From 00da392c5fb55cf14dc2e043bafb9b3c906109d0 Mon Sep 17 00:00:00 2001
From: Kurt Zeilenga <kurt@openldap.org>
Date: Tue, 18 May 1999 18:34:02 +0000
Subject: [PATCH] Add check for <sys/select.h> for AIX.

---
 configure             | 207 +++++++++++++++++++++---------------------
 configure.in          |   1 +
 include/portable.h.in |   3 +
 3 files changed, 108 insertions(+), 103 deletions(-)

diff --git a/configure b/configure
index c479023227..c874c4d4f9 100755
--- a/configure
+++ b/configure
@@ -9680,6 +9680,7 @@ for ac_hdr in \
 	sys/ioctl.h		\
 	sys/param.h		\
 	sys/resource.h	\
+	sys/select.h	\
 	sys/socket.h	\
 	sys/syslog.h	\
 	sys/time.h		\
@@ -9691,17 +9692,17 @@ for ac_hdr in \
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:9695: checking for $ac_hdr" >&5
+echo "configure:9696: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 9700 "configure"
+#line 9701 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:9705: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:9706: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -9729,12 +9730,12 @@ done
 
 
 echo $ac_n "checking for uid_t in sys/types.h""... $ac_c" 1>&6
-echo "configure:9733: checking for uid_t in sys/types.h" >&5
+echo "configure:9734: checking for uid_t in sys/types.h" >&5
 if eval "test \"`echo '$''{'ac_cv_type_uid_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 9738 "configure"
+#line 9739 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 EOF
@@ -9763,7 +9764,7 @@ EOF
 fi
 
 echo $ac_n "checking type of array argument to getgroups""... $ac_c" 1>&6
-echo "configure:9767: checking type of array argument to getgroups" >&5
+echo "configure:9768: checking type of array argument to getgroups" >&5
 if eval "test \"`echo '$''{'ac_cv_type_getgroups'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -9771,7 +9772,7 @@ else
   ac_cv_type_getgroups=cross
 else
   cat > conftest.$ac_ext <<EOF
-#line 9775 "configure"
+#line 9776 "configure"
 #include "confdefs.h"
 
 /* Thanks to Mike Rendell for this test.  */
@@ -9796,7 +9797,7 @@ main()
 }
 
 EOF
-if { (eval echo configure:9800: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:9801: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
     ac_cv_type_getgroups=gid_t
 else
@@ -9810,7 +9811,7 @@ fi
 
 if test $ac_cv_type_getgroups = cross; then
         cat > conftest.$ac_ext <<EOF
-#line 9814 "configure"
+#line 9815 "configure"
 #include "confdefs.h"
 #include <unistd.h>
 EOF
@@ -9833,12 +9834,12 @@ cat >> confdefs.h <<EOF
 EOF
 
  echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6
-echo "configure:9837: checking for ANSI C header files" >&5
+echo "configure:9838: checking for ANSI C header files" >&5
 if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 9842 "configure"
+#line 9843 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 #include <stdarg.h>
@@ -9846,7 +9847,7 @@ else
 #include <float.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:9850: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:9851: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -9863,7 +9864,7 @@ rm -f conftest*
 if test $ac_cv_header_stdc = yes; then
   # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
 cat > conftest.$ac_ext <<EOF
-#line 9867 "configure"
+#line 9868 "configure"
 #include "confdefs.h"
 #include <string.h>
 EOF
@@ -9881,7 +9882,7 @@ fi
 if test $ac_cv_header_stdc = yes; then
   # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
 cat > conftest.$ac_ext <<EOF
-#line 9885 "configure"
+#line 9886 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
@@ -9902,7 +9903,7 @@ if test "$cross_compiling" = yes; then
   :
 else
   cat > conftest.$ac_ext <<EOF
-#line 9906 "configure"
+#line 9907 "configure"
 #include "confdefs.h"
 #include <ctype.h>
 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
@@ -9913,7 +9914,7 @@ if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
 exit (0); }
 
 EOF
-if { (eval echo configure:9917: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:9918: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   :
 else
@@ -9937,12 +9938,12 @@ EOF
 fi
 
 echo $ac_n "checking for mode_t""... $ac_c" 1>&6
-echo "configure:9941: checking for mode_t" >&5
+echo "configure:9942: checking for mode_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_mode_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 9946 "configure"
+#line 9947 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -9970,12 +9971,12 @@ EOF
 fi
 
 echo $ac_n "checking for off_t""... $ac_c" 1>&6
-echo "configure:9974: checking for off_t" >&5
+echo "configure:9975: checking for off_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_off_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 9979 "configure"
+#line 9980 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -10003,12 +10004,12 @@ EOF
 fi
 
 echo $ac_n "checking for pid_t""... $ac_c" 1>&6
-echo "configure:10007: checking for pid_t" >&5
+echo "configure:10008: checking for pid_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_pid_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 10012 "configure"
+#line 10013 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -10036,19 +10037,19 @@ EOF
 fi
 
 echo $ac_n "checking for ptrdiff_t""... $ac_c" 1>&6
-echo "configure:10040: checking for ptrdiff_t" >&5
+echo "configure:10041: checking for ptrdiff_t" >&5
 if eval "test \"`echo '$''{'am_cv_type_ptrdiff_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 10045 "configure"
+#line 10046 "configure"
 #include "confdefs.h"
 #include <stddef.h>
 int main() {
 ptrdiff_t p
 ; return 0; }
 EOF
-if { (eval echo configure:10052: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:10053: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   am_cv_type_ptrdiff_t=yes
 else
@@ -10069,12 +10070,12 @@ EOF
    fi
 
 echo $ac_n "checking return type of signal handlers""... $ac_c" 1>&6
-echo "configure:10073: checking return type of signal handlers" >&5
+echo "configure:10074: checking return type of signal handlers" >&5
 if eval "test \"`echo '$''{'ac_cv_type_signal'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 10078 "configure"
+#line 10079 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <signal.h>
@@ -10091,7 +10092,7 @@ int main() {
 int i;
 ; return 0; }
 EOF
-if { (eval echo configure:10095: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:10096: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_type_signal=void
 else
@@ -10110,19 +10111,19 @@ EOF
 
 
 echo $ac_n "checking for sig_atomic_t""... $ac_c" 1>&6
-echo "configure:10114: checking for sig_atomic_t" >&5
+echo "configure:10115: checking for sig_atomic_t" >&5
 if eval "test \"`echo '$''{'ol_cv_type_sig_atomic_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 10119 "configure"
+#line 10120 "configure"
 #include "confdefs.h"
 #include <signal.h>
 int main() {
 sig_atomic_t atomic;
 ; return 0; }
 EOF
-if { (eval echo configure:10126: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:10127: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ol_cv_type_sig_atomic_t=yes
 else
@@ -10143,12 +10144,12 @@ EOF
   fi
  
 echo $ac_n "checking for size_t""... $ac_c" 1>&6
-echo "configure:10147: checking for size_t" >&5
+echo "configure:10148: checking for size_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_size_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 10152 "configure"
+#line 10153 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -10176,12 +10177,12 @@ EOF
 fi
 
 echo $ac_n "checking for st_blksize in struct stat""... $ac_c" 1>&6
-echo "configure:10180: checking for st_blksize in struct stat" >&5
+echo "configure:10181: checking for st_blksize in struct stat" >&5
 if eval "test \"`echo '$''{'ac_cv_struct_st_blksize'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 10185 "configure"
+#line 10186 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -10189,7 +10190,7 @@ int main() {
 struct stat s; s.st_blksize;
 ; return 0; }
 EOF
-if { (eval echo configure:10193: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:10194: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_struct_st_blksize=yes
 else
@@ -10210,12 +10211,12 @@ EOF
 fi
 
 echo $ac_n "checking whether time.h and sys/time.h may both be included""... $ac_c" 1>&6
-echo "configure:10214: checking whether time.h and sys/time.h may both be included" >&5
+echo "configure:10215: checking whether time.h and sys/time.h may both be included" >&5
 if eval "test \"`echo '$''{'ac_cv_header_time'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 10219 "configure"
+#line 10220 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/time.h>
@@ -10224,7 +10225,7 @@ int main() {
 struct tm *tp;
 ; return 0; }
 EOF
-if { (eval echo configure:10228: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:10229: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_header_time=yes
 else
@@ -10245,12 +10246,12 @@ EOF
 fi
 
 echo $ac_n "checking whether struct tm is in sys/time.h or time.h""... $ac_c" 1>&6
-echo "configure:10249: checking whether struct tm is in sys/time.h or time.h" >&5
+echo "configure:10250: checking whether struct tm is in sys/time.h or time.h" >&5
 if eval "test \"`echo '$''{'ac_cv_struct_tm'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 10254 "configure"
+#line 10255 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <time.h>
@@ -10258,7 +10259,7 @@ int main() {
 struct tm *tp; tp->tm_sec;
 ; return 0; }
 EOF
-if { (eval echo configure:10262: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:10263: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_struct_tm=time.h
 else
@@ -10280,13 +10281,13 @@ fi
 
 # test for pw_gecos in struct passwd
 echo $ac_n "checking struct passwd for pw_gecos""... $ac_c" 1>&6
-echo "configure:10284: checking struct passwd for pw_gecos" >&5
+echo "configure:10285: checking struct passwd for pw_gecos" >&5
 if eval "test \"`echo '$''{'ol_cv_struct_passwd_pw_gecos'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
 	cat > conftest.$ac_ext <<EOF
-#line 10290 "configure"
+#line 10291 "configure"
 #include "confdefs.h"
 #include <pwd.h>
 int main() {
@@ -10296,7 +10297,7 @@ int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:10300: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:10301: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ol_cv_struct_passwd_pw_gecos=yes
 else
@@ -10319,7 +10320,7 @@ fi
 
 
 echo $ac_n "checking if toupper() requires islower()""... $ac_c" 1>&6
-echo "configure:10323: checking if toupper() requires islower()" >&5
+echo "configure:10324: checking if toupper() requires islower()" >&5
 if eval "test \"`echo '$''{'ol_cv_c_upper_lower'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -10328,7 +10329,7 @@ else
   ol_cv_c_upper_lower=safe
 else
   cat > conftest.$ac_ext <<EOF
-#line 10332 "configure"
+#line 10333 "configure"
 #include "confdefs.h"
 
 #include <ctype.h>
@@ -10340,7 +10341,7 @@ main()
 		exit(1);
 }
 EOF
-if { (eval echo configure:10344: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:10345: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ol_cv_c_upper_lower=no
 else
@@ -10363,12 +10364,12 @@ EOF
 fi
 
 echo $ac_n "checking for working const""... $ac_c" 1>&6
-echo "configure:10367: checking for working const" >&5
+echo "configure:10368: checking for working const" >&5
 if eval "test \"`echo '$''{'ac_cv_c_const'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 10372 "configure"
+#line 10373 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -10417,7 +10418,7 @@ ccp = (char const *const *) p;
 
 ; return 0; }
 EOF
-if { (eval echo configure:10421: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:10422: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_const=yes
 else
@@ -10438,12 +10439,12 @@ EOF
 fi
 
 echo $ac_n "checking if compiler understands volatile""... $ac_c" 1>&6
-echo "configure:10442: checking if compiler understands volatile" >&5
+echo "configure:10443: checking if compiler understands volatile" >&5
 if eval "test \"`echo '$''{'ol_cv_c_volatile'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 10447 "configure"
+#line 10448 "configure"
 #include "confdefs.h"
 int x, y, z;
 int main() {
@@ -10452,7 +10453,7 @@ volatile int a; int * volatile b = x ? &y : &z;
       *b = 0;
 ; return 0; }
 EOF
-if { (eval echo configure:10456: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:10457: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ol_cv_c_volatile=yes
 else
@@ -10482,14 +10483,14 @@ EOF
 
 else
 	echo $ac_n "checking whether byte ordering is bigendian""... $ac_c" 1>&6
-echo "configure:10486: checking whether byte ordering is bigendian" >&5
+echo "configure:10487: checking whether byte ordering is bigendian" >&5
 if eval "test \"`echo '$''{'ac_cv_c_bigendian'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_cv_c_bigendian=unknown
 # See if sys/param.h defines the BYTE_ORDER macro.
 cat > conftest.$ac_ext <<EOF
-#line 10493 "configure"
+#line 10494 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/param.h>
@@ -10500,11 +10501,11 @@ int main() {
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:10504: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:10505: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   # It does; now see whether it defined to BIG_ENDIAN or not.
 cat > conftest.$ac_ext <<EOF
-#line 10508 "configure"
+#line 10509 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/param.h>
@@ -10515,7 +10516,7 @@ int main() {
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:10519: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:10520: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_bigendian=yes
 else
@@ -10535,7 +10536,7 @@ if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 10539 "configure"
+#line 10540 "configure"
 #include "confdefs.h"
 main () {
   /* Are we little or big endian?  From Harbison&Steele.  */
@@ -10548,7 +10549,7 @@ main () {
   exit (u.c[sizeof (long) - 1] == 1);
 }
 EOF
-if { (eval echo configure:10552: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:10553: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_c_bigendian=no
 else
@@ -10572,7 +10573,7 @@ EOF
 fi
 
 	echo $ac_n "checking size of short""... $ac_c" 1>&6
-echo "configure:10576: checking size of short" >&5
+echo "configure:10577: checking size of short" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_short'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -10580,7 +10581,7 @@ else
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 10584 "configure"
+#line 10585 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -10591,7 +10592,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:10595: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:10596: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_short=`cat conftestval`
 else
@@ -10611,7 +10612,7 @@ EOF
 
  
 	echo $ac_n "checking size of int""... $ac_c" 1>&6
-echo "configure:10615: checking size of int" >&5
+echo "configure:10616: checking size of int" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_int'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -10619,7 +10620,7 @@ else
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 10623 "configure"
+#line 10624 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -10630,7 +10631,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:10634: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:10635: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_int=`cat conftestval`
 else
@@ -10650,7 +10651,7 @@ EOF
 
  
 	echo $ac_n "checking size of long""... $ac_c" 1>&6
-echo "configure:10654: checking size of long" >&5
+echo "configure:10655: checking size of long" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_long'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -10658,7 +10659,7 @@ else
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 10662 "configure"
+#line 10663 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -10669,7 +10670,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:10673: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:10674: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_long=`cat conftestval`
 else
@@ -10691,7 +10692,7 @@ EOF
 fi
 
 echo $ac_n "checking for 8-bit clean memcmp""... $ac_c" 1>&6
-echo "configure:10695: checking for 8-bit clean memcmp" >&5
+echo "configure:10696: checking for 8-bit clean memcmp" >&5
 if eval "test \"`echo '$''{'ac_cv_func_memcmp_clean'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -10699,7 +10700,7 @@ else
   ac_cv_func_memcmp_clean=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 10703 "configure"
+#line 10704 "configure"
 #include "confdefs.h"
 
 main()
@@ -10709,7 +10710,7 @@ main()
 }
 
 EOF
-if { (eval echo configure:10713: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:10714: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_func_memcmp_clean=yes
 else
@@ -10727,12 +10728,12 @@ echo "$ac_t""$ac_cv_func_memcmp_clean" 1>&6
 test $ac_cv_func_memcmp_clean = no && LIBOBJS="$LIBOBJS memcmp.${ac_objext}"
 
 echo $ac_n "checking for strftime""... $ac_c" 1>&6
-echo "configure:10731: checking for strftime" >&5
+echo "configure:10732: checking for strftime" >&5
 if eval "test \"`echo '$''{'ac_cv_func_strftime'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 10736 "configure"
+#line 10737 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char strftime(); below.  */
@@ -10755,7 +10756,7 @@ strftime();
 
 ; return 0; }
 EOF
-if { (eval echo configure:10759: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:10760: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_strftime=yes"
 else
@@ -10777,7 +10778,7 @@ else
   echo "$ac_t""no" 1>&6
 # strftime is in -lintl on SCO UNIX.
 echo $ac_n "checking for strftime in -lintl""... $ac_c" 1>&6
-echo "configure:10781: checking for strftime in -lintl" >&5
+echo "configure:10782: checking for strftime in -lintl" >&5
 ac_lib_var=`echo intl'_'strftime | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -10785,7 +10786,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lintl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 10789 "configure"
+#line 10790 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -10796,7 +10797,7 @@ int main() {
 strftime()
 ; return 0; }
 EOF
-if { (eval echo configure:10800: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:10801: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -10824,12 +10825,12 @@ fi
 
 
 echo $ac_n "checking for vprintf""... $ac_c" 1>&6
-echo "configure:10828: checking for vprintf" >&5
+echo "configure:10829: checking for vprintf" >&5
 if eval "test \"`echo '$''{'ac_cv_func_vprintf'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 10833 "configure"
+#line 10834 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char vprintf(); below.  */
@@ -10852,7 +10853,7 @@ vprintf();
 
 ; return 0; }
 EOF
-if { (eval echo configure:10856: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:10857: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_vprintf=yes"
 else
@@ -10876,12 +10877,12 @@ fi
 
 if test "$ac_cv_func_vprintf" != yes; then
 echo $ac_n "checking for _doprnt""... $ac_c" 1>&6
-echo "configure:10880: checking for _doprnt" >&5
+echo "configure:10881: checking for _doprnt" >&5
 if eval "test \"`echo '$''{'ac_cv_func__doprnt'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 10885 "configure"
+#line 10886 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char _doprnt(); below.  */
@@ -10904,7 +10905,7 @@ _doprnt();
 
 ; return 0; }
 EOF
-if { (eval echo configure:10908: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:10909: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func__doprnt=yes"
 else
@@ -10933,12 +10934,12 @@ if test $ac_cv_func_vprintf = yes ; then
 		for ac_func in vsnprintf vsprintf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:10937: checking for $ac_func" >&5
+echo "configure:10938: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 10942 "configure"
+#line 10943 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -10961,7 +10962,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:10965: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:10966: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -11029,12 +11030,12 @@ for ac_func in \
 
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:11033: checking for $ac_func" >&5
+echo "configure:11034: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 11038 "configure"
+#line 11039 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -11057,7 +11058,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:11061: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:11062: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -11085,12 +11086,12 @@ done
 for ac_func in getopt tempnam
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:11089: checking for $ac_func" >&5
+echo "configure:11090: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 11094 "configure"
+#line 11095 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -11113,7 +11114,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:11117: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:11118: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -11143,13 +11144,13 @@ done
 # Check Configuration
 
 echo $ac_n "checking declaration of sys_errlist""... $ac_c" 1>&6
-echo "configure:11147: checking declaration of sys_errlist" >&5
+echo "configure:11148: checking declaration of sys_errlist" >&5
 if eval "test \"`echo '$''{'ol_cv_dcl_sys_errlist'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
 	cat > conftest.$ac_ext <<EOF
-#line 11153 "configure"
+#line 11154 "configure"
 #include "confdefs.h"
 
 #include <stdio.h>
@@ -11159,7 +11160,7 @@ int main() {
 char *c = (char *) *sys_errlist
 ; return 0; }
 EOF
-if { (eval echo configure:11163: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:11164: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ol_cv_dcl_sys_errlist=yes
 else
@@ -11179,20 +11180,20 @@ if test $ol_cv_dcl_sys_errlist = no ; then
 EOF
 
 	echo $ac_n "checking existence of sys_errlist""... $ac_c" 1>&6
-echo "configure:11183: checking existence of sys_errlist" >&5
+echo "configure:11184: checking existence of sys_errlist" >&5
 	if eval "test \"`echo '$''{'ol_cv_have_sys_errlist'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
 		cat > conftest.$ac_ext <<EOF
-#line 11189 "configure"
+#line 11190 "configure"
 #include "confdefs.h"
 #include <errno.h>
 int main() {
 char *c = (char *) *sys_errlist
 ; return 0; }
 EOF
-if { (eval echo configure:11196: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:11197: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ol_cv_have_sys_errlist=yes
 else
@@ -11216,13 +11217,13 @@ fi
 
 
 echo $ac_n "checking strdup declaration""... $ac_c" 1>&6
-echo "configure:11220: checking strdup declaration" >&5
+echo "configure:11221: checking strdup declaration" >&5
 if eval "test \"`echo '$''{'ol_cv_dcl_strdup'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
 	cat > conftest.$ac_ext <<EOF
-#line 11226 "configure"
+#line 11227 "configure"
 #include "confdefs.h"
 
 #include <string.h> 
@@ -11230,7 +11231,7 @@ int main() {
 extern char *strdup();
 ; return 0; }
 EOF
-if { (eval echo configure:11234: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:11235: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ol_cv_dcl_strdup=yes
 else
diff --git a/configure.in b/configure.in
index 3881bbe983..780ee27c24 100644
--- a/configure.in
+++ b/configure.in
@@ -1492,6 +1492,7 @@ AC_CHECK_HEADERS(	\
 	sys/ioctl.h		\
 	sys/param.h		\
 	sys/resource.h	\
+	sys/select.h	\
 	sys/socket.h	\
 	sys/syslog.h	\
 	sys/time.h		\
diff --git a/include/portable.h.in b/include/portable.h.in
index 22c87c344b..4db74cc585 100644
--- a/include/portable.h.in
+++ b/include/portable.h.in
@@ -540,6 +540,9 @@
 /* Define if you have the <sys/resource.h> header file.  */
 #undef HAVE_SYS_RESOURCE_H
 
+/* Define if you have the <sys/select.h> header file.  */
+#undef HAVE_SYS_SELECT_H
+
 /* Define if you have the <sys/socket.h> header file.  */
 #undef HAVE_SYS_SOCKET_H
 
-- 
2.39.5