GCC 6
GCC 6
  • 请登录查看
字典 我要纠错

7.4. C++ Interface and Implementation Pragmas

7.4 C++ Interface and Implementation Pragmas

#pragma interface and #pragma implementation provide the user with a way of explicitly directing the compiler to emit entities with vague linkage (and debugging information) in a particular translation unit.

Note: These #pragmas have been superceded as of GCC 2.7.2 by COMDAT support and the “key method” heuristic mentioned in Vague Linkage. Using them can actually cause your program to grow due to unnecessary out-of-line copies of inline functions.

#pragma interface
#pragma interface "subdir/objects.h"
Use this directive in header files that define object cla