VC_LIST = $(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 ?= ^$$
+
+# This is to preprocess robustly the output of $(VC_LIST), so that even
+# when $(srcdir) is a pathological name like "....", the leading sed command
+# removes only the intended prefix.
+_dot_escaped_srcdir = $(subst .,\.,$(srcdir))
+
+# Post-process $(VC_LIST) output, prepending $(srcdir)/, but only
+# when $(srcdir) is not ".".
+ifeq ($(srcdir),.)
+_prepend_srcdir_prefix =
+else
+_prepend_srcdir_prefix = | sed 's|^|$(srcdir)/|'
+endif
+
+# In order to be able to consistently filter "."-relative names,
+# (i.e., with no $(srcdir) prefix), this definition is careful to
+# remove any $(srcdir) prefix, and to restore what it removes.
VC_LIST_EXCEPT = \
- $(VC_LIST) | if test -f $(srcdir)/.x-$@; then grep -vEf $(srcdir)/.x-$@; \
- else grep -Ev "$${VC_LIST_EXCEPT_DEFAULT-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)' \
+ $(_prepend_srcdir_prefix)
ifeq ($(origin prev_version_file), undefined)
prev_version_file = $(srcdir)/.prev-version
# Arrange to print the name of each syntax-checking rule just before running it.
$(syntax-check-rules): %: %.m
-$(patsubst %, %.m, $(syntax-check-rules)):
+sc_m_rules_ = $(patsubst %, %.m, $(syntax-check-rules))
+.PHONY: $(sc_m_rules_)
+$(sc_m_rules_):
@echo $(patsubst sc_%.m, %, $@)
local-check := $(filter-out $(local-checks-to-skip), $(local-checks-available))
$(_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) *\(' \
+ $(_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)? *\('\
re='\<($(_xa1)|$(_xa2)) *\('\
$(_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)'\
+ $(_header_without_use)
+
+sc_prohibit_hash_pjw_without_use:
+ @h='"hash-pjw.h"' \
+ re='\<hash_pjw *\(' \
+ $(_header_without_use)
+
sc_prohibit_safe_read_without_use:
@h='"safe-read.h"' re='(\<SAFE_READ_ERROR\>|\<safe_read *\()' \
$(_header_without_use)
@re='either ''version [^3]' msg='GPL vN, N!=3' \
$(_prohibit_regexp)
+# Require the latest GFDL. Two regexp, since some .texi files end up
+# line wrapping between 'Free Documentation License,' and 'Version'.
+_GFDL_regexp = (Free ''Documentation.*Version 1\.[^3]|Version 1\.[^3] or any)
+sc_GFDL_version:
+ @re='$(_GFDL_regexp)' msg='GFDL vN, N!=3' \
+ $(_prohibit_regexp)
+
cvs_keywords = \
Author|Date|Header|Id|Name|Locker|Log|RCSfile|Revision|Source|State
msg='do not define S_IS* macros; include <sys/stat.h>' \
$(_prohibit_regexp)
-# Each program that uses proper_name_utf8 must link with
-# one of the ICONV libraries.
+# 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): $$p uses proper_name_utf8"; }; \
# to emit a definition for each substituted variable.
# We use perl rather than "grep -nE ..." to exempt a single
# use of an @...@-delimited variable name in src/Makefile.am.
-sc_makefile_check:
- @perl -ne '/\@[A-Z_0-9]+\@/ && !/^cu_install_program =/' \
+# Allow the package to add exceptions via a hook in cfg.mk;
+# for example, @PRAGMA_SYSTEM_HEADER@ can be permitted by
+# setting this to ' && !/PRAGMA_SYSTEM_HEADER/'.
+_makefile_at_at_check_exceptions ?=
+sc_makefile_at_at_check:
+ @perl -ne '/\@[A-Z_0-9]+\@/'$(_makefile_at_at_check_exceptions) \
-e 'and (print "$$ARGV:$$.: $$_"), $$m=1; END {exit !$$m}' \
$$($(VC_LIST_EXCEPT) | grep -E '(^|/)Makefile\.am$$') \
&& { echo '$(ME): use $$(...), not @...@' 1>&2; exit 1; } || :
exit 1; }; \
fi
+# #if HAVE_... will evaluate to false for any non numeric string.
+# That would be flagged by using -Wundef, however gnulib currently
+# tests many undefined macros, and so we can't enable that option.
+# So at least preclude common boolean strings as macro values.
+sc_Wundef_boolean:
+ @grep -Ei '^#define.*(yes|no|true|false)$$' '$(CONFIG_INCLUDE)' && \
+ { echo 'Use 0 or 1 for macro values' 1>&2; exit 1; } || :
+
+sc_vulnerable_makefile_CVE-2009-4029:
+ @files=$$(find $(srcdir) -name Makefile.in); \
+ if test -n "$$files"; then \
+ grep -E \
+ 'perm -777 -exec chmod a\+rwx|chmod 777 \$$\(distdir\)' \
+ $$files && \
+ { echo '$(ME): the above files are vulnerable; beware of' \
+ 'running "make dist*" rules, and upgrade to fixed automake' \
+ 'see http://bugzilla.redhat.com/542609 for details' \
+ 1>&2; exit 1; } || :; \
+ else :; \
+ fi
+
vc-diff-check:
(unset CDPATH; cd $(srcdir) && $(VC) diff) > vc-diffs || :
if test -s vc-diffs; then \
ftp-gnu = ftp://ftp.gnu.org/gnu
www-gnu = http://www.gnu.org
+upload_dest_dir_ ?= $(PACKAGE)
emit_upload_commands:
@echo =====================================
@echo =====================================
@echo "$(build_aux)/gnupload $(GNUPLOADFLAGS) \\"
- @echo " --to $(gnu_rel_host):$(PACKAGE) \\"
+ @echo " --to $(gnu_rel_host):$(upload_dest_dir_) \\"
@echo " $(rel-files)"
@echo '# send the ~/announce-$(my_distdir) e-mail'
@echo =====================================