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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])
])
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