enhanced configure.ac for better ssl detection

qse/configure

@@ -18117,8 +18117,22 @@ else
   enable_ssl_is=yes
 fi
 
-if test "$enable_ssl_is" = "yes"
+if test "x$enable_ssl_is" = "xyes"
 then
+	for ac_header in openssl/err.h openssl/engine.h
+do :
+  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
+ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
+if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+
+done
+
+
 		for ac_func in SSL_library_init
 do :
   ac_fn_c_check_func "$LINENO" "SSL_library_init" "ac_cv_func_SSL_library_init"
@@ -18130,7 +18144,8 @@ _ACEOF
 fi
 done
 
-	if test "$ac_cv_func_SSL_library_init" = "yes"
+
+	if test "x$ac_cv_func_SSL_library_init" = "xyes"
 	then
 
 $as_echo "#define HAVE_SSL 1" >>confdefs.h
@@ -18228,6 +18243,22 @@ fi
 fi
 
 	fi
+
+	OLDLIBS="$LIBS"
+	LIBS="$SSL_LIBS $LIBS"
+	for ac_func in ENGINE_cleanup CRYPTO_cleanup_all_ex_data
+do :
+  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
+if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+done
+
+	LIBS="$OLDLIBS"
 fi