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tlsf: fix for llvm

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The `__GNUC__` is also available in `clang` as is just used to provide
the major version of a GNU-C compatible compiler [[1]]. So I check for
`tlsf` if the `alloc_size()` is available by using the combination of
macros as proposed here: https://stackoverflow.com/a/43205345/395687

[1]: https://gcc.gnu.org/onlinedocs/cpp/Common-Predefined-Macros.html
This commit is contained in:
Martine Lenders 2018-07-31 21:35:15 +02:00
parent 33389dd640
commit 82c318224b
1 changed files with 3 additions and 1 deletions
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4
pkg/tlsf/contrib/tlsf-malloc.c
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@ -31,7 +31,9 @@
static tlsf_t gheap = NULL; static tlsf_t gheap = NULL;
/* TODO: Add defines for other compilers */ /* TODO: Add defines for other compilers */
#ifdef __GNUC__ #if defined(__GNUC__) && !defined(__clang__) /* Clang supports __GNUC__ but
* not the alloc_size()
* attribute */
#define ATTR_MALLOC __attribute__((malloc, alloc_size(1))) #define ATTR_MALLOC __attribute__((malloc, alloc_size(1)))
#define ATTR_CALLOC __attribute__((malloc, alloc_size(1,2))) #define ATTR_CALLOC __attribute__((malloc, alloc_size(1,2)))