带属性的向前声明:warning: type attributes are honored only at type definition
2012-12-11 17:01
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带属性的向前声明:
class __attribute__((__dllexport__)) X;
执行
g++ -c -g x.cpp
编译会收到如下warning:
warning: type attributes are honored only at type definition
使用的GCC版本为:4.1.2,如果是GCC 4.5.1,则warning变更为:
warning: ‘__dllexport__’ attribute directive ignored
class __attribute__((__dllexport__)) X;
执行
g++ -c -g x.cpp
编译会收到如下warning:
warning: type attributes are honored only at type definition
使用的GCC版本为:4.1.2,如果是GCC 4.5.1,则warning变更为:
warning: ‘__dllexport__’ attribute directive ignored
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