tcc can't compile the attached VLA check (gcc works)
and configure adds "#define __STDC_NO_VLA__ 1" to config.h
The code was generated using the autoconf macro "AC_C_VARARRAYS".
console output:
tcc -std=c11 vla_conftest.c -c
vla_conftest.c:30: error: constant expression expected
Any ideas, how to fix that?
(Link does not work: n is not available)
--
Bye bye ... Detlef
/* confdefs.h */
/* end confdefs.h. */
/* Test for VLA support. This test is partly inspired
from examples in the C standard. Use at least two VLA
functions to detect the GCC 3.4.3 bug described in:
https://lists.gnu.org/archive/html/bug-gnulib/2014-08/msg00014.html
*/
#ifdef __STDC_NO_VLA__
syntax error;
#else
extern int n;
int B[100];
int fvla (int m, int C[m][m]);
int
simple (int count, int all[static count])
{
return all[count - 1];
}
int
fvla (int m, int C[m][m])
{
typedef int VLA[m][m];
VLA x;
int D[m];
static int (*q)[m] = &B;
int (*s)[n] = q;
return C && &x[0][0] == &D[0] && &D[0] == s[0];
}
#endif
int
main (void)
{
;
return 0;
}
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