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# GNU Makefile for gnulib central.
# Copyright (C) 2006, 2009-2021 Free Software Foundation, Inc.
#
# Copying and distribution of this file, with or without modification,
# in any medium, are permitted without royalty provided the copyright
# notice and this notice are preserved.
# This Makefile requires the use of GNU make. Some targets require
# that you have tools like git, makeinfo and cppi installed.
# Required for the use of <(...) below.
SHELL=bash
# Produce some files that are not stored in the repository.
all:
# Produce the documentation in readable form.
info html dvi pdf:
cd doc && $(MAKE) $@ && $(MAKE) mostlyclean
# Collect the names of rules starting with 'sc_'.
syntax-check-rules := $(sort $(shell sed -n 's/^\(sc_[a-zA-Z0-9_-]*\):.*/\1/p'\
Makefile))
# Perform some platform independent checks on the gnulib code.
check: $(syntax-check-rules)
sc_prefer_ac_check_funcs_once:
@if test -d .git; then \
git grep -w -l AC_CHECK_FUNCS modules \
&& { echo use AC_CHECK_FUNCS_ONCE, not AC_CHECK_FUNCS \
in modules/ 1>&2; exit 1; } || : \
else :; fi
sc_prohibit_leading_TABs:
@if test -d .git; then \
git grep -l '^ * ' lib m4 tests \
| grep -Ev '^lib/reg|Makefile|test-update-copyright' \
| grep . \
&& { printf '*** %s\n' 'indent with spaces, not TABs;' \
1>&2; exit 1; } || : \
else :; fi
sc_prohibit_augmenting_PATH_via_TESTS_ENVIRONMENT:
@if test -d .git; then \
url=https://lists.gnu.org/r/bug-gnulib/2010-09/msg00064.html; \
git grep '^[ ]*TESTS_ENVIRONMENT += PATH=' modules \
&& { printf '%s\n' 'Do not augment PATH via TESTS_ENVIRONMENT;' \
" see <$$url>" 1>&2; exit 1; } || : \
else :; fi
# It's easy to forget the noise-suppressing "@" at the beginning
# of each sc_ rule. Check for it both in maint.mk and in this file.
sc_prohibit_sc_omitted_at:
@if test -d .git; then \
git grep -n -A1 '^sc_[[:alnum:]_-]*:' top/maint.mk Makefile \
| grep -vE ':sc_|[0-9][-] @|--$$' \
| sed 's/-\([0-9][0-9]*\)-/:\1:/' \
| grep . \
&& { printf '*** %s\n' 'oops; missing "@"' \
1>&2; exit 1; } || : \
else :; fi
# Run all maint.mk syntax-check tests on gnulib's sources.
sc_maint:
@rm -f maint.mk; ln -s top/maint.mk maint.mk
$(MAKE) -s srcdir=. gnulib_dir=. _build-aux=build-aux \
-f cfg.mk -f maint.mk syntax-check
rm -f maint.mk
# Files in m4/ that (exceptionally) may use AC_LIBOBJ.
# Do not include their ".m4" suffix.
allow_AC_LIBOBJ = \
close \
dprintf \
dup2 \
faccessat \
fchdir \
fclose \
fcntl \
fprintf-posix \
open \
printf-posix-rpl \
snprintf \
sprintf-posix \
stdio_h \
vasnprintf \
vasprintf \
vdprintf \
vfprintf-posix \
vprintf-posix \
vsnprintf \
vsprintf-posix
allow_AC_LIBOBJ_or := $(shell echo $(allow_AC_LIBOBJ) | tr -s ' ' '|')
sc_prohibit_AC_LIBOBJ_in_m4:
@url=https://lists.gnu.org/r/bug-gnulib/2011-06/msg00051.html; \
if test -d .git; then \
git ls-files m4 \
| grep -Ev '^m4/($(allow_AC_LIBOBJ_or))\.m4$$' \
| xargs grep '^ *AC_LIBOBJ(' \
&& { printf '%s\n' 'Do not use AC_LIBOBJ in m4/*.m4;' \
"see <$$url>"; exit 1; } || :; \
else :; fi
sc_pragma_columns:
@if test -d .git; then \
git ls-files|grep '\.in\.h$$' \
| xargs grep -l '^@PRAGMA_SYSTEM_HEADER@' \
| xargs grep -L '^@PRAGMA_COLUMNS@' \
| grep . \
&& { printf '%s\n' \
'the files listed above use @PRAGMA_SYSTEM_HEADER@' \
'without also using @PRAGMA_COLUMNS@' 1>&2; \
exit 1; } || :; \
else :; fi
# Verify that certain (for now, only Jim Meyering and Eric Blake's)
# *.c files are consistently cpp indented.
sc_cpp_indent_check:
@./gnulib-tool --extract-filelist \
$$(cd ./modules; grep -ilrE '(meyering|blake)' .) \
| sort -u \
| grep '\.c$$' \
| grep -vE '/(stdio-(read|write)|getloadavg)\.c$$' \
| xargs cppi -c
# Ensure that the list of symbols checked for by the
# sc_prohibit_intprops_without_use rule match those in the actual file.
# Extract the symbols from the .h file and compare with the list of
# symbols extracted from the rule in maint.mk.
sc_check_sym_list:
@i=lib/intprops.h; \
diff -u <(perl -lne '/^# *define ([A-Z]\w+)\(/ and print $$1' $$i|fmt) \
<(sed -n /^_intprops_name/,/^_intprops_syms_re/p top/maint.mk \
|sed '/^_/d;s/^ //;s/ *\\$$//')
# Ensure that the copyright statements in files and in the module descriptions
# are consistent.
sc_check_copyright:
@./check-copyright
# Regenerate some files that are stored in the repository.
regen: MODULES.html
# MODULES.html is periodically being generated and copied to the web pages at
# :ext:USER@cvs.savannah.gnu.org:/web/gnulib/gnulib/
# where it then appears at <https://www.gnu.org/software/gnulib/MODULES.html>.
MODULES.html: MODULES.html.sh
./MODULES.html.sh > MODULES.html
# A perl BEGIN block to set Y to the current year number and W to Y-1.
_year_and_prev = BEGIN{@t=localtime(time); $$y=$$t[5]+1900; $$w=$$y-1}
# Run this rule once per year (usually early in January)
# to update all FSF copyright year lists here.
# We exclude the files listed in srclist.txt (maintained elsewhere)
# as well as those in tests/unictype (generated).
# Also exclude any file that includes the "GENERATED AUTOMATICALLY" comment,
# being careful not to exclude code that merely generates the comment.
# Also exclude doc/INSTALL*, since they too are generated.
# Also adjust template-style files that must start with a single
# (the current) year number in some places.
# Also adjust version-etc.c and and gendocs.sh.
update-copyright:
exempt=$$(mktemp); \
grep -v '^#' config/srclist.txt|grep -v '^$$' \
| while read top src dst options; do \
test -f "$$dst" && { echo "$$dst"; continue; }; \
test -d "$$dst" || continue; \
echo "$$dst"/$$(basename "$$src"); \
done > $$exempt; \
git ls-files tests/unictype >> $$exempt; \
git ls-files doc/INSTALL* >> $$exempt; \
git ls-files | grep -vFf $$exempt \
| xargs grep -L '^/\*.*GENERATED AUTOMATICALLY' \
| UPDATE_COPYRIGHT_MAX_LINE_LENGTH=79 \
UPDATE_COPYRIGHT_USE_INTERVALS=1 \
xargs build-aux/update-copyright
perl -pi -e '$(_year_and_prev) s/(copyright.*)\b$$w\b/$$1$$y/i' \
lib/version-etc.c doc/gnulib.texi build-aux/gendocs.sh
perl -pi -e '$(_year_and_prev) s/ $$w-$$y / $$y /g' \
doc/gendocs_template* build-aux/gendocs.sh
perl -pi -e \
'$(_year_and_prev) s/^(scriptversion=)$$w.*/$$1$$y-01-01.00/i' \
build-aux/gendocs.sh
|
