Index: configure
diff -u configure.orig configure
--- configure.orig	2011-06-03 15:15:41.385220512 +0900
+++ configure	2011-06-03 15:17:06.591153858 +0900
@@ -7201,7 +7201,7 @@
 fi
 
 
-	    if test "$ac_cv_header_pcreposix_h" == "yes"; then
+	    if test "$ac_cv_header_pcreposix_h" = "yes"; then
 		    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for utf8 enabled pcre" >&5
 $as_echo_n "checking for utf8 enabled pcre... " >&6; }
 		    if ${cyrus_cv_pcre_utf8+:} false; then :
@@ -7229,7 +7229,7 @@
 	    fi
 	fi
 
-	if test "$cyrus_cv_pcre_utf8" == "yes"; then
+	if test "$cyrus_cv_pcre_utf8" = "yes"; then
 		LIBS="$LIBS -lpcre -lpcreposix";
 
 $as_echo "#define ENABLE_REGEX /**/" >>confdefs.h