| // #pragma push_macro/pop_macro |
| #define INCLUDE_A |
| #pragma push_macro("INCLUDE_A") |
| #undef INCLUDE_A |
| #pragma pop_macro("INCLUDE_A") |
| |
| #ifdef INCLUDE_A |
| #include "a.h" |
| #endif |
| |
| // #pragma push_macro/pop_macro with argument macro expansion |
| #define INCLUDE_B |
| #define MACRO_NAME "INCLUDE_B" |
| |
| #pragma push_macro(MACRO_NAME) |
| #undef INCLUDE_B |
| #pragma pop_macro(MACRO_NAME) |
| |
| #ifdef INCLUDE_B |
| #include "b.h" |
| #endif |
| |
| // #pragma include_alias (MS specific) |
| // When compiling without MS Extensions, the pragma is not recognized, |
| // and the file c_alias.h is included instead of c.h |
| #pragma include_alias("c_alias.h", "c.h") |
| #include "c_alias.h" |
