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add more convenient defines for [NO]MMU:

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"#ifndef BB_NOMMU" is a double negative
This commit is contained in:
Denis Vlasenko
2007-04-11 07:04:23 +00:00
parent f1a7141cfc
commit 473dae080a
6 changed files with 30 additions and 27 deletions
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12
include/platform.h
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@ -212,7 +212,15 @@ typedef unsigned smalluint;
*/
#if defined __UCLIBC__ && __UCLIBC_MAJOR__ >= 0 && __UCLIBC_MINOR__ >= 9 && \
__UCLIBC_SUBLEVEL__ > 28 && !defined __ARCH_USE_MMU__
#define BB_NOMMU
#define BB_MMU 0
#define BB_NOMMU 1
#define USE_FOR_NOMMU(...) __VA_ARGS__
#define USE_FOR_MMU(...)
#else
#define BB_MMU 1
/* BB_NOMMU is not defined in this case! */
#define USE_FOR_NOMMU(...)
#define USE_FOR_MMU(...) __VA_ARGS__
#endif
/* Platforms that haven't got dprintf need to implement fdprintf() in
@ -232,7 +240,7 @@ static ATTRIBUTE_ALWAYS_INLINE char* strchrnul(const char *s, char c) {
}
#endif
/* Don't use lchown with glibc older than 2.1.x ... uC-libc lacks it */
/* Don't use lchown with glibc older than 2.1.x ... uClibc lacks it */
#if (defined __GLIBC__ && __GLIBC__ <= 2 && __GLIBC_MINOR__ < 1) || \
defined __UC_LIBC__
# define lchown chown