Use the GL_CFLAG_GNULIB_WARNINGS for most AC_LIBOBJ compilation units.

* modules/_Exit (configure.ac): Define an Automake conditional. Remove
the AC_LIBOBJ invocation.
(Makefile.am): Augment lib_SOURCES, guarded by that Automake
conditional.
* modules/accept: Likewise.
* modules/access: Likewise.
* modules/acosf: Likewise.
* modules/acosl: Likewise.
* modules/aligned_alloc: Likewise.
* modules/alphasort: Likewise.
* modules/argz: Likewise.
* modules/asinf: Likewise.
* modules/asinl: Likewise.
* modules/atan2f: Likewise.
* modules/atanf: Likewise.
* modules/atanl: Likewise.
* modules/atexit: Likewise.
* modules/atoll: Likewise.
* modules/bind: Likewise.
* modules/btowc: Likewise.
* modules/c32rtomb: Likewise.
* modules/canonicalize-lgpl: Likewise.
* modules/cbrt: Likewise.
* modules/cbrtf: Likewise.
* modules/cbrtl: Likewise.
* modules/ceil: Likewise.
* modules/ceilf: Likewise.
* modules/ceill: Likewise.
* modules/chdir-long: Likewise.
* modules/chown: Likewise.
* modules/close: Likewise.
* modules/closedir: Likewise.
* modules/cnd: Likewise.
* modules/connect: Likewise.
* modules/copy-file-range: Likewise.
* modules/copysign: Likewise.
* modules/copysignf: Likewise.
* modules/copysignl: Likewise.
* modules/cosf: Likewise.
* modules/coshf: Likewise.
* modules/cosl: Likewise.
* modules/creat: Likewise.
* modules/crypto/gc: Likewise.
* modules/ctime: Likewise.
* modules/dirfd: Likewise.
* modules/dup: Likewise.
* modules/dup2: Likewise.
* modules/duplocale: Likewise.
* modules/error: Likewise.
* modules/euidaccess: Likewise.
* modules/execinfo: Likewise.
* modules/execl: Likewise.
* modules/execle: Likewise.
* modules/execlp: Likewise.
* modules/execv: Likewise.
* modules/execve: Likewise.
* modules/execvp: Likewise.
* modules/execvpe: Likewise.
* modules/exp2: Likewise.
* modules/exp2f: Likewise.
* modules/exp2l: Likewise.
* modules/expf: Likewise.
* modules/expl: Likewise.
* modules/explicit_bzero: Likewise.
* modules/expm1: Likewise.
* modules/expm1f: Likewise.
* modules/expm1l: Likewise.
* modules/fabsf: Likewise.
* modules/fabsl: Likewise.
* modules/faccessat: Likewise.
* modules/fchdir: Likewise.
* modules/fchmodat: Likewise.
* modules/fchownat: Likewise.
* modules/fclose: Likewise.
* modules/fcntl: Likewise.
* modules/fdatasync: Likewise.
* modules/fdopen: Likewise.
* modules/fdopendir: Likewise.
* modules/fflush: Likewise.
* modules/ffs: Likewise.
* modules/ffsl: Likewise.
* modules/ffsll: Likewise.
* modules/fileblocks: Likewise.
* modules/float: Likewise.
* modules/flock: Likewise.
* modules/floor: Likewise.
* modules/floorf: Likewise.
* modules/floorl: Likewise.
* modules/fma: Likewise.
* modules/fmaf: Likewise.
* modules/fmal: Likewise.
* modules/fmod: Likewise.
* modules/fmodf: Likewise.
* modules/fmodl: Likewise.
* modules/forkpty: Likewise.
* modules/fpending: Likewise.
* modules/fpurge: Likewise.
* modules/freadable: Likewise.
* modules/freadahead: Likewise.
* modules/freadptr: Likewise.
* modules/free-posix: Likewise.
* modules/freopen: Likewise.
* modules/frexpf: Likewise.
* modules/fseek: Likewise.
* modules/fseeko: Likewise.
* modules/fseterr: Likewise.
* modules/fstat: Likewise.
* modules/fstatat: Likewise.
* modules/fsusage: Likewise.
* modules/fsync: Likewise.
* modules/ftell: Likewise.
* modules/ftello: Likewise.
* modules/ftruncate: Likewise.
* modules/fts: Likewise.
* modules/futimens: Likewise.
* modules/fwritable: Likewise.
* modules/fwriting: Likewise.
* modules/getaddrinfo: Likewise.
* modules/getcwd: Likewise.
* modules/getcwd-lgpl: Likewise.
* modules/getdelim: Likewise.
* modules/getdomainname: Likewise.
* modules/getdtablesize: Likewise.
* modules/getentropy: Likewise.
* modules/getgroups: Likewise.
* modules/gethostname: Likewise.
* modules/getline: Likewise.
* modules/getloadavg: Likewise.
* modules/getlogin: Likewise.
* modules/getlogin_r: Likewise.
* modules/getopt-posix: Likewise.
* modules/getpagesize: Likewise.
* modules/getpeername: Likewise.
* modules/getrandom: Likewise.
* modules/getrusage: Likewise.
* modules/getsockname: Likewise.
* modules/getsockopt: Likewise.
* modules/getsubopt: Likewise.
* modules/gettimeofday: Likewise.
* modules/getumask: Likewise.
* modules/getusershell: Likewise.
* modules/glob: Likewise.
* modules/grantpt: Likewise.
* modules/group-member: Likewise.
* modules/hypot: Likewise.
* modules/hypotf: Likewise.
* modules/hypotl: Likewise.
* modules/iconv_open: Likewise.
* modules/ilogb: Likewise.
* modules/ilogbf: Likewise.
* modules/ilogbl: Likewise.
* modules/imaxabs: Likewise.
* modules/imaxdiv: Likewise.
* modules/inet_ntop: Likewise.
* modules/inet_pton: Likewise.
* modules/ioctl: Likewise.
* modules/isapipe: Likewise.
* modules/isatty: Likewise.
* modules/isblank: Likewise.
* modules/isfinite: Likewise.
* modules/isinf: Likewise.
* modules/iswblank: Likewise.
* modules/iswctype: Likewise.
* modules/iswdigit: Likewise.
* modules/iswxdigit: Likewise.
* modules/lchmod: Likewise.
* modules/lchown: Likewise.
* modules/ldexpf: Likewise.
* modules/ldexpl: Likewise.
* modules/libgmp: Likewise.
* modules/link: Likewise.
* modules/linkat: Likewise.
* modules/listen: Likewise.
* modules/localeconv: Likewise.
* modules/localtime: Likewise.
* modules/log: Likewise.
* modules/log10: Likewise.
* modules/log10f: Likewise.
* modules/log10l: Likewise.
* modules/log1p: Likewise.
* modules/log1pf: Likewise.
* modules/log1pl: Likewise.
* modules/log2: Likewise.
* modules/log2f: Likewise.
* modules/log2l: Likewise.
* modules/logb: Likewise.
* modules/logbf: Likewise.
* modules/logbl: Likewise.
* modules/logf: Likewise.
* modules/login_tty: Likewise.
* modules/logl: Likewise.
* modules/lseek: Likewise.
* modules/lstat: Likewise.
* modules/mbrlen: Likewise.
* modules/mbrtoc32: Likewise.
* modules/mbrtowc: Likewise.
* modules/mbsinit: Likewise.
* modules/mbsnrtowcs: Likewise.
* modules/mbsrtowcs: Likewise.
* modules/mbtowc: Likewise.
* modules/memalign: Likewise.
* modules/memchr: Likewise.
* modules/memcmp: Likewise.
* modules/memcpy: Likewise.
* modules/memmove: Likewise.
* modules/mempcpy: Likewise.
* modules/memrchr: Likewise.
* modules/memset: Likewise.
* modules/mkdir: Likewise.
* modules/mkdirat: Likewise.
* modules/mkdtemp: Likewise.
* modules/mkfifo: Likewise.
* modules/mkfifoat: Likewise.
* modules/mknod: Likewise.
* modules/mkostemp: Likewise.
* modules/mkostemps: Likewise.
* modules/mkstemp: Likewise.
* modules/mkstemps: Likewise.
* modules/modf: Likewise.
* modules/modff: Likewise.
* modules/modfl: Likewise.
* modules/mountlist: Likewise.
* modules/msvc-inval: Likewise.
* modules/msvc-nothrow: Likewise.
* modules/mtx: Likewise.
* modules/nanosleep: Likewise.
* modules/nl_langinfo: Likewise.
* modules/obstack: Likewise.
* modules/open: Likewise.
* modules/openat: Likewise.
* modules/opendir: Likewise.
* modules/openpty: Likewise.
* modules/pclose: Likewise.
* modules/perror: Likewise.
* modules/pipe-posix: Likewise.
* modules/poll: Likewise.
* modules/popen: Likewise.
* modules/posix_memalign: Likewise.
* modules/posix_openpt: Likewise.
* modules/posix_spawn: Likewise.
* modules/posix_spawn-internal: Likewise.
* modules/posix_spawn_file_actions_addchdir: Likewise.
* modules/posix_spawn_file_actions_addclose: Likewise.
* modules/posix_spawn_file_actions_adddup2: Likewise.
* modules/posix_spawn_file_actions_addfchdir: Likewise.
* modules/posix_spawn_file_actions_addopen: Likewise.
* modules/posix_spawn_file_actions_destroy: Likewise.
* modules/posix_spawn_file_actions_init: Likewise.
* modules/posix_spawnattr_destroy: Likewise.
* modules/posix_spawnattr_getflags: Likewise.
* modules/posix_spawnattr_getpgroup: Likewise.
* modules/posix_spawnattr_getschedparam: Likewise.
* modules/posix_spawnattr_getschedpolicy: Likewise.
* modules/posix_spawnattr_getsigdefault: Likewise.
* modules/posix_spawnattr_getsigmask: Likewise.
* modules/posix_spawnattr_init: Likewise.
* modules/posix_spawnattr_setflags: Likewise.
* modules/posix_spawnattr_setpgroup: Likewise.
* modules/posix_spawnattr_setschedparam: Likewise.
* modules/posix_spawnattr_setschedpolicy: Likewise.
* modules/posix_spawnattr_setsigdefault: Likewise.
* modules/posix_spawnattr_setsigmask: Likewise.
* modules/posix_spawnp: Likewise.
* modules/powf: Likewise.
* modules/pread: Likewise.
* modules/pselect: Likewise.
* modules/pthread-cond: Likewise.
* modules/pthread-mutex: Likewise.
* modules/pthread-once: Likewise.
* modules/pthread-rwlock: Likewise.
* modules/pthread-spin: Likewise.
* modules/pthread-thread: Likewise.
* modules/pthread-tss: Likewise.
* modules/pthread_mutex_timedlock: Likewise.
* modules/pthread_sigmask: Likewise.
* modules/ptsname: Likewise.
* modules/ptsname_r: Likewise.
* modules/putenv: Likewise.
* modules/pwrite: Likewise.
* modules/qsort_r: Likewise.
* modules/raise: Likewise.
* modules/random: Likewise.
* modules/random_r: Likewise.
* modules/rawmemchr: Likewise.
* modules/read: Likewise.
* modules/readdir: Likewise.
* modules/readline: Likewise.
* modules/readlink: Likewise.
* modules/readlinkat: Likewise.
* modules/readutmp: Likewise.
* modules/reallocarray: Likewise.
* modules/recv: Likewise.
* modules/recvfrom: Likewise.
* modules/regex: Likewise.
* modules/relocatable-prog: Likewise.
* modules/remainder: Likewise.
* modules/remainderf: Likewise.
* modules/remainderl: Likewise.
* modules/remove: Likewise.
* modules/rename: Likewise.
* modules/renameat: Likewise.
* modules/rewinddir: Likewise.
* modules/rint: Likewise.
* modules/rintf: Likewise.
* modules/rintl: Likewise.
* modules/rmdir: Likewise.
* modules/round: Likewise.
* modules/roundf: Likewise.
* modules/roundl: Likewise.
* modules/rpmatch: Likewise.
* modules/scandir: Likewise.
* modules/sched_yield: Likewise.
* modules/secure_getenv: Likewise.
* modules/select: Likewise.
* modules/selinux-h: Likewise.
* modules/send: Likewise.
* modules/sendto: Likewise.
* modules/setenv: Likewise.
* modules/sethostname: Likewise.
* modules/setlocale: Likewise.
* modules/setlocale-null: Likewise.
* modules/setsockopt: Likewise.
* modules/shutdown: Likewise.
* modules/sig2str: Likewise.
* modules/sigabbrev_np: Likewise.
* modules/sigaction: Likewise.
* modules/sigdescr_np: Likewise.
* modules/signbit: Likewise.
* modules/sigprocmask: Likewise.
* modules/sinf: Likewise.
* modules/sinhf: Likewise.
* modules/sinl: Likewise.
* modules/sleep: Likewise.
* modules/socket: Likewise.
* modules/spawn-pipe: Likewise.
* modules/sqrtf: Likewise.
* modules/sqrtl: Likewise.
* modules/stat: Likewise.
* modules/stdio: Likewise.
* modules/stpcpy: Likewise.
* modules/stpncpy: Likewise.
* modules/strcase: Likewise.
* modules/strchrnul: Likewise.
* modules/strcspn: Likewise.
* modules/strdup-posix: Likewise.
* modules/strerror: Likewise.
* modules/strerror-override: Likewise.
* modules/strerrorname_np: Likewise.
* modules/strfmon_l: Likewise.
* modules/strftime-fixes: Likewise.
* modules/strncat: Likewise.
* modules/strndup: Likewise.
* modules/strnlen: Likewise.
* modules/strpbrk: Likewise.
* modules/strptime: Likewise.
* modules/strsep: Likewise.
* modules/strsignal: Likewise.
* modules/strtod: Likewise.
* modules/strtoimax: Likewise.
* modules/strtok_r: Likewise.
* modules/strtol: Likewise.
* modules/strtold: Likewise.
* modules/strtoll: Likewise.
* modules/strtoul: Likewise.
* modules/strtoull: Likewise.
* modules/strtoumax: Likewise.
* modules/strverscmp: Likewise.
* modules/symlink: Likewise.
* modules/symlinkat: Likewise.
* modules/tanf: Likewise.
* modules/tanhf: Likewise.
* modules/tanl: Likewise.
* modules/tcgetsid: Likewise.
* modules/thrd: Likewise.
* modules/time_r: Likewise.
* modules/time_rz: Likewise.
* modules/timegm: Likewise.
* modules/times: Likewise.
* modules/timespec_get: Likewise.
* modules/timespec_getres: Likewise.
* modules/tmpfile: Likewise.
* modules/towctrans: Likewise.
* modules/trunc: Likewise.
* modules/truncate: Likewise.
* modules/truncf: Likewise.
* modules/truncl: Likewise.
* modules/tsearch: Likewise.
* modules/tss: Likewise.
* modules/ttyname_r: Likewise.
* modules/tzset: Likewise.
* modules/uname: Likewise.
* modules/unlink: Likewise.
* modules/unlinkat: Likewise.
* modules/unlockpt: Likewise.
* modules/unsetenv: Likewise.
* modules/usleep: Likewise.
* modules/utime: Likewise.
* modules/utimensat: Likewise.
* modules/waitpid: Likewise.
* modules/wcpcpy: Likewise.
* modules/wcpncpy: Likewise.
* modules/wcrtomb: Likewise.
* modules/wcscasecmp: Likewise.
* modules/wcscat: Likewise.
* modules/wcschr: Likewise.
* modules/wcscmp: Likewise.
* modules/wcscoll: Likewise.
* modules/wcscpy: Likewise.
* modules/wcscspn: Likewise.
* modules/wcsdup: Likewise.
* modules/wcsftime: Likewise.
* modules/wcslen: Likewise.
* modules/wcsncasecmp: Likewise.
* modules/wcsncat: Likewise.
* modules/wcsncmp: Likewise.
* modules/wcsncpy: Likewise.
* modules/wcsnlen: Likewise.
* modules/wcsnrtombs: Likewise.
* modules/wcspbrk: Likewise.
* modules/wcsrchr: Likewise.
* modules/wcsrtombs: Likewise.
* modules/wcsspn: Likewise.
* modules/wcsstr: Likewise.
* modules/wcstok: Likewise.
* modules/wcswidth: Likewise.
* modules/wcsxfrm: Likewise.
* modules/wctob: Likewise.
* modules/wctomb: Likewise.
* modules/wctrans: Likewise.
* modules/wctype: Likewise.
* modules/wcwidth: Likewise.
* modules/windows-cond: Likewise.
* modules/windows-mutex: Likewise.
* modules/windows-once: Likewise.
* modules/windows-recmutex: Likewise.
* modules/windows-rwlock: Likewise.
* modules/windows-spawn: Likewise.
* modules/windows-spin: Likewise.
* modules/windows-thread: Likewise.
* modules/windows-timedmutex: Likewise.
* modules/windows-timedrecmutex: Likewise.
* modules/windows-timedrwlock: Likewise.
* modules/windows-tls: Likewise.
* modules/wmemchr: Likewise.
* modules/wmemcmp: Likewise.
* modules/wmemcpy: Likewise.
* modules/wmemmove: Likewise.
* modules/wmempcpy: Likewise.
* modules/wmemset: Likewise.
* modules/write: Likewise.

1 files changed, 7 insertions, 3 deletions

diff --git a/modules/ptsname b/modules/ptsname
index e135c5af89..4fbab87962 100644
--- a/modules/ptsname
+++ b/modules/ptsname
@@ -12,13 +12,17 @@ ptsname_r       [test $HAVE_PTSNAME = 0]
 
 configure.ac:
 gl_FUNC_PTSNAME
-if test $HAVE_PTSNAME = 0 || test $REPLACE_PTSNAME = 1; then
-  AC_LIBOBJ([ptsname])
+gl_CONDITIONAL([GL_COND_OBJ_PTSNAME],
+               [test $HAVE_PTSNAME = 0 || test $REPLACE_PTSNAME = 1])
+AM_COND_IF([GL_COND_OBJ_PTSNAME], [
   gl_PREREQ_PTSNAME
-fi
+])
 gl_STDLIB_MODULE_INDICATOR([ptsname])
 
 Makefile.am:
+if GL_COND_OBJ_PTSNAME
+lib_SOURCES += ptsname.c
+endif
 
 Include:
 <stdlib.h>