Remove unused HAVE_* symbols for functions.

* configure.in (AC_CHECK_FUNCS): Remove XSetWMProtocols,
getdomainname, mblen (twice), mbrlen (twice), mbsinit, ualarm,
getsockopt, setsockopt, mremap, mempcpy.
* admin/CPP-DEFINES (HAVE_GETDOMAINNAME): Remove.
* msdos/sed2v2.inp (HAVE_MBLEN): Remove.
* msdos/sed2x.inp (HAVE_XSETWMPROTOCOLS): Remove.
* nt/config.nt (HAVE_GETDOMAINNAME, HAVE_XSETWMPROTOCOLS)
(HAVE_GETSOCKOPT, HAVE_SETSOCKOPT): Remove; not needed.
* src/s/ms-w32.h (HAVE_GETDOMAINNAME): Remove; not needed.

11 files changed, 22 insertions, 15 deletions

diff --git a/ChangeLog b/ChangeLog
index c31ab562f35..3ed2fb71a25 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
 2012-05-19  Paul Eggert  <eggert@cs.ucla.edu>
 
+	* configure.in (AC_CHECK_FUNCS): Remove XSetWMProtocols,
+	getdomainname, mblen (twice), mbrlen (twice), mbsinit, ualarm,
+	getsockopt, setsockopt, mremap, mempcpy.
+
 	* configure.in (machine): Do not set to 'vax', since src/m/vax.h
 	is being removed.
 	(AC_CHECK_FUNCS): Remove ftime.
diff --git a/admin/CPP-DEFINES b/admin/CPP-DEFINES
index 8310d0d96cc..71ba4bf8ece 100644
--- a/admin/CPP-DEFINES
+++ b/admin/CPP-DEFINES
@@ -121,7 +121,6 @@ HAVE_FPATHCONF
 HAVE_FREXP
 HAVE_FSYNC
 HAVE_GETCWD
-HAVE_GETDOMAINNAME
 HAVE_GETHOSTNAME
 HAVE_GETLOADAVG
 HAVE_GETPAGESIZE
diff --git a/admin/ChangeLog b/admin/ChangeLog
index deb83a96b50..55504b3d6f8 100644
--- a/admin/ChangeLog
+++ b/admin/ChangeLog
@@ -1,5 +1,7 @@
 2012-05-19  Paul Eggert  <eggert@cs.ucla.edu>
 
+	* CPP-DEFINES (HAVE_GETDOMAINNAME): Remove.
+
 	* CPP-DEFINES (HAVE_FTIME): Remove.
 
 2012-05-02  Glenn Morris  <rgm@gnu.org>
diff --git a/configure.in b/configure.in
index 4aa28d82e56..87c9a6cd276 100644
--- a/configure.in
+++ b/configure.in
@@ -1873,7 +1873,7 @@ if test "${HAVE_X11}" = "yes"; then
   fi
 
   AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
-XScreenNumberOfScreen XSetWMProtocols)
+XScreenNumberOfScreen)
 fi
 
 if test "${window_system}" = "x11"; then
@@ -2773,15 +2773,15 @@ esac
 AC_SUBST(BLESSMAIL_TARGET)
 
 
-AC_CHECK_FUNCS(gethostname getdomainname \
+AC_CHECK_FUNCS(gethostname \
 rename closedir mkdir rmdir sysinfo getrusage get_current_dir_name \
 random lrand48 logb frexp fmod rint cbrt setsid \
 strerror fpathconf select euidaccess getpagesize tzset setlocale \
 utimes getrlimit setrlimit setpgid getcwd getwd shutdown getaddrinfo \
-__fpending mblen mbrlen mbsinit strsignal setitimer ualarm \
-sendto recvfrom getsockopt setsockopt getsockname getpeername \
-gai_strerror mkstemp getline getdelim mremap fsync sync \
-difftime mempcpy mblen mbrlen posix_memalign \
+__fpending strsignal setitimer \
+sendto recvfrom getsockname getpeername \
+gai_strerror mkstemp getline getdelim fsync sync \
+difftime posix_memalign \
 getpwent endpwent getgrent endgrent \
 cfmakeraw cfsetspeed copysign __executable_start)
 
diff --git a/msdos/ChangeLog b/msdos/ChangeLog
index 603baa978e0..46472373e51 100644
--- a/msdos/ChangeLog
+++ b/msdos/ChangeLog
@@ -1,3 +1,8 @@
+2012-05-19  Paul Eggert  <eggert@cs.ucla.edu>
+
+	* sed2v2.inp (HAVE_MBLEN): Remove.
+	* sed2x.inp (HAVE_XSETWMPROTOCOLS): Remove.
+
 2012-04-21  Eli Zaretskii  <eliz@gnu.org>
 
 	* sedleim.inp (RUN_EMACS): Replace BUILT_EMACS with EMACS.
diff --git a/msdos/sed2v2.inp b/msdos/sed2v2.inp
index 7c7a4ad6271..06a59513af7 100644
--- a/msdos/sed2v2.inp
+++ b/msdos/sed2v2.inp
@@ -46,7 +46,6 @@
 /^#undef HAVE_SETRLIMIT *$/s/^.*$/#define HAVE_SETRLIMIT 1/
 /^#undef HAVE_GETRUSAGE *$/s/^.*$/#define HAVE_GETRUSAGE 1/
 /^#undef HAVE_TM_GMTOFF *$/s/^.*$/#define HAVE_TM_GMTOFF 1/
-/^#undef HAVE_MBLEN *$/s/^.*$/#define HAVE_MBLEN 1/
 /^#undef HAVE_STRUCT_TIMEZONE *$/s/^.*$/#define HAVE_STRUCT_TIMEZONE 1/
 /^#undef HAVE_SIZE_T *$/s/^.*$/#define HAVE_SIZE_T 1/
 /^#undef HAVE_MKSTEMP *$/s/^.*$/#define HAVE_MKSTEMP 1/
@@ -119,4 +118,3 @@ s/^#undef HAVE_STRTOULL *$/#define HAVE_STRTOULL 1/
 # might be defined in sys/config.h we include at the top of config.h.
 /^#undef BSTRING/s|#undef|# undef|
 /^#undef .*$/s|^.*$|/* & */|
-
diff --git a/msdos/sed2x.inp b/msdos/sed2x.inp
index 159c35fd251..fa920246c96 100644
--- a/msdos/sed2x.inp
+++ b/msdos/sed2x.inp
@@ -20,6 +20,5 @@
 /^#undef HAVE_X11 *$/s/undef/define/
 /^#undef HAVE_X_MENU *$/s/undef/define/
 /^#undef HAVE_XSCREENNUMBEROFSCREEN *$/s/undef/define/
-/^#undef HAVE_XSETWMPROTOCOLS *$/s/undef/define/
 /^#undef HAVE_SELECT *$/s/undef/define/
 
diff --git a/nt/ChangeLog b/nt/ChangeLog
index 22f7bc1d5ea..faf6f80c4c5 100644
--- a/nt/ChangeLog
+++ b/nt/ChangeLog
@@ -1,5 +1,8 @@
 2012-05-19  Paul Eggert  <eggert@cs.ucla.edu>
 
+	* config.nt (HAVE_GETDOMAINNAME, HAVE_XSETWMPROTOCOLS)
+	(HAVE_GETSOCKOPT, HAVE_SETSOCKOPT): Remove; not needed.
+
 	* config.nt (HAVE_FTIME): Remove undef; not needed.
 
 2012-05-01  Glenn Morris  <rgm@gnu.org>
diff --git a/nt/config.nt b/nt/config.nt
index 0ae14c93d94..9d933c2d0a0 100644
--- a/nt/config.nt
+++ b/nt/config.nt
@@ -179,7 +179,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #undef GETTIMEOFDAY_ONE_ARGUMENT
 #endif
 #undef HAVE_GETHOSTNAME
-#undef HAVE_GETDOMAINNAME
 #undef HAVE_DUP2
 #undef HAVE_RENAME
 #undef HAVE_CLOSEDIR
@@ -205,7 +204,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #undef HAVE_XRMSETDATABASE
 #undef HAVE_XSCREENRESOURCESTRING
 #undef HAVE_XSCREENNUMBEROFSCREEN
-#undef HAVE_XSETWMPROTOCOLS
 
 #undef HAVE_MKDIR
 #undef HAVE_RMDIR
@@ -244,8 +242,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #define HAVE_SENDTO 1
 #define HAVE_RECVFROM 1
-#define HAVE_GETSOCKOPT 1
-#define HAVE_SETSOCKOPT 1
 #define HAVE_GETSOCKNAME 1
 #define HAVE_GETPEERNAME 1
 #define HAVE_SNPRINTF 1
diff --git a/src/ChangeLog b/src/ChangeLog
index 4e648223497..0f1914b6e46 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,5 +1,7 @@
 2012-05-19  Paul Eggert  <eggert@cs.ucla.edu>
 
+	* s/ms-w32.h (HAVE_GETDOMAINNAME): Remove; not needed.
+
 	* m/vax.h: Remove; no longer needed since HAVE_FTIME is being removed.
 	* s/ms-w32.h (HAVE_FTIME): Remove; not needed.
 
diff --git a/src/s/ms-w32.h b/src/s/ms-w32.h
index 815ab9101f4..63fc2f1f62b 100644
--- a/src/s/ms-w32.h
+++ b/src/s/ms-w32.h
@@ -122,7 +122,6 @@ struct sigaction {
 
 #define HAVE_GETTIMEOFDAY 1
 #define HAVE_GETHOSTNAME 1
-#undef  HAVE_GETDOMAINNAME
 #define HAVE_DUP2 1
 #define HAVE_RENAME 1
 #define HAVE_CLOSEDIR 1