1dnl 2dnl Id 3dnl 4dnl Test for variable size arrays. 5dnl 6 7AC_DEFUN([rk_C_VARARRAY], [ 8 AC_CACHE_CHECK([if the compiler supports variable-length arrays],[rk_cv_c_vararray],[ 9 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]],[[int x = 0; { int y[x]; }]])], 10 [rk_cv_c_vararray=yes], 11 [rk_cv_c_vararray=no])]) 12 if test "$rk_cv_c_vararray" = yes; then 13 AC_DEFINE([HAVE_VARIABLE_LENGTH_ARRAY], [1], 14 [Define if your compiler supports variable-length arrays.]) 15 fi 16]) 17