diff -Naur monit-5.3-orig/configure.ac monit-5.3/configure.ac
--- monit-5.3-orig/configure.ac	2011-09-13 03:00:36.000000000 +0300
+++ monit-5.3/configure.ac	2011-09-13 21:12:44.962803530 +0300
@@ -586,7 +586,7 @@
 # Check for ssl includes
 checksslincldir() { :
     if test -f "$1/openssl/ssl.h"; then
-        sslincldir="$1"
+        libssl_CFLAGS="-I$1"
         return 0
     fi
     return 1
@@ -598,7 +598,7 @@
     SSLLIB=`ls -1 $1/libssl.so* $1/libssl.dylib* 2>/dev/null | wc -l`
     if test "(" $CRYPTOLIB -gt 0 -a $SSLLIB -gt 0 ")"
     then
-        ssllibdir="$1"
+        libssl_LIBS="-L$1 -lssl -lcrypto"
         return 0
     fi
     return 1
@@ -633,8 +633,8 @@
         AC_DEFINE([HAVE_OPENSSL], 1, [Define to 1 if you have openssl.])
         AC_SUBST(sslincldir)
         AC_SUBST(ssllibdir)
-        CFLAGS="$CFLAGS -I$sslincldir"
-        LIBS="$LIBS $ssllibdir/libssl.a $ssllibdir/libcrypto.a"
+        CFLAGS="$CFLAGS $libssl_CFLAGS"
+        LIBS="$LIBS $libssl_LIBS"
     ],
     [
 	use_sslstatic=0
@@ -690,7 +690,7 @@
                 checksslincldir "$withval"
             ],
             [
-                if test -z "$sslincldir"; then	
+                if test -z "$libssl_CFLAGS"; then	
                     dnl Search default locations of SSL includes
                     for maindir in /usr /usr/local /usr/lib /usr/pkg /var /opt /opt/csw /usr/sfw; do
                         for dir in "$maindir/include"\
@@ -703,7 +703,7 @@
                 fi
             ]
         )
-        if test -z "$sslincldir"; then
+        if test -z "$libssl_CFLAGS"; then
             AC_MSG_RESULT([Not found])
             echo
             echo "Couldn't find your SSL header files."
@@ -712,7 +712,7 @@
             echo
             exit 1
         fi
-        AC_MSG_RESULT([$sslincldir])
+        AC_MSG_RESULT([$libssl_CFLAGS])
 
         AC_MSG_CHECKING([for SSL library directory])
         AC_ARG_WITH(ssl-lib-dir,
@@ -722,7 +722,7 @@
                 checkssllibdirdynamic "$withval"
             ],
             [
-                if test -z "$ssllibdir"; then	
+                if test -z "$libssl_LIBS"; then	
                     dnl Search default locations of SSL libraries
                     for maindir in "" \
                                    /usr \
@@ -753,16 +753,18 @@
                 fi
             ]
         )
-        if test -z "$ssllibdir"; then
+        if test -z "$libssl_LIBS"; then
             AC_MSG_RESULT([Not found])
+	   PKG_CHECK_MODULES([libssl], [openssl], [], [
             echo
             echo "Couldn't find your SSL library files."
             echo "Use --with-ssl-lib-dir option to fix this problem or disable the"
             echo "SSL support with --without-ssl"
             echo
             exit 1
+	   ])
         fi
-        AC_MSG_RESULT([$ssllibdir])
+        AC_MSG_RESULT([$libssl_LIBS])
 
         AC_DEFINE([HAVE_OPENSSL], 1, [Define to 1 if you have openssl.])
         AC_SUBST(sslincldir)
@@ -770,18 +772,18 @@
     fi
 
     # Add SSL includes and libraries
-    if test "$sslincldir" -a "$ssllibdir"
+    if test "$libssl_CFLAGS" -a "$libssl_LIBS"
     then
         if test "x$ARCH" = "xDARWIN"; then
          # Darwin already knows about ssldirs
          LIBS="$LIBS -lssl -lcrypto"
         elif test -f "/usr/kerberos/include/krb5.h"; then
          # Redhat 9 compilation fix:
-         CFLAGS="$CFLAGS -I$sslincldir -I/usr/kerberos/include"
-         LIBS="$LIBS -L$ssllibdir -lssl -lcrypto"
+         CFLAGS="$CFLAGS $libssl_CFLAGS -I/usr/kerberos/include"
+         LIBS="$LIBS $libssl_LIBS"
         else
-         CFLAGS="$CFLAGS -I$sslincldir"
-         LIBS="$LIBS -L$ssllibdir -lssl -lcrypto"
+         CFLAGS="$CFLAGS $libssl_CFLAGS"
+         LIBS="$LIBS $libssl_LIBS"
         fi
     fi
 fi