Fix warnings for functions introduced in Android API level 21.

* m4/_Exit.m4 (gl_FUNC__EXIT): Test for _Exit using
gl_CHECK_FUNCS_ANDROID instead of AC_CHECK_FUNCS.
* m4/c-strtod.m4 (gl_C_STRTOLD): Test for strtold_l using
gl_CHECK_FUNCS_ANDROID instead of AC_CHECK_FUNCS.
* m4/c32rtomb.m4 (gl_FUNC_C32RTOMB): Test for c32rtomb like
gl_CHECK_FUNCS_ANDROID does.
* m4/dprintf.m4 (gl_FUNC_DPRINTF): Test for dprintf using
gl_CHECK_FUNCS_ANDROID instead of AC_CHECK_FUNCS_ONCE.
* m4/dprintf-posix.m4 (gl_FUNC_DPRINTF_POSIX): Likewise.
* m4/dup3.m4 (gl_FUNC_DUP3): Test for dup3 using
gl_CHECK_FUNCS_ANDROID instead of AC_CHECK_FUNCS_ONCE.
* m4/duplocale.m4 (gl_FUNC_DUPLOCALE): Test for duplocale using
gl_CHECK_FUNCS_ANDROID instead of AC_CHECK_FUNCS_ONCE.
* m4/execvpe.m4 (gl_FUNC_EXECVPE): Test for execvpe using
gl_CHECK_FUNCS_ANDROID instead of AC_CHECK_FUNCS.
* m4/fts.m4 (gl_FUNC_FTS_CORE): Test for fts_open using
gl_CHECK_FUNCS_ANDROID instead of AC_CHECK_FUNC.
* m4/getprogname.m4 (gl_FUNC_GETPROGNAME): Test for getprogname using
gl_CHECK_FUNCS_ANDROID instead of AC_CHECK_FUNCS_ONCE.
* m4/intl-thread-locale.m4 (gt_FUNC_USELOCALE): Test for uselocale using
gl_CHECK_FUNCS_ANDROID instead of AC_CHECK_FUNCS_ONCE.
* m4/iswblank.m4 (gl_FUNC_ISWBLANK): Test for iswblank using
gl_CHECK_FUNCS_ANDROID instead of AC_CHECK_FUNCS_ONCE.
* m4/libtextstyle-optional.m4 (gl_LIBTEXTSTYLE_OPTIONAL): Test for
tcdrain using gl_CHECK_FUNCS_ANDROID instead of AC_CHECK_FUNCS_ONCE.
* m4/linkat.m4 (gl_FUNC_LINKAT): Test for linkat using
gl_CHECK_FUNCS_ANDROID instead of AC_CHECK_FUNCS_ONCE.
* m4/localename.m4 (gl_LOCALENAME): Test for newlocale, duplocale,
freelocale using gl_CHECK_FUNCS_ANDROID instead of AC_CHECK_FUNCS_ONCE.
* m4/mbrtoc32.m4 (gl_CHECK_FUNC_MBRTOC32): Test for mbrtoc32 like
gl_CHECK_FUNCS_ANDROID does.
* m4/mbsnrtowcs.m4 (gl_FUNC_MBSNRTOWCS): Test for mbsnrtowcs using
gl_CHECK_FUNCS_ANDROID instead of AC_CHECK_FUNCS_ONCE.
* m4/mbtowc.m4 (gl_FUNC_MBTOWC): Test for mbtowc using
gl_CHECK_FUNCS_ANDROID instead of AC_CHECK_FUNCS.
* m4/mkfifoat.m4 (gl_FUNC_MKFIFOAT): Test for mknodat using
gl_CHECK_FUNCS_ANDROID instead of AC_CHECK_FUNCS_ONCE.
* m4/mountlist.m4 (gl_MOUNTLIST): Test for setmntent, endmntent using
gl_CHECK_FUNCS_ANDROID instead of AC_CHECK_FUNCS.
* m4/posix_openpt.m4 (gl_FUNC_POSIX_OPENPT): Test for posix_openpt using
gl_CHECK_FUNCS_ANDROID instead of AC_CHECK_FUNCS_ONCE.
* m4/pty.m4 (gl_FUNC_OPENPTY): Test for posix_openpt using
gl_CHECK_FUNCS_ANDROID instead of AC_CHECK_FUNCS.
* m4/random.m4 (gl_FUNC_RANDOM): Test for initstate, setstate using
gl_CHECK_FUNCS_ANDROID instead of AC_CHECK_FUNCS.
* m4/stpcpy.m4 (gl_FUNC_STPCPY): Test for stpcpy using
gl_CHECK_FUNCS_ANDROID instead of AC_CHECK_FUNCS.
* m4/stpncpy.m4 (gl_FUNC_STPNCPY): Test for stpncpy using
gl_CHECK_FUNCS_ANDROID instead of AC_CHECK_FUNCS_ONCE.
* m4/symlinkat.m4 (gl_FUNC_SYMLINKAT): Test for symlinkat using
gl_CHECK_FUNCS_ANDROID instead of AC_CHECK_FUNCS_ONCE.
* m4/truncate.m4 (gl_FUNC_TRUNCATE): Test for truncate using
gl_CHECK_FUNCS_ANDROID instead of AC_CHECK_FUNCS_ONCE.
* m4/tsearch.m4 (gl_FUNC_TSEARCH): Test for twalk using
gl_CHECK_FUNCS_ANDROID instead of AC_CHECK_FUNCS.
* m4/vdprintf.m4 (gl_FUNC_VDPRINTF): Test for vdprintf using
gl_CHECK_FUNCS_ANDROID instead of AC_CHECK_FUNCS_ONCE.
* m4/vdprintf-posix.m4 (gl_FUNC_VDPRINTF_POSIX): Likewise.
* m4/wcsnrtombs.m4 (gl_FUNC_WCSNRTOMBS): Test for wcsnrtombs using
gl_CHECK_FUNCS_ANDROID instead of AC_CHECK_FUNCS_ONCE.
* m4/readlinkat.m4 (gl_FUNC_READLINKAT): Test for readlinkat using
gl_CHECK_FUNCS_ANDROID instead of AC_CHECK_FUNCS_ONCE.
* m4/fchmodat.m4 (gl_PREREQ_FCHMODAT): Likewise.
* modules/careadlinkat (configure.ac): Likewise.
* modules/ftoastr (configure.ac): Test for strtof using
gl_CHECK_FUNCS_ANDROID instead of AC_CHECK_FUNCS_ONCE.
* modules/duplocale-tests (configure.ac): Test for duplocale using
gl_CHECK_FUNCS_ANDROID instead of AC_CHECK_FUNCS_ONCE.
* modules/hard-locale-tests (configure.ac): Likewise.
* modules/locale-tests (configure.ac): Test for newlocale using
gl_CHECK_FUNCS_ANDROID instead of AC_CHECK_FUNCS_ONCE.
* modules/localename-tests (configure.ac): Likewise.
* modules/tsearch-tests (configure.ac): Test for initstate using
gl_CHECK_FUNCS_ANDROID instead of AC_CHECK_FUNCS_ONCE.
* modules/unistr/u8-stpcpy (configure.ac): Test for stpcpy using
gl_CHECK_FUNCS_ANDROID instead of AC_CHECK_FUNCS_ONCE.

* m4/tcgetattr.m4: New file, extracted from m4/getpass.m4.
* m4/getpass.m4 (gl_PREREQ_GETPASS): Remove code that tests for
tcgetattr. Invoke gl_HAVE_TCGETATTR instead.
* modules/getpass (Files): Add tcgetattr.m4.
* modules/getpass-gnu (Files): Add tcgetattr.m4.
* modules/term-style-control (Files): Add tcgetattr.m4.
(configure.ac): Remove code that tests for tcgetattr. Invoke
gl_HAVE_TCGETATTR instead.

1 files changed, 2 insertions, 1 deletions

diff --git a/modules/term-style-control b/modules/term-style-control
index 85d748d75e..9bc9f5e7b9 100644
--- a/modules/term-style-control
+++ b/modules/term-style-control
@@ -4,6 +4,7 @@ Terminal control for outputting styled text to a terminal.
 Files:
 lib/term-style-control.h
 lib/term-style-control.c
+m4/tcgetattr.m4
 
 Depends-on:
 stdbool
@@ -17,7 +18,7 @@ xalloc-die
 
 configure.ac:
 AC_REQUIRE([AC_C_INLINE])
-AC_CHECK_FUNCS_ONCE([tcgetattr])
+gl_HAVE_TCGETATTR
 
 Makefile.am:
 lib_SOURCES += term-style-control.c