+LIBS="-lx $LIBS"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 18867 "configure"
+#include "confdefs.h"
+
+/* Override any gcc2 internal prototype to avoid an error. */
+#ifdef __cplusplus
+extern "C"
+#endif
+/* We use char because int might match the return type of a gcc2
+ builtin and then its argument prototype would still apply. */
+char opendir ();
+int
+main (void)
+{
+opendir ();
+ ;
+ return 0;
+}
+_ACEOF
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:18886: \"$ac_link\"") >&5
+ (eval $ac_link) 2>&5
+ ac_status=$?
+ echo "$as_me:18889: \$? = $ac_status" >&5
+ (exit "$ac_status"); } &&
+ { ac_try='test -s "conftest$ac_exeext"'
+ { (eval echo "$as_me:18892: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:18895: \$? = $ac_status" >&5
+ (exit "$ac_status"); }; }; then
+ ac_cv_lib_x_opendir=yes
+else
+ echo "$as_me: failed program was:" >&5
+cat "conftest.$ac_ext" >&5
+ac_cv_lib_x_opendir=no
+fi
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
+LIBS=$ac_check_lib_save_LIBS
+fi
+echo "$as_me:18906: result: $ac_cv_lib_x_opendir" >&5
+echo "${ECHO_T}$ac_cv_lib_x_opendir" >&6
+if test "$ac_cv_lib_x_opendir" = yes; then
+ LIBS="$LIBS -lx"
+fi
+
+fi
+
+echo "$as_me:18914: checking whether time.h and sys/time.h may both be included" >&5
+echo $ECHO_N "checking whether time.h and sys/time.h may both be included... $ECHO_C" >&6
+if test "${ac_cv_header_time+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >"conftest.$ac_ext" <<_ACEOF
+#line 18920 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+#include <sys/time.h>
+#include <time.h>
+
+int
+main (void)
+{
+if ((struct tm *) 0)
+return 0;
+ ;
+ return 0;
+}
+_ACEOF
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:18936: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:18939: \$? = $ac_status" >&5
+ (exit "$ac_status"); } &&
+ { ac_try='test -s "conftest.$ac_objext"'
+ { (eval echo "$as_me:18942: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:18945: \$? = $ac_status" >&5
+ (exit "$ac_status"); }; }; then
+ ac_cv_header_time=yes
+else
+ echo "$as_me: failed program was:" >&5
+cat "conftest.$ac_ext" >&5
+ac_cv_header_time=no
+fi
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
+fi
+echo "$as_me:18955: result: $ac_cv_header_time" >&5
+echo "${ECHO_T}$ac_cv_header_time" >&6
+if test $ac_cv_header_time = yes; then
+
+cat >>confdefs.h <<\EOF
+#define TIME_WITH_SYS_TIME 1
+EOF
+
+fi
+
+cf_regex_func=no
+cf_regex_libs=
+case "$host_os" in
+(mingw*)
+ # -lsystre -ltre -lintl -liconv
+ echo "$as_me:18970: checking for regcomp in -lsystre" >&5
+echo $ECHO_N "checking for regcomp in -lsystre... $ECHO_C" >&6
+if test "${ac_cv_lib_systre_regcomp+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ ac_check_lib_save_LIBS=$LIBS
+LIBS="-lsystre $LIBS"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 18978 "configure"
+#include "confdefs.h"
+
+/* Override any gcc2 internal prototype to avoid an error. */
+#ifdef __cplusplus
+extern "C"
+#endif
+/* We use char because int might match the return type of a gcc2
+ builtin and then its argument prototype would still apply. */
+char regcomp ();
+int
+main (void)
+{
+regcomp ();
+ ;
+ return 0;
+}
+_ACEOF
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:18997: \"$ac_link\"") >&5
+ (eval $ac_link) 2>&5
+ ac_status=$?
+ echo "$as_me:19000: \$? = $ac_status" >&5
+ (exit "$ac_status"); } &&
+ { ac_try='test -s "conftest$ac_exeext"'
+ { (eval echo "$as_me:19003: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:19006: \$? = $ac_status" >&5
+ (exit "$ac_status"); }; }; then
+ ac_cv_lib_systre_regcomp=yes
+else
+ echo "$as_me: failed program was:" >&5
+cat "conftest.$ac_ext" >&5
+ac_cv_lib_systre_regcomp=no
+fi
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
+LIBS=$ac_check_lib_save_LIBS
+fi
+echo "$as_me:19017: result: $ac_cv_lib_systre_regcomp" >&5
+echo "${ECHO_T}$ac_cv_lib_systre_regcomp" >&6
+if test "$ac_cv_lib_systre_regcomp" = yes; then
+
+ echo "$as_me:19021: checking for libiconv_open in -liconv" >&5
+echo $ECHO_N "checking for libiconv_open in -liconv... $ECHO_C" >&6
+if test "${ac_cv_lib_iconv_libiconv_open+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ ac_check_lib_save_LIBS=$LIBS
+LIBS="-liconv $LIBS"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 19029 "configure"
+#include "confdefs.h"
+
+/* Override any gcc2 internal prototype to avoid an error. */
+#ifdef __cplusplus
+extern "C"
+#endif
+/* We use char because int might match the return type of a gcc2
+ builtin and then its argument prototype would still apply. */
+char libiconv_open ();
+int
+main (void)
+{
+libiconv_open ();
+ ;
+ return 0;
+}
+_ACEOF
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:19048: \"$ac_link\"") >&5
+ (eval $ac_link) 2>&5
+ ac_status=$?
+ echo "$as_me:19051: \$? = $ac_status" >&5
+ (exit "$ac_status"); } &&
+ { ac_try='test -s "conftest$ac_exeext"'
+ { (eval echo "$as_me:19054: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:19057: \$? = $ac_status" >&5
+ (exit "$ac_status"); }; }; then
+ ac_cv_lib_iconv_libiconv_open=yes
+else
+ echo "$as_me: failed program was:" >&5
+cat "conftest.$ac_ext" >&5
+ac_cv_lib_iconv_libiconv_open=no
+fi
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
+LIBS=$ac_check_lib_save_LIBS
+fi
+echo "$as_me:19068: result: $ac_cv_lib_iconv_libiconv_open" >&5
+echo "${ECHO_T}$ac_cv_lib_iconv_libiconv_open" >&6
+if test "$ac_cv_lib_iconv_libiconv_open" = yes; then
+
+cf_add_libs="$LIBS"
+# reverse order
+cf_add_0lib=
+for cf_add_1lib in -liconv; do cf_add_0lib="$cf_add_1lib $cf_add_0lib"; done
+# filter duplicates
+for cf_add_1lib in $cf_add_0lib; do
+ for cf_add_2lib in $cf_add_libs; do
+ if test "x$cf_add_1lib" = "x$cf_add_2lib"; then
+ cf_add_1lib=
+ break
+ fi
+ done
+ test -n "$cf_add_1lib" && cf_add_libs="$cf_add_1lib $cf_add_libs"
+done
+LIBS="$cf_add_libs"
+
+fi
+
+ echo "$as_me:19090: checking for libintl_gettext in -lintl" >&5
+echo $ECHO_N "checking for libintl_gettext in -lintl... $ECHO_C" >&6
+if test "${ac_cv_lib_intl_libintl_gettext+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ ac_check_lib_save_LIBS=$LIBS
+LIBS="-lintl $LIBS"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 19098 "configure"
+#include "confdefs.h"
+
+/* Override any gcc2 internal prototype to avoid an error. */
+#ifdef __cplusplus
+extern "C"
+#endif
+/* We use char because int might match the return type of a gcc2
+ builtin and then its argument prototype would still apply. */
+char libintl_gettext ();
+int
+main (void)
+{
+libintl_gettext ();
+ ;
+ return 0;
+}
+_ACEOF
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:19117: \"$ac_link\"") >&5
+ (eval $ac_link) 2>&5
+ ac_status=$?
+ echo "$as_me:19120: \$? = $ac_status" >&5
+ (exit "$ac_status"); } &&
+ { ac_try='test -s "conftest$ac_exeext"'
+ { (eval echo "$as_me:19123: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:19126: \$? = $ac_status" >&5
+ (exit "$ac_status"); }; }; then
+ ac_cv_lib_intl_libintl_gettext=yes
+else
+ echo "$as_me: failed program was:" >&5
+cat "conftest.$ac_ext" >&5
+ac_cv_lib_intl_libintl_gettext=no
+fi
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
+LIBS=$ac_check_lib_save_LIBS
+fi
+echo "$as_me:19137: result: $ac_cv_lib_intl_libintl_gettext" >&5
+echo "${ECHO_T}$ac_cv_lib_intl_libintl_gettext" >&6
+if test "$ac_cv_lib_intl_libintl_gettext" = yes; then
+
+cf_add_libs="$LIBS"
+# reverse order
+cf_add_0lib=
+for cf_add_1lib in -lintl; do cf_add_0lib="$cf_add_1lib $cf_add_0lib"; done
+# filter duplicates
+for cf_add_1lib in $cf_add_0lib; do
+ for cf_add_2lib in $cf_add_libs; do
+ if test "x$cf_add_1lib" = "x$cf_add_2lib"; then
+ cf_add_1lib=
+ break
+ fi
+ done
+ test -n "$cf_add_1lib" && cf_add_libs="$cf_add_1lib $cf_add_libs"
+done
+LIBS="$cf_add_libs"
+
+fi
+
+ echo "$as_me:19159: checking for tre_regcomp in -ltre" >&5
+echo $ECHO_N "checking for tre_regcomp in -ltre... $ECHO_C" >&6
+if test "${ac_cv_lib_tre_tre_regcomp+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ ac_check_lib_save_LIBS=$LIBS
+LIBS="-ltre $LIBS"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 19167 "configure"