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dnl **
dnl ** AIX mntctl
dnl **
AC_DEFUN([DOVECOT_MNTCTL], [
if test $ac_cv_header_sys_vmount_h = yes; then
AC_MSG_CHECKING([for reasonable mntctl buffer size])
AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <stdio.h>
#include <stdlib.h>
#include <sys/vmount.h>
int main() {
int size,count; char *m;
FILE *f=fopen("conftestval", "w");
if (!f) exit(1);
if ((count=mntctl(MCTL_QUERY,sizeof(size),&size))!=0 || !(m=malloc(size)) ||
(count=mntctl(MCTL_QUERY,size,m))<=0) exit(1);
fprintf(f, "%d\n",(size * (count + 5))/count & ~1); /* 5 mounts more */
exit(0);
}
]])],[
size=`cat conftestval`
rm -f conftestval
AC_DEFINE_UNQUOTED(STATIC_MTAB_SIZE,$size, [reasonable mntctl buffer size])
AC_MSG_RESULT($size)
],[
AC_MSG_RESULT(default)
])
fi
])
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