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coreutils/bootstrap.conf
Paul Eggert 2199c9003e du,ls: don’t modify getenv strings
Fix du and ls to conform to the POSIX getenv spec,
which says you can’t modify strings returned by getenv
unless you put the string there directly, or used putenv.
This portability bug was found by strict C23 checking
using qualifier-generic functions.
* bootstrap.conf (gnulib_modules): Add xmemdup0.  Sort.
* src/du.c (main):
* src/ls.c (decode_switches):
Don’t modify the string that getenv returns.
Instead, use xmemdup0 if needed, and include xmemdup0.h.
2025-11-23 12:00:09 -08:00

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# Bootstrap configuration. -*- sh -*-
# Copyright (C) 2006-2025 Free Software Foundation, Inc.
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
# We don't need these modules.
avoided_gnulib_modules='
--avoid=canonicalize-lgpl
--avoid=dummy
--avoid=mbuiter
--avoid=mbuiterf
'
# gnulib modules used by this package.
gnulib_modules="
$avoided_gnulib_modules
acl
acl-permissions
alignalloc
alignasof
alloca
announce-gen
areadlink-with-size
areadlinkat-with-size
argmatch
argv-iter
assert
assert-h
assure
attribute
autobuild
backup-rename
backupfile
base32
base64
bool
btoc32
buffer-lcm
c-strcase
c32iscntrl
c32isspace
c32width
canon-host
canonicalize
chmodat
chown
chownat
cl-strtod
cl-strtold
closein
closeout
config-h
configmake
copy-file-range
cpu-supports
crc-x86_64
crypto/md5
crypto/sha1
crypto/sha256
crypto/sha3
crypto/sha512
crypto/sm3
cycle-check
d-ino
d-type
di-set
dirfd
dirname
do-release-commit-and-tag
dtimespec-bound
dtoastr
dup2
endian
environ
error
euidaccess
exclude
exitfail
explicit_bzero
faccessat
fadvise
fchdir
fchmodat
fclose
fcntl
fcntl-safer
fd-reopen
fdatasync
fdopen
fdutimensat
file-has-acl
file-type
fileblocks
filemode
filenamecat
filevercmp
findprog-in
flexmember
fnmatch-gnu
fopen-safer
fprintftime
fpurge
free-posix
freopen
freopen-safer
fseeko
fstatat
fsusage
fsync
ftoastr
ftruncate
fts
full-read
full-write
gethrxtime
getline
getloadavg
getlogin
getndelim2
getopt-gnu
getpagesize
gettext-h
gettime
gettime-res
git-version-gen
gitlog-to-changelog
gnu-web-doc-update
gnumakefile
gnupload
hard-locale
hash
hashcode-file-inode
heap
host-os
human
idcache
idx
ignore-value
inttostr
inttypes-h
isapipe
isatty
isblank
issymlink
issymlinkat
largefile
lchmod
ldtoastr
lib-ignore
libgmp
linebuffer
link
link-follow
linkat
long-options
lstat
maintainer-makefile
malloc-gnu
manywarnings
mbbuf
mbrlen
mbrtoc32
mbrtowc
mbs_endswith
mbschr
mbslen
mbsstr
mbswidth
mbszero
mcel-prefer
memcasecmp
memchr
memcmp2
mempcpy
memrchr
minmax
mkancesdirs
mkdir
mkdir-p
mkdirat
mkfifo
mkfifoat
mknod
mkostemp
mkstemp
mktime
modechange
mountlist
mpsort
nproc
nstrftime
nullptr
obstack
open
openat-safer
parse-datetime
parse-datetime2
pathmax
perl
physmem
pipe-posix
pipe2
posix-shell
posix_spawn
posix_spawn_file_actions_addclose
posix_spawn_file_actions_adddup2
posix_spawn_file_actions_destroy
posix_spawn_file_actions_init
posix_spawnattr_destroy
posix_spawnattr_init
posix_spawnattr_setflags
posix_spawnattr_setsigdefault
posix_spawnp
posixtm
posixver
priv-set
progname
propername-lite
pthread-cond
pthread-mutex
pthread-thread
pthread_sigmask
putenv-gnu
quote
quotearg
randint
randperm
rawmemchr
read-file
readtokens
readtokens0
readutmp
regex
remove
renameat
renameatu
rmdir
root-dev-ino
safe-read
same
save-cwd
savedir
savewd
select
selinux-at
setenv
settime
sig2str
sigaction
skipchars
smack
ssize_t
stat-macros
stat-size
stat-time
stdc_leading_zeros
stdc_trailing_zeros
stdckdint-h
stdcountof-h
stddef-h
stdlib-safer
stpcpy
str_endswith
strdup-posix
stringeq
strnlen
strnumcmp
strsignal
strtoimax
strtoumax
symlinkat
sys_ioctl-h
sys_resource-h
sys_stat-h
sys_types-h
sys_wait-h
targetdir
tempname
termios-h
time_rz
timer-time
timespec
tmpdir
uname
unicodeio
unistd-safer
unlink-busy
unlinkat
unlinkdir
unlocked-io
unsetenv
update-copyright
useless-if-before-free
userspec
utimecmp
utimens
utimensat
vasprintf-posix
vc-list-files
verify
verror
version-etc-fsf
winsz-ioctl
winsz-termios
write-any-file
xalignalloc
xalloc
xbinary-io
xdectoint
xfts
xgetcwd
xgetgroups
xgethostname
xmemcoll
xmemdup0
xnanosleep
xprintf
xprintf-posix
xreadlink
xsetenv
xstrtod
xstrtoimax
xstrtol
xstrtol-error
xstrtold
xstrtoumax
xvasprintf
year2038-recommended
yesno
"
# Other locale categories that need message catalogs.
EXTRA_LOCALE_CATEGORIES=LC_TIME
# Additional xgettext options to use. Use "\\\newline" to break lines.
XGETTEXT_OPTIONS=$XGETTEXT_OPTIONS'\\\
--flag=asnprintf:3:c-format\\\
--flag=asprintf:2:c-format\\\
--flag=error:3:c-format\\\
--flag=error_at_line:5:c-format\\\
--flag=vasnprintf:3:c-format\\\
--flag=vasprintf:2:c-format\\\
--flag=verror:3:c-format\\\
--flag=verror_at_line:5:c-format\\\
--flag=wrapf:1:c-format\\\
--flag=xasprintf:1:c-format\\\
--flag=xfprintf:2:c-format\\\
--flag=xprintf:1:c-format\\\
--from-code=UTF-8\\\
'
# Append these, since we use the propername-lite module.
see_manual='"This is a proper name. See the gettext manual, section Names."'
see_manual=\'"$see_manual"\'
XGETTEXT_OPTIONS=$XGETTEXT_OPTIONS'\\\
--keyword=proper_name:1,'"$see_manual"'\\\
--keyword=proper_name_lite:1,'"$see_manual"'\\\
'
gnulib_tool_option_extras="--tests-base=gnulib-tests --with-tests --symlink\
--makefile-name=gnulib.mk --automake-subdir
"
# Build prerequisites
buildreq="\
autoconf 2.64
automake 1.11.2
autopoint 0.19.2
bison -
gettext 0.19.2
git 1.5.5
gperf -
gzip -
m4 -
makeinfo 6.1
texi2pdf 6.1
patch -
perl 5.5
tar -
wget -
xz -
"
bootstrap_post_import_hook ()
{
# Automake requires that ChangeLog exist.
touch ChangeLog || return 1
# List of coreutils programs. See heading comments in the invoked
# script for more info. Keep this in sync with the rules in
(m4f=m4/cu-progs.m4 mkf=src/cu-progs.mk tmp=cu-progs.tmp \
&& rm -f $m4f $mkf $tmp-1 $tmp-2 \
&& build-aux/gen-lists-of-programs.sh --autoconf >$tmp-1 \
&& build-aux/gen-lists-of-programs.sh --automake >$tmp-2 \
&& chmod a-w $tmp-1 $tmp-2 \
&& mv -f $tmp-1 $m4f && mv -f $tmp-2 $mkf)
# If "AM_GNU_GETTEXT(external" or "AM_GNU_GETTEXT([external]" appears
# in configure.ac, remove a file unnecessarily imported by autopoint.
if grep '^[ ]*AM_GNU_GETTEXT(\[*external]*[,)]' \
configure.ac >/dev/null 2>&1; then
rm -f m4/longlong.m4
fi
# Regenerate src/single-binary.mk
(mkf=src/single-binary.mk tmp=single-binary.tmp \
&& rm -f $mkf $tmp \
&& build-aux/gen-single-binary.sh src/local.mk >$tmp \
&& chmod a-w $tmp \
&& mv -f $tmp $mkf)
# Copy tests/init.sh from Gnulib.
$gnulib_tool --copy-file tests/init.sh
}
bootstrap_epilogue()
{
# Since this is a "GNU" package, replace this line
# if LC_ALL=C grep 'GNU @PACKAGE@' $(top_srcdir)/* 2>/dev/null \
# | grep -v 'libtool:' >/dev/null; then
# with this:
# if true; then
# Why? That pipeline searches all files in $(top_srcdir), and if you
# happen to have large files (or apparently large sparse files), the
# first grep may well run out of memory.
perl -pi -e 's/if LC_ALL=C grep .GNU .PACKAGE.*; then/if true; then/' \
po/Makefile.in.in
# Add dummy 'install-html' target, required for packages using
# non-recursive makefiles with older gettext.
# See https://bugs.gnu.org/25690
if ! grep -w 'install-html' po/Makefile.in.in ; then
printf 'install-%s:;\n' dvi ps pdf html >> po/Makefile.in.in
fi
# Install our git hooks, as long as "cp" accepts the --backup option,
# so that we can back up any existing files.
case $(cp --help) in *--backup*) backup=1;; *) backup=0;; esac
if test $backup = 1; then
hooks=$(cd scripts/git-hooks && git ls-files)
for f in $hooks; do
# If it is identical, skip it.
cmp scripts/git-hooks/$f .git/hooks/$f > /dev/null \
&& continue
cp --backup=numbered scripts/git-hooks/$f .git/hooks
chmod a-w .git/hooks/$f
done
fi
}