Retro68/gcc/libcilkrts/runtime/declare-alloca.h
2017-10-07 02:16:47 +02:00

72 lines
3.0 KiB
C++

/* cilk-abi-vla.cpp -*-C++-*-
*
*************************************************************************
*
* Copyright (C) 2013-2016, Intel Corporation
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**************************************************************************/
/*
* You'd think that getting a declaration for alloca would be easy. But you'd
* be wrong. Here's a variant on what's recommended in the autoconf doc
*/
#if defined _MSC_VER
# include <malloc.h>
# define alloca _alloca
#elif defined HAVE_ALLOCA_H
# include <alloca.h>
#elif defined __GNUC__
# define alloca __builtin_alloca
#elif defined _AIX
# define alloca __alloca
#else
# include <stddef.h>
# ifdef __cplusplus
extern "C"
# endif
void *alloca (size_t);
#endif