From 18ff05380b97c423b27dfe6e9a724a8d326dff68 Mon Sep 17 00:00:00 2001
From: Kevin Buettner <kevinb@redhat.com>
Date: Wed, 24 Jul 2002 21:30:46 +0000
Subject: 	* gdbserver/configure.in (unistd.h): Add to AC_CHECK_HEADERS
 list. 	* gdbserver/configure: Regenerate. 	* gdbserver/config.in:
 Regenerate.

---
 gdb/ChangeLog              |   6 ++
 gdb/gdbserver/config.in    |   3 +
 gdb/gdbserver/configure    | 143 +++++++++++++++++++++------------------------
 gdb/gdbserver/configure.in |   2 +-
 4 files changed, 76 insertions(+), 78 deletions(-)

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 7191190..79ac321 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,9 @@
+2002-07-24  Kevin Buettner  <kevinb@redhat.com>
+
+	* gdbserver/configure.in (unistd.h): Add to AC_CHECK_HEADERS list.
+	* gdbserver/configure: Regenerate.
+	* gdbserver/config.in: Regenerate.
+
 2002-07-24  Andrew Cagney  <cagney@redhat.com>
 
 	* regcache.c (regcache_raw_write): Change buf parameter to a
diff --git a/gdb/gdbserver/config.in b/gdb/gdbserver/config.in
index cdaeb8d..e5cb0a7 100644
--- a/gdb/gdbserver/config.in
+++ b/gdb/gdbserver/config.in
@@ -43,6 +43,9 @@
 /* Define if you have the <thread_db.h> header file.  */
 #undef HAVE_THREAD_DB_H
 
+/* Define if you have the <unistd.h> header file.  */
+#undef HAVE_UNISTD_H
+
 /* Define if <sys/procfs.h> has lwpid_t. */
 #undef HAVE_LWPID_T
 
diff --git a/gdb/gdbserver/configure b/gdb/gdbserver/configure
index d2575c0..f88f4ac 100755
--- a/gdb/gdbserver/configure
+++ b/gdb/gdbserver/configure
@@ -28,7 +28,6 @@ program_suffix=NONE
 program_transform_name=s,x,x,
 silent=
 site=
-sitefile=
 srcdir=
 target=NONE
 verbose=
@@ -143,7 +142,6 @@ Configuration:
   --help                  print this message
   --no-create             do not create output files
   --quiet, --silent       do not print \`checking...' messages
-  --site-file=FILE        use FILE as the site file
   --version               print the version of autoconf that created configure
 Directory and file names:
   --prefix=PREFIX         install architecture-independent files in PREFIX
@@ -314,11 +312,6 @@ EOF
   -site=* | --site=* | --sit=*)
     site="$ac_optarg" ;;
 
-  -site-file | --site-file | --site-fil | --site-fi | --site-f)
-    ac_prev=sitefile ;;
-  -site-file=* | --site-file=* | --site-fil=* | --site-fi=* | --site-f=*)
-    sitefile="$ac_optarg" ;;
-
   -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
     ac_prev=srcdir ;;
   -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
@@ -484,16 +477,12 @@ fi
 srcdir=`echo "${srcdir}" | sed 's%\([^/]\)/*$%\1%'`
 
 # Prefer explicitly selected file to automatically selected ones.
-if test -z "$sitefile"; then
-  if test -z "$CONFIG_SITE"; then
-    if test "x$prefix" != xNONE; then
-      CONFIG_SITE="$prefix/share/config.site $prefix/etc/config.site"
-    else
-      CONFIG_SITE="$ac_default_prefix/share/config.site $ac_default_prefix/etc/config.site"
-    fi
+if test -z "$CONFIG_SITE"; then
+  if test "x$prefix" != xNONE; then
+    CONFIG_SITE="$prefix/share/config.site $prefix/etc/config.site"
+  else
+    CONFIG_SITE="$ac_default_prefix/share/config.site $ac_default_prefix/etc/config.site"
   fi
-else
-  CONFIG_SITE="$sitefile"
 fi
 for ac_site_file in $CONFIG_SITE; do
   if test -r "$ac_site_file"; then
@@ -537,7 +526,7 @@ fi
 # Extract the first word of "gcc", so it can be a program name with args.
 set dummy gcc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:541: checking for $ac_word" >&5
+echo "configure:530: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -567,7 +556,7 @@ if test -z "$CC"; then
   # Extract the first word of "cc", so it can be a program name with args.
 set dummy cc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:571: checking for $ac_word" >&5
+echo "configure:560: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -618,7 +607,7 @@ fi
       # Extract the first word of "cl", so it can be a program name with args.
 set dummy cl; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:622: checking for $ac_word" >&5
+echo "configure:611: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -650,7 +639,7 @@ fi
 fi
 
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:654: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+echo "configure:643: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
 
 ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -661,12 +650,12 @@ cross_compiling=$ac_cv_prog_cc_cross
 
 cat > conftest.$ac_ext << EOF
 
-#line 665 "configure"
+#line 654 "configure"
 #include "confdefs.h"
 
 main(){return(0);}
 EOF
-if { (eval echo configure:670: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:659: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   ac_cv_prog_cc_works=yes
   # If we can't run a trivial program, we are probably using a cross compiler.
   if (./conftest; exit) 2>/dev/null; then
@@ -692,12 +681,12 @@ if test $ac_cv_prog_cc_works = no; then
   { echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&2; exit 1; }
 fi
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:696: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:685: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
 echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6
 cross_compiling=$ac_cv_prog_cc_cross
 
 echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
-echo "configure:701: checking whether we are using GNU C" >&5
+echo "configure:690: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -706,7 +695,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:710: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:699: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gcc=yes
 else
   ac_cv_prog_gcc=no
@@ -725,7 +714,7 @@ ac_test_CFLAGS="${CFLAGS+set}"
 ac_save_CFLAGS="$CFLAGS"
 CFLAGS=
 echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-echo "configure:729: checking whether ${CC-cc} accepts -g" >&5
+echo "configure:718: checking whether ${CC-cc} accepts -g" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -804,7 +793,7 @@ else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; }
 fi
 
 echo $ac_n "checking host system type""... $ac_c" 1>&6
-echo "configure:808: checking host system type" >&5
+echo "configure:797: checking host system type" >&5
 
 host_alias=$host
 case "$host_alias" in
@@ -825,7 +814,7 @@ host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 echo "$ac_t""$host" 1>&6
 
 echo $ac_n "checking target system type""... $ac_c" 1>&6
-echo "configure:829: checking target system type" >&5
+echo "configure:818: checking target system type" >&5
 
 target_alias=$target
 case "$target_alias" in
@@ -843,7 +832,7 @@ target_os=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 echo "$ac_t""$target" 1>&6
 
 echo $ac_n "checking build system type""... $ac_c" 1>&6
-echo "configure:847: checking build system type" >&5
+echo "configure:836: checking build system type" >&5
 
 build_alias=$build
 case "$build_alias" in
@@ -878,7 +867,7 @@ test "$host_alias" != "$target_alias" &&
 # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
 # ./install, which can be erroneously created by make from ./install.sh.
 echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6
-echo "configure:882: checking for a BSD compatible install" >&5
+echo "configure:871: checking for a BSD compatible install" >&5
 if test -z "$INSTALL"; then
 if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -932,7 +921,7 @@ test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 
 
 echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
-echo "configure:936: checking how to run the C preprocessor" >&5
+echo "configure:925: checking how to run the C preprocessor" >&5
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
@@ -947,13 +936,13 @@ else
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp.
   cat > conftest.$ac_ext <<EOF
-#line 951 "configure"
+#line 940 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:957: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:946: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -964,13 +953,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -E -traditional-cpp"
   cat > conftest.$ac_ext <<EOF
-#line 968 "configure"
+#line 957 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:974: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:963: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -981,13 +970,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -nologo -E"
   cat > conftest.$ac_ext <<EOF
-#line 985 "configure"
+#line 974 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:991: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:980: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -1012,12 +1001,12 @@ fi
 echo "$ac_t""$CPP" 1>&6
 
 echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6
-echo "configure:1016: checking for ANSI C header files" >&5
+echo "configure:1005: checking for ANSI C header files" >&5
 if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1021 "configure"
+#line 1010 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 #include <stdarg.h>
@@ -1025,7 +1014,7 @@ else
 #include <float.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1029: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1018: \"$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*
@@ -1042,7 +1031,7 @@ 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 1046 "configure"
+#line 1035 "configure"
 #include "confdefs.h"
 #include <string.h>
 EOF
@@ -1060,7 +1049,7 @@ 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 1064 "configure"
+#line 1053 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
@@ -1081,7 +1070,7 @@ if test "$cross_compiling" = yes; then
   :
 else
   cat > conftest.$ac_ext <<EOF
-#line 1085 "configure"
+#line 1074 "configure"
 #include "confdefs.h"
 #include <ctype.h>
 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
@@ -1092,7 +1081,7 @@ if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
 exit (0); }
 
 EOF
-if { (eval echo configure:1096: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:1085: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   :
 else
@@ -1116,21 +1105,21 @@ EOF
 fi
 
 
-for ac_hdr in sgtty.h termio.h termios.h sys/reg.h string.h 		 proc_service.h sys/procfs.h thread_db.h linux/elf.h
+for ac_hdr in sgtty.h termio.h termios.h sys/reg.h string.h 		 proc_service.h sys/procfs.h thread_db.h linux/elf.h unistd.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:1124: checking for $ac_hdr" >&5
+echo "configure:1113: 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 1129 "configure"
+#line 1118 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1134: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1123: \"$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*
@@ -1168,19 +1157,19 @@ fi
 
 if test "${srv_linux_regsets}" = "yes"; then
   echo $ac_n "checking for PTRACE_GETREGS""... $ac_c" 1>&6
-echo "configure:1172: checking for PTRACE_GETREGS" >&5
+echo "configure:1161: checking for PTRACE_GETREGS" >&5
   if eval "test \"`echo '$''{'gdbsrv_cv_have_ptrace_getregs'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1177 "configure"
+#line 1166 "configure"
 #include "confdefs.h"
 #include <sys/ptrace.h>
 int main() {
 PTRACE_GETREGS;
 ; return 0; }
 EOF
-if { (eval echo configure:1184: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1173: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   gdbsrv_cv_have_ptrace_getregs=yes
 else
@@ -1201,19 +1190,19 @@ EOF
   fi
 
   echo $ac_n "checking for PTRACE_GETFPXREGS""... $ac_c" 1>&6
-echo "configure:1205: checking for PTRACE_GETFPXREGS" >&5
+echo "configure:1194: checking for PTRACE_GETFPXREGS" >&5
   if eval "test \"`echo '$''{'gdbsrv_cv_have_ptrace_getfpxregs'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1210 "configure"
+#line 1199 "configure"
 #include "confdefs.h"
 #include <sys/ptrace.h>
 int main() {
 PTRACE_GETFPXREGS;
 ; return 0; }
 EOF
-if { (eval echo configure:1217: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1206: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   gdbsrv_cv_have_ptrace_getfpxregs=yes
 else
@@ -1236,12 +1225,12 @@ fi
 
 if test "$ac_cv_header_sys_procfs_h" = yes; then
   echo $ac_n "checking for lwpid_t in sys/procfs.h""... $ac_c" 1>&6
-echo "configure:1240: checking for lwpid_t in sys/procfs.h" >&5
+echo "configure:1229: checking for lwpid_t in sys/procfs.h" >&5
  if eval "test \"`echo '$''{'bfd_cv_have_sys_procfs_type_lwpid_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1245 "configure"
+#line 1234 "configure"
 #include "confdefs.h"
 
 #define _SYSCALL32
@@ -1250,7 +1239,7 @@ int main() {
 lwpid_t avar
 ; return 0; }
 EOF
-if { (eval echo configure:1254: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1243: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   bfd_cv_have_sys_procfs_type_lwpid_t=yes
 else
@@ -1272,12 +1261,12 @@ EOF
  echo "$ac_t""$bfd_cv_have_sys_procfs_type_lwpid_t" 1>&6
 
   echo $ac_n "checking for psaddr_t in sys/procfs.h""... $ac_c" 1>&6
-echo "configure:1276: checking for psaddr_t in sys/procfs.h" >&5
+echo "configure:1265: checking for psaddr_t in sys/procfs.h" >&5
  if eval "test \"`echo '$''{'bfd_cv_have_sys_procfs_type_psaddr_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1281 "configure"
+#line 1270 "configure"
 #include "confdefs.h"
 
 #define _SYSCALL32
@@ -1286,7 +1275,7 @@ int main() {
 psaddr_t avar
 ; return 0; }
 EOF
-if { (eval echo configure:1290: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1279: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   bfd_cv_have_sys_procfs_type_psaddr_t=yes
 else
@@ -1308,12 +1297,12 @@ EOF
  echo "$ac_t""$bfd_cv_have_sys_procfs_type_psaddr_t" 1>&6
 
   echo $ac_n "checking for prgregset_t in sys/procfs.h""... $ac_c" 1>&6
-echo "configure:1312: checking for prgregset_t in sys/procfs.h" >&5
+echo "configure:1301: checking for prgregset_t in sys/procfs.h" >&5
  if eval "test \"`echo '$''{'bfd_cv_have_sys_procfs_type_prgregset_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1317 "configure"
+#line 1306 "configure"
 #include "confdefs.h"
 
 #define _SYSCALL32
@@ -1322,7 +1311,7 @@ int main() {
 prgregset_t avar
 ; return 0; }
 EOF
-if { (eval echo configure:1326: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1315: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   bfd_cv_have_sys_procfs_type_prgregset_t=yes
 else
@@ -1344,12 +1333,12 @@ EOF
  echo "$ac_t""$bfd_cv_have_sys_procfs_type_prgregset_t" 1>&6
 
   echo $ac_n "checking for prfpregset_t in sys/procfs.h""... $ac_c" 1>&6
-echo "configure:1348: checking for prfpregset_t in sys/procfs.h" >&5
+echo "configure:1337: checking for prfpregset_t in sys/procfs.h" >&5
  if eval "test \"`echo '$''{'bfd_cv_have_sys_procfs_type_prfpregset_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1353 "configure"
+#line 1342 "configure"
 #include "confdefs.h"
 
 #define _SYSCALL32
@@ -1358,7 +1347,7 @@ int main() {
 prfpregset_t avar
 ; return 0; }
 EOF
-if { (eval echo configure:1362: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1351: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   bfd_cv_have_sys_procfs_type_prfpregset_t=yes
 else
@@ -1384,7 +1373,7 @@ EOF
         
   if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
     echo $ac_n "checking whether prfpregset_t type is broken""... $ac_c" 1>&6
-echo "configure:1388: checking whether prfpregset_t type is broken" >&5
+echo "configure:1377: checking whether prfpregset_t type is broken" >&5
     if eval "test \"`echo '$''{'gdb_cv_prfpregset_t_broken'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1392,7 +1381,7 @@ else
   gdb_cv_prfpregset_t_broken=yes
 else
   cat > conftest.$ac_ext <<EOF
-#line 1396 "configure"
+#line 1385 "configure"
 #include "confdefs.h"
 #include <sys/procfs.h>
        int main ()
@@ -1402,7 +1391,7 @@ else
          return 0;
        }
 EOF
-if { (eval echo configure:1406: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:1395: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   gdb_cv_prfpregset_t_broken=no
 else
@@ -1426,12 +1415,12 @@ EOF
   fi
 
   echo $ac_n "checking for elf_fpregset_t in sys/procfs.h""... $ac_c" 1>&6
-echo "configure:1430: checking for elf_fpregset_t in sys/procfs.h" >&5
+echo "configure:1419: checking for elf_fpregset_t in sys/procfs.h" >&5
  if eval "test \"`echo '$''{'bfd_cv_have_sys_procfs_type_elf_fpregset_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1435 "configure"
+#line 1424 "configure"
 #include "confdefs.h"
 
 #define _SYSCALL32
@@ -1440,7 +1429,7 @@ int main() {
 elf_fpregset_t avar
 ; return 0; }
 EOF
-if { (eval echo configure:1444: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1433: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   bfd_cv_have_sys_procfs_type_elf_fpregset_t=yes
 else
@@ -1469,14 +1458,14 @@ USE_THREAD_DB=
 
 if test "$srv_linux_thread_db" = "yes"; then
   echo $ac_n "checking for libthread_db""... $ac_c" 1>&6
-echo "configure:1473: checking for libthread_db" >&5
+echo "configure:1462: checking for libthread_db" >&5
 if eval "test \"`echo '$''{'srv_cv_thread_db'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   old_LIBS="$LIBS"
   LIBS="$LIBS -lthread_db"
   cat > conftest.$ac_ext <<EOF
-#line 1480 "configure"
+#line 1469 "configure"
 #include "confdefs.h"
 void ps_pglobal_lookup() {}
    void ps_pdread() {}
@@ -1490,7 +1479,7 @@ int main() {
 td_ta_new();
 ; return 0; }
 EOF
-if { (eval echo configure:1494: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1483: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   srv_cv_thread_db="-lthread_db"
 else
@@ -1506,7 +1495,7 @@ else
  fi
  LIBS="$old_LIBS `eval echo "$thread_db"`"
  cat > conftest.$ac_ext <<EOF
-#line 1510 "configure"
+#line 1499 "configure"
 #include "confdefs.h"
 void ps_pglobal_lookup() {}
    void ps_pdread() {}
@@ -1520,7 +1509,7 @@ int main() {
 td_ta_new();
 ; return 0; }
 EOF
-if { (eval echo configure:1524: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1513: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   srv_cv_thread_db="$thread_db"
 else
diff --git a/gdb/gdbserver/configure.in b/gdb/gdbserver/configure.in
index 7c94d40..cb6feed 100644
--- a/gdb/gdbserver/configure.in
+++ b/gdb/gdbserver/configure.in
@@ -31,7 +31,7 @@ AC_PROG_INSTALL
 AC_HEADER_STDC
 
 AC_CHECK_HEADERS(sgtty.h termio.h termios.h sys/reg.h string.h dnl
-		 proc_service.h sys/procfs.h thread_db.h linux/elf.h)
+		 proc_service.h sys/procfs.h thread_db.h linux/elf.h unistd.h)
 
 . ${srcdir}/configure.srv
 
-- 
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