--- configure.ac.orig	2013-09-20 10:11:20.256444684 +0400
+++ configure.ac	2013-09-20 10:16:30.262459612 +0400
@@ -90,7 +90,7 @@
 
 DBCFLAGS="-I$INCLUDEDIR"
 LIBDIR=`$PG_CONFIG --libdir`
-DBLDFLAGS="-L$LIBDIR -lpq"
+DBLDFLAGS="-L$LIBDIR"
 
 AC_SUBST(DBCFLAGS)
 AC_SUBST(DBLDFLAGS)
@@ -109,6 +109,8 @@
 AC_SEARCH_LIBS(inet_aton, resolv, AC_DEFINE(HAVE_INET_ATON, 1,
         [inet_aton is already defined]))
 
+AC_SEARCH_LIBS(PQexec, pq)
+
 # check for libraries required by extension
 extlibs=""
 if test -n "$with_ext" -a -f "${srcdir}/ext/$with_ext.libs"; then
@@ -216,8 +218,6 @@
 AC_SUBST(SRC)
 AC_SUBST(OBJ)
 
-CFLAGS="-Wall -g"
-
 AC_MSG_CHECKING(for installation settings)
 # calculate appropriate settings
 OWNER=""