+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
+LIBS=$ac_check_lib_save_LIBS
+fi
+echo "$as_me:19204: result: $ac_cv_lib_gnurx_regcomp" >&5
+echo "${ECHO_T}$ac_cv_lib_gnurx_regcomp" >&6
+if test "$ac_cv_lib_gnurx_regcomp" = yes; then
+
+cf_add_libs="$LIBS"
+# reverse order
+cf_add_0lib=
+for cf_add_1lib in -lgnurx; do cf_add_0lib="$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"
+
+ cf_regex_func=regcomp
+fi
+
+fi
+
+ ;;
+(*)
+ cf_regex_libs="regex re"
+ echo "$as_me:19232: checking for regcomp" >&5
+echo $ECHO_N "checking for regcomp... $ECHO_C" >&6
+if test "${ac_cv_func_regcomp+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >"conftest.$ac_ext" <<_ACEOF
+#line 19238 "configure"
+#include "confdefs.h"
+#define regcomp autoconf_temporary
+#include <limits.h> /* least-intrusive standard header which defines gcc2 __stub macros */
+#undef regcomp
+
+#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 (void);
+
+int
+main (void)
+{
+
+/* The GNU C library defines stubs for functions which it implements
+ to always fail with ENOSYS. Some functions are actually named
+ something starting with __ and the normal name is an alias. */
+#if defined (__stub_regcomp) || defined (__stub___regcomp)
+#error found stub for regcomp
+#endif
+
+ return regcomp ();
+ ;
+ return 0;
+}
+_ACEOF
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:19269: \"$ac_link\"") >&5
+ (eval $ac_link) 2>&5
+ ac_status=$?
+ echo "$as_me:19272: \$? = $ac_status" >&5
+ (exit "$ac_status"); } &&
+ { ac_try='test -s "conftest$ac_exeext"'
+ { (eval echo "$as_me:19275: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:19278: \$? = $ac_status" >&5
+ (exit "$ac_status"); }; }; then
+ ac_cv_func_regcomp=yes
+else
+ echo "$as_me: failed program was:" >&5
+cat "conftest.$ac_ext" >&5
+ac_cv_func_regcomp=no
+fi
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
+fi
+echo "$as_me:19288: result: $ac_cv_func_regcomp" >&5
+echo "${ECHO_T}$ac_cv_func_regcomp" >&6
+if test "$ac_cv_func_regcomp" = yes; then
+ cf_regex_func=regcomp
+else
+
+ for cf_regex_lib in $cf_regex_libs
+ do
+ as_ac_Lib=`echo "ac_cv_lib_$cf_regex_lib''_regcomp" | $as_tr_sh`
+echo "$as_me:19297: checking for regcomp in -l$cf_regex_lib" >&5
+echo $ECHO_N "checking for regcomp in -l$cf_regex_lib... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Lib+set}\" = set"; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ ac_check_lib_save_LIBS=$LIBS
+LIBS="-l$cf_regex_lib $LIBS"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 19305 "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 "$as_me:19324: \"$ac_link\"") >&5
+ (eval $ac_link) 2>&5
+ ac_status=$?
+ echo "$as_me:19327: \$? = $ac_status" >&5
+ (exit "$ac_status"); } &&
+ { ac_try='test -s "conftest$ac_exeext"'
+ { (eval echo "$as_me:19330: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:19333: \$? = $ac_status" >&5
+ (exit "$ac_status"); }; }; then
+ eval "$as_ac_Lib=yes"
+else
+ echo "$as_me: failed program was:" >&5
+cat "conftest.$ac_ext" >&5
+eval "$as_ac_Lib=no"
+fi
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
+LIBS=$ac_check_lib_save_LIBS
+fi
+echo "$as_me:19344: result: `eval echo '${'"$as_ac_Lib"'}'`" >&5
+echo "${ECHO_T}`eval echo '${'"$as_ac_Lib"'}'`" >&6
+if test "`eval echo '${'"$as_ac_Lib"'}'`" = yes; then
+
+cf_add_libs="$LIBS"
+# reverse order
+cf_add_0lib=
+for cf_add_1lib in -l$cf_regex_lib; 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"
+
+ cf_regex_func=regcomp
+ break
+fi
+
+ done
+
+fi
+
+ ;;
+esac
+
+if test "$cf_regex_func" = no ; then
+ echo "$as_me:19376: checking for compile" >&5
+echo $ECHO_N "checking for compile... $ECHO_C" >&6
+if test "${ac_cv_func_compile+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >"conftest.$ac_ext" <<_ACEOF
+#line 19382 "configure"
+#include "confdefs.h"
+#define compile autoconf_temporary
+#include <limits.h> /* least-intrusive standard header which defines gcc2 __stub macros */
+#undef compile
+
+#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 compile (void);
+
+int
+main (void)
+{
+
+/* The GNU C library defines stubs for functions which it implements
+ to always fail with ENOSYS. Some functions are actually named
+ something starting with __ and the normal name is an alias. */
+#if defined (__stub_compile) || defined (__stub___compile)
+#error found stub for compile
+#endif
+
+ return compile ();
+ ;
+ return 0;
+}
+_ACEOF
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:19413: \"$ac_link\"") >&5
+ (eval $ac_link) 2>&5
+ ac_status=$?
+ echo "$as_me:19416: \$? = $ac_status" >&5
+ (exit "$ac_status"); } &&
+ { ac_try='test -s "conftest$ac_exeext"'
+ { (eval echo "$as_me:19419: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:19422: \$? = $ac_status" >&5
+ (exit "$ac_status"); }; }; then
+ ac_cv_func_compile=yes
+else
+ echo "$as_me: failed program was:" >&5
+cat "conftest.$ac_ext" >&5
+ac_cv_func_compile=no
+fi
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
+fi
+echo "$as_me:19432: result: $ac_cv_func_compile" >&5
+echo "${ECHO_T}$ac_cv_func_compile" >&6
+if test "$ac_cv_func_compile" = yes; then
+ cf_regex_func=compile
+else
+
+ echo "$as_me:19438: checking for compile in -lgen" >&5
+echo $ECHO_N "checking for compile in -lgen... $ECHO_C" >&6
+if test "${ac_cv_lib_gen_compile+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ ac_check_lib_save_LIBS=$LIBS
+LIBS="-lgen $LIBS"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 19446 "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 compile ();
+int
+main (void)
+{
+compile ();
+ ;
+ return 0;
+}
+_ACEOF
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:19465: \"$ac_link\"") >&5
+ (eval $ac_link) 2>&5
+ ac_status=$?
+ echo "$as_me:19468: \$? = $ac_status" >&5
+ (exit "$ac_status"); } &&
+ { ac_try='test -s "conftest$ac_exeext"'
+ { (eval echo "$as_me:19471: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:19474: \$? = $ac_status" >&5
+ (exit "$ac_status"); }; }; then
+ ac_cv_lib_gen_compile=yes
+else
+ echo "$as_me: failed program was:" >&5
+cat "conftest.$ac_ext" >&5
+ac_cv_lib_gen_compile=no
+fi
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
+LIBS=$ac_check_lib_save_LIBS
+fi
+echo "$as_me:19485: result: $ac_cv_lib_gen_compile" >&5
+echo "${ECHO_T}$ac_cv_lib_gen_compile" >&6
+if test "$ac_cv_lib_gen_compile" = yes; then
+
+cf_add_libs="$LIBS"
+# reverse order
+cf_add_0lib=
+for cf_add_1lib in -lgen; do cf_add_0lib="$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"
+
+ cf_regex_func=compile
+fi
+
+fi
+
+fi
+
+if test "$cf_regex_func" = no ; then
+ { echo "$as_me:19513: WARNING: cannot find regular expression library" >&5
+echo "$as_me: WARNING: cannot find regular expression library" >&2;}
+fi
+
+echo "$as_me:19517: checking for regular-expression headers" >&5
+echo $ECHO_N "checking for regular-expression headers... $ECHO_C" >&6
+if test "${cf_cv_regex_hdrs+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+cf_cv_regex_hdrs=no
+case "$cf_regex_func" in
+(compile)
+ for cf_regex_hdr in regexp.h regexpr.h
+ do
+ cat >"conftest.$ac_ext" <<_ACEOF
+#line 19529 "configure"
+#include "confdefs.h"
+#include <$cf_regex_hdr>
+int
+main (void)
+{
+
+ char *p = compile("", "", "", 0);
+ int x = step("", "");
+ (void)p;
+ (void)x;
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:19546: \"$ac_link\"") >&5
+ (eval $ac_link) 2>&5
+ ac_status=$?
+ echo "$as_me:19549: \$? = $ac_status" >&5
+ (exit "$ac_status"); } &&
+ { ac_try='test -s "conftest$ac_exeext"'
+ { (eval echo "$as_me:19552: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:19555: \$? = $ac_status" >&5
+ (exit "$ac_status"); }; }; then
+
+ cf_cv_regex_hdrs=$cf_regex_hdr
+ break
+
+else
+ echo "$as_me: failed program was:" >&5
+cat "conftest.$ac_ext" >&5
+fi
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
+ done
+ ;;
+(*)
+ for cf_regex_hdr in regex.h
+ do
+ cat >"conftest.$ac_ext" <<_ACEOF
+#line 19572 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+#include <$cf_regex_hdr>
+int
+main (void)
+{
+
+ regex_t *p = 0;
+ int x = regcomp(p, "", 0);
+ int y = regexec(p, "", 0, 0, 0);
+ (void)x;
+ (void)y;
+ regfree(p);