dnl Our implementation of AC_C_FLEXIBLE_ARRAY_MEMBER.

dnl Use it until autoconf 2.61+ becomes more widely used

AC_DEFUN([DOVECOT_C_FLEXIBLE_ARRAY_MEMBER], [

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

AC_TRY_COMPILE([

struct foo {

int x;

char y[];

};

], [

struct foo foo;

], [

i_cv_c99_flex_arrays=yes

], [

i_cv_c99_flex_arrays=no

])

])

if test $i_cv_c99_flex_arrays = yes; then

flexible_value=

else

flexible_value=1

fi

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

])