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| author | obrien <obrien@FreeBSD.org> | 2003-06-14 06:01:35 +0000 |
|---|---|---|
| committer | obrien <obrien@FreeBSD.org> | 2003-06-14 06:01:35 +0000 |
| commit | 238bdf53678eb2c192c6a8c5762218996ff68f1a (patch) | |
| tree | 8b7366e6214edd6406e22b0983c1350b0dca77fa | |
| parent | a69cc262ba95c28379581d6814cb6a01c3ffe25e (diff) | |
| download | FreeBSD-src-238bdf53678eb2c192c6a8c5762218996ff68f1a.zip FreeBSD-src-238bdf53678eb2c192c6a8c5762218996ff68f1a.tar.gz | |
Use GCC's internal built-in alloca implementation, when available.
Submitted by: DES
| -rw-r--r-- | sys/sys/cdefs.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sys/sys/cdefs.h b/sys/sys/cdefs.h index ff81fb5..0ecd23c 100644 --- a/sys/sys/cdefs.h +++ b/sys/sys/cdefs.h @@ -142,6 +142,11 @@ #define __section(x) __attribute__((__section__(x))) #endif #endif +#ifdef __GNUC__ +#define alloca(sz) __builtin_alloca(sz) +#else +#error FreeBSD alloca support needed for this compiler +#endif /* XXX: should use `#if __STDC_VERSION__ < 199901'. */ #if !(__GNUC__ == 2 && __GNUC_MINOR__ >= 7 || __GNUC__ >= 3) |
