:extern )?(?:void|char) \*?(\w+) *\(/ and print $1' lib/hash.h +_hash_re = \ +clear|delete|free|get_(first|next)|insert|lookup|print_statistics|reset_tuning +_hash_fn = \<($(_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 *\(' $(_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 *\()' \ - $(_header_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='(\<(ARRAY_CARDINALITY|X?ARGMATCH(|_TO_ARGUMENT|_VERIFY))\>|\<argmatch(_exit_fn|_(in)?valid) *\()' \ - $(_header_without_use) + @h='argmatch.h' \ + re='(\<(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)' \ + $(_sc_header_without_use) sc_prohibit_root_dev_ino_without_use: - @h='"root-dev-ino.h"' \ + @h='root-dev-ino.h' \ re='(\<ROOT_DEV_INO_(CHECK|WARN)\>|\<get_root_dev_ino *\()' \ - $(_header_without_use) + $(_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)\>' \ + $(_sc_header_without_use) + +# Prohibit the inclusion of c-ctype.h without an actual use. +ctype_re = isalnum|isalpha|isascii|isblank|iscntrl|isdigit|isgraph|islower\ +|isprint|ispunct|isspace|isupper|isxdigit|tolower|toupper +sc_prohibit_c_ctype_without_use: + @h='c-ctype.h' re='\<c_($(ctype_re)) *\(' \ + $(_sc_header_without_use) + +_empty = +_sp = $(_empty) $(_empty) +# 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) + +# Get the list of symbol names with this: +# perl -lne '/^# *define ([A-Z]\w+)\(/ and print $1' lib/intprops.h|fmt +_intprops_names = \ + TYPE_IS_INTEGER TYPE_TWOS_COMPLEMENT TYPE_ONES_COMPLEMENT \ + TYPE_SIGNED_MAGNITUDE TYPE_SIGNED TYPE_MINIMUM TYPE_MAXIMUM \ + INT_BITS_STRLEN_BOUND INT_STRLEN_BOUND INT_BUFSIZE_BOUND \ + INT_ADD_RANGE_OVERFLOW INT_SUBTRACT_RANGE_OVERFLOW \ + INT_NEGATE_RANGE_OVERFLOW INT_MULTIPLY_RANGE_OVERFLOW \ + INT_DIVIDE_RANGE_OVERFLOW INT_REMAINDER_RANGE_OVERFLOW \ + INT_LEFT_SHIFT_RANGE_OVERFLOW INT_ADD_OVERFLOW INT_SUBTRACT_OVERFLOW \ + INT_NEGATE_OVERFLOW INT_MULTIPLY_OVERFLOW INT_DIVIDE_OVERFLOW \ + INT_REMAINDER_OVERFLOW INT_LEFT_SHIFT_OVERFLOW +_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)) *\(' \ + $(_sc_header_without_use) + +_stddef_syms_re = NULL|offsetof|ptrdiff_t|size_t|wchar_t +# Prohibit the inclusion of stddef.h without an actual use. +sc_prohibit_stddef_without_use: + @h='stddef.h' \ + re='\<($(_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(true|expr)?|static_assert) *\(' \ + $(_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: - @grep -nE '\<(HAVE''_FCNTL_H|O''_NDELAY)\>' \ - $$($(VC_LIST_EXCEPT)) && \ - { echo '$(ME): do not use HAVE''_FCNTL_H or O''_NDELAY' \ - 1>&2; exit 1; } || : + @prohibit='\<(HAVE''_FCNTL_H|O''_NDELAY)\>' \ + halt='do not use HAVE''_FCNTL_H or O'_NDELAY \ + $(_sc_search_regexp) # FIXME: warn about definitions of EXIT_FAILURE, EXIT_SUCCESS, STREQ -# Each nonempty line must start with a year number, or a TAB. +# Each nonempty ChangeLog line must start with a year number, or a TAB. sc_changelog: - @grep -n '^[^12 ]' $$(find $(srcdir) -maxdepth 2 -name ChangeLog) && \ - { echo '$(ME): found unexpected prefix in a ChangeLog' 1>&2; \ - exit 1; } || : - -# Ensure that dd's definition of LONGEST_SYMBOL stays in sync -# with the strings from the two affected variables. -dd_c = $(srcdir)/src/dd.c -sc_dd_max_sym_length: -ifneq ($(wildcard $(dd_c)),) - @len=$$( (sed -n '/conversions\[\] =$$/,/^};/p' $(dd_c);\ - sed -n '/flags\[\] =$$/,/^};/p' $(dd_c) ) \ - |sed -n '/"/s/^[^"]*"\([^"]*\)".*/\1/p' \ - | wc --max-line-length); \ - max=$$(sed -n '/^#define LONGEST_SYMBOL /s///p' $(dd_c) \ - |tr -d '"' | wc --max-line-length); \ - if test "$$len" = "$$max"; then :; else \ - echo 'dd.c: LONGEST_SYMBOL is not longest' 1>&2; \ - exit 1; \ - fi -endif - -# Many m4 macros names once began with `jm_'. -# On 2004-04-13, they were all changed to start with gl_ instead. -# Make sure that none are inadvertently reintroduced. -sc_prohibit_jm_in_m4: - @grep -nE 'jm_[A-Z]' \ - $$($(VC_LIST) m4 |grep '\.m4$$') && \ - { echo '$(ME): do not use jm_ in m4 macro names' \ - 1>&2; exit 1; } || : - -sc_root_tests: - @t1=sc-root.expected; t2=sc-root.actual; \ - grep -nl '^PRIV_CHECK_ARG=require-root' \ - $$($(VC_LIST) tests) |sed s/tests/./ |sort > $$t1; \ - sed -n 's, cd \([^ ]*\) .*MAKE..check TESTS=\(.*\),./\1/\2,p' \ - $(srcdir)/tests/Makefile.am |sort > $$t2; \ - diff -u $$t1 $$t2 || diff=1; \ - rm -f $$t1 $$t2; \ - test "$$diff" \ - && { echo 'tests/Makefile.am: missing check-root action'>&2; \ - exit 1; } || : - -# Files in src/ should not include directly any of -# the headers already included via system.h. -sc_system_h_headers: - @if test -f $(srcdir)/src/system.h; then \ - pat=$$( \ - sed -n '/^# *include /s///p' $(srcdir)/src/system.h /dev/null \ - | grep -Ev 'sys/(param|file)\.h' \ - | sed 's/ .*//;;s/^["<]/^# *include [<"]/;s/\.h[">]$$/\\.h[">]/' \ - ) && \ - grep -nE -f "$pat" \ - $$($(VC_LIST) src | \ - grep -Ev '((copy|system)\.h|parse-gram\.c)$$') \ - && { echo '$(ME): the above are already included via system.h'\ - 1>&2; exit 1; } || :; \ + @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 set_program_name. +sc_program_name: + @require='set_program_name *\(m?argv\[0\]\);' \ + in_vc_files='\.c$$' \ + containing='\<main *(' \ + halt='the above files do not call set_program_name' \ + $(_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_sun_os_names: - @grep -nEi \ - 'solaris[^[:alnum:]]*2\.(7|8|9|[1-9][0-9])|sunos[^[:alnum:]][6-9]' \ - $$($(VC_LIST_EXCEPT)) && \ - { echo '$(ME): found misuse of Sun OS version numbers' 1>&2; \ - exit 1; } || : - -sc_the_the: - @grep -ni '\<the ''the\>' $$($(VC_LIST_EXCEPT)) && \ - { echo '$(ME): found use of "the ''the";' 1>&2; \ - exit 1; } || : - -sc_tight_scope: - test ! -d src || $(MAKE) -C src $@ - sc_trailing_blank: - @grep -n '[ ]$$' $$($(VC_LIST_EXCEPT)) && \ - { echo '$(ME): found trailing blank(s)' \ - 1>&2; exit 1; } || : + @prohibit='[ ]$$' \ + halt='found trailing blank(s)' \ + $(_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: - @grep -nE '^ *(-[A-Za-z],)? $(longopt_re) [^ ].*\\$$' \ - $$($(VC_LIST_EXCEPT)) && \ - { echo "$(ME): help2man requires at least two spaces between"; \ - echo "$(ME): an option and its description"; \ - 1>&2; exit 1; } || : + @prohibit='^ *(-[A-Za-z],)? $(longopt_re) [^ ].*\\$$' \ + 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: @grep -nE \ - '\<error \([^"]*"[^"]*[a-z]{3}' $$($(VC_LIST_EXCEPT)) \ - | grep -v '_''(' && \ + '\<$(_gl_translatable_diag_func_re) *\([^"]*"[^"]*[a-z]{3}' \ + $$($(VC_LIST_EXCEPT)) \ + | grep -Ev '(_|ngettext ?)\(' && \ { echo '$(ME): found unmarked diagnostic(s)' 1>&2; \ exit 1; } || : # Avoid useless parentheses like those in this example: # #if defined (SYMBOL) || defined (SYM2) sc_useless_cpp_parens: - @grep -n '^# *if .*defined *(' $$($(VC_LIST_EXCEPT)) && \ - { echo '$(ME): found useless parentheses in cpp directive' \ - 1>&2; exit 1; } || : + @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) + +# ================================================================== +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/$$/\\>/' +endef -# Ensure that the c99-to-c89 patch applies cleanly. -patch-check: - if test -f src/c99-to-c89.diff; then \ - rm -rf src-c89 $@.1 $@.2 && \ - cp -a src src-c89 && \ - (cd src-c89; patch -V never --fuzz=0) < src/c99-to-c89.diff \ - > $@.1 2>&1 && \ - { grep -v '^patching file ' $@.1 > $@.2 || :; } && \ - test -s $@.2 && \ - rm -rf src-c89 $@.1 $@.2; \ +# Don't define macros that we already get from gnulib header files. +sc_prohibit_always-defined_macros: + @if test -d $(gnulib_dir); then \ + case $$(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 - $$($(VC_LIST_EXCEPT)) \ + && { echo '$(ME): define the above via some gnulib .h file' \ + 1>&2; exit 1; } || :; \ fi +# ================================================================== + +# Prohibit checked in backup files. +sc_prohibit_backup_files: + @$(VC_LIST) | grep '~$$' && \ + { 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{}. +# http://lists.gnu.org/archive/html/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 $$fail } +sc_prohibit_empty_lines_at_EOF: + @perl -le '$(require_exactly_one_NL_at_EOF_)' $$($(VC_LIST_EXCEPT)) \ + || { echo '$(ME): empty line(s) or no newline at EOF' \ + 1>&2; exit 1; } || : -# Ensure that date's --help output stays in sync with the info -# documentation for GNU strftime. The only exception is %N, -# which date accepts but GNU strftime does not. -extract_char = sed 's/^[^%][^%]*%\(.\).*/\1/' -strftime-check: - if test -f $(srcdir)/src/date.c; then \ - grep '^ %. ' $(srcdir)/src/date.c | sort \ - | $(extract_char) > $@-src; \ - { echo N; \ - info libc date calendar format | grep '^ `%.'\' \ - | $(extract_char); } | sort > $@-info; \ - diff -u $@-src $@-info || exit 1; \ - rm -f $@-src $@-info; \ +# Make sure we don't use st_blocks. Use ST_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' \ + $(_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:$$v\n";' \ + -e ' }' + +prohibit_doubled_word_RE_ ?= \ + /\b(then?|[iao]n|i[fst]|but|f?or|at|and|[dt]o)\s+\1\b/gims +prohibit_doubled_word_ = \ + -e 'while ($(prohibit_doubled_word_RE_))' \ + $(perl_filename_lineno_text_) + +# Define this to a regular expression that matches +# any filename:dd:match lines you want to ignore. +# The default is to ignore no matches. +ignore_doubled_word_match_RE_ ?= ^$$ + +sc_prohibit_doubled_word: + @perl -n -0777 $(prohibit_doubled_word_) $$($(VC_LIST_EXCEPT)) \ + | grep -vE '$(ignore_doubled_word_match_RE_)' \ + | grep . && { echo '$(ME): doubled words' 1>&2; exit 1; } || : + +# A regular expression matching undesirable combinations of words like +# "can not"; this matches them even when the two words appear on different +# lines, but not when there is an intervening delimiter like "#" or "*". +prohibit_undesirable_word_seq_RE_ ?= \ + /\bcan\s+not\b/gims +prohibit_undesirable_word_seq_ = \ + -e 'while ($(prohibit_undesirable_word_seq_RE_))' \ + $(perl_filename_lineno_text_) +# Define this to a regular expression that matches +# any filename:dd:match lines you want to ignore. +# The default is to ignore no matches. +ignore_undesirable_word_sequence_RE_ ?= ^$$ + +sc_prohibit_undesirable_word_seq: + @perl -n -0777 $(prohibit_undesirable_word_seq_) \ + $$($(VC_LIST_EXCEPT)) \ + | grep -vE '$(ignore_undesirable_word_sequence_RE_)' | grep . \ + && { echo '$(ME): undesirable word sequence' >&2; exit 1; } || : + +_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=$$(grep -l 'proper_name_utf8 ''("' $$($(VC_LIST_EXCEPT)));\ + 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 -check-AUTHORS: - test ! -d src || $(MAKE) -C src $@ +# 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: + @grep '^ *static.*struct option ' $$($(VC_LIST_EXCEPT)) \ + | grep -Ev 'const struct option|struct option const' && { \ + echo 1>&2 '$(ME): add "const" to the above declarations'; \ + exit 1; } || : NEWS_hash = \ $$(sed -n '/^\*.* $(PREV_VERSION_REGEXP) ([0-9-]*)/,$$p' \ @@ -407,46 +1003,64 @@ update-NEWS-hash: NEWS # Ensure that we use only the standard $(VAR) notation, # not @...@ in Makefile.am, now that we can rely on automake # to emit a definition for each substituted variable. -makefile-check: - grep -nE '@[A-Z_0-9]+@' `find $(srcdir) -name Makefile.am` \ +# However, there is still one case in which @VAR@ use is not just +# legitimate, but actually required: when augmenting an automake-defined +# variable with a prefix. For example, gettext uses this: +# MAKEINFO = env LANG= LC_MESSAGES= LC_ALL= LANGUAGE= @MAKEINFO@ +# otherwise, makeinfo would put German or French (current locale) +# navigation hints in the otherwise-English documentation. +# +# Allow the package to add exceptions via a hook in cfg.mk; +# for example, @PRAGMA_SYSTEM_HEADER@ can be permitted by +# setting this to ' && !/PRAGMA_SYSTEM_HEADER/'. +_makefile_at_at_check_exceptions ?= +sc_makefile_at_at_check: + @perl -ne '/\@[A-Z_0-9]+\@/' \ + -e ' && !/([A-Z_0-9]+)\s+=.*\@\1\@$$/' \ + -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-date-check: NEWS - today=`date +%Y-%m-%d`; \ - if head NEWS | grep '^\*.* $(VERSION_REGEXP) ('$$today')' \ - >/dev/null; then \ +news-check: NEWS + if sed -n $(news-check-lines-spec)p $(srcdir)/NEWS \ + | grep -E $(news-check-regexp) >/dev/null; then \ :; \ else \ - echo "version or today's date is not in NEWS" 1>&2; \ + echo 'NEWS: $$(news-check-regexp) failed to match' 1>&2; \ exit 1; \ fi -changelog-check: - if head ChangeLog | grep 'Version $(VERSION_REGEXP)\.$$' \ - >/dev/null; then \ - :; \ - else \ - echo "$(VERSION) not in ChangeLog" 1>&2; \ - exit 1; \ - fi +sc_makefile_TAB_only_indentation: + @prohibit='^ [ ]{8}' \ + in_vc_files='akefile|\.mk$$' \ + halt='found TAB-8-space indentation' \ + $(_sc_search_regexp) -m4-check: - @shopt -s nullglob; \ - grep 'AC_DEFUN([^[]' m4/*.m4 /dev/null \ - && { echo '$(ME): quote the first arg to AC_DEFUN' 1>&2; \ - exit 1; } || : +sc_m4_quote_check: + @prohibit='(AC_DEFINE(_UNQUOTED)?|AC_DEFUN)\([^[]' \ + in_vc_files='(^configure\.ac|\.m4)$$' \ + halt='quote the first arg to AC_DEF*' \ + $(_sc_search_regexp) + +fix_po_file_diag = \ +'you have changed the set of files with translatable diagnostics;\n\ +apply the above patch\n' # Verify that all source files using _() are listed in po/POTFILES.in. -# FIXME: don't hard-code file names below; use a more general mechanism. -po-check: - if test -f po/POTFILES.in; then \ - grep -E -v '^(#|$$)' po/POTFILES.in \ +po_file ?= $(srcdir)/po/POTFILES.in +generated_files ?= $(srcdir)/lib/*.[ch] +sc_po_check: + @if test -f $(po_file); then \ + grep -E -v '^(#|$$)' $(po_file) \ | grep -v '^src/false\.c$$' | sort > $@-1; \ files=; \ - for file in $$($(VC_LIST_EXCEPT)) lib/*.[ch]; do \ + for file in $$($(VC_LIST_EXCEPT)) $(generated_files); do \ + test -r $$file || continue; \ case $$file in \ - djgpp/* | man/*) continue;; \ - */c99-to-c89.diff) continue;; \ + *.m4|*.mk) continue ;; \ + *.?|*.??) ;; \ + *) continue;; \ esac; \ case $$file in \ *.[ch]) \ @@ -456,57 +1070,123 @@ po-check: files="$$files $$file"; \ done; \ grep -E -l '\b(N?_|gettext *)\([^)"]*("|$$)' $$files \ - | sort -u > $@-2; \ - diff -u $@-1 $@-2 || exit 1; \ + | sed 's|^$(_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 $@-2; \ fi -# In a definition of #define AUTHORS "... and ..." where the RHS contains -# the English word `and', the string must be marked with `N_ (...)' so that -# gettext recognizes it as a string requiring translation. -author_mark_check: - @shopt -s nullglob; \ - grep -n '^# *define AUTHORS "[^"]* and ' src/*.c /dev/null \ - | grep -v ' N_ (' && \ - { echo '$(ME): enclose the above strings in N_ (...)' 1>&2; \ - exit 1; } || : - # 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@'. -# It'd be better to use `find -print0 ...|xargs -0 ...', but less portable, -# and there probably aren't many projects with so many Makefile.am files -# that we'd have to worry about limits on command line length. -msg = '$(ME): Do not use `:'\'' above; use @PATH_SEPARATOR@ instead' -makefile_path_separator_check: - @grep -n 'PATH=.*:' `find $(srcdir) -name Makefile.am` \ - && { echo $(msg) 1>&2; exit 1; } || : - -# Check that `make alpha' will not fail at the end of the process. +# path separator of ':', but rather the automake-provided '$(PATH_SEPARATOR)'. +msg = '$(ME): 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) + +# 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 :; else \ - mkdir $(release_archive_dir); \ + 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 "$$fail" && exit 1 || : ; \ + else :; \ fi - for file in $(distdir).tar.gz \ - $(release_archive_dir)/$(distdir).tar.gz; do \ - test -e $$file || continue; \ - test -w $$file \ - || { echo ERROR: $$file is not writable; fail=1; }; \ - done; \ - test "$$fail" && exit 1 || : -v_etc_file = lib/version-etc.c +v_etc_file = $(gnulib_dir)/lib/version-etc.c +sample-test = tests/sample-test +texi = doc/$(PACKAGE).texi # Make sure that the copyright date in $(v_etc_file) is up to date. -copyright-check: - @if test -f $(v_etc_file); then \ - grep 'enum { COPYRIGHT_YEAR = '$$(date +%Y)' };' $(v_etc_file) \ - >/dev/null \ - || { echo 'out of date copyright in $(v_etc_file); update it' 1>&2; \ - exit 1; }; \ +# 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. +# 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=$$(grep -E '$(_hv_regex_strong)' $(_hv_file)); \ + grep -LFx "$$good" \ + $$(grep -lE '$(_hv_regex_weak)' $$($(VC_LIST_EXCEPT))) \ + | grep . && \ + { echo "$(ME): the above files use path_prepend_ inconsistently" \ + 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 *\([^)]*|\[[^]]*)PATH_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=$$(find $(srcdir) -name Makefile.in) \ + halt=$$(printf '%s\n' \ + 'the above files are vulnerable; beware of running' \ + ' "make dist*" rules, and upgrade to fixed automake' \ + ' see http://bugzilla.redhat.com/542609 for details') \ + $(_sc_search_regexp) + vc-diff-check: - (CDPATH=; cd $(srcdir) && $(VC) diff) > vc-diffs || : + (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; \ @@ -515,57 +1195,6 @@ vc-diff-check: rm vc-diffs; \ fi -cvs-check: vc-diff-check - -maintainer-distcheck: - $(MAKE) distcheck - $(MAKE) -C tests $(AM_MAKEFLAGS) maintainer-check - $(MAKE) my-distcheck - -# Don't make a distribution if checks fail. -# Also, make sure the NEWS file is up-to-date. -vc-dist: $(local-check) cvs-check maintainer-distcheck - $(MAKE) dist - -# Use this to make sure we don't run these programs when building -# from a virgin tgz file, below. -null_AM_MAKEFLAGS = \ - ACLOCAL=false \ - AUTOCONF=false \ - AUTOMAKE=false \ - AUTOHEADER=false \ - MAKEINFO=false - -# Detect format-string/arg-list mismatches that would normally be obscured -# by the use of _(). The --disable-nls effectively defines away that macro, -# and building with CFLAGS='-Wformat -Werror' causes any format warning to be -# treated as a failure. Also, check for shadowing problems with -Wshadow, -# and for pointer arithmetic problems with -Wpointer-arith. -# These CFLAGS are pretty strict. If you build this target, you probably -# have to have a recent version of gcc and glibc headers. -TMPDIR ?= /tmp -t=$(TMPDIR)/$(PACKAGE)/test -my-distcheck: $(local-check) $(release_archive_dir)/$(prev-tgz) - -rm -rf $(t) - mkdir -p $(t) - GZIP=$(GZIP_ENV) $(AMTAR) -C $(t) -zxf $(distdir).tar.gz - cd $(t)/$(distdir) \ - && ./configure --disable-nls \ - && $(MAKE) CFLAGS='-Werror -Wall -Wformat -Wshadow -Wpointer-arith' \ - AM_MAKEFLAGS='$(null_AM_MAKEFLAGS)' \ - && $(MAKE) dvi \ - && $(MAKE) check \ - && $(MAKE) distclean - (cd $(t) && mv $(distdir) $(distdir).old \ - && $(AMTAR) -zxf - ) < $(distdir).tar.gz - diff -ur $(t)/$(distdir).old $(t)/$(distdir) - -rm -rf $(t) - @echo "========================"; \ - echo "$(distdir).tar.gz is ready for distribution"; \ - echo "========================" - -prev-tgz = $(PACKAGE)-$(PREV_VERSION).tar.gz - rel-files = $(DIST_ARCHIVES) gnulib_dir ?= $(srcdir)/gnulib @@ -575,19 +1204,28 @@ 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) + $$(git cat-file tag v$(VERSION) \ + | gpgv --status-fd 1 --keyring /dev/null - - 2>/dev/null \ + | sed -n '/^\[GNUPG:\] ERRSIG /{s///;s/ .*//p;q}') translation_project_ ?= coordinator@translationproject.org -announcement_Cc_ ?= $(translation_project_), $(PACKAGE_BUGREPORT) -announcement_mail_headers_ ?= \ -To: info-gnu@gnu.org \ -Cc: $(announcement_Cc_) \ -Mail-Followup-To: $(PACKAGE_BUGREPORT) + +# Make info-gnu the default only for a stable release. +ifeq ($(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 $(rel-files) - @$(build_aux)/announce-gen \ + @$(srcdir)/$(_build-aux)/announce-gen \ --mail-headers='$(announcement_mail_headers_)' \ --release-type=$(RELEASE_TYPE) \ --package=$(PACKAGE) \ @@ -596,6 +1234,7 @@ announcement: NEWS ChangeLog $(rel-files) --gpg-key-id=$(gpg_key_ID) \ --news=$(srcdir)/NEWS \ --bootstrap-tools=$(bootstrap-tools) \ + --gnulib-version=$(gnulib-version) \ --no-print-checksums \ $(addprefix --url-dir=, $(url_dir_list)) @@ -606,37 +1245,72 @@ announcement: NEWS ChangeLog $(rel-files) ftp-gnu = ftp://ftp.gnu.org/gnu www-gnu = http://www.gnu.org -# Use mv, if you don't have/want move-if-change. -move_if_change ?= move-if-change - upload_dest_dir_ ?= $(PACKAGE) - emit_upload_commands: @echo ===================================== @echo ===================================== - @echo "$(build_aux)/gnupload $(GNUPLOADFLAGS) \\" + @echo "$(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 ===================================== -noteworthy = * Noteworthy changes in release ?.? (????-??-??) [?] define emit-commit-log - printf '%s\n' 'post-release administrivia' '' \ - '* NEWS: Add header line for next release.' \ - '* .prev-version: Record previous version.' \ + 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 $$sha1)' \ + || { echo '$(ME): found non-public submodule commit' >&2; \ + exit 1; }; \ + else \ + : ; \ + fi +# This rule has a high enough utility/cost ratio that it should be a +# dependent of "check" by default. However, some of us do occasionally +# commit a temporary change that deliberately points to a non-public +# submodule commit, and want to be able to use rules like "make check". +# In that case, run e.g., "make check gl_public_submodule_commit=" +# to disable this test. +gl_public_submodule_commit ?= public-submodule-commit +check: $(gl_public_submodule_commit) + .PHONY: alpha beta stable ALL_RECURSIVE_TARGETS += alpha beta stable -alpha beta stable: news-date-check changelog-check $(local-check) +alpha beta stable: $(local-check) writable-files $(submodule-checks) test $@ = stable \ && { echo $(VERSION) | grep -E '^[0-9]+(\.[0-9]+)+$$' \ || { echo "invalid version string: $(VERSION)" 1>&2; exit 1;};}\ || : - $(MAKE) vc-dist + $(MAKE) vc-diff-check + $(MAKE) news-check + $(MAKE) distcheck $(MAKE) dist XZ_OPT=-9ev $(MAKE) $(release-prep-hook) RELEASE_TYPE=$@ $(MAKE) -s emit_upload_commands RELEASE_TYPE=$@ @@ -644,23 +1318,23 @@ alpha beta stable: news-date-check changelog-check $(local-check) # 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 - $(MAKE) -s announcement > ~/announce-$(my_distdir) + $(MAKE) --no-print-directory -s announcement > ~/announce-$(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 '$$. == 3 and print "$(noteworthy)\n\n\n"' NEWS + perl -pi -e '$$. == 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 $(PACKAGE)-derived name doesn't apply. gendocs_options_ ?= @@ -670,12 +1344,56 @@ web-manual: @test -z "$(manual_title)" \ && { echo define manual_title in cfg.mk 1>&2; exit 1; } || : @cd '$(srcdir)/doc'; \ - $(SHELL) ../build-aux/gendocs.sh $(gendocs_options_) \ + $(SHELL) ../$(_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 ?= @@ -689,6 +1407,106 @@ update-copyright-env ?= # in the file .x-update-copyright. .PHONY: update-copyright update-copyright: - grep -l -w Copyright $$($(VC_LIST_EXCEPT)) \ - $(srcdir)/ChangeLog | grep -v COPYING \ - | $(update-copyright-env) xargs $(build_aux)/$@ + grep -l -w Copyright \ + $$(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) + @rm -f $@ $@-t + @perl -ne '/^# TS-start/.../^# TS-end/ and print' $(srcdir)/$(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 |