Use GCC's internal built-in alloca implementation, when available.

Submitted by:	DES
This commit is contained in:
David E. O'Brien 2003-06-14 06:01:35 +00:00
parent 50a7fdaed8
commit 4bf015d562
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=116326

View file

@ -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)