Difference between revisions of "Porting/Macros"
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Some projects have been ported to Apple ppc64. In that case, they may test macros like this: | Some projects have been ported to Apple ppc64. In that case, they may test macros like this: | ||
| − | < | + | <pre> |
| − | #if defined(__ppc64__) | + | #if defined(__ppc64__) |
#endif | #endif | ||
| − | </ | + | </pre> |
GCC does not define __ppc64__ (lowercase). It defines __PPC64__ (uppercase). To make the above code also build on Debian ppc64le or ppc64 (big endian) change the above code to: | GCC does not define __ppc64__ (lowercase). It defines __PPC64__ (uppercase). To make the above code also build on Debian ppc64le or ppc64 (big endian) change the above code to: | ||
| − | < | + | <pre> |
| − | #if defined(__ppc64__) || defined(__PPC64__) | + | #if defined(__ppc64__) || defined(__PPC64__) |
#endif | #endif | ||
| − | </ | + | </pre> |
Revision as of 12:05, 13 September 2023
Some projects have been ported to Apple ppc64. In that case, they may test macros like this:
#if defined(__ppc64__) #endif
GCC does not define __ppc64__ (lowercase). It defines __PPC64__ (uppercase). To make the above code also build on Debian ppc64le or ppc64 (big endian) change the above code to:
#if defined(__ppc64__) || defined(__PPC64__) #endif
