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-rw-r--r--ChangeLog122
-rw-r--r--doc/gnulib-intro.texi2
-rw-r--r--doc/gnulib-readme.texi9
-rw-r--r--doc/intprops.texi3
-rw-r--r--doc/posix-headers/stdbool.texi2
-rw-r--r--lib/acl-internal.h1
-rw-r--r--lib/acl.h1
-rw-r--r--lib/argmatch.c1
-rw-r--r--lib/argmatch.h1
-rw-r--r--lib/argp-help.c1
-rw-r--r--lib/argv-iter.h1
-rw-r--r--lib/asyncsafe-spin.c2
-rw-r--r--lib/backup-internal.h1
-rw-r--r--lib/backupfile.c1
-rw-r--r--lib/base32.h3
-rw-r--r--lib/base64.h3
-rw-r--r--lib/basename-lgpl.c1
-rw-r--r--lib/bitset/base.h1
-rw-r--r--lib/c-ctype.h2
-rw-r--r--lib/c-strcasestr.c1
-rw-r--r--lib/canonicalize-lgpl.c1
-rw-r--r--lib/canonicalize.c1
-rw-r--r--lib/chdir-long.c1
-rw-r--r--lib/chown.c1
-rw-r--r--lib/classpath.h2
-rw-r--r--lib/clean-temp-private.h1
-rw-r--r--lib/clean-temp-simple.c1
-rw-r--r--lib/clean-temp-simple.h2
-rw-r--r--lib/clean-temp.c1
-rw-r--r--lib/clean-temp.h1
-rw-r--r--lib/cloexec.h2
-rw-r--r--lib/close-stream.c1
-rw-r--r--lib/closein.c1
-rw-r--r--lib/closeout.c1
-rw-r--r--lib/closeout.h2
-rw-r--r--lib/csharpcomp.h2
-rw-r--r--lib/csharpexec.h2
-rw-r--r--lib/cycle-check.c1
-rw-r--r--lib/cycle-check.h1
-rw-r--r--lib/des.h1
-rw-r--r--lib/dfa.h1
-rw-r--r--lib/diffseq.h1
-rw-r--r--lib/dirname.h1
-rw-r--r--lib/exclude.c2
-rw-r--r--lib/exclude.h1
-rw-r--r--lib/execute.c1
-rw-r--r--lib/execute.h2
-rw-r--r--lib/execvpe.c1
-rw-r--r--lib/fatal-signal.c1
-rw-r--r--lib/fchdir.c1
-rw-r--r--lib/file-set.h1
-rw-r--r--lib/filevercmp.c1
-rw-r--r--lib/findprog-in.c1
-rw-r--r--lib/findprog.c1
-rw-r--r--lib/findprog.h2
-rw-r--r--lib/fma.c1
-rw-r--r--lib/fnmatch.c1
-rw-r--r--lib/fopen.c1
-rw-r--r--lib/freadable.h1
-rw-r--r--lib/freading.h1
-rw-r--r--lib/freopen-safer.c1
-rw-r--r--lib/fstrcmp.c1
-rw-r--r--lib/fsusage.h1
-rw-r--r--lib/fts.c1
-rw-r--r--lib/fwritable.h1
-rw-r--r--lib/fwriteerror.c1
-rw-r--r--lib/fwriting.h1
-rw-r--r--lib/gen-uni-tables.c1
-rw-r--r--lib/getaddrinfo.c2
-rw-r--r--lib/getcwd.c1
-rw-r--r--lib/getloadavg.c1
-rw-r--r--lib/getndelim2.c1
-rw-r--r--lib/getpass.c2
-rw-r--r--lib/getrandom.c1
-rw-r--r--lib/git-merge-changelog.c1
-rw-r--r--lib/gl_list.h1
-rw-r--r--lib/gl_map.h1
-rw-r--r--lib/gl_omap.h1
-rw-r--r--lib/gl_oset.h1
-rw-r--r--lib/gl_set.h1
-rw-r--r--lib/glob.c1
-rw-r--r--lib/glthread/cond.h1
-rw-r--r--lib/hamt.h1
-rw-r--r--lib/hard-locale.h2
-rw-r--r--lib/hash-triple.h1
-rw-r--r--lib/hash.h1
-rw-r--r--lib/human.h1
-rw-r--r--lib/i-ring.h1
-rw-r--r--lib/isapipe.c1
-rw-r--r--lib/javacomp.h2
-rw-r--r--lib/javaexec.h2
-rw-r--r--lib/javaversion.c1
-rw-r--r--lib/lchown.c1
-rw-r--r--lib/localeinfo.h1
-rw-r--r--lib/localename.c1
-rw-r--r--lib/long-options.h2
-rw-r--r--lib/malloc/dynarray.h1
-rw-r--r--lib/mbchar.h1
-rw-r--r--lib/mbfile.h1
-rw-r--r--lib/mbiter.h1
-rw-r--r--lib/mbmemcasecoll.h1
-rw-r--r--lib/mbscasestr.c1
-rw-r--r--lib/mbsstr.c1
-rw-r--r--lib/mbuiter.h1
-rw-r--r--lib/mkdir-p.h1
-rw-r--r--lib/modechange.h1
-rw-r--r--lib/mountlist.h1
-rw-r--r--lib/nanosleep.c1
-rw-r--r--lib/nonblocking.h2
-rw-r--r--lib/nstrftime.c1
-rw-r--r--lib/openat.c1
-rw-r--r--lib/openat.h1
-rw-r--r--lib/os2-spawn.c1
-rw-r--r--lib/parse-datetime.h1
-rw-r--r--lib/pipe-filter-aux.c1
-rw-r--r--lib/pipe-filter-gi.c1
-rw-r--r--lib/pipe-filter-ii.c1
-rw-r--r--lib/pipe-filter.h2
-rw-r--r--lib/posixtm.h1
-rw-r--r--lib/priv-set.c1
-rw-r--r--lib/progreloc.c1
-rw-r--r--lib/propername.c1
-rw-r--r--lib/pthread-spin.c2
-rw-r--r--lib/quotearg.c1
-rw-r--r--lib/readtokens.c1
-rw-r--r--lib/readtokens0.h1
-rw-r--r--lib/readutmp.c1
-rw-r--r--lib/regex-quote.h2
-rw-r--r--lib/regex_internal.h1
-rw-r--r--lib/relocwrapper.c2
-rw-r--r--lib/rename.c1
-rw-r--r--lib/renameatu.c1
-rw-r--r--lib/rpmatch.c1
-rw-r--r--lib/same.c1
-rw-r--r--lib/same.h2
-rw-r--r--lib/save-cwd.c1
-rw-r--r--lib/savewd.c1
-rw-r--r--lib/savewd.h1
-rw-r--r--lib/spawn-pipe.h2
-rw-r--r--lib/spawni.c1
-rw-r--r--lib/stack.h1
-rw-r--r--lib/stat.c1
-rw-r--r--lib/stdckdint.in.h2
-rw-r--r--lib/strcasestr.c1
-rw-r--r--lib/strfmon_l.c1
-rw-r--r--lib/striconveh.c1
-rw-r--r--lib/striconveha.h1
-rw-r--r--lib/string-buffer.h1
-rw-r--r--lib/strptime.c2
-rw-r--r--lib/strstr.c2
-rw-r--r--lib/strtod.c1
-rw-r--r--lib/supersede.h1
-rw-r--r--lib/system-quote.c1
-rw-r--r--lib/tempname.c1
-rw-r--r--lib/term-style-control.c1
-rw-r--r--lib/term-style-control.h2
-rw-r--r--lib/textstyle.in.h1
-rw-r--r--lib/time_rz.c1
-rw-r--r--lib/tmpdir.c1
-rw-r--r--lib/tmpdir.h1
-rw-r--r--lib/tmpfile.c1
-rw-r--r--lib/unicase.in.h3
-rw-r--r--lib/unicase/caseprop.h1
-rw-r--r--lib/unicase/invariant.h1
-rw-r--r--lib/unicase/u16-casemap.c1
-rw-r--r--lib/unicase/u16-ct-totitle.c1
-rw-r--r--lib/unicase/u16-is-invariant.c1
-rw-r--r--lib/unicase/u32-casemap.c1
-rw-r--r--lib/unicase/u32-ct-totitle.c1
-rw-r--r--lib/unicase/u32-is-invariant.c1
-rw-r--r--lib/unicase/u8-casemap.c1
-rw-r--r--lib/unicase/u8-ct-totitle.c1
-rw-r--r--lib/unicase/u8-is-invariant.c1
-rw-r--r--lib/unictype.in.h3
-rw-r--r--lib/unigbrk.in.h3
-rw-r--r--lib/unigbrk/u16-grapheme-breaks.c1
-rw-r--r--lib/unigbrk/u32-grapheme-breaks.c1
-rw-r--r--lib/unigbrk/u8-grapheme-breaks.c1
-rw-r--r--lib/unigbrk/uc-grapheme-breaks.c1
-rw-r--r--lib/uniname/uniname.c1
-rw-r--r--lib/unistr.in.h3
-rw-r--r--lib/unlinkdir.h2
-rw-r--r--lib/userspec.h1
-rw-r--r--lib/utime.c1
-rw-r--r--lib/utimecmp.c1
-rw-r--r--lib/utimens.c1
-rw-r--r--lib/wait-process.h2
-rw-r--r--lib/windows-cond.c1
-rw-r--r--lib/windows-spawn.c1
-rw-r--r--lib/windows-spawn.h1
-rw-r--r--lib/windows-timedrwlock.c1
-rw-r--r--lib/write-any-file.h2
-rw-r--r--lib/xbinary-io.c1
-rw-r--r--lib/xstrtod.h2
-rw-r--r--lib/yesno.h2
-rw-r--r--modules/acl1
-rw-r--r--modules/argp1
-rw-r--r--modules/bitset1
-rw-r--r--modules/diffseq1
-rw-r--r--modules/file-has-acl1
-rw-r--r--modules/gen-uni-tables1
-rw-r--r--modules/getrandom1
-rw-r--r--modules/hash-triple-simple1
-rw-r--r--modules/posix_spawn-internal1
-rw-r--r--modules/strcasestr1
-rw-r--r--modules/supersede1
-rw-r--r--modules/system-quote1
-rw-r--r--modules/uniconv/base1
-rw-r--r--modules/uniname/uniname1
-rw-r--r--modules/utime1
-rw-r--r--modules/windows-timedrwlock1
-rw-r--r--modules/xgetcwd1
-rw-r--r--tests/nap.h1
-rw-r--r--tests/qemu.h1
-rw-r--r--tests/test-areadlink-with-size.c1
-rw-r--r--tests/test-areadlink.c1
-rw-r--r--tests/test-areadlinkat-with-size.c1
-rw-r--r--tests/test-areadlinkat.c1
-rw-r--r--tests/test-base32.c1
-rw-r--r--tests/test-base64.c1
-rw-r--r--tests/test-ceil2.c1
-rw-r--r--tests/test-ceilf2.c1
-rw-r--r--tests/test-chown.c1
-rw-r--r--tests/test-dirname.c1
-rw-r--r--tests/test-dup-safer.c1
-rw-r--r--tests/test-dup3.c1
-rw-r--r--tests/test-exclude.c1
-rw-r--r--tests/test-execute-child.c1
-rw-r--r--tests/test-execute-main.c1
-rw-r--r--tests/test-execute-script.c1
-rw-r--r--tests/test-explicit_bzero.c1
-rw-r--r--tests/test-fchownat.c1
-rw-r--r--tests/test-fcntl-safer.c1
-rw-r--r--tests/test-fcntl.c1
-rw-r--r--tests/test-fdutimensat.c1
-rw-r--r--tests/test-filenamecat.c1
-rw-r--r--tests/test-floor2.c1
-rw-r--r--tests/test-floorf2.c1
-rw-r--r--tests/test-fstatat.c1
-rw-r--r--tests/test-fstrcmp.c1
-rw-r--r--tests/test-futimens.c1
-rw-r--r--tests/test-getlogin.h1
-rw-r--r--tests/test-getopt.h1
-rw-r--r--tests/test-hard-locale.c1
-rw-r--r--tests/test-hash.c1
-rw-r--r--tests/test-idpriv-drop.c1
-rw-r--r--tests/test-idpriv-droptemp.c1
-rw-r--r--tests/test-immutable.c1
-rw-r--r--tests/test-intprops.c1
-rw-r--r--tests/test-lchown.c1
-rw-r--r--tests/test-link.c1
-rw-r--r--tests/test-linkat.c1
-rw-r--r--tests/test-lstat.c1
-rw-r--r--tests/test-mbmemcasecmp.c1
-rw-r--r--tests/test-mbmemcasecoll.c1
-rw-r--r--tests/test-mkdir.c1
-rw-r--r--tests/test-mkdirat.c1
-rw-r--r--tests/test-mkfifo.c1
-rw-r--r--tests/test-mkfifoat.c1
-rw-r--r--tests/test-mknod.c1
-rw-r--r--tests/test-nonblocking-pipe-child.c1
-rw-r--r--tests/test-nonblocking-pipe-main.c1
-rw-r--r--tests/test-nonblocking-socket-child.c1
-rw-r--r--tests/test-nonblocking-socket-main.c1
-rw-r--r--tests/test-open.c1
-rw-r--r--tests/test-openat.c1
-rw-r--r--tests/test-pipe.c1
-rw-r--r--tests/test-pipe2.c1
-rw-r--r--tests/test-poll.c1
-rw-r--r--tests/test-posix_spawn-chdir.c1
-rw-r--r--tests/test-posix_spawn-dup2-stdin.c1
-rw-r--r--tests/test-posix_spawn-dup2-stdout.c1
-rw-r--r--tests/test-posix_spawn-fchdir.c1
-rw-r--r--tests/test-posix_spawn-open1.c1
-rw-r--r--tests/test-posix_spawn-open2.c1
-rw-r--r--tests/test-quotearg-simple.c1
-rw-r--r--tests/test-quotearg.c1
-rw-r--r--tests/test-readlink.c1
-rw-r--r--tests/test-readlinkat.c1
-rw-r--r--tests/test-readtokens.c1
-rw-r--r--tests/test-rename.c1
-rw-r--r--tests/test-renameat.c1
-rw-r--r--tests/test-renameatu.c1
-rw-r--r--tests/test-rmdir.c1
-rw-r--r--tests/test-round2.c1
-rw-r--r--tests/test-select.h1
-rw-r--r--tests/test-spawn-pipe-child.c1
-rw-r--r--tests/test-spawn-pipe-main.c1
-rw-r--r--tests/test-spawn-pipe-script.c1
-rw-r--r--tests/test-stack.c1
-rw-r--r--tests/test-stat.c1
-rw-r--r--tests/test-supersede.c1
-rw-r--r--tests/test-symlink.c1
-rw-r--r--tests/test-symlinkat.c1
-rw-r--r--tests/test-system-quote-main.c1
-rw-r--r--tests/test-term-style-control-hello.c1
-rw-r--r--tests/test-term-style-control-yes.c1
-rw-r--r--tests/test-timespec.c1
-rw-r--r--tests/test-trunc2.c1
-rw-r--r--tests/test-truncf2.c1
-rw-r--r--tests/test-unlink.c1
-rw-r--r--tests/test-unlinkat.c1
-rw-r--r--tests/test-userspec.c1
-rw-r--r--tests/test-utime.c1
-rw-r--r--tests/test-utimens.c1
-rw-r--r--tests/test-utimensat.c1
-rw-r--r--tests/unictype/test-categ_byname.c1
-rw-r--r--tests/unigbrk/test-uc-is-grapheme-break.c1
308 files changed, 149 insertions, 337 deletions
diff --git a/ChangeLog b/ChangeLog
index 98ba79f6c1..cb60228ec3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,127 @@
2022-09-10 Paul Eggert <eggert@cs.ucla.edu>
+ Rely on new stdbool behavior
+ Prefer the C23 style to the C99 style,
+ since the stdbool module now supports C23.
+ * lib/acl-internal.h, lib/acl.h, lib/argmatch.c, lib/argmatch.h:
+ * lib/argp-help.c, lib/argv-iter.h, lib/asyncsafe-spin.c:
+ * lib/backup-internal.h, lib/backupfile.c, lib/base32.h:
+ * lib/base64.h, lib/basename-lgpl.c, lib/bitset/base.h:
+ * lib/c-ctype.h, lib/c-strcasestr.c, lib/canonicalize-lgpl.c:
+ * lib/canonicalize.c, lib/chdir-long.c, lib/chown.c:
+ * lib/classpath.h, lib/clean-temp-private.h:
+ * lib/clean-temp-simple.c, lib/clean-temp-simple.h:
+ * lib/clean-temp.c, lib/clean-temp.h, lib/cloexec.h:
+ * lib/close-stream.c, lib/closein.c, lib/closeout.c, lib/closeout.h:
+ * lib/csharpcomp.h, lib/csharpexec.h, lib/cycle-check.c:
+ * lib/cycle-check.h, lib/des.h, lib/dfa.h, lib/diffseq.h:
+ * lib/dirname.h, lib/exclude.c, lib/exclude.h, lib/execute.c:
+ * lib/execute.h, lib/execvpe.c, lib/fatal-signal.c, lib/fchdir.c:
+ * lib/file-set.h, lib/filevercmp.c, lib/findprog-in.c:
+ * lib/findprog.c, lib/findprog.h, lib/fma.c, lib/fnmatch.c:
+ * lib/fopen.c, lib/freadable.h, lib/freading.h, lib/freopen-safer.c:
+ * lib/fstrcmp.c, lib/fsusage.h, lib/fts.c, lib/fwritable.h:
+ * lib/fwriteerror.c, lib/fwriting.h, lib/gen-uni-tables.c:
+ * lib/getaddrinfo.c, lib/getcwd.c, lib/getloadavg.c:
+ * lib/getndelim2.c, lib/getpass.c, lib/getrandom.c:
+ * lib/git-merge-changelog.c, lib/gl_list.h, lib/gl_map.h:
+ * lib/gl_omap.h, lib/gl_oset.h, lib/gl_set.h, lib/glob.c:
+ * lib/glthread/cond.h, lib/hamt.h, lib/hard-locale.h:
+ * lib/hash-triple.h, lib/hash.h, lib/human.h, lib/i-ring.h:
+ * lib/isapipe.c, lib/javacomp.h, lib/javaexec.h, lib/javaversion.c:
+ * lib/lchown.c, lib/localeinfo.h, lib/localename.c:
+ * lib/long-options.h, lib/malloc/dynarray.h, lib/mbchar.h:
+ * lib/mbfile.h, lib/mbiter.h, lib/mbmemcasecoll.h, lib/mbscasestr.c:
+ * lib/mbsstr.c, lib/mbuiter.h, lib/mkdir-p.h, lib/modechange.h:
+ * lib/mountlist.h, lib/nanosleep.c, lib/nonblocking.h:
+ * lib/nstrftime.c, lib/openat.c, lib/openat.h, lib/os2-spawn.c:
+ * lib/parse-datetime.h, lib/pipe-filter-aux.c, lib/pipe-filter-gi.c:
+ * lib/pipe-filter-ii.c, lib/pipe-filter.h, lib/posixtm.h:
+ * lib/priv-set.c, lib/progreloc.c, lib/propername.c:
+ * lib/pthread-spin.c, lib/quotearg.c, lib/readtokens.c:
+ * lib/readtokens0.h, lib/readutmp.c, lib/regex-quote.h:
+ * lib/regex_internal.h, lib/relocwrapper.c, lib/rename.c:
+ * lib/renameatu.c, lib/rpmatch.c, lib/same.c, lib/same.h:
+ * lib/save-cwd.c, lib/savewd.c, lib/savewd.h, lib/spawn-pipe.h:
+ * lib/spawni.c, lib/stack.h, lib/stat.c, lib/stdckdint.in.h:
+ * lib/strcasestr.c, lib/strfmon_l.c, lib/striconveh.c:
+ * lib/striconveha.h, lib/string-buffer.h, lib/strptime.c:
+ * lib/strstr.c, lib/strtod.c, lib/supersede.h, lib/system-quote.c:
+ * lib/tempname.c, lib/term-style-control.c:
+ * lib/term-style-control.h, lib/textstyle.in.h, lib/time_rz.c:
+ * lib/tmpdir.c, lib/tmpdir.h, lib/tmpfile.c, lib/unicase.in.h:
+ * lib/unicase/caseprop.h, lib/unicase/invariant.h:
+ * lib/unicase/u16-casemap.c, lib/unicase/u16-ct-totitle.c:
+ * lib/unicase/u16-is-invariant.c, lib/unicase/u32-casemap.c:
+ * lib/unicase/u32-ct-totitle.c, lib/unicase/u32-is-invariant.c:
+ * lib/unicase/u8-casemap.c, lib/unicase/u8-ct-totitle.c:
+ * lib/unicase/u8-is-invariant.c, lib/unictype.in.h:
+ * lib/unigbrk.in.h, lib/unigbrk/u16-grapheme-breaks.c:
+ * lib/unigbrk/u32-grapheme-breaks.c:
+ * lib/unigbrk/u8-grapheme-breaks.c:
+ * lib/unigbrk/uc-grapheme-breaks.c, lib/uniname/uniname.c:
+ * lib/unistr.in.h, lib/unlinkdir.h, lib/userspec.h, lib/utime.c:
+ * lib/utimecmp.c, lib/utimens.c, lib/wait-process.h:
+ * lib/windows-cond.c, lib/windows-spawn.c, lib/windows-spawn.h:
+ * lib/windows-timedrwlock.c, lib/write-any-file.h, lib/xbinary-io.c:
+ * lib/xstrtod.h, lib/yesno.h:
+ * tests/nap.h, tests/qemu.h, tests/test-areadlink-with-size.c:
+ * tests/test-areadlink.c, tests/test-areadlinkat-with-size.c:
+ * tests/test-areadlinkat.c, tests/test-base32.c:
+ * tests/test-base64.c, tests/test-ceil2.c, tests/test-ceilf2.c:
+ * tests/test-chown.c, tests/test-dirname.c, tests/test-dup-safer.c:
+ * tests/test-dup3.c, tests/test-exclude.c:
+ * tests/test-execute-child.c, tests/test-execute-main.c:
+ * tests/test-execute-script.c, tests/test-explicit_bzero.c:
+ * tests/test-fchownat.c, tests/test-fcntl-safer.c:
+ * tests/test-fcntl.c, tests/test-fdutimensat.c:
+ * tests/test-filenamecat.c, tests/test-floor2.c:
+ * tests/test-floorf2.c, tests/test-fstatat.c, tests/test-fstrcmp.c:
+ * tests/test-futimens.c, tests/test-getlogin.h, tests/test-getopt.h:
+ * tests/test-hard-locale.c, tests/test-hash.c:
+ * tests/test-idpriv-drop.c, tests/test-idpriv-droptemp.c:
+ * tests/test-immutable.c, tests/test-intprops.c:
+ * tests/test-lchown.c, tests/test-link.c, tests/test-linkat.c:
+ * tests/test-lstat.c, tests/test-mbmemcasecmp.c:
+ * tests/test-mbmemcasecoll.c, tests/test-mkdir.c:
+ * tests/test-mkdirat.c, tests/test-mkfifo.c, tests/test-mkfifoat.c:
+ * tests/test-mknod.c, tests/test-nonblocking-pipe-child.c:
+ * tests/test-nonblocking-pipe-main.c:
+ * tests/test-nonblocking-socket-child.c:
+ * tests/test-nonblocking-socket-main.c, tests/test-open.c:
+ * tests/test-openat.c, tests/test-pipe.c, tests/test-pipe2.c:
+ * tests/test-poll.c, tests/test-posix_spawn-chdir.c:
+ * tests/test-posix_spawn-dup2-stdin.c:
+ * tests/test-posix_spawn-dup2-stdout.c:
+ * tests/test-posix_spawn-fchdir.c, tests/test-posix_spawn-open1.c:
+ * tests/test-posix_spawn-open2.c, tests/test-quotearg-simple.c:
+ * tests/test-quotearg.c, tests/test-readlink.c:
+ * tests/test-readlinkat.c, tests/test-readtokens.c:
+ * tests/test-rename.c, tests/test-renameat.c:
+ * tests/test-renameatu.c, tests/test-rmdir.c, tests/test-round2.c:
+ * tests/test-select.h, tests/test-spawn-pipe-child.c:
+ * tests/test-spawn-pipe-main.c, tests/test-spawn-pipe-script.c:
+ * tests/test-stack.c, tests/test-stat.c, tests/test-supersede.c:
+ * tests/test-symlink.c, tests/test-symlinkat.c:
+ * tests/test-system-quote-main.c:
+ * tests/test-term-style-control-hello.c:
+ * tests/test-term-style-control-yes.c, tests/test-timespec.c:
+ * tests/test-trunc2.c, tests/test-truncf2.c, tests/test-unlink.c:
+ * tests/test-unlinkat.c, tests/test-userspec.c, tests/test-utime.c:
+ * tests/test-utimens.c, tests/test-utimensat.c:
+ * tests/unictype/test-categ_byname.c:
+ * tests/unigbrk/test-uc-is-grapheme-break.c:
+ Don’t include stdbool.h.
+ * modules/acl, modules/xgetcwd:
+ Don’t depend on stdbool, as these modules don’t use bool.
+ * modules/argp, modules/bitset, modules/diffseq, modules/file-has-acl:
+ * modules/gen-uni-tables, modules/getrandom:
+ * modules/hash-triple-simple, modules/posix_spawn-internal:
+ * modules/strcasestr, modules/supersede, modules/system-quote:
+ * modules/uniconv/base, modules/uniname/uniname, modules/utime:
+ * modules/windows-timedrwlock:
+ Depend on stdbool, as these modules use bool.
+
stdbool: upgrade from C99 to C23
Change the stdbool module so that it now emulates C23.
The module now assumes C99. The old module (which assumes
diff --git a/doc/gnulib-intro.texi b/doc/gnulib-intro.texi
index 71634de698..1937909641 100644
--- a/doc/gnulib-intro.texi
+++ b/doc/gnulib-intro.texi
@@ -389,7 +389,7 @@ making use of @code{foo} could end up residing in a shared library, and
the executable program using this library could be defining @code{foo}
itself).
-For header files, such as @code{stdbool.h} or @code{stdint.h}, we provide
+For header files, such as @code{stdint.h}, we provide
the substitute only if the system doesn't provide a correct one. The
template of this replacement is distributed in a slightly different name,
with @samp{.in} inserted before the @samp{.h} extension, so that on
diff --git a/doc/gnulib-readme.texi b/doc/gnulib-readme.texi
index dcbdf2c8dd..3607b6573c 100644
--- a/doc/gnulib-readme.texi
+++ b/doc/gnulib-readme.texi
@@ -324,8 +324,9 @@ platforms, fixes that may be removed in the future.
Because of the freestanding C99 assumption, Gnulib code can include
@code{<float.h>}, @code{<limits.h>}, @code{<stdarg.h>},
-@code{<stdbool.h>}, @code{<stddef.h>}, and @code{<stdint.h>}
-unconditionally. Gnulib code can also assume the existence
+@code{<stddef.h>}, and @code{<stdint.h>}
+unconditionally; @code{<stdbool.h>} is also in the C99 freestanding
+list but is obsolescent as of C23. Gnulib code can also assume the existence
of @code{<ctype.h>}, @code{<errno.h>}, @code{<fcntl.h>},
@code{<locale.h>}, @code{<signal.h>}, @code{<stdio.h>},
@code{<stdlib.h>}, @code{<string.h>}, and @code{<time.h>}. Similarly,
@@ -363,7 +364,9 @@ A declaration after a statement, or as the first clause in a
@code{long long int}.
@item
-@code{<stdbool.h>}, assuming the @code{stdbool} module is used.
+@code{<stdbool.h>}, although Gnulib code no longer uses
+it directly, preferring plain @code{bool} via the
+@code{stdbool} module instead.
@xref{stdbool.h}.
@item
diff --git a/doc/intprops.texi b/doc/intprops.texi
index 2bf36254a5..e11192d97f 100644
--- a/doc/intprops.texi
+++ b/doc/intprops.texi
@@ -61,7 +61,7 @@ but it does not assume that signed integer arithmetic wraps around.
@findex TYPE_IS_INTEGER
@code{TYPE_IS_INTEGER (@var{t})} is an arithmetic constant
expression that is 1 if the arithmetic type @var{t} is an integer type.
-@code{_Bool} counts as an integer type.
+@code{bool} counts as an integer type.
@findex TYPE_SIGNED
@code{TYPE_SIGNED (@var{t})} is an arithmetic constant expression
@@ -140,7 +140,6 @@ values of the integer type @var{t}. These expressions are of the type
Example usage:
@example
-#include <stdbool.h>
#include <sys/types.h>
#include <intprops.h>
bool
diff --git a/doc/posix-headers/stdbool.texi b/doc/posix-headers/stdbool.texi
index d7ba4068fc..3541a5b4ae 100644
--- a/doc/posix-headers/stdbool.texi
+++ b/doc/posix-headers/stdbool.texi
@@ -30,8 +30,10 @@ Portability problems not fixed by Gnulib:
@item
@samp{_Bool} cannot be used before @code{<stdbool.h>} is included, or if
the program is intended to be compiled by a C++ compiler.
+(With the advent of C23, @samp{_Bool} is obsolescent anyway.)
@item
You cannot assume that @code{_Bool} is a typedef; it might be a macro.
+For example, C23 allows @code{_Bool} to be a macro.
@item
Bit-fields of type @samp{bool} are not supported. Portable code
should use @samp{unsigned int foo : 1;} rather than @samp{bool foo : 1;}.
diff --git a/lib/acl-internal.h b/lib/acl-internal.h
index 93533762dd..94553fab25 100644
--- a/lib/acl-internal.h
+++ b/lib/acl-internal.h
@@ -19,7 +19,6 @@
#include "acl.h"
-#include <stdbool.h>
#include <stdlib.h>
/* All systems define the ACL related API in <sys/acl.h>. */
diff --git a/lib/acl.h b/lib/acl.h
index f4d0df8061..0be6ef1cea 100644
--- a/lib/acl.h
+++ b/lib/acl.h
@@ -20,7 +20,6 @@
#ifndef _GL_ACL_H
#define _GL_ACL_H 1
-#include <stdbool.h>
#include <sys/types.h>
#include <sys/stat.h>
diff --git a/lib/argmatch.c b/lib/argmatch.c
index 2a28900a4e..16478de124 100644
--- a/lib/argmatch.c
+++ b/lib/argmatch.c
@@ -24,7 +24,6 @@
/* Specification. */
#include "argmatch.h"
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
diff --git a/lib/argmatch.h b/lib/argmatch.h
index 52f2bb727b..846cff9066 100644
--- a/lib/argmatch.h
+++ b/lib/argmatch.h
@@ -23,7 +23,6 @@
# define ARGMATCH_H_ 1
# include <limits.h>
-# include <stdbool.h>
# include <stddef.h>
# include <stdio.h>
# include <string.h> /* memcmp */
diff --git a/lib/argp-help.c b/lib/argp-help.c
index 39d7168520..9166cc1c93 100644
--- a/lib/argp-help.c
+++ b/lib/argp-help.c
@@ -26,7 +26,6 @@
#include <alloca.h>
#include <errno.h>
-#include <stdbool.h>
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
diff --git a/lib/argv-iter.h b/lib/argv-iter.h
index c6ad11360c..68665be20e 100644
--- a/lib/argv-iter.h
+++ b/lib/argv-iter.h
@@ -15,7 +15,6 @@
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#include <stdio.h>
-#include <stdbool.h>
/* Definition of _GL_ARG_NONNULL. */
#include "arg-nonnull.h"
diff --git a/lib/asyncsafe-spin.c b/lib/asyncsafe-spin.c
index 599cee7195..24705fc8df 100644
--- a/lib/asyncsafe-spin.c
+++ b/lib/asyncsafe-spin.c
@@ -21,12 +21,10 @@
/* Specification. */
#include "asyncsafe-spin.h"
-#include <stdbool.h>
#include <stdlib.h>
#if defined _AIX
# include <sys/atomic_op.h>
#endif
-
#if 0x590 <= __SUNPRO_C && __STDC__
# define asm __asm
#endif
diff --git a/lib/backup-internal.h b/lib/backup-internal.h
index 039c2323cd..ca8d0f2a76 100644
--- a/lib/backup-internal.h
+++ b/lib/backup-internal.h
@@ -16,7 +16,6 @@
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#include "backupfile.h"
-#include <stdbool.h>
#include <stdlib.h>
extern char *backupfile_internal (int, char const *, enum backup_type, bool)
diff --git a/lib/backupfile.c b/lib/backupfile.c
index b2ab67847a..f2ad0eb404 100644
--- a/lib/backupfile.c
+++ b/lib/backupfile.c
@@ -25,7 +25,6 @@
#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
-#include <stdbool.h>
#include <stdckdint.h>
#include <stdint.h>
#include <stdlib.h>
diff --git a/lib/base32.h b/lib/base32.h
index 4145fe7a03..a2abea6825 100644
--- a/lib/base32.h
+++ b/lib/base32.h
@@ -21,9 +21,6 @@
/* Get idx_t. */
# include <idx.h>
-/* Get bool. */
-# include <stdbool.h>
-
/* This uses that the expression (n+(k-1))/k means the smallest
integer >= n/k, i.e., the ceiling of n/k. */
# define BASE32_LENGTH(inlen) ((((inlen) + 4) / 5) * 8)
diff --git a/lib/base64.h b/lib/base64.h
index 6b8b3dc348..c4b2ac07b9 100644
--- a/lib/base64.h
+++ b/lib/base64.h
@@ -21,9 +21,6 @@
/* Get idx_t. */
# include <idx.h>
-/* Get bool. */
-# include <stdbool.h>
-
# ifdef __cplusplus
extern "C" {
# endif
diff --git a/lib/basename-lgpl.c b/lib/basename-lgpl.c
index eb07e25413..f8da1484da 100644
--- a/lib/basename-lgpl.c
+++ b/lib/basename-lgpl.c
@@ -21,7 +21,6 @@
/* Specification. */
#include "basename-lgpl.h"
-#include <stdbool.h>
#include <string.h>
#include "filename.h"
diff --git a/lib/bitset/base.h b/lib/bitset/base.h
index 504a1e525c..7d87362cf2 100644
--- a/lib/bitset/base.h
+++ b/lib/bitset/base.h
@@ -22,7 +22,6 @@
#define _BITSET_BASE_H
#include <limits.h>
-#include <stdbool.h>
#include <stddef.h>
#include <stdlib.h> /* because Gnulib's <stdlib.h> may '#define free ...' */
#include <string.h> /* ffsl */
diff --git a/lib/c-ctype.h b/lib/c-ctype.h
index 1a4f603898..1202ff8a36 100644
--- a/lib/c-ctype.h
+++ b/lib/c-ctype.h
@@ -23,8 +23,6 @@
#ifndef C_CTYPE_H
#define C_CTYPE_H
-#include <stdbool.h>
-
#ifndef _GL_INLINE_HEADER_BEGIN
#error "Please include config.h first."
#endif
diff --git a/lib/c-strcasestr.c b/lib/c-strcasestr.c
index 0c691852f8..73bfe541f4 100644
--- a/lib/c-strcasestr.c
+++ b/lib/c-strcasestr.c
@@ -20,7 +20,6 @@
/* Specification. */
#include "c-strcasestr.h"
-#include <stdbool.h>
#include <string.h>
#include "c-ctype.h"
diff --git a/lib/canonicalize-lgpl.c b/lib/canonicalize-lgpl.c
index a7fa7feb62..8c3d7f7cf8 100644
--- a/lib/canonicalize-lgpl.c
+++ b/lib/canonicalize-lgpl.c
@@ -30,7 +30,6 @@
#include <errno.h>
#include <fcntl.h>
#include <limits.h>
-#include <stdbool.h>
#include <string.h>
#include <sys/stat.h>
#include <unistd.h>
diff --git a/lib/canonicalize.c b/lib/canonicalize.c
index eaf18c6d19..e331e3ff1b 100644
--- a/lib/canonicalize.c
+++ b/lib/canonicalize.c
@@ -20,7 +20,6 @@
#include <errno.h>
#include <fcntl.h>
-#include <stdbool.h>
#include <string.h>
#include <sys/stat.h>
#include <unistd.h>
diff --git a/lib/chdir-long.c b/lib/chdir-long.c
index f4efb20989..1c19fa4737 100644
--- a/lib/chdir-long.c
+++ b/lib/chdir-long.c
@@ -23,7 +23,6 @@
#include <errno.h>
#include <fcntl.h>
#include <stdlib.h>
-#include <stdbool.h>
#include <string.h>
#include <stdio.h>
diff --git a/lib/chown.c b/lib/chown.c
index 705ca85874..e68acdaf71 100644
--- a/lib/chown.c
+++ b/lib/chown.c
@@ -25,7 +25,6 @@
#include <errno.h>
#include <fcntl.h>
-#include <stdbool.h>
#include <string.h>
#include <sys/stat.h>
diff --git a/lib/classpath.h b/lib/classpath.h
index 0a2ad0cf69..53253f1f83 100644
--- a/lib/classpath.h
+++ b/lib/classpath.h
@@ -15,8 +15,6 @@
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
-#include <stdbool.h>
-
/* Return the new CLASSPATH value. The given classpaths are prepended to
the current CLASSPATH value. If use_minimal_classpath, the current
CLASSPATH is ignored. */
diff --git a/lib/clean-temp-private.h b/lib/clean-temp-private.h
index f1c5e0386d..6f21816b8b 100644
--- a/lib/clean-temp-private.h
+++ b/lib/clean-temp-private.h
@@ -17,7 +17,6 @@
#ifndef _CLEAN_TEMP_PRIVATE_H
#define _CLEAN_TEMP_PRIVATE_H
-#include <stdbool.h>
#include <stddef.h>
#include "gl_list.h"
#include "asyncsafe-spin.h"
diff --git a/lib/clean-temp-simple.c b/lib/clean-temp-simple.c
index e9612f8316..53127d0bf0 100644
--- a/lib/clean-temp-simple.c
+++ b/lib/clean-temp-simple.c
@@ -24,7 +24,6 @@
#include <errno.h>
#include <limits.h>
#include <signal.h>
-#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
diff --git a/lib/clean-temp-simple.h b/lib/clean-temp-simple.h
index a0a3c71a34..d55e8d2482 100644
--- a/lib/clean-temp-simple.h
+++ b/lib/clean-temp-simple.h
@@ -18,8 +18,6 @@
#ifndef _CLEAN_TEMP_SIMPLE_H
#define _CLEAN_TEMP_SIMPLE_H
-#include <stdbool.h>
-
#ifdef __cplusplus
extern "C" {
#endif
diff --git a/lib/clean-temp.c b/lib/clean-temp.c
index 09f4eccabd..d4f0ca3ca5 100644
--- a/lib/clean-temp.c
+++ b/lib/clean-temp.c
@@ -24,7 +24,6 @@
#include <errno.h>
#include <fcntl.h>
#include <signal.h>
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
diff --git a/lib/clean-temp.h b/lib/clean-temp.h
index 7f114c61f3..451a43d121 100644
--- a/lib/clean-temp.h
+++ b/lib/clean-temp.h
@@ -18,7 +18,6 @@
#ifndef _CLEAN_TEMP_H
#define _CLEAN_TEMP_H
-#include <stdbool.h>
#include <stdio.h>
#include <sys/types.h>
diff --git a/lib/cloexec.h b/lib/cloexec.h
index 7a22d77532..15d2d5efe2 100644
--- a/lib/cloexec.h
+++ b/lib/cloexec.h
@@ -15,8 +15,6 @@
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
-#include <stdbool.h>
-
/* Set the 'FD_CLOEXEC' flag of DESC if VALUE is true,
or clear the flag if VALUE is false.
Return 0 on success, or -1 on error with 'errno' set.
diff --git a/lib/close-stream.c b/lib/close-stream.c
index 9b0e97b271..0fdca79bf8 100644
--- a/lib/close-stream.c
+++ b/lib/close-stream.c
@@ -20,7 +20,6 @@
#include "close-stream.h"
#include <errno.h>
-#include <stdbool.h>
#include "fpending.h"
diff --git a/lib/closein.c b/lib/closein.c
index b891c42e0d..702faece8b 100644
--- a/lib/closein.c
+++ b/lib/closein.c
@@ -20,7 +20,6 @@
#include "closein.h"
#include <errno.h>
-#include <stdbool.h>
#include <stdio.h>
#include <unistd.h>
diff --git a/lib/closeout.c b/lib/closeout.c
index 688cd730bf..cfb6efcae5 100644
--- a/lib/closeout.c
+++ b/lib/closeout.c
@@ -21,7 +21,6 @@
#include "closeout.h"
#include <errno.h>
-#include <stdbool.h>
#include <stdio.h>
#include <unistd.h>
diff --git a/lib/closeout.h b/lib/closeout.h
index fe24c4e11e..9ea15cebb9 100644
--- a/lib/closeout.h
+++ b/lib/closeout.h
@@ -19,8 +19,6 @@
#ifndef CLOSEOUT_H
# define CLOSEOUT_H 1
-# include <stdbool.h>
-
# ifdef __cplusplus
extern "C" {
# endif
diff --git a/lib/csharpcomp.h b/lib/csharpcomp.h
index a16b38ca25..b60c84cccd 100644
--- a/lib/csharpcomp.h
+++ b/lib/csharpcomp.h
@@ -18,8 +18,6 @@
#ifndef _CSHARPCOMP_H
#define _CSHARPCOMP_H
-#include <stdbool.h>
-
/* Compile a set of C# source files to bytecode.
sources is an array of source file names, including resource files.
libdirs is a list of directories to be searched for libraries.
diff --git a/lib/csharpexec.h b/lib/csharpexec.h
index d867ef11d6..d9c6557570 100644
--- a/lib/csharpexec.h
+++ b/lib/csharpexec.h
@@ -18,8 +18,6 @@
#ifndef _CSHARPEXEC_H
#define _CSHARPEXEC_H
-#include <stdbool.h>
-
typedef bool execute_fn (const char *progname,
const char *prog_path, const char * const *prog_argv,
void *private_data);
diff --git a/lib/cycle-check.c b/lib/cycle-check.c
index 20e0e1e337..70eaaac084 100644
--- a/lib/cycle-check.c
+++ b/lib/cycle-check.c
@@ -25,7 +25,6 @@
#include <sys/stat.h>
#include <stdio.h>
#include <stdlib.h>
-#include <stdbool.h>
#include "assure.h"
diff --git a/lib/cycle-check.h b/lib/cycle-check.h
index a297330fda..130de4d65e 100644
--- a/lib/cycle-check.h
+++ b/lib/cycle-check.h
@@ -21,7 +21,6 @@
# define CYCLE_CHECK_H 1
# include <stdint.h>
-# include <stdbool.h>
# include "dev-ino.h"
# include "same-inode.h"
diff --git a/lib/des.h b/lib/des.h
index cb6f3af261..f2863cd19f 100644
--- a/lib/des.h
+++ b/lib/des.h
@@ -23,7 +23,6 @@
#include <stddef.h>
#include <stdint.h>
-#include <stdbool.h>
/*
* Encryption/Decryption context of DES
diff --git a/lib/dfa.h b/lib/dfa.h
index 043f0e9717..3e3a938aaa 100644
--- a/lib/dfa.h
+++ b/lib/dfa.h
@@ -23,7 +23,6 @@
#include "idx.h"
#include <regex.h>
-#include <stdbool.h>
#include <stddef.h>
#include <stdlib.h>
diff --git a/lib/diffseq.h b/lib/diffseq.h
index 0f76ea1d5a..a8b0e7bd40 100644
--- a/lib/diffseq.h
+++ b/lib/diffseq.h
@@ -70,7 +70,6 @@
Before including this file, you also need to include:
#include <limits.h>
- #include <stdbool.h>
#include "minmax.h"
*/
diff --git a/lib/dirname.h b/lib/dirname.h
index e18a97ea1c..573fa6c1c7 100644
--- a/lib/dirname.h
+++ b/lib/dirname.h
@@ -19,7 +19,6 @@
#ifndef DIRNAME_H_
# define DIRNAME_H_ 1
-# include <stdbool.h>
# include <stdlib.h>
# include "filename.h"
# include "basename-lgpl.h"
diff --git a/lib/exclude.c b/lib/exclude.c
index 3770c48287..a39df312f2 100644
--- a/lib/exclude.c
+++ b/lib/exclude.c
@@ -23,8 +23,6 @@
#include <config.h>
-#include <stdbool.h>
-
#include <ctype.h>
#include <errno.h>
#include <stddef.h>
diff --git a/lib/exclude.h b/lib/exclude.h
index 020b3c36d8..f66ee3b4dc 100644
--- a/lib/exclude.h
+++ b/lib/exclude.h
@@ -19,7 +19,6 @@
#ifndef _GL_EXCLUDE_H
#define _GL_EXCLUDE_H 1
-#include <stdbool.h>
#include <stdio.h>
/* Written by Paul Eggert <eggert@twinsun.com>
diff --git a/lib/execute.c b/lib/execute.c
index 2ce5c15476..ce6804b9c1 100644
--- a/lib/execute.c
+++ b/lib/execute.c
@@ -23,7 +23,6 @@
#include <errno.h>
#include <fcntl.h>
-#include <stdbool.h>
#include <stdlib.h>
#include <signal.h>
#include <unistd.h>
diff --git a/lib/execute.h b/lib/execute.h
index d40d5093af..1a04f32d75 100644
--- a/lib/execute.h
+++ b/lib/execute.h
@@ -18,8 +18,6 @@
#ifndef _EXECUTE_H
#define _EXECUTE_H
-#include <stdbool.h>
-
/* Execute a command, optionally redirecting any of the three standard file
descriptors to /dev/null. Return its exit code.
If it didn't terminate correctly, exit if exit_on_error is true, otherwise
diff --git a/lib/execvpe.c b/lib/execvpe.c
index cbe325fb70..491cbb8eb5 100644
--- a/lib/execvpe.c
+++ b/lib/execvpe.c
@@ -26,7 +26,6 @@
#include <unistd.h>
#include <errno.h>
-#include <stdbool.h>
#include <stdlib.h>
#include "findprog.h"
diff --git a/lib/fatal-signal.c b/lib/fatal-signal.c
index f036785898..1d930b14e1 100644
--- a/lib/fatal-signal.c
+++ b/lib/fatal-signal.c
@@ -21,7 +21,6 @@
/* Specification. */
#include "fatal-signal.h"
-#include <stdbool.h>
#include <stdlib.h>
#include <signal.h>
#include <unistd.h>
diff --git a/lib/fchdir.c b/lib/fchdir.c
index 99e4aa851c..846890704d 100644
--- a/lib/fchdir.c
+++ b/lib/fchdir.c
@@ -22,7 +22,6 @@
#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
-#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
diff --git a/lib/file-set.h b/lib/file-set.h
index dc9d0ae519..e95879f831 100644
--- a/lib/file-set.h
+++ b/lib/file-set.h
@@ -18,7 +18,6 @@
#include <sys/types.h>
#include <sys/stat.h>
-#include <stdbool.h>
#include "hash.h"
diff --git a/lib/filevercmp.c b/lib/filevercmp.c
index 7e54793e61..cb1b38d473 100644
--- a/lib/filevercmp.c
+++ b/lib/filevercmp.c
@@ -20,7 +20,6 @@
#include <config.h>
#include "filevercmp.h"
-#include <stdbool.h>
#include <c-ctype.h>
#include <limits.h>
#include <idx.h>
diff --git a/lib/findprog-in.c b/lib/findprog-in.c
index 72a05dbf50..0957488246 100644
--- a/lib/findprog-in.c
+++ b/lib/findprog-in.c
@@ -22,7 +22,6 @@
#include "findprog.h"
#include <errno.h>
-#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
diff --git a/lib/findprog.c b/lib/findprog.c
index 78551ef044..961277ab95 100644
--- a/lib/findprog.c
+++ b/lib/findprog.c
@@ -21,7 +21,6 @@
/* Specification. */
#include "findprog.h"
-#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
diff --git a/lib/findprog.h b/lib/findprog.h
index e47acc5e47..cba0297deb 100644
--- a/lib/findprog.h
+++ b/lib/findprog.h
@@ -18,8 +18,6 @@
#ifndef _FINDPROG_H
#define _FINDPROG_H
-#include <stdbool.h>
-
#ifdef __cplusplus
extern "C" {
#endif
diff --git a/lib/fma.c b/lib/fma.c
index e53be24bd9..25a41c485f 100644
--- a/lib/fma.c
+++ b/lib/fma.c
@@ -24,7 +24,6 @@
#include <math.h>
#include <limits.h>
-#include <stdbool.h>
#include <stdlib.h>
#if HAVE_FEGETROUND
diff --git a/lib/fnmatch.c b/lib/fnmatch.c
index 45e326902d..5568422549 100644
--- a/lib/fnmatch.c
+++ b/lib/fnmatch.c
@@ -38,7 +38,6 @@
#include <wchar.h>
#include <wctype.h>
#include <stddef.h>
-#include <stdbool.h>
/* We need some of the locale data (the collation sequence information)
but there is no interface to get this information in general. Therefore
diff --git a/lib/fopen.c b/lib/fopen.c
index a5b3ae3899..334a7b653a 100644
--- a/lib/fopen.c
+++ b/lib/fopen.c
@@ -39,7 +39,6 @@ orig_fopen (const char *filename, const char *mode)
#include <errno.h>
#include <fcntl.h>
-#include <stdbool.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
diff --git a/lib/freadable.h b/lib/freadable.h
index 87590209fe..874fae6c47 100644
--- a/lib/freadable.h
+++ b/lib/freadable.h
@@ -14,7 +14,6 @@
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
-#include <stdbool.h>
#include <stdio.h>
/* Return true if the stream STREAM supports reading, false if it supports
diff --git a/lib/freading.h b/lib/freading.h
index 74fed227bb..9fa8cd14d9 100644
--- a/lib/freading.h
+++ b/lib/freading.h
@@ -14,7 +14,6 @@
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
-#include <stdbool.h>
#include <stdio.h>
/* Return true if the stream STREAM is opened read-only, or if the
diff --git a/lib/freopen-safer.c b/lib/freopen-safer.c
index 3bfacee643..8f4e824ef4 100644
--- a/lib/freopen-safer.c
+++ b/lib/freopen-safer.c
@@ -25,7 +25,6 @@
#include <errno.h>
#include <fcntl.h>
-#include <stdbool.h>
#include <unistd.h>
/* Guarantee that FD is open; all smaller FDs must already be open.
diff --git a/lib/fstrcmp.c b/lib/fstrcmp.c
index 5979f0e7b5..c6ccfed959 100644
--- a/lib/fstrcmp.c
+++ b/lib/fstrcmp.c
@@ -22,7 +22,6 @@
#include "fstrcmp.h"
#include <string.h>
-#include <stdbool.h>
#include <stddef.h>
#include <stdio.h>
#include <stdint.h>
diff --git a/lib/fsusage.h b/lib/fsusage.h
index 0443d19f92..27085b7b41 100644
--- a/lib/fsusage.h
+++ b/lib/fsusage.h
@@ -22,7 +22,6 @@
# define FSUSAGE_H_
# include <stdint.h>
-# include <stdbool.h>
struct fs_usage
{
diff --git a/lib/fts.c b/lib/fts.c
index a7b5b77d79..7778b6b786 100644
--- a/lib/fts.c
+++ b/lib/fts.c
@@ -63,7 +63,6 @@ static char sccsid[] = "@(#)fts.c 8.6 (Berkeley) 8/14/94";
#include <fcntl.h>
#include <errno.h>
#include <stdalign.h>
-#include <stdbool.h>
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
diff --git a/lib/fwritable.h b/lib/fwritable.h
index c2e845e7bd..cf88313509 100644
--- a/lib/fwritable.h
+++ b/lib/fwritable.h
@@ -14,7 +14,6 @@
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
-#include <stdbool.h>
#include <stdio.h>
/* Return true if the stream STREAM supports writing, false if it supports
diff --git a/lib/fwriteerror.c b/lib/fwriteerror.c
index 372f76c186..a932485481 100644
--- a/lib/fwriteerror.c
+++ b/lib/fwriteerror.c
@@ -21,7 +21,6 @@
#include "fwriteerror.h"
#include <errno.h>
-#include <stdbool.h>
static int
do_fwriteerror (FILE *fp, bool ignore_ebadf)
diff --git a/lib/fwriting.h b/lib/fwriting.h
index 0c04cbedc4..9c5d39a744 100644
--- a/lib/fwriting.h
+++ b/lib/fwriting.h
@@ -14,7 +14,6 @@
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
-#include <stdbool.h>
#include <stdio.h>
/* Return true if the stream STREAM is opened write-only or
diff --git a/lib/gen-uni-tables.c b/lib/gen-uni-tables.c
index 298d9689bc..2c5dbd462c 100644
--- a/lib/gen-uni-tables.c
+++ b/lib/gen-uni-tables.c
@@ -37,7 +37,6 @@
*/
#include <assert.h>
-#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
diff --git a/lib/getaddrinfo.c b/lib/getaddrinfo.c
index 392289858d..0579315d30 100644
--- a/lib/getaddrinfo.c
+++ b/lib/getaddrinfo.c
@@ -39,8 +39,6 @@
/* Get snprintf. */
#include <stdio.h>
-#include <stdbool.h>
-
#include "gettext.h"
#define _(String) gettext (String)
#define N_(String) String
diff --git a/lib/getcwd.c b/lib/getcwd.c
index 113332f1c9..e48529723d 100644
--- a/lib/getcwd.c
+++ b/lib/getcwd.c
@@ -28,7 +28,6 @@
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
-#include <stdbool.h>
#include <stddef.h>
#include <fcntl.h> /* For AT_FDCWD on Solaris 9. */
diff --git a/lib/getloadavg.c b/lib/getloadavg.c
index 37e8280867..1fddee97af 100644
--- a/lib/getloadavg.c
+++ b/lib/getloadavg.c
@@ -82,7 +82,6 @@
#include <stdlib.h>
#include <errno.h>
-#include <stdbool.h>
#include <stdio.h>
# include <sys/types.h>
diff --git a/lib/getndelim2.c b/lib/getndelim2.c
index 2611bc2ae1..b0641498f5 100644
--- a/lib/getndelim2.c
+++ b/lib/getndelim2.c
@@ -23,7 +23,6 @@
#include "getndelim2.h"
-#include <stdbool.h>
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
diff --git a/lib/getpass.c b/lib/getpass.c
index 063985f9bb..bf2d198b07 100644
--- a/lib/getpass.c
+++ b/lib/getpass.c
@@ -28,8 +28,6 @@
#if !(defined _WIN32 && !defined __CYGWIN__)
-# include <stdbool.h>
-
# if HAVE_DECL___FSETLOCKING && HAVE___FSETLOCKING
# if HAVE_STDIO_EXT_H
# include <stdio_ext.h>
diff --git a/lib/getrandom.c b/lib/getrandom.c
index e146873093..c05a48167e 100644
--- a/lib/getrandom.c
+++ b/lib/getrandom.c
@@ -23,7 +23,6 @@
#include <errno.h>
#include <fcntl.h>
-#include <stdbool.h>
#include <unistd.h>
#if defined _WIN32 && ! defined __CYGWIN__
diff --git a/lib/git-merge-changelog.c b/lib/git-merge-changelog.c
index 3ffcc747ab..679c4aac1a 100644
--- a/lib/git-merge-changelog.c
+++ b/lib/git-merge-changelog.c
@@ -157,7 +157,6 @@
#include <getopt.h>
#include <limits.h>
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
diff --git a/lib/gl_list.h b/lib/gl_list.h
index bf6a2ba4c0..1fd12de4f4 100644
--- a/lib/gl_list.h
+++ b/lib/gl_list.h
@@ -18,7 +18,6 @@
#ifndef _GL_LIST_H
#define _GL_LIST_H
-#include <stdbool.h>
#include <stddef.h>
#ifndef _GL_INLINE_HEADER_BEGIN
diff --git a/lib/gl_map.h b/lib/gl_map.h
index a7a37643cf..e6563cd4fa 100644
--- a/lib/gl_map.h
+++ b/lib/gl_map.h
@@ -18,7 +18,6 @@
#ifndef _GL_MAP_H
#define _GL_MAP_H
-#include <stdbool.h>
#include <stddef.h>
#ifndef _GL_INLINE_HEADER_BEGIN
diff --git a/lib/gl_omap.h b/lib/gl_omap.h
index 000a34e7a5..67f15c9046 100644
--- a/lib/gl_omap.h
+++ b/lib/gl_omap.h
@@ -18,7 +18,6 @@
#ifndef _GL_OMAP_H
#define _GL_OMAP_H
-#include <stdbool.h>
#include <stddef.h>
#ifndef _GL_INLINE_HEADER_BEGIN
diff --git a/lib/gl_oset.h b/lib/gl_oset.h
index 2de391f0ff..0e360bdb2b 100644
--- a/lib/gl_oset.h
+++ b/lib/gl_oset.h
@@ -18,7 +18,6 @@
#ifndef _GL_OSET_H
#define _GL_OSET_H
-#include <stdbool.h>
#include <stddef.h>
#ifndef _GL_INLINE_HEADER_BEGIN
diff --git a/lib/gl_set.h b/lib/gl_set.h
index 14b3053e54..c98463a574 100644
--- a/lib/gl_set.h
+++ b/lib/gl_set.h
@@ -18,7 +18,6 @@
#ifndef _GL_SET_H
#define _GL_SET_H
-#include <stdbool.h>
#include <stddef.h>
#ifndef _GL_INLINE_HEADER_BEGIN
diff --git a/lib/glob.c b/lib/glob.c
index 57cb3bd1d1..d9206495d5 100644
--- a/lib/glob.c
+++ b/lib/glob.c
@@ -31,7 +31,6 @@
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
-#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <assert.h>
diff --git a/lib/glthread/cond.h b/lib/glthread/cond.h
index 8418719272..1109edb902 100644
--- a/lib/glthread/cond.h
+++ b/lib/glthread/cond.h
@@ -49,7 +49,6 @@
#define _GLTHREAD_COND_H
#include <errno.h>
-#include <stdbool.h>
#include <stdlib.h>
#include <time.h>
diff --git a/lib/hamt.h b/lib/hamt.h
index d685bb6ee7..6cbc7fd7d2 100644
--- a/lib/hamt.h
+++ b/lib/hamt.h
@@ -68,7 +68,6 @@ _GL_INLINE_HEADER_BEGIN
# define GL_HAMT_THREAD_SAFE 0
#endif
-#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
diff --git a/lib/hard-locale.h b/lib/hard-locale.h
index 6066f4ed44..d0fef9b629 100644
--- a/lib/hard-locale.h
+++ b/lib/hard-locale.h
@@ -18,8 +18,6 @@
#ifndef HARD_LOCALE_H_
# define HARD_LOCALE_H_ 1
-# include <stdbool.h>
-
/* Return true if the specified CATEGORY of the current locale is hard, i.e.
different from the C or POSIX locale that has a fixed behavior.
CATEGORY must be one of the LC_* values, but not LC_ALL. */
diff --git a/lib/hash-triple.h b/lib/hash-triple.h
index 929995f296..d5f7098594 100644
--- a/lib/hash-triple.h
+++ b/lib/hash-triple.h
@@ -21,7 +21,6 @@
#include <sys/types.h>
#include <sys/stat.h>
-#include <stdbool.h>
/* Describe a just-created or just-renamed destination file. */
struct F_triple
diff --git a/lib/hash.h b/lib/hash.h
index ebfc740777..6bf47ffd0e 100644
--- a/lib/hash.h
+++ b/lib/hash.h
@@ -25,7 +25,6 @@
# define HASH_H_
# include <stdio.h>
-# include <stdbool.h>
# ifdef __cplusplus
extern "C" {
diff --git a/lib/human.h b/lib/human.h
index 78fb7180b5..34cedff4f2 100644
--- a/lib/human.h
+++ b/lib/human.h
@@ -21,7 +21,6 @@
# define HUMAN_H_ 1
# include <limits.h>
-# include <stdbool.h>
# include <stdint.h>
# include <unistd.h>
diff --git a/lib/i-ring.h b/lib/i-ring.h
index 58ba72f401..ec27d5a3f4 100644
--- a/lib/i-ring.h
+++ b/lib/i-ring.h
@@ -14,7 +14,6 @@
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
-#include <stdbool.h>
#include "verify.h"
enum { I_RING_SIZE = 4 };
diff --git a/lib/isapipe.c b/lib/isapipe.c
index 467ed00ca9..163d6d6cf8 100644
--- a/lib/isapipe.c
+++ b/lib/isapipe.c
@@ -53,7 +53,6 @@ isapipe (int fd)
#else
/* Unix platforms. */
-# include <stdbool.h>
# include <sys/types.h>
# include <sys/stat.h>
# include <unistd.h>
diff --git a/lib/javacomp.h b/lib/javacomp.h
index 0f5861b363..cf1222ed9b 100644
--- a/lib/javacomp.h
+++ b/lib/javacomp.h
@@ -18,8 +18,6 @@
#ifndef _JAVACOMP_H
#define _JAVACOMP_H
-#include <stdbool.h>
-
/* Compile a Java source file to bytecode.
java_sources is an array of source file names.
classpaths is a list of pathnames to be prepended to the CLASSPATH.
diff --git a/lib/javaexec.h b/lib/javaexec.h
index 674d3427a7..bae2b005a1 100644
--- a/lib/javaexec.h
+++ b/lib/javaexec.h
@@ -18,8 +18,6 @@
#ifndef _JAVAEXEC_H
#define _JAVAEXEC_H
-#include <stdbool.h>
-
typedef bool execute_fn (const char *progname,
const char *prog_path, const char * const *prog_argv,
void *private_data);
diff --git a/lib/javaversion.c b/lib/javaversion.c
index ca247e6535..b24fe2b5a0 100644
--- a/lib/javaversion.c
+++ b/lib/javaversion.c
@@ -21,7 +21,6 @@
#include "javaversion.h"
#include <errno.h>
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
diff --git a/lib/lchown.c b/lib/lchown.c
index 8b0d871a27..a6ea1fab4b 100644
--- a/lib/lchown.c
+++ b/lib/lchown.c
@@ -23,7 +23,6 @@
#include <unistd.h>
#include <errno.h>
-#include <stdbool.h>
#include <string.h>
#include <sys/stat.h>
diff --git a/lib/localeinfo.h b/lib/localeinfo.h
index ac235fccae..f117374a73 100644
--- a/lib/localeinfo.h
+++ b/lib/localeinfo.h
@@ -20,7 +20,6 @@
/* Written by Paul Eggert. */
#include <limits.h>
-#include <stdbool.h>
#include <wchar.h>
struct localeinfo
diff --git a/lib/localename.c b/lib/localename.c
index 446fc0333d..3a1d96ad56 100644
--- a/lib/localename.c
+++ b/lib/localename.c
@@ -24,7 +24,6 @@
#include "localename.h"
#include <limits.h>
-#include <stdbool.h>
#include <stddef.h>
#include <stdlib.h>
#include <locale.h>
diff --git a/lib/long-options.h b/lib/long-options.h
index 4ec42cc942..a0f37025eb 100644
--- a/lib/long-options.h
+++ b/lib/long-options.h
@@ -20,8 +20,6 @@
#ifndef LONG_OPTIONS_H_
# define LONG_OPTIONS_H_ 1
-# include <stdbool.h>
-
void parse_long_options (int _argc,
char **_argv,
const char *_command_name,
diff --git a/lib/malloc/dynarray.h b/lib/malloc/dynarray.h
index f16fd950df..df1aa4167d 100644
--- a/lib/malloc/dynarray.h
+++ b/lib/malloc/dynarray.h
@@ -94,7 +94,6 @@
#ifndef _DYNARRAY_H
#define _DYNARRAY_H
-#include <stdbool.h>
#include <stddef.h>
#include <string.h>
diff --git a/lib/mbchar.h b/lib/mbchar.h
index 9aeb04413c..5ca8df61fe 100644
--- a/lib/mbchar.h
+++ b/lib/mbchar.h
@@ -144,7 +144,6 @@
#ifndef _MBCHAR_H
#define _MBCHAR_H 1
-#include <stdbool.h>
#include <string.h>
#include <wchar.h>
#include <wctype.h>
diff --git a/lib/mbfile.h b/lib/mbfile.h
index bfe8706246..89bfc3e746 100644
--- a/lib/mbfile.h
+++ b/lib/mbfile.h
@@ -48,7 +48,6 @@
#define _MBFILE_H 1
#include <assert.h>
-#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include <wchar.h>
diff --git a/lib/mbiter.h b/lib/mbiter.h
index 031fa92fbf..f30a5406bb 100644
--- a/lib/mbiter.h
+++ b/lib/mbiter.h
@@ -83,7 +83,6 @@
#define _MBITER_H 1
#include <assert.h>
-#include <stdbool.h>
#include <stddef.h>
#include <string.h>
#include <wchar.h>
diff --git a/lib/mbmemcasecoll.h b/lib/mbmemcasecoll.h
index b8df2058c8..50f0040f17 100644
--- a/lib/mbmemcasecoll.h
+++ b/lib/mbmemcasecoll.h
@@ -19,7 +19,6 @@
#ifndef MBMEMCASECOLL_H
#define MBMEMCASECOLL_H
-#include <stdbool.h>
#include <stddef.h>
#ifdef __cplusplus
diff --git a/lib/mbscasestr.c b/lib/mbscasestr.c
index 9d4c3ae468..e5b3263eb3 100644
--- a/lib/mbscasestr.c
+++ b/lib/mbscasestr.c
@@ -21,7 +21,6 @@
#include <string.h>
#include <ctype.h>
-#include <stdbool.h>
#include <stddef.h> /* for NULL, in case a nonstandard string.h lacks it */
#include <stdlib.h>
diff --git a/lib/mbsstr.c b/lib/mbsstr.c
index f9ce4eeca8..ff7ff17d76 100644
--- a/lib/mbsstr.c
+++ b/lib/mbsstr.c
@@ -20,7 +20,6 @@
/* Specification. */
#include <string.h>
-#include <stdbool.h>
#include <stddef.h> /* for NULL, in case a nonstandard string.h lacks it */
#include <stdlib.h>
diff --git a/lib/mbuiter.h b/lib/mbuiter.h
index f197bd1c2e..1a48fcfa5c 100644
--- a/lib/mbuiter.h
+++ b/lib/mbuiter.h
@@ -90,7 +90,6 @@
#define _MBUITER_H 1
#include <assert.h>
-#include <stdbool.h>
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
diff --git a/lib/mkdir-p.h b/lib/mkdir-p.h
index f8a4b5d4b9..90bd59f37d 100644
--- a/lib/mkdir-p.h
+++ b/lib/mkdir-p.h
@@ -18,7 +18,6 @@
/* Written by Paul Eggert, David MacKenzie, and Jim Meyering. */
-#include <stdbool.h>
#include <sys/types.h>
struct savewd;
diff --git a/lib/modechange.h b/lib/modechange.h
index 3982be16b2..d1bcd8f13e 100644
--- a/lib/modechange.h
+++ b/lib/modechange.h
@@ -19,7 +19,6 @@
#if ! defined MODECHANGE_H_
# define MODECHANGE_H_
-# include <stdbool.h>
# include <stdlib.h>
# include <sys/types.h>
diff --git a/lib/mountlist.h b/lib/mountlist.h
index 6edac1216f..e24ebbe0dc 100644
--- a/lib/mountlist.h
+++ b/lib/mountlist.h
@@ -19,7 +19,6 @@
#ifndef MOUNTLIST_H_
# define MOUNTLIST_H_
-# include <stdbool.h>
# include <sys/types.h>
/* A mount table entry. */
diff --git a/lib/nanosleep.c b/lib/nanosleep.c
index 446794edc0..78e612d4b1 100644
--- a/lib/nanosleep.c
+++ b/lib/nanosleep.c
@@ -25,7 +25,6 @@
#include "intprops.h"
#include "verify.h"
-#include <stdbool.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/select.h>
diff --git a/lib/nonblocking.h b/lib/nonblocking.h
index 8e00fd74b0..0cb6f6a584 100644
--- a/lib/nonblocking.h
+++ b/lib/nonblocking.h
@@ -17,8 +17,6 @@
#ifndef _NONBLOCKING_H
#define _NONBLOCKING_H
-#include <stdbool.h>
-
/* Non-blocking I/O is an I/O mode by which read(), write() calls avoid
blocking the current thread. When non-blocking is enabled:
- A read() call returns -1 with errno set to EAGAIN when no data or EOF
diff --git a/lib/nstrftime.c b/lib/nstrftime.c
index c1dd554247..37034eb9fb 100644
--- a/lib/nstrftime.c
+++ b/lib/nstrftime.c
@@ -65,7 +65,6 @@ extern char *tzname[];
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
-#include <stdbool.h>
#include "attribute.h"
#include <intprops.h>
diff --git a/lib/openat.c b/lib/openat.c
index 52aab19d27..a78d0456ed 100644
--- a/lib/openat.c
+++ b/lib/openat.c
@@ -44,7 +44,6 @@ orig_openat (int fd, char const *filename, int flags, mode_t mode)
#include "cloexec.h"
#include <stdarg.h>
-#include <stdbool.h>
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
diff --git a/lib/openat.h b/lib/openat.h
index 56919ef8dc..c2f64ff50e 100644
--- a/lib/openat.h
+++ b/lib/openat.h
@@ -24,7 +24,6 @@
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
-#include <stdbool.h>
#ifndef _GL_INLINE_HEADER_BEGIN
#error "Please include config.h first."
diff --git a/lib/os2-spawn.c b/lib/os2-spawn.c
index b51c09877b..bfedfa1cc3 100644
--- a/lib/os2-spawn.c
+++ b/lib/os2-spawn.c
@@ -23,7 +23,6 @@
/* Get _open_osfhandle(). */
#include <io.h>
-#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
diff --git a/lib/parse-datetime.h b/lib/parse-datetime.h
index c333abc037..ae88b2183b 100644
--- a/lib/parse-datetime.h
+++ b/lib/parse-datetime.h
@@ -16,7 +16,6 @@
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
-#include <stdbool.h>
#include <time.h>
bool parse_datetime (struct timespec *restrict,
diff --git a/lib/pipe-filter-aux.c b/lib/pipe-filter-aux.c
index 8f69a5b2d0..8827d8698e 100644
--- a/lib/pipe-filter-aux.c
+++ b/lib/pipe-filter-aux.c
@@ -22,7 +22,6 @@
#include <errno.h>
#include <fcntl.h>
-#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>
#include <unistd.h>
diff --git a/lib/pipe-filter-gi.c b/lib/pipe-filter-gi.c
index 2b2e54228d..ca7d763616 100644
--- a/lib/pipe-filter-gi.c
+++ b/lib/pipe-filter-gi.c
@@ -22,7 +22,6 @@
#include <errno.h>
#include <fcntl.h>
-#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>
#include <unistd.h>
diff --git a/lib/pipe-filter-ii.c b/lib/pipe-filter-ii.c
index 06729584f0..f8332b134d 100644
--- a/lib/pipe-filter-ii.c
+++ b/lib/pipe-filter-ii.c
@@ -21,7 +21,6 @@
#include <errno.h>
#include <fcntl.h>
-#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>
#include <unistd.h>
diff --git a/lib/pipe-filter.h b/lib/pipe-filter.h
index 4adc23bd05..da122d51bb 100644
--- a/lib/pipe-filter.h
+++ b/lib/pipe-filter.h
@@ -19,10 +19,8 @@
#ifndef _PIPE_FILTER_H
#define _PIPE_FILTER_H
-#include <stdbool.h>
#include <stddef.h>
-
#ifdef __cplusplus
extern "C" {
#endif
diff --git a/lib/posixtm.h b/lib/posixtm.h
index bb8a6bdbc3..3ff026a4b8 100644
--- a/lib/posixtm.h
+++ b/lib/posixtm.h
@@ -21,7 +21,6 @@
#ifndef POSIXTM_H_
# define POSIXTM_H_
-# include <stdbool.h>
# include <time.h>
/* POSIX Date Syntax flags. */
diff --git a/lib/priv-set.c b/lib/priv-set.c
index 7a7455b09e..f0487f429d 100644
--- a/lib/priv-set.c
+++ b/lib/priv-set.c
@@ -26,7 +26,6 @@
#if HAVE_GETPPRIV && HAVE_PRIV_H
# include <errno.h>
-# include <stdbool.h>
# include <priv.h>
/* Holds a (cached) copy of the effective set. */
diff --git a/lib/progreloc.c b/lib/progreloc.c
index 8bb2576910..c9e3e663f6 100644
--- a/lib/progreloc.c
+++ b/lib/progreloc.c
@@ -23,7 +23,6 @@
#include "progname.h"
#include <errno.h>
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
diff --git a/lib/propername.c b/lib/propername.c
index eaef4f2700..6c9d7a5a3d 100644
--- a/lib/propername.c
+++ b/lib/propername.c
@@ -27,7 +27,6 @@
#include "propername.h"
#include <ctype.h>
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
diff --git a/lib/pthread-spin.c b/lib/pthread-spin.c
index d4d1da001e..d110749655 100644
--- a/lib/pthread-spin.c
+++ b/lib/pthread-spin.c
@@ -21,8 +21,6 @@
/* Specification. */
#include <pthread.h>
-#include <stdbool.h>
-
#if (defined _WIN32 && ! defined __CYGWIN__) && USE_WINDOWS_THREADS
# include "windows-spin.h"
#endif
diff --git a/lib/quotearg.c b/lib/quotearg.c
index 9180d9ab05..ac339991a2 100644
--- a/lib/quotearg.c
+++ b/lib/quotearg.c
@@ -38,7 +38,6 @@
#include <ctype.h>
#include <errno.h>
#include <limits.h>
-#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
diff --git a/lib/readtokens.c b/lib/readtokens.c
index f165580cca..71f6657fde 100644
--- a/lib/readtokens.c
+++ b/lib/readtokens.c
@@ -30,7 +30,6 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include <stdbool.h>
#include "xalloc.h"
diff --git a/lib/readtokens0.h b/lib/readtokens0.h
index 2bfbb02cf2..0b0fc92ed2 100644
--- a/lib/readtokens0.h
+++ b/lib/readtokens0.h
@@ -22,7 +22,6 @@
# include <stdio.h>
# include <sys/types.h>
-# include <stdbool.h>
# include "obstack.h"
struct Tokens
diff --git a/lib/readutmp.c b/lib/readutmp.c
index 1b6f843d9a..49c9d6d374 100644
--- a/lib/readutmp.c
+++ b/lib/readutmp.c
@@ -27,7 +27,6 @@
#include <sys/types.h>
#include <sys/stat.h>
#include <signal.h>
-#include <stdbool.h>
#include <string.h>
#include <stdlib.h>
#include <stdint.h>
diff --git a/lib/regex-quote.h b/lib/regex-quote.h
index 902735bfc9..0253cdfb45 100644
--- a/lib/regex-quote.h
+++ b/lib/regex-quote.h
@@ -18,10 +18,8 @@
#ifndef _REGEX_QUOTE_H
#define _REGEX_QUOTE_H
-#include <stdbool.h>
#include <stdlib.h>
-
/* Specifies a quotation task for converting a fixed string to a regular
expression pattern. */
struct regex_quote_spec
diff --git a/lib/regex_internal.h b/lib/regex_internal.h
index 57a455b1f4..784d2d4586 100644
--- a/lib/regex_internal.h
+++ b/lib/regex_internal.h
@@ -29,7 +29,6 @@
#include <locale.h>
#include <wchar.h>
#include <wctype.h>
-#include <stdbool.h>
#include <stdint.h>
#ifndef _LIBC
diff --git a/lib/relocwrapper.c b/lib/relocwrapper.c
index ff0ad41995..3ec8b2888b 100644
--- a/lib/relocwrapper.c
+++ b/lib/relocwrapper.c
@@ -29,10 +29,10 @@
-> readlink
-> stat
-> canonicalize-lgpl
+ -> c-bool
-> libc-config
-> errno
-> fcntl-h
- -> stdbool
-> sys_stat
-> unistd
-> eloop-threshold
diff --git a/lib/rename.c b/lib/rename.c
index 119abe5c26..a525873170 100644
--- a/lib/rename.c
+++ b/lib/rename.c
@@ -29,7 +29,6 @@
existing files. */
# include <errno.h>
-# include <stdbool.h>
# include <stdlib.h>
# include <sys/stat.h>
# include <unistd.h>
diff --git a/lib/renameatu.c b/lib/renameatu.c
index 7ba186cae7..0c9cdeb95f 100644
--- a/lib/renameatu.c
+++ b/lib/renameatu.c
@@ -38,7 +38,6 @@ errno_fail (int e)
#if HAVE_RENAMEAT
-# include <stdbool.h>
# include <stdlib.h>
# include <string.h>
diff --git a/lib/rpmatch.c b/lib/rpmatch.c
index 01eab24dbb..fbdcb0305c 100644
--- a/lib/rpmatch.c
+++ b/lib/rpmatch.c
@@ -22,7 +22,6 @@
/* Specification. */
#include <stdlib.h>
-#include <stdbool.h>
#include <stddef.h>
#if ENABLE_NLS
diff --git a/lib/same.c b/lib/same.c
index b68b995b48..858449a5a9 100644
--- a/lib/same.c
+++ b/lib/same.c
@@ -20,7 +20,6 @@
#include <config.h>
#include <fcntl.h>
-#include <stdbool.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
diff --git a/lib/same.h b/lib/same.h
index 6066850226..caf592f985 100644
--- a/lib/same.h
+++ b/lib/same.h
@@ -18,8 +18,6 @@
#ifndef SAME_H_
# define SAME_H_ 1
-# include <stdbool.h>
-
bool same_name (const char *source, const char *dest);
bool same_nameat (int, char const *, int, char const *);
diff --git a/lib/save-cwd.c b/lib/save-cwd.c
index ea487a40dd..afa75e176e 100644
--- a/lib/save-cwd.c
+++ b/lib/save-cwd.c
@@ -24,7 +24,6 @@
#include <errno.h>
#include <fcntl.h>
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
diff --git a/lib/savewd.c b/lib/savewd.c
index 804924a945..dbb7ef2b47 100644
--- a/lib/savewd.c
+++ b/lib/savewd.c
@@ -26,7 +26,6 @@
#include <errno.h>
#include <fcntl.h>
#include <signal.h>
-#include <stdbool.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/wait.h>
diff --git a/lib/savewd.h b/lib/savewd.h
index 80cd280287..22242a30a5 100644
--- a/lib/savewd.h
+++ b/lib/savewd.h
@@ -20,7 +20,6 @@
#ifndef SAVEWD_H
# define SAVEWD_H 1
-#include <stdbool.h>
#include <sys/types.h>
#ifndef _GL_INLINE_HEADER_BEGIN
diff --git a/lib/spawn-pipe.h b/lib/spawn-pipe.h
index 9ab1ea8433..d25988051f 100644
--- a/lib/spawn-pipe.h
+++ b/lib/spawn-pipe.h
@@ -23,8 +23,6 @@
#include <unistd.h>
#include <sys/types.h>
-#include <stdbool.h>
-
#ifdef __cplusplus
extern "C" {
diff --git a/lib/spawni.c b/lib/spawni.c
index aa72125289..b3b3b56f31 100644
--- a/lib/spawni.c
+++ b/lib/spawni.c
@@ -99,7 +99,6 @@
# define WIN32_LEAN_AND_MEAN
# include <windows.h>
-# include <stdbool.h>
# include <stdio.h>
# include "filename.h"
diff --git a/lib/stack.h b/lib/stack.h
index 28b9d7a542..18e23fdaf9 100644
--- a/lib/stack.h
+++ b/lib/stack.h
@@ -53,7 +53,6 @@
After including this file, these names will be undefined.
Before including this file, you also need to include:
- #include <stdbool.h>
#include <stdlib.h>
#include "assure.h"
#include "xalloc.h"
diff --git a/lib/stat.c b/lib/stat.c
index 574489ac71..cdcc33165f 100644
--- a/lib/stat.c
+++ b/lib/stat.c
@@ -55,7 +55,6 @@ orig_stat (const char *filename, struct stat *buf)
#include <errno.h>
#include <limits.h>
-#include <stdbool.h>
#include <string.h>
#include "filename.h"
#include "malloca.h"
diff --git a/lib/stdckdint.in.h b/lib/stdckdint.in.h
index 90fa62e596..762d3fdb79 100644
--- a/lib/stdckdint.in.h
+++ b/lib/stdckdint.in.h
@@ -20,8 +20,6 @@
#include "intprops-internal.h"
-#include <stdbool.h>
-
/* Store into *R the low-order bits of A + B, A - B, A * B, respectively.
Return 1 if the result overflows, 0 otherwise.
A, B, and *R can have any integer type other than char, bool, a
diff --git a/lib/strcasestr.c b/lib/strcasestr.c
index b36f40919d..e8d6084b06 100644
--- a/lib/strcasestr.c
+++ b/lib/strcasestr.c
@@ -21,7 +21,6 @@
#include <string.h>
#include <ctype.h>
-#include <stdbool.h>
#include <strings.h>
#define TOLOWER(Ch) (isupper (Ch) ? tolower (Ch) : (Ch))
diff --git a/lib/strfmon_l.c b/lib/strfmon_l.c
index 2ce17e566c..99996ceb90 100644
--- a/lib/strfmon_l.c
+++ b/lib/strfmon_l.c
@@ -22,7 +22,6 @@
#include <errno.h>
#include <locale.h>
#include <stdarg.h>
-#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
diff --git a/lib/striconveh.c b/lib/striconveh.c
index 5b60a7e0af..01b4e327ef 100644
--- a/lib/striconveh.c
+++ b/lib/striconveh.c
@@ -21,7 +21,6 @@
#include "striconveh.h"
#include <errno.h>
-#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
diff --git a/lib/striconveha.h b/lib/striconveha.h
index fe7b42430f..4a4426fe77 100644
--- a/lib/striconveha.h
+++ b/lib/striconveha.h
@@ -18,7 +18,6 @@
#ifndef _STRICONVEHA_H
#define _STRICONVEHA_H
-#include <stdbool.h>
#include <stdlib.h>
#include "iconveh.h"
diff --git a/lib/string-buffer.h b/lib/string-buffer.h
index 4cb1e29957..d988e1e501 100644
--- a/lib/string-buffer.h
+++ b/lib/string-buffer.h
@@ -20,7 +20,6 @@
#define _STRING_BUFFER_H
#include <stdarg.h>
-#include <stdbool.h>
#include <stdlib.h>
#include "attribute.h"
diff --git a/lib/strptime.c b/lib/strptime.c
index 27b3fb6a9c..fd9ae8892a 100644
--- a/lib/strptime.c
+++ b/lib/strptime.c
@@ -29,9 +29,9 @@
#include <limits.h>
#include <string.h>
#include <strings.h>
-#include <stdbool.h>
#ifdef _LIBC
+# include <stdbool.h>
# include "../locale/localeinfo.h"
#endif
diff --git a/lib/strstr.c b/lib/strstr.c
index 6236915966..65bf21b717 100644
--- a/lib/strstr.c
+++ b/lib/strstr.c
@@ -24,8 +24,6 @@
/* Specification of strstr. */
#include <string.h>
-#include <stdbool.h>
-
#define RETURN_TYPE char *
#define AVAILABLE(h, h_l, j, n_l) \
(!memchr ((h) + (h_l), '\0', (j) + (n_l) - (h_l)) \
diff --git a/lib/strtod.c b/lib/strtod.c
index 9b3a1422a8..a2eada590f 100644
--- a/lib/strtod.c
+++ b/lib/strtod.c
@@ -27,7 +27,6 @@
#include <limits.h> /* LONG_{MIN,MAX} */
#include <locale.h> /* localeconv() */
#include <math.h> /* NAN */
-#include <stdbool.h>
#include <stdio.h> /* sprintf() */
#include <string.h> /* strdup() */
#if HAVE_NL_LANGINFO
diff --git a/lib/supersede.h b/lib/supersede.h
index f7ab9d5496..27eb7a13c4 100644
--- a/lib/supersede.h
+++ b/lib/supersede.h
@@ -20,7 +20,6 @@
#ifndef _GL_SUPERSEDE_H
#define _GL_SUPERSEDE_H
-#include <stdbool.h>
#include <stdio.h>
#include <sys/types.h>
diff --git a/lib/system-quote.c b/lib/system-quote.c
index 7ac844830d..02d20b1823 100644
--- a/lib/system-quote.c
+++ b/lib/system-quote.c
@@ -20,7 +20,6 @@
/* Specification. */
#include "system-quote.h"
-#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
diff --git a/lib/tempname.c b/lib/tempname.c
index 11b4796b34..dbff638f70 100644
--- a/lib/tempname.c
+++ b/lib/tempname.c
@@ -20,7 +20,6 @@
# include "tempname.h"
#endif
-#include <stdbool.h>
#include <errno.h>
#include <stdio.h>
diff --git a/lib/term-style-control.c b/lib/term-style-control.c
index 37f0f4b9da..64a0e4e075 100644
--- a/lib/term-style-control.c
+++ b/lib/term-style-control.c
@@ -25,7 +25,6 @@
#include <errno.h>
#include <signal.h>
-#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
diff --git a/lib/term-style-control.h b/lib/term-style-control.h
index 539fa795af..28623aacf5 100644
--- a/lib/term-style-control.h
+++ b/lib/term-style-control.h
@@ -18,8 +18,6 @@
#ifndef _TERM_STYLE_CONTROL_H
#define _TERM_STYLE_CONTROL_H
-#include <stdbool.h>
-
/* The user of this file will define a macro 'term_style_user_data', such that
'struct term_style_user_data' is a user-defined struct. */
diff --git a/lib/textstyle.in.h b/lib/textstyle.in.h
index 60015bdb71..1983183b02 100644
--- a/lib/textstyle.in.h
+++ b/lib/textstyle.in.h
@@ -32,7 +32,6 @@
#include <errno.h>
#include <stdarg.h>
-#include <stdbool.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
diff --git a/lib/time_rz.c b/lib/time_rz.c
index 1a91d3778e..601ce5950e 100644
--- a/lib/time_rz.c
+++ b/lib/time_rz.c
@@ -27,7 +27,6 @@
#include <time.h>
#include <errno.h>
-#include <stdbool.h>
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
diff --git a/lib/tmpdir.c b/lib/tmpdir.c
index 3e47875b76..6d9a1f23d3 100644
--- a/lib/tmpdir.c
+++ b/lib/tmpdir.c
@@ -22,7 +22,6 @@
/* Specification. */
#include "tmpdir.h"
-#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
diff --git a/lib/tmpdir.h b/lib/tmpdir.h
index ec14ee14cb..f667f4a868 100644
--- a/lib/tmpdir.h
+++ b/lib/tmpdir.h
@@ -14,7 +14,6 @@
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
-#include <stdbool.h>
#include <stddef.h>
/* Path search algorithm, for tmpnam, tmpfile, etc. If DIR is
diff --git a/lib/tmpfile.c b/lib/tmpfile.c
index dd9cf821a2..fadee566cc 100644
--- a/lib/tmpfile.c
+++ b/lib/tmpfile.c
@@ -22,7 +22,6 @@
#include <stdio.h>
#include <errno.h>
-#include <stdbool.h>
#if defined _WIN32 && ! defined __CYGWIN__
/* A native Windows platform. */
diff --git a/lib/unicase.in.h b/lib/unicase.in.h
index 9bcc79edd8..5317cd3dd8 100644
--- a/lib/unicase.in.h
+++ b/lib/unicase.in.h
@@ -27,9 +27,6 @@
#include "unitypes.h"
-/* Get bool. */
-#include <stdbool.h>
-
/* Get size_t. */
#include <stddef.h>
diff --git a/lib/unicase/caseprop.h b/lib/unicase/caseprop.h
index 3223ee4d7a..e599a3f1ce 100644
--- a/lib/unicase/caseprop.h
+++ b/lib/unicase/caseprop.h
@@ -23,7 +23,6 @@
License and of the GNU General Public License along with this
program. If not, see <https://www.gnu.org/licenses/>. */
-#include <stdbool.h>
#include "unitypes.h"
/* Determine whether a character is "cased" according to the Unicode Standard,
diff --git a/lib/unicase/invariant.h b/lib/unicase/invariant.h
index 67a13b70f4..c8b9319bba 100644
--- a/lib/unicase/invariant.h
+++ b/lib/unicase/invariant.h
@@ -23,7 +23,6 @@
License and of the GNU General Public License along with this
program. If not, see <https://www.gnu.org/licenses/>. */
-#include <stdbool.h>
#include <stddef.h>
#include "unitypes.h"
diff --git a/lib/unicase/u16-casemap.c b/lib/unicase/u16-casemap.c
index b79b5b3246..ecbaa82c28 100644
--- a/lib/unicase/u16-casemap.c
+++ b/lib/unicase/u16-casemap.c
@@ -29,7 +29,6 @@
#include "unicasemap.h"
#include <errno.h>
-#include <stdbool.h>
#include <stdlib.h>
#include "unistr.h"
diff --git a/lib/unicase/u16-ct-totitle.c b/lib/unicase/u16-ct-totitle.c
index bda283d3de..ce52c70469 100644
--- a/lib/unicase/u16-ct-totitle.c
+++ b/lib/unicase/u16-ct-totitle.c
@@ -29,7 +29,6 @@
#include "unicase.h"
#include <errno.h>
-#include <stdbool.h>
#include <stddef.h>
#include <stdlib.h>
diff --git a/lib/unicase/u16-is-invariant.c b/lib/unicase/u16-is-invariant.c
index 6d95b197a8..a465657672 100644
--- a/lib/unicase/u16-is-invariant.c
+++ b/lib/unicase/u16-is-invariant.c
@@ -29,7 +29,6 @@
#include "unicase/invariant.h"
#include <errno.h>
-#include <stdbool.h>
#include <stdlib.h>
#include "uninorm.h"
diff --git a/lib/unicase/u32-casemap.c b/lib/unicase/u32-casemap.c
index a56efeb95f..280bac9ba1 100644
--- a/lib/unicase/u32-casemap.c
+++ b/lib/unicase/u32-casemap.c
@@ -29,7 +29,6 @@
#include "unicasemap.h"
#include <errno.h>
-#include <stdbool.h>
#include <stdlib.h>
#include "unistr.h"
diff --git a/lib/unicase/u32-ct-totitle.c b/lib/unicase/u32-ct-totitle.c
index 0bd168305b..9786d35238 100644
--- a/lib/unicase/u32-ct-totitle.c
+++ b/lib/unicase/u32-ct-totitle.c
@@ -29,7 +29,6 @@
#include "unicase.h"
#include <errno.h>
-#include <stdbool.h>
#include <stddef.h>
#include <stdlib.h>
diff --git a/lib/unicase/u32-is-invariant.c b/lib/unicase/u32-is-invariant.c
index 3a28ff0950..f46b2d0e01 100644
--- a/lib/unicase/u32-is-invariant.c
+++ b/lib/unicase/u32-is-invariant.c
@@ -29,7 +29,6 @@
#include "unicase/invariant.h"
#include <errno.h>
-#include <stdbool.h>
#include <stdlib.h>
#include "uninorm.h"
diff --git a/lib/unicase/u8-casemap.c b/lib/unicase/u8-casemap.c
index fb5a66cff5..1dbac0bfff 100644
--- a/lib/unicase/u8-casemap.c
+++ b/lib/unicase/u8-casemap.c
@@ -29,7 +29,6 @@
#include "unicasemap.h"
#include <errno.h>
-#include <stdbool.h>
#include <stdlib.h>
#include "unistr.h"
diff --git a/lib/unicase/u8-ct-totitle.c b/lib/unicase/u8-ct-totitle.c
index c51f4dad1c..787d5ab8b4 100644
--- a/lib/unicase/u8-ct-totitle.c
+++ b/lib/unicase/u8-ct-totitle.c
@@ -29,7 +29,6 @@
#include "unicase.h"
#include <errno.h>
-#include <stdbool.h>
#include <stddef.h>
#include <stdlib.h>
diff --git a/lib/unicase/u8-is-invariant.c b/lib/unicase/u8-is-invariant.c
index dd9fa63d22..57c72a5973 100644
--- a/lib/unicase/u8-is-invariant.c
+++ b/lib/unicase/u8-is-invariant.c
@@ -29,7 +29,6 @@
#include "unicase/invariant.h"
#include <errno.h>
-#include <stdbool.h>
#include <stdlib.h>
#include "uninorm.h"
diff --git a/lib/unictype.in.h b/lib/unictype.in.h
index 2f0efefca8..de6a191d87 100644
--- a/lib/unictype.in.h
+++ b/lib/unictype.in.h
@@ -19,9 +19,6 @@
#include "unitypes.h"
-/* Get bool. */
-#include <stdbool.h>
-
/* Get size_t. */
#include <stddef.h>
diff --git a/lib/unigbrk.in.h b/lib/unigbrk.in.h
index f1b60e17b9..7fbc2a0d57 100644
--- a/lib/unigbrk.in.h
+++ b/lib/unigbrk.in.h
@@ -26,9 +26,6 @@
#ifndef _UNIGBRK_H
#define _UNIGBRK_H
-/* Get bool. */
-#include <stdbool.h>
-
/* Get size_t. */
#include <stddef.h>
diff --git a/lib/unigbrk/u16-grapheme-breaks.c b/lib/unigbrk/u16-grapheme-breaks.c
index 850f6affa9..439397471d 100644
--- a/lib/unigbrk/u16-grapheme-breaks.c
+++ b/lib/unigbrk/u16-grapheme-breaks.c
@@ -28,7 +28,6 @@
/* Specification. */
#include "unigbrk.h"
-#include <stdbool.h>
#include <string.h>
#include "unictype.h"
diff --git a/lib/unigbrk/u32-grapheme-breaks.c b/lib/unigbrk/u32-grapheme-breaks.c
index ecb0e3f5c6..927955845d 100644
--- a/lib/unigbrk/u32-grapheme-breaks.c
+++ b/lib/unigbrk/u32-grapheme-breaks.c
@@ -28,7 +28,6 @@
/* Specification. */
#include "unigbrk.h"
-#include <stdbool.h>
#include <string.h>
#include "unictype.h"
diff --git a/lib/unigbrk/u8-grapheme-breaks.c b/lib/unigbrk/u8-grapheme-breaks.c
index dfbf3f1ef9..b21ba262ba 100644
--- a/lib/unigbrk/u8-grapheme-breaks.c
+++ b/lib/unigbrk/u8-grapheme-breaks.c
@@ -29,7 +29,6 @@
/* Specification. */
#include "unigbrk.h"
-#include <stdbool.h>
#include <string.h>
#include "unictype.h"
diff --git a/lib/unigbrk/uc-grapheme-breaks.c b/lib/unigbrk/uc-grapheme-breaks.c
index 9c7c6f78ef..73130a5969 100644
--- a/lib/unigbrk/uc-grapheme-breaks.c
+++ b/lib/unigbrk/uc-grapheme-breaks.c
@@ -28,7 +28,6 @@
/* Specification. */
#include "unigbrk.h"
-#include <stdbool.h>
#include <string.h>
#include "unictype.h"
diff --git a/lib/uniname/uniname.c b/lib/uniname/uniname.c
index 9842bec292..000b00fe26 100644
--- a/lib/uniname/uniname.c
+++ b/lib/uniname/uniname.c
@@ -28,7 +28,6 @@
#include "uniname.h"
#include <assert.h>
-#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
diff --git a/lib/unistr.in.h b/lib/unistr.in.h
index 4d48751558..40c7929575 100644
--- a/lib/unistr.in.h
+++ b/lib/unistr.in.h
@@ -19,9 +19,6 @@
#include "unitypes.h"
-/* Get bool. */
-#include <stdbool.h>
-
/* Get size_t, ptrdiff_t. */
#include <stddef.h>
diff --git a/lib/unlinkdir.h b/lib/unlinkdir.h
index 5086b9d5ad..8cf84b7b4c 100644
--- a/lib/unlinkdir.h
+++ b/lib/unlinkdir.h
@@ -17,8 +17,6 @@
/* Written by Paul Eggert and Jim Meyering. */
-#include <stdbool.h>
-
#if UNLINK_CANNOT_UNLINK_DIR
# define cannot_unlink_dir() true
#else
diff --git a/lib/userspec.h b/lib/userspec.h
index 7d5d063e7e..2f790f7c84 100644
--- a/lib/userspec.h
+++ b/lib/userspec.h
@@ -19,7 +19,6 @@
#ifndef USERSPEC_H
# define USERSPEC_H 1
-# include <stdbool.h>
# include <sys/types.h>
char const *
diff --git a/lib/utime.c b/lib/utime.c
index 799be0faab..e8aae9ef9f 100644
--- a/lib/utime.c
+++ b/lib/utime.c
@@ -24,7 +24,6 @@
#if defined _WIN32 && ! defined __CYGWIN__
# include <errno.h>
-# include <stdbool.h>
# include <windows.h>
# include "filename.h"
# include "malloca.h"
diff --git a/lib/utimecmp.c b/lib/utimecmp.c
index 3c00128724..7312ee0b88 100644
--- a/lib/utimecmp.c
+++ b/lib/utimecmp.c
@@ -23,7 +23,6 @@
#include <fcntl.h>
#include <limits.h>
-#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>
#include <sys/stat.h>
diff --git a/lib/utimens.c b/lib/utimens.c
index 2fa1251850..23b9180935 100644
--- a/lib/utimens.c
+++ b/lib/utimens.c
@@ -26,7 +26,6 @@
#include <errno.h>
#include <fcntl.h>
-#include <stdbool.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/time.h>
diff --git a/lib/wait-process.h b/lib/wait-process.h
index 61bdf13031..008eaa9ca3 100644
--- a/lib/wait-process.h
+++ b/lib/wait-process.h
@@ -23,8 +23,6 @@
#include <unistd.h>
#include <sys/types.h>
-#include <stdbool.h>
-
#ifdef __cplusplus
extern "C" {
diff --git a/lib/windows-cond.c b/lib/windows-cond.c
index f1abb5f2f0..8185b424bc 100644
--- a/lib/windows-cond.c
+++ b/lib/windows-cond.c
@@ -23,7 +23,6 @@
#include "windows-cond.h"
#include <errno.h>
-#include <stdbool.h>
#include <stdlib.h>
#include <sys/time.h>
diff --git a/lib/windows-spawn.c b/lib/windows-spawn.c
index e81fc168cf..dcda62123e 100644
--- a/lib/windows-spawn.c
+++ b/lib/windows-spawn.c
@@ -24,7 +24,6 @@
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
diff --git a/lib/windows-spawn.h b/lib/windows-spawn.h
index 1e42d80d21..2081fe4204 100644
--- a/lib/windows-spawn.h
+++ b/lib/windows-spawn.h
@@ -18,7 +18,6 @@
#ifndef _WINDOWS_SPAWN_H
#define _WINDOWS_SPAWN_H
-#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>
diff --git a/lib/windows-timedrwlock.c b/lib/windows-timedrwlock.c
index 1bc86d3cf9..8036716dde 100644
--- a/lib/windows-timedrwlock.c
+++ b/lib/windows-timedrwlock.c
@@ -22,7 +22,6 @@
#include "windows-timedrwlock.h"
#include <errno.h>
-#include <stdbool.h>
#include <stdlib.h>
#include <sys/time.h>
diff --git a/lib/write-any-file.h b/lib/write-any-file.h
index b229eb950a..3e06a6b07b 100644
--- a/lib/write-any-file.h
+++ b/lib/write-any-file.h
@@ -15,6 +15,4 @@
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
-#include <stdbool.h>
-
bool can_write_any_file (void);
diff --git a/lib/xbinary-io.c b/lib/xbinary-io.c
index fdc89ab5b9..159b79f2ab 100644
--- a/lib/xbinary-io.c
+++ b/lib/xbinary-io.c
@@ -21,7 +21,6 @@
#include <errno.h>
#include <error.h>
-#include <stdbool.h>
#include "exitfail.h"
#include "verify.h"
diff --git a/lib/xstrtod.h b/lib/xstrtod.h
index 78beefa362..9f38326531 100644
--- a/lib/xstrtod.h
+++ b/lib/xstrtod.h
@@ -21,8 +21,6 @@
#ifndef XSTRTOD_H
# define XSTRTOD_H 1
-# include <stdbool.h>
-
bool xstrtod (const char *str, const char **ptr, double *result,
double (*convert) (char const *, char **));
bool xstrtold (const char *str, const char **ptr, long double *result,
diff --git a/lib/yesno.h b/lib/yesno.h
index 1018d72c15..abcfaab76b 100644
--- a/lib/yesno.h
+++ b/lib/yesno.h
@@ -17,8 +17,6 @@
#ifndef YESNO_H_
# define YESNO_H_
-# include <stdbool.h>
-
bool yesno (void);
#endif
diff --git a/modules/acl b/modules/acl
index a0a5e459f1..1a3a14e6c2 100644
--- a/modules/acl
+++ b/modules/acl
@@ -11,7 +11,6 @@ gettext-h
qcopy-acl
qset-acl
quote
-stdbool
configure.ac:
diff --git a/modules/argp b/modules/argp
index 85eefe2b14..74519a4b86 100644
--- a/modules/argp
+++ b/modules/argp
@@ -32,6 +32,7 @@ extensions
vsnprintf
sleep
stdalign
+stdbool
stdio
strerror
memchr
diff --git a/modules/bitset b/modules/bitset
index 8c9cb7cc89..1f2a232512 100644
--- a/modules/bitset
+++ b/modules/bitset
@@ -24,6 +24,7 @@ fopen-gnu
gettext-h
integer_length_l
obstack
+stdbool
xalloc
configure.ac:
diff --git a/modules/diffseq b/modules/diffseq
index 7591521ed9..d77778ba15 100644
--- a/modules/diffseq
+++ b/modules/diffseq
@@ -6,6 +6,7 @@ lib/diffseq.h
Depends-on:
c99
+stdbool
configure.ac:
diff --git a/modules/file-has-acl b/modules/file-has-acl
index c41cde1d4b..c5f7b27364 100644
--- a/modules/file-has-acl
+++ b/modules/file-has-acl
@@ -10,6 +10,7 @@ Depends-on:
acl-permissions
free-posix
stat
+stdbool
configure.ac:
gl_FILE_HAS_ACL
diff --git a/modules/gen-uni-tables b/modules/gen-uni-tables
index b384471fa1..c1c1045f68 100644
--- a/modules/gen-uni-tables
+++ b/modules/gen-uni-tables
@@ -9,6 +9,7 @@ lib/unictype/3levelbit.h
Depends-on:
memcmp
+stdbool
strdup
strstr-simple
diff --git a/modules/getrandom b/modules/getrandom
index cb4317e9f7..fa468ed7f3 100644
--- a/modules/getrandom
+++ b/modules/getrandom
@@ -9,6 +9,7 @@ Depends-on:
sys_random
fcntl-h [test $HAVE_GETRANDOM = 0 || test $REPLACE_GETRANDOM = 1]
minmax [test $HAVE_GETRANDOM = 0 || test $REPLACE_GETRANDOM = 1]
+stdbool [test $HAVE_GETRANDOM = 0 || test $REPLACE_GETRANDOM = 1]
open [case $host_os in mingw*) false;; *) test $HAVE_GETRANDOM = 0 || test $REPLACE_GETRANDOM = 1;; esac]
configure.ac:
diff --git a/modules/hash-triple-simple b/modules/hash-triple-simple
index 1ef3209d78..ebb46ee4ad 100644
--- a/modules/hash-triple-simple
+++ b/modules/hash-triple-simple
@@ -8,6 +8,7 @@ lib/hash-triple.h
Depends-on:
hash-pjw
same-inode
+stdbool
configure.ac:
diff --git a/modules/posix_spawn-internal b/modules/posix_spawn-internal
index 9dfe24cc66..34a4aaa5f0 100644
--- a/modules/posix_spawn-internal
+++ b/modules/posix_spawn-internal
@@ -20,6 +20,7 @@ concat-filename [test $HAVE_POSIX_SPAWN = 0]
findprog-in [test $HAVE_POSIX_SPAWN = 0]
free-posix [test $HAVE_POSIX_SPAWN = 0]
malloca [test $HAVE_POSIX_SPAWN = 0]
+stdbool [test $HAVE_POSIX_SPAWN = 0]
windows-spawn [test $HAVE_POSIX_SPAWN = 0]
configure.ac:
diff --git a/modules/strcasestr b/modules/strcasestr
index ed7b327ec2..d752ec9ccd 100644
--- a/modules/strcasestr
+++ b/modules/strcasestr
@@ -5,6 +5,7 @@ Files:
lib/strcasestr.c
Depends-on:
+stdbool
strcasestr-simple
configure.ac:
diff --git a/modules/supersede b/modules/supersede
index 4dbe887648..70f3fdc482 100644
--- a/modules/supersede
+++ b/modules/supersede
@@ -9,6 +9,7 @@ m4/supersede.m4
Depends-on:
c99
fcntl-h
+stdbool
sys_stat
clean-temp
tempname
diff --git a/modules/system-quote b/modules/system-quote
index 9af74dca50..b704684dfb 100644
--- a/modules/system-quote
+++ b/modules/system-quote
@@ -7,6 +7,7 @@ lib/system-quote.c
Depends-on:
sh-quote
+stdbool
xalloc
configure.ac:
diff --git a/modules/uniconv/base b/modules/uniconv/base
index 9f059498c4..5d0560895a 100644
--- a/modules/uniconv/base
+++ b/modules/uniconv/base
@@ -10,6 +10,7 @@ m4/libunistring-base.m4
Depends-on:
gen-header
+stdbool
unitypes
configure.ac:
diff --git a/modules/uniname/uniname b/modules/uniname/uniname
index b35437d314..72f485d325 100644
--- a/modules/uniname/uniname
+++ b/modules/uniname/uniname
@@ -10,6 +10,7 @@ Depends-on:
uniname/base
attribute
memcmp
+stdbool
c99
configure.ac:
diff --git a/modules/utime b/modules/utime
index f09e57346d..b61c26a0f8 100644
--- a/modules/utime
+++ b/modules/utime
@@ -11,6 +11,7 @@ time
filename [test $HAVE_UTIME = 0 || test $REPLACE_UTIME = 1]
malloca [test $HAVE_UTIME = 0 || test $REPLACE_UTIME = 1]
stat [test $HAVE_UTIME = 0 || test $REPLACE_UTIME = 1]
+stdbool [test $HAVE_UTIME = 0 || test $REPLACE_UTIME = 1]
configure.ac:
gl_FUNC_UTIME
diff --git a/modules/windows-timedrwlock b/modules/windows-timedrwlock
index f9469b159d..466e7339b1 100644
--- a/modules/windows-timedrwlock
+++ b/modules/windows-timedrwlock
@@ -8,6 +8,7 @@ lib/windows-initguard.h
Depends-on:
errno
+stdbool
time
gettimeofday
diff --git a/modules/xgetcwd b/modules/xgetcwd
index 21cef522cf..9660d4fb2d 100644
--- a/modules/xgetcwd
+++ b/modules/xgetcwd
@@ -9,7 +9,6 @@ m4/xgetcwd.m4
Depends-on:
getcwd
xalloc
-stdbool
configure.ac:
gl_XGETCWD
diff --git a/tests/nap.h b/tests/nap.h
index 22c5933f97..1320d2f8f8 100644
--- a/tests/nap.h
+++ b/tests/nap.h
@@ -20,7 +20,6 @@
# define GLTEST_NAP_H
# include <limits.h>
-# include <stdbool.h>
# include <intprops.h>
diff --git a/tests/qemu.h b/tests/qemu.h
index e1e6a6101b..0974573d89 100644
--- a/tests/qemu.h
+++ b/tests/qemu.h
@@ -16,7 +16,6 @@
/* Written by Bruno Haible <bruno@clisp.org>, 2021. */
-#include <stdbool.h>
#ifdef __linux__
# include <fcntl.h>
# include <string.h>
diff --git a/tests/test-areadlink-with-size.c b/tests/test-areadlink-with-size.c
index eb22880b15..a820874f9e 100644
--- a/tests/test-areadlink-with-size.c
+++ b/tests/test-areadlink-with-size.c
@@ -22,7 +22,6 @@
#include <fcntl.h>
#include <errno.h>
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
diff --git a/tests/test-areadlink.c b/tests/test-areadlink.c
index 0a417ac907..59b3cdf594 100644
--- a/tests/test-areadlink.c
+++ b/tests/test-areadlink.c
@@ -22,7 +22,6 @@
#include <fcntl.h>
#include <errno.h>
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
diff --git a/tests/test-areadlinkat-with-size.c b/tests/test-areadlinkat-with-size.c
index a722a6985d..cf71d66782 100644
--- a/tests/test-areadlinkat-with-size.c
+++ b/tests/test-areadlinkat-with-size.c
@@ -22,7 +22,6 @@
#include <fcntl.h>
#include <errno.h>
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
diff --git a/tests/test-areadlinkat.c b/tests/test-areadlinkat.c
index d947f4e5ee..b4959f0758 100644
--- a/tests/test-areadlinkat.c
+++ b/tests/test-areadlinkat.c
@@ -22,7 +22,6 @@
#include <fcntl.h>
#include <errno.h>
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
diff --git a/tests/test-base32.c b/tests/test-base32.c
index 1f667f365d..6596620cca 100644
--- a/tests/test-base32.c
+++ b/tests/test-base32.c
@@ -21,7 +21,6 @@
#include "base32.h"
#include <stddef.h>
-#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
diff --git a/tests/test-base64.c b/tests/test-base64.c
index 6ff69a2a7a..31042450b3 100644
--- a/tests/test-base64.c
+++ b/tests/test-base64.c
@@ -20,7 +20,6 @@
#include "base64.h"
#include <stddef.h>
-#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
diff --git a/tests/test-ceil2.c b/tests/test-ceil2.c
index 9b87f39877..1bc08aabf8 100644
--- a/tests/test-ceil2.c
+++ b/tests/test-ceil2.c
@@ -24,7 +24,6 @@
#include <math.h>
#include <float.h>
-#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
diff --git a/tests/test-ceilf2.c b/tests/test-ceilf2.c
index 133c567d90..cc579a7ffe 100644
--- a/tests/test-ceilf2.c
+++ b/tests/test-ceilf2.c
@@ -24,7 +24,6 @@
#include <math.h>
#include <float.h>
-#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
diff --git a/tests/test-chown.c b/tests/test-chown.c
index da5de0fbd0..ec99e40cf0 100644
--- a/tests/test-chown.c
+++ b/tests/test-chown.c
@@ -25,7 +25,6 @@ SIGNATURE_CHECK (chown, int, (char const *, uid_t, gid_t));
#include <fcntl.h>
#include <errno.h>
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
diff --git a/tests/test-dirname.c b/tests/test-dirname.c
index 872da1e20a..33cfe58487 100644
--- a/tests/test-dirname.c
+++ b/tests/test-dirname.c
@@ -18,7 +18,6 @@
#include "dirname.h"
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
diff --git a/tests/test-dup-safer.c b/tests/test-dup-safer.c
index 467351ee7d..329ee033a7 100644
--- a/tests/test-dup-safer.c
+++ b/tests/test-dup-safer.c
@@ -22,7 +22,6 @@
#include <fcntl.h>
#include <errno.h>
-#include <stdbool.h>
#include <stdio.h>
#include <unistd.h>
diff --git a/tests/test-dup3.c b/tests/test-dup3.c
index 0b466cfc8d..87d83c77a1 100644
--- a/tests/test-dup3.c
+++ b/tests/test-dup3.c
@@ -26,7 +26,6 @@ SIGNATURE_CHECK (dup3, int, (int, int, int));
#include <errno.h>
#include <fcntl.h>
-#include <stdbool.h>
#if defined _WIN32 && ! defined __CYGWIN__
/* Get declarations of the native Windows API functions. */
diff --git a/tests/test-exclude.c b/tests/test-exclude.c
index 388b73bb9e..7cce5e5f36 100644
--- a/tests/test-exclude.c
+++ b/tests/test-exclude.c
@@ -20,7 +20,6 @@
#include <stdlib.h>
#include <errno.h>
#include <string.h>
-#include <stdbool.h>
#include <fnmatch.h>
#include "exclude.h"
diff --git a/tests/test-execute-child.c b/tests/test-execute-child.c
index 28e7b71ba1..33ca77c62d 100644
--- a/tests/test-execute-child.c
+++ b/tests/test-execute-child.c
@@ -41,7 +41,6 @@ is_device (int fd)
/* Now include the other header files. */
#include <fcntl.h>
#include <signal.h>
-#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
diff --git a/tests/test-execute-main.c b/tests/test-execute-main.c
index c99bf1adbe..0a2fe327ee 100644
--- a/tests/test-execute-main.c
+++ b/tests/test-execute-main.c
@@ -21,7 +21,6 @@
#include <errno.h>
#include <fcntl.h>
#include <signal.h>
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
diff --git a/tests/test-execute-script.c b/tests/test-execute-script.c
index 065be83cfc..fce1a13086 100644
--- a/tests/test-execute-script.c
+++ b/tests/test-execute-script.c
@@ -18,7 +18,6 @@
#include "execute.h"
-#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
diff --git a/tests/test-explicit_bzero.c b/tests/test-explicit_bzero.c
index 8f06d7f0a5..113f713577 100644
--- a/tests/test-explicit_bzero.c
+++ b/tests/test-explicit_bzero.c
@@ -24,7 +24,6 @@
#include "signature.h"
SIGNATURE_CHECK (explicit_bzero, void, (void *, size_t));
-#include <stdbool.h>
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
diff --git a/tests/test-fchownat.c b/tests/test-fchownat.c
index 4d05dbb6be..2c8cace801 100644
--- a/tests/test-fchownat.c
+++ b/tests/test-fchownat.c
@@ -25,7 +25,6 @@ SIGNATURE_CHECK (fchownat, int, (int, char const *, uid_t, gid_t, int));
#include <fcntl.h>
#include <errno.h>
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
diff --git a/tests/test-fcntl-safer.c b/tests/test-fcntl-safer.c
index 667a68715c..ef4ab75b0a 100644
--- a/tests/test-fcntl-safer.c
+++ b/tests/test-fcntl-safer.c
@@ -21,7 +21,6 @@
#include "fcntl--.h"
#include <errno.h>
-#include <stdbool.h>
#include <stdio.h>
#include <unistd.h>
diff --git a/tests/test-fcntl.c b/tests/test-fcntl.c
index cd7d188204..77ca347972 100644
--- a/tests/test-fcntl.c
+++ b/tests/test-fcntl.c
@@ -27,7 +27,6 @@ SIGNATURE_CHECK (fcntl, int, (int, int, ...));
/* Helpers. */
#include <errno.h>
#include <stdarg.h>
-#include <stdbool.h>
#include <unistd.h>
#if defined _WIN32 && ! defined __CYGWIN__
diff --git a/tests/test-fdutimensat.c b/tests/test-fdutimensat.c
index bed6d85c77..2a2cd2ad90 100644
--- a/tests/test-fdutimensat.c
+++ b/tests/test-fdutimensat.c
@@ -21,7 +21,6 @@
#include "utimens.h"
#include <fcntl.h>
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
diff --git a/tests/test-filenamecat.c b/tests/test-filenamecat.c
index d05f5cd48c..c5e4275cf9 100644
--- a/tests/test-filenamecat.c
+++ b/tests/test-filenamecat.c
@@ -23,7 +23,6 @@
#include "idx.h"
-#include <stdbool.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
diff --git a/tests/test-floor2.c b/tests/test-floor2.c
index f68aed5431..fc6832e1d0 100644
--- a/tests/test-floor2.c
+++ b/tests/test-floor2.c
@@ -24,7 +24,6 @@
#include <math.h>
#include <float.h>
-#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
diff --git a/tests/test-floorf2.c b/tests/test-floorf2.c
index b617d0f17c..9aaabf5b12 100644
--- a/tests/test-floorf2.c
+++ b/tests/test-floorf2.c
@@ -24,7 +24,6 @@
#include <math.h>
#include <float.h>
-#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
diff --git a/tests/test-fstatat.c b/tests/test-fstatat.c
index 01aabf7c65..a534fc103c 100644
--- a/tests/test-fstatat.c
+++ b/tests/test-fstatat.c
@@ -25,7 +25,6 @@ SIGNATURE_CHECK (fstatat, int, (int, char const *, struct stat *, int));
#include <fcntl.h>
#include <errno.h>
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
diff --git a/tests/test-fstrcmp.c b/tests/test-fstrcmp.c
index 48522cd22e..a46b106f01 100644
--- a/tests/test-fstrcmp.c
+++ b/tests/test-fstrcmp.c
@@ -20,7 +20,6 @@
#include "fstrcmp.h"
-#include <stdbool.h>
#include "macros.h"
diff --git a/tests/test-futimens.c b/tests/test-futimens.c
index 4680d6639d..ac009eba42 100644
--- a/tests/test-futimens.c
+++ b/tests/test-futimens.c
@@ -25,7 +25,6 @@ SIGNATURE_CHECK (futimens, int, (int, struct timespec const[2]));
#include <fcntl.h>
#include <errno.h>
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
diff --git a/tests/test-getlogin.h b/tests/test-getlogin.h
index fcc7741f12..94cbc61823 100644
--- a/tests/test-getlogin.h
+++ b/tests/test-getlogin.h
@@ -18,7 +18,6 @@
#include <errno.h>
#include <stdio.h>
-#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
diff --git a/tests/test-getopt.h b/tests/test-getopt.h
index 8538f63170..a7ac4a5541 100644
--- a/tests/test-getopt.h
+++ b/tests/test-getopt.h
@@ -16,7 +16,6 @@
/* Written by Bruno Haible <bruno@clisp.org>, 2009. */
-#include <stdbool.h>
/* The glibc/gnulib implementation of getopt supports setting optind =
0, but not all other implementations do. This matters for getopt.
diff --git a/tests/test-hard-locale.c b/tests/test-hard-locale.c
index 004e14aaf4..8570bc61ba 100644
--- a/tests/test-hard-locale.c
+++ b/tests/test-hard-locale.c
@@ -21,7 +21,6 @@
#include "hard-locale.h"
#include <locale.h>
-#include <stdbool.h>
#include <stdio.h>
#include <string.h>
diff --git a/tests/test-hash.c b/tests/test-hash.c
index 5e36f83053..f8b404392e 100644
--- a/tests/test-hash.c
+++ b/tests/test-hash.c
@@ -23,7 +23,6 @@
#include <stdio.h>
#include <stdlib.h>
-#include <stdbool.h>
#include <string.h>
#include <unistd.h>
diff --git a/tests/test-idpriv-drop.c b/tests/test-idpriv-drop.c
index 6176be0caa..d66ef939d4 100644
--- a/tests/test-idpriv-drop.c
+++ b/tests/test-idpriv-drop.c
@@ -18,7 +18,6 @@
#include "idpriv.h"
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
diff --git a/tests/test-idpriv-droptemp.c b/tests/test-idpriv-droptemp.c
index d121075959..101747bc35 100644
--- a/tests/test-idpriv-droptemp.c
+++ b/tests/test-idpriv-droptemp.c
@@ -18,7 +18,6 @@
#include "idpriv.h"
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
diff --git a/tests/test-immutable.c b/tests/test-immutable.c
index b8243ae540..01afcc5bea 100644
--- a/tests/test-immutable.c
+++ b/tests/test-immutable.c
@@ -21,7 +21,6 @@
#include "immutable.h"
#include <signal.h>
-#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
diff --git a/tests/test-intprops.c b/tests/test-intprops.c
index a46e9c5e4a..84265ea3f2 100644
--- a/tests/test-intprops.c
+++ b/tests/test-intprops.c
@@ -37,7 +37,6 @@
#endif
#include "verify.h"
-#include <stdbool.h>
#include <inttypes.h>
#include <limits.h>
diff --git a/tests/test-lchown.c b/tests/test-lchown.c
index e8c8fa4b66..13eee846ac 100644
--- a/tests/test-lchown.c
+++ b/tests/test-lchown.c
@@ -25,7 +25,6 @@ SIGNATURE_CHECK (lchown, int, (char const *, uid_t, gid_t));
#include <fcntl.h>
#include <errno.h>
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
diff --git a/tests/test-link.c b/tests/test-link.c
index 8500c036cc..fa654dc274 100644
--- a/tests/test-link.c
+++ b/tests/test-link.c
@@ -23,7 +23,6 @@ SIGNATURE_CHECK (link, int, (char const *, char const *));
#include <errno.h>
#include <fcntl.h>
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
diff --git a/tests/test-linkat.c b/tests/test-linkat.c
index 1b4eee430c..3ef2312107 100644
--- a/tests/test-linkat.c
+++ b/tests/test-linkat.c
@@ -25,7 +25,6 @@ SIGNATURE_CHECK (linkat, int, (int, char const *, int, char const *, int));
#include <fcntl.h>
#include <errno.h>
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
diff --git a/tests/test-lstat.c b/tests/test-lstat.c
index 46c2683b48..c35d41cbb1 100644
--- a/tests/test-lstat.c
+++ b/tests/test-lstat.c
@@ -29,7 +29,6 @@ SIGNATURE_CHECK (lstat, int, (char const *, struct stat *));
#include <fcntl.h>
#include <errno.h>
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
diff --git a/tests/test-mbmemcasecmp.c b/tests/test-mbmemcasecmp.c
index d275750d73..633453d8db 100644
--- a/tests/test-mbmemcasecmp.c
+++ b/tests/test-mbmemcasecmp.c
@@ -21,7 +21,6 @@
#include "mbmemcasecmp.h"
#include <locale.h>
-#include <stdbool.h>
#include <string.h>
#include "macros.h"
diff --git a/tests/test-mbmemcasecoll.c b/tests/test-mbmemcasecoll.c
index 1ecd19446c..c17ddbb153 100644
--- a/tests/test-mbmemcasecoll.c
+++ b/tests/test-mbmemcasecoll.c
@@ -21,7 +21,6 @@
#include "mbmemcasecoll.h"
#include <locale.h>
-#include <stdbool.h>
#include <string.h>
#include "macros.h"
diff --git a/tests/test-mkdir.c b/tests/test-mkdir.c
index 26450520bc..0d0520dafe 100644
--- a/tests/test-mkdir.c
+++ b/tests/test-mkdir.c
@@ -25,7 +25,6 @@ SIGNATURE_CHECK (mkdir, int, (char const *, mode_t));
#include <fcntl.h>
#include <errno.h>
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
diff --git a/tests/test-mkdirat.c b/tests/test-mkdirat.c
index 6a538bffd4..446f81967c 100644
--- a/tests/test-mkdirat.c
+++ b/tests/test-mkdirat.c
@@ -25,7 +25,6 @@ SIGNATURE_CHECK (mkdirat, int, (int, char const *, mode_t));
#include <fcntl.h>
#include <errno.h>
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
diff --git a/tests/test-mkfifo.c b/tests/test-mkfifo.c
index 6be6d10691..c31809961d 100644
--- a/tests/test-mkfifo.c
+++ b/tests/test-mkfifo.c
@@ -25,7 +25,6 @@ SIGNATURE_CHECK (mkfifo, int, (char const *, mode_t));
#include <fcntl.h>
#include <errno.h>
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
diff --git a/tests/test-mkfifoat.c b/tests/test-mkfifoat.c
index 2fcb03045e..38a933c8e3 100644
--- a/tests/test-mkfifoat.c
+++ b/tests/test-mkfifoat.c
@@ -26,7 +26,6 @@ SIGNATURE_CHECK (mknodat, int, (int, char const *, mode_t, dev_t));
#include <fcntl.h>
#include <errno.h>
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
diff --git a/tests/test-mknod.c b/tests/test-mknod.c
index b8fac29bc7..314bc61fe7 100644
--- a/tests/test-mknod.c
+++ b/tests/test-mknod.c
@@ -25,7 +25,6 @@ SIGNATURE_CHECK (mknod, int, (char const *, mode_t, dev_t));
#include <fcntl.h>
#include <errno.h>
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
diff --git a/tests/test-nonblocking-pipe-child.c b/tests/test-nonblocking-pipe-child.c
index 53704c72ef..cced8dc0e4 100644
--- a/tests/test-nonblocking-pipe-child.c
+++ b/tests/test-nonblocking-pipe-child.c
@@ -18,7 +18,6 @@
#include <config.h>
#include <errno.h>
-#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
diff --git a/tests/test-nonblocking-pipe-main.c b/tests/test-nonblocking-pipe-main.c
index 09cf80425d..e8e92980b1 100644
--- a/tests/test-nonblocking-pipe-main.c
+++ b/tests/test-nonblocking-pipe-main.c
@@ -18,7 +18,6 @@
#include <config.h>
#include <errno.h>
-#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
diff --git a/tests/test-nonblocking-socket-child.c b/tests/test-nonblocking-socket-child.c
index f7d52715a8..640fc5d3c8 100644
--- a/tests/test-nonblocking-socket-child.c
+++ b/tests/test-nonblocking-socket-child.c
@@ -18,7 +18,6 @@
#include <config.h>
#include <errno.h>
-#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
diff --git a/tests/test-nonblocking-socket-main.c b/tests/test-nonblocking-socket-main.c
index e40dda3e58..4008c733db 100644
--- a/tests/test-nonblocking-socket-main.c
+++ b/tests/test-nonblocking-socket-main.c
@@ -18,7 +18,6 @@
#include <config.h>
#include <errno.h>
-#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
diff --git a/tests/test-open.c b/tests/test-open.c
index 3812bac0ba..d7c5a0869d 100644
--- a/tests/test-open.c
+++ b/tests/test-open.c
@@ -24,7 +24,6 @@
SIGNATURE_CHECK (open, int, (char const *, int, ...));
#include <errno.h>
-#include <stdbool.h>
#include <stdio.h>
#include <unistd.h>
diff --git a/tests/test-openat.c b/tests/test-openat.c
index 3571fcc397..5502bdd98a 100644
--- a/tests/test-openat.c
+++ b/tests/test-openat.c
@@ -25,7 +25,6 @@ SIGNATURE_CHECK (openat, int, (int, char const *, int, ...));
#include <errno.h>
#include <stdarg.h>
-#include <stdbool.h>
#include <stdio.h>
#include <unistd.h>
diff --git a/tests/test-pipe.c b/tests/test-pipe.c
index e0d5bd50fe..0525f7d49e 100644
--- a/tests/test-pipe.c
+++ b/tests/test-pipe.c
@@ -22,7 +22,6 @@
SIGNATURE_CHECK (pipe, int, (int[2]));
#include <fcntl.h>
-#include <stdbool.h>
#if defined _WIN32 && ! defined __CYGWIN__
/* Get declarations of the native Windows API functions. */
diff --git a/tests/test-pipe2.c b/tests/test-pipe2.c
index 7ed9208dec..b5c641a9da 100644
--- a/tests/test-pipe2.c
+++ b/tests/test-pipe2.c
@@ -22,7 +22,6 @@
SIGNATURE_CHECK (pipe2, int, (int[2], int));
#include <fcntl.h>
-#include <stdbool.h>
#if defined _WIN32 && ! defined __CYGWIN__
/* Get declarations of the native Windows API functions. */
diff --git a/tests/test-poll.c b/tests/test-poll.c
index bc3ab104b4..6edaeb33a0 100644
--- a/tests/test-poll.c
+++ b/tests/test-poll.c
@@ -31,7 +31,6 @@ SIGNATURE_CHECK (poll, int, (struct pollfd[], nfds_t, int));
#include <arpa/inet.h>
#include <fcntl.h>
#include <stdlib.h>
-#include <stdbool.h>
#include <sys/ioctl.h>
#include <errno.h>
diff --git a/tests/test-posix_spawn-chdir.c b/tests/test-posix_spawn-chdir.c
index 2e76c30197..044acaf220 100644
--- a/tests/test-posix_spawn-chdir.c
+++ b/tests/test-posix_spawn-chdir.c
@@ -23,7 +23,6 @@
#include <errno.h>
#include <fcntl.h>
#include <signal.h>
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
diff --git a/tests/test-posix_spawn-dup2-stdin.c b/tests/test-posix_spawn-dup2-stdin.c
index 9d3f069132..506fdf37b9 100644
--- a/tests/test-posix_spawn-dup2-stdin.c
+++ b/tests/test-posix_spawn-dup2-stdin.c
@@ -23,7 +23,6 @@
#include <errno.h>
#include <fcntl.h>
#include <signal.h>
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
diff --git a/tests/test-posix_spawn-dup2-stdout.c b/tests/test-posix_spawn-dup2-stdout.c
index 25d96ee138..52a36fc81a 100644
--- a/tests/test-posix_spawn-dup2-stdout.c
+++ b/tests/test-posix_spawn-dup2-stdout.c
@@ -45,7 +45,6 @@ SIGNATURE_CHECK (posix_spawn_file_actions_adddup2, int,
#include <errno.h>
#include <fcntl.h>
#include <signal.h>
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
diff --git a/tests/test-posix_spawn-fchdir.c b/tests/test-posix_spawn-fchdir.c
index 2236e68c89..54442f0d02 100644
--- a/tests/test-posix_spawn-fchdir.c
+++ b/tests/test-posix_spawn-fchdir.c
@@ -23,7 +23,6 @@
#include <errno.h>
#include <fcntl.h>
#include <signal.h>
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
diff --git a/tests/test-posix_spawn-open1.c b/tests/test-posix_spawn-open1.c
index bce851d0c6..df4eb8917f 100644
--- a/tests/test-posix_spawn-open1.c
+++ b/tests/test-posix_spawn-open1.c
@@ -31,7 +31,6 @@ SIGNATURE_CHECK (posix_spawn, int, (pid_t *, char const *,
#include <errno.h>
#include <fcntl.h>
#include <signal.h>
-#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
diff --git a/tests/test-posix_spawn-open2.c b/tests/test-posix_spawn-open2.c
index 809b85b5f1..127d7a0b37 100644
--- a/tests/test-posix_spawn-open2.c
+++ b/tests/test-posix_spawn-open2.c
@@ -25,7 +25,6 @@
#include <errno.h>
#include <fcntl.h>
#include <signal.h>
-#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
diff --git a/tests/test-quotearg-simple.c b/tests/test-quotearg-simple.c
index b07b715929..8999d04b41 100644
--- a/tests/test-quotearg-simple.c
+++ b/tests/test-quotearg-simple.c
@@ -21,7 +21,6 @@
#include "quotearg.h"
#include <ctype.h>
-#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
diff --git a/tests/test-quotearg.c b/tests/test-quotearg.c
index 12bab8cdba..a6c2c7a740 100644
--- a/tests/test-quotearg.c
+++ b/tests/test-quotearg.c
@@ -21,7 +21,6 @@
#include "quotearg.h"
#include <locale.h>
-#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
diff --git a/tests/test-readlink.c b/tests/test-readlink.c
index 3516129845..a722e048aa 100644
--- a/tests/test-readlink.c
+++ b/tests/test-readlink.c
@@ -25,7 +25,6 @@ SIGNATURE_CHECK (readlink, ssize_t, (char const *, char *, size_t));
#include <fcntl.h>
#include <errno.h>
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
diff --git a/tests/test-readlinkat.c b/tests/test-readlinkat.c
index 64e8f22469..c084f3ea32 100644
--- a/tests/test-readlinkat.c
+++ b/tests/test-readlinkat.c
@@ -25,7 +25,6 @@ SIGNATURE_CHECK (readlinkat, ssize_t, (int, char const *, char *, size_t));
#include <fcntl.h>
#include <errno.h>
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
diff --git a/tests/test-readtokens.c b/tests/test-readtokens.c
index ad745743c4..472dbe6ca0 100644
--- a/tests/test-readtokens.c
+++ b/tests/test-readtokens.c
@@ -15,7 +15,6 @@
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#include <config.h>
-#include <stdbool.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
diff --git a/tests/test-rename.c b/tests/test-rename.c
index 0e743f5510..a87c3fb3eb 100644
--- a/tests/test-rename.c
+++ b/tests/test-rename.c
@@ -24,7 +24,6 @@ SIGNATURE_CHECK (rename, int, (char const *, char const *));
#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
-#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
diff --git a/tests/test-renameat.c b/tests/test-renameat.c
index 8e56fc05df..8a5ce7c629 100644
--- a/tests/test-renameat.c
+++ b/tests/test-renameat.c
@@ -26,7 +26,6 @@ SIGNATURE_CHECK (renameat, int, (int, char const *, int, char const *));
#include <dirent.h>
#include <fcntl.h>
#include <errno.h>
-#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
diff --git a/tests/test-renameatu.c b/tests/test-renameatu.c
index 3f67ec048f..1d8986ee40 100644
--- a/tests/test-renameatu.c
+++ b/tests/test-renameatu.c
@@ -29,7 +29,6 @@ SIGNATURE_CHECK (renameatu, int,
#include <dirent.h>
#include <fcntl.h>
#include <errno.h>
-#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
diff --git a/tests/test-rmdir.c b/tests/test-rmdir.c
index 81437c3ab0..deea6bdf81 100644
--- a/tests/test-rmdir.c
+++ b/tests/test-rmdir.c
@@ -25,7 +25,6 @@ SIGNATURE_CHECK (rmdir, int, (char const *));
#include <fcntl.h>
#include <errno.h>
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
diff --git a/tests/test-round2.c b/tests/test-round2.c
index b26e24c742..4cc37c59bf 100644
--- a/tests/test-round2.c
+++ b/tests/test-round2.c
@@ -30,7 +30,6 @@
#include <math.h>
#include <float.h>
-#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
diff --git a/tests/test-select.h b/tests/test-select.h
index 5c6784169d..86a79ad83a 100644
--- a/tests/test-select.h
+++ b/tests/test-select.h
@@ -24,7 +24,6 @@
#include <unistd.h>
#include <fcntl.h>
#include <stdlib.h>
-#include <stdbool.h>
#include <sys/ioctl.h>
#include <errno.h>
diff --git a/tests/test-spawn-pipe-child.c b/tests/test-spawn-pipe-child.c
index 326c7b4585..9dac7f7560 100644
--- a/tests/test-spawn-pipe-child.c
+++ b/tests/test-spawn-pipe-child.c
@@ -18,7 +18,6 @@
#include <errno.h>
#include <fcntl.h>
-#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
diff --git a/tests/test-spawn-pipe-main.c b/tests/test-spawn-pipe-main.c
index 40aac6dcf7..91dc0722d2 100644
--- a/tests/test-spawn-pipe-main.c
+++ b/tests/test-spawn-pipe-main.c
@@ -19,7 +19,6 @@
#include "spawn-pipe.h"
#include "wait-process.h"
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
diff --git a/tests/test-spawn-pipe-script.c b/tests/test-spawn-pipe-script.c
index 51f9dbd073..5d574bf5cc 100644
--- a/tests/test-spawn-pipe-script.c
+++ b/tests/test-spawn-pipe-script.c
@@ -20,7 +20,6 @@
#include "wait-process.h"
#include <errno.h>
-#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
diff --git a/tests/test-stack.c b/tests/test-stack.c
index 6ad2618dcc..3f4ac4b184 100644
--- a/tests/test-stack.c
+++ b/tests/test-stack.c
@@ -18,7 +18,6 @@
#include <config.h>
-#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include "assure.h"
diff --git a/tests/test-stat.c b/tests/test-stat.c
index cf0d968700..c8a4b98454 100644
--- a/tests/test-stat.c
+++ b/tests/test-stat.c
@@ -29,7 +29,6 @@ SIGNATURE_CHECK (stat, int, (char const *, struct stat *));
#include <fcntl.h>
#include <errno.h>
-#include <stdbool.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
diff --git a/tests/test-supersede.c b/tests/test-supersede.c
index 887601ceef..0453d98bc9 100644
--- a/tests/test-supersede.c
+++ b/tests/test-supersede.c
@@ -24,7 +24,6 @@
#include <errno.h>
#include <fcntl.h>
-#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
diff --git a/tests/test-symlink.c b/tests/test-symlink.c
index 5752f8f8b4..3dbd60a098 100644
--- a/tests/test-symlink.c
+++ b/tests/test-symlink.c
@@ -25,7 +25,6 @@ SIGNATURE_CHECK (symlink, int, (char const *, char const *));
#include <fcntl.h>
#include <errno.h>
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
diff --git a/tests/test-symlinkat.c b/tests/test-symlinkat.c
index 68efffd93c..80f02528bf 100644
--- a/tests/test-symlinkat.c
+++ b/tests/test-symlinkat.c
@@ -25,7 +25,6 @@ SIGNATURE_CHECK (symlinkat, int, (char const *, int, char const *));
#include <fcntl.h>
#include <errno.h>
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
diff --git a/tests/test-system-quote-main.c b/tests/test-system-quote-main.c
index 9436a06885..657719f597 100644
--- a/tests/test-system-quote-main.c
+++ b/tests/test-system-quote-main.c
@@ -26,7 +26,6 @@
#endif
#include <limits.h>
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
diff --git a/tests/test-term-style-control-hello.c b/tests/test-term-style-control-hello.c
index c405ba57ba..b932ad5967 100644
--- a/tests/test-term-style-control-hello.c
+++ b/tests/test-term-style-control-hello.c
@@ -20,7 +20,6 @@
/* Specification. */
#include "term-style-control.h"
-#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
diff --git a/tests/test-term-style-control-yes.c b/tests/test-term-style-control-yes.c
index a3599a6c51..0c1466ea53 100644
--- a/tests/test-term-style-control-yes.c
+++ b/tests/test-term-style-control-yes.c
@@ -20,7 +20,6 @@
/* Specification. */
#include "term-style-control.h"
-#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
diff --git a/tests/test-timespec.c b/tests/test-timespec.c
index 11b769c917..9959e95a6c 100644
--- a/tests/test-timespec.c
+++ b/tests/test-timespec.c
@@ -23,7 +23,6 @@
#include "intprops.h"
#include "macros.h"
-#include <stdbool.h>
#include <limits.h>
static struct { int s; int ns; } const prototype[] =
diff --git a/tests/test-trunc2.c b/tests/test-trunc2.c
index b833dd1e37..976ab250bb 100644
--- a/tests/test-trunc2.c
+++ b/tests/test-trunc2.c
@@ -24,7 +24,6 @@
#include <math.h>
#include <float.h>
-#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
diff --git a/tests/test-truncf2.c b/tests/test-truncf2.c
index 14c43cfc0e..b25e16af3b 100644
--- a/tests/test-truncf2.c
+++ b/tests/test-truncf2.c
@@ -24,7 +24,6 @@
#include <math.h>
#include <float.h>
-#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
diff --git a/tests/test-unlink.c b/tests/test-unlink.c
index d456078d15..d1ed36a1df 100644
--- a/tests/test-unlink.c
+++ b/tests/test-unlink.c
@@ -25,7 +25,6 @@ SIGNATURE_CHECK (unlink, int, (char const *));
#include <fcntl.h>
#include <errno.h>
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
diff --git a/tests/test-unlinkat.c b/tests/test-unlinkat.c
index 2c329fd5a6..b565fd67ef 100644
--- a/tests/test-unlinkat.c
+++ b/tests/test-unlinkat.c
@@ -25,7 +25,6 @@ SIGNATURE_CHECK (unlinkat, int, (int, char const *, int));
#include <fcntl.h>
#include <errno.h>
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
diff --git a/tests/test-userspec.c b/tests/test-userspec.c
index 65287a592d..08f1a9ca9d 100644
--- a/tests/test-userspec.c
+++ b/tests/test-userspec.c
@@ -24,7 +24,6 @@
#include <assert.h>
#include <string.h>
#include <stdlib.h>
-#include <stdbool.h>
#include <sys/types.h>
#include <pwd.h>
#include <grp.h>
diff --git a/tests/test-utime.c b/tests/test-utime.c
index c51cd1ff8d..b172b0d51b 100644
--- a/tests/test-utime.c
+++ b/tests/test-utime.c
@@ -18,7 +18,6 @@
#include <utime.h>
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
diff --git a/tests/test-utimens.c b/tests/test-utimens.c
index 136c4daf9e..a2188f90b5 100644
--- a/tests/test-utimens.c
+++ b/tests/test-utimens.c
@@ -20,7 +20,6 @@
#include "utimens.h"
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
diff --git a/tests/test-utimensat.c b/tests/test-utimensat.c
index 267f1e5f42..5831fde1be 100644
--- a/tests/test-utimensat.c
+++ b/tests/test-utimensat.c
@@ -26,7 +26,6 @@ SIGNATURE_CHECK (utimensat, int, (int, char const *, struct timespec const[2],
#include <fcntl.h>
#include <errno.h>
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
diff --git a/tests/unictype/test-categ_byname.c b/tests/unictype/test-categ_byname.c
index 7a2fcfb955..2489caaa28 100644
--- a/tests/unictype/test-categ_byname.c
+++ b/tests/unictype/test-categ_byname.c
@@ -18,7 +18,6 @@
#include "unictype.h"
-#include <stdbool.h>
#include <string.h>
#include "macros.h"
diff --git a/tests/unigbrk/test-uc-is-grapheme-break.c b/tests/unigbrk/test-uc-is-grapheme-break.c
index d39dff3488..433ba686c7 100644
--- a/tests/unigbrk/test-uc-is-grapheme-break.c
+++ b/tests/unigbrk/test-uc-is-grapheme-break.c
@@ -21,7 +21,6 @@
/* Specification. */
#include <unigbrk.h>
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>