cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomidnl Our implementation of AC_C_FLEXIBLE_ARRAY_MEMBER.

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomidnl Use it until autoconf 2.61+ becomes more widely used

cca227d2929386ee11e4aa23464681ef35eb9679Aki TuomiAC_DEFUN([DOVECOT_C_FLEXIBLE_ARRAY_MEMBER], [

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi AC_CACHE_CHECK([if we can use C99-like flexible array members],i_cv_c99_flex_arrays,[

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi AC_TRY_COMPILE([

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi struct foo {

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi int x;

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi char y[];

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi };

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi ], [

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi struct foo foo;

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi ], [

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi i_cv_c99_flex_arrays=yes

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi ], [

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi i_cv_c99_flex_arrays=no

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi ])

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi ])

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi if test $i_cv_c99_flex_arrays = yes; then

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi flexible_value=

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi else

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi flexible_value=1

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi fi

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi AC_DEFINE_UNQUOTED(FLEXIBLE_ARRAY_MEMBER, $flexible_value, [How to define flexible array members in structs])

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi])