dnl ---------------
dnl CHECK FUNCTIONS
dnl ---------------
-AC_CHECK_FUNCS(writev lstat tzset getutent nl_langinfo)
+AC_CHECK_FUNCS(writev lstat tzset getutent nl_langinfo sigaction sigprocmask \
+ sigblock sigsetmask sighold sigrelse)
dnl Look for the initgroups() declaration. On AIX 4.[13], Solaris 4.1.3, and
dnl ULTRIX 4.2A the function is defined in libc but there's no declaration in
AC_CHECK_MEMBERS(struct utmp.ut_type,,,[#include <utmp.h>])
-CHECK_TYPE_STRUCT_DIRENT_D_TYPE()
+AC_STRUCT_DIRENT_D_TYPE
dnl -------------
dnl CHECK SIGNALS