| // checking for extern template before definition |
| |
| /*************************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed |
| * with this work for additional information regarding copyright |
| * ownership. The ASF licenses this file to you under the Apache |
| * License, Version 2.0 (the License); you may not use this file |
| * except in compliance with the License. You may obtain a copy of |
| * the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or |
| * implied. See the License for the specific language governing |
| * permissions and limitations under the License. |
| * |
| * Copyright 1999-2007 Rogue Wave Software, Inc. |
| * |
| **************************************************************************/ |
| |
| #include "config.h" |
| |
| #ifndef _RWSTD_NO_extern_template_before_definition_imp |
| // establish a dependency on the source file to get it |
| // compiled first and link with the object file |
| // LDOPTS = extern_template_before_definition_imp.o |
| #endif |
| |
| #ifdef _RWSTD_NO_IMPLICIT_INCLUSION |
| // tell "instantiation_before_definition.h" to #include its |
| // implementation file, instantiation_before_definition.cc |
| # define INCLUDE_CC_FILE |
| #endif // _RWSTD_NO_IMPLICIT_INCLUSION |
| |
| #ifdef _RWSTD_NO_EXTERN_FUNCTION_TEMPLATE |
| // tell "instantiation_before_definition.h" to use explicit |
| // function template specialization instead of the extern |
| // template extension |
| # define SPECIALIZE_FUNCTION_TEMPLATE |
| #endif // _RWSTD_NO_EXTERN_FUNCTION_TEMPLATE |
| |
| #define EXTERN_TEMPLATE |
| #include "instantiation_before_definition.h" |
| |
| // test exercises the ability to declare an explicit instantiation |
| // of a template using the "extern template" syntax and lexically |
| // before the definition of the template (exercises, for example, |
| // gcc 4.0.2 bug #24511: |
| // http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24511) |
| |
| int main () |
| { |
| InstantiatedBeforeDefined<int> ibd; |
| |
| return ibd.defined_first (0) |
| + ibd.instantiated_first (0) |
| + instantiated_before_defined (0); |
| } |