+int
+main (void)
+{
+int x = SIGWINCH
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:4643: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:4646: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:4649: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:4652: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ cf_cv_define_sigwinch=yes
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+cat >conftest.$ac_ext <<_ACEOF
+#line 4659 "configure"
+#include "confdefs.h"
+
+#undef _XOPEN_SOURCE
+#undef _POSIX_SOURCE
+#undef _POSIX_C_SOURCE
+#include <sys/types.h>
+#include <sys/signal.h>
+
+int
+main (void)
+{
+int x = SIGWINCH
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:4677: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:4680: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:4683: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:4686: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ cf_cv_define_sigwinch=maybe
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+cf_cv_define_sigwinch=no
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+
+fi
+echo "$as_me:4700: result: $cf_cv_define_sigwinch" >&5
+echo "${ECHO_T}$cf_cv_define_sigwinch" >&6
+
+if test "$cf_cv_define_sigwinch" = maybe ; then
+echo "$as_me:4704: checking for actual SIGWINCH definition" >&5
+echo $ECHO_N "checking for actual SIGWINCH definition... $ECHO_C" >&6
+if test "${cf_cv_fixup_sigwinch+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+cf_cv_fixup_sigwinch=unknown
+cf_sigwinch=32
+while test $cf_sigwinch != 1
+do
+ cat >conftest.$ac_ext <<_ACEOF
+#line 4715 "configure"
+#include "confdefs.h"
+
+#undef _XOPEN_SOURCE
+#undef _POSIX_SOURCE
+#undef _POSIX_C_SOURCE
+#include <sys/types.h>
+#include <sys/signal.h>
+
+int
+main (void)
+{
+
+#if SIGWINCH != $cf_sigwinch
+make an error
+#endif
+int x = SIGWINCH
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:4737: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:4740: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:4743: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:4746: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ cf_cv_fixup_sigwinch=$cf_sigwinch
+ break
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+
+cf_sigwinch=`expr $cf_sigwinch - 1`
+done
+
+fi
+echo "$as_me:4760: result: $cf_cv_fixup_sigwinch" >&5
+echo "${ECHO_T}$cf_cv_fixup_sigwinch" >&6
+
+ if test "$cf_cv_fixup_sigwinch" != unknown ; then
+ CPPFLAGS="$CPPFLAGS -DSIGWINCH=$cf_cv_fixup_sigwinch"
+ fi
+fi
+
+# Checks for CODESET support.
+
+echo "$as_me:4770: checking for nl_langinfo and CODESET" >&5
+echo $ECHO_N "checking for nl_langinfo and CODESET... $ECHO_C" >&6
+if test "${am_cv_langinfo_codeset+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+#line 4776 "configure"
+#include "confdefs.h"
+#include <langinfo.h>
+int
+main (void)
+{
+char* cs = nl_langinfo(CODESET);
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:4788: \"$ac_link\"") >&5
+ (eval $ac_link) 2>&5
+ ac_status=$?
+ echo "$as_me:4791: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest$ac_exeext'
+ { (eval echo "$as_me:4794: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:4797: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ am_cv_langinfo_codeset=yes
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+am_cv_langinfo_codeset=no
+fi
+rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+
+fi
+echo "$as_me:4808: result: $am_cv_langinfo_codeset" >&5
+echo "${ECHO_T}$am_cv_langinfo_codeset" >&6
+ if test $am_cv_langinfo_codeset = yes; then
+
+cat >>confdefs.h <<\EOF
+#define HAVE_LANGINFO_CODESET 1
+EOF
+
+ fi
+
+echo "$as_me:4818: checking if you want to use pkg-config" >&5
+echo $ECHO_N "checking if you want to use pkg-config... $ECHO_C" >&6
+
+# Check whether --with-pkg-config or --without-pkg-config was given.
+if test "${with_pkg_config+set}" = set; then
+ withval="$with_pkg_config"
+ cf_pkg_config=$withval
+else
+ cf_pkg_config=yes
+fi;
+echo "$as_me:4828: result: $cf_pkg_config" >&5
+echo "${ECHO_T}$cf_pkg_config" >&6
+
+case $cf_pkg_config in
+(no)
+ PKG_CONFIG=none
+ ;;
+(yes)
+
+if test -n "$ac_tool_prefix"; then
+ # Extract the first word of "${ac_tool_prefix}pkg-config", so it can be a program name with args.
+set dummy ${ac_tool_prefix}pkg-config; ac_word=$2
+echo "$as_me:4840: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
+if test "${ac_cv_path_PKG_CONFIG+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ case $PKG_CONFIG in
+ [\\/]* | ?:[\\/]*)
+ ac_cv_path_PKG_CONFIG="$PKG_CONFIG" # Let the user override the test with a path.
+ ;;
+ *)
+ ac_save_IFS=$IFS; IFS=$ac_path_separator
+ac_dummy="$PATH"
+for ac_dir in $ac_dummy; do
+ IFS=$ac_save_IFS
+ test -z "$ac_dir" && ac_dir=.
+ if $as_executable_p "$ac_dir/$ac_word"; then
+ ac_cv_path_PKG_CONFIG="$ac_dir/$ac_word"
+ echo "$as_me:4857: found $ac_dir/$ac_word" >&5
+ break
+fi
+done
+
+ ;;
+esac
+fi
+PKG_CONFIG=$ac_cv_path_PKG_CONFIG
+
+if test -n "$PKG_CONFIG"; then
+ echo "$as_me:4868: result: $PKG_CONFIG" >&5
+echo "${ECHO_T}$PKG_CONFIG" >&6
+else
+ echo "$as_me:4871: result: no" >&5
+echo "${ECHO_T}no" >&6
+fi
+
+fi
+if test -z "$ac_cv_path_PKG_CONFIG"; then
+ ac_pt_PKG_CONFIG=$PKG_CONFIG
+ # Extract the first word of "pkg-config", so it can be a program name with args.
+set dummy pkg-config; ac_word=$2
+echo "$as_me:4880: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
+if test "${ac_cv_path_ac_pt_PKG_CONFIG+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else