dnl ---------------
dnl CHECK FUNCTIONS
dnl ---------------
-AC_FUNC_VFORK
AC_CHECK_LIB(mkstemp,mkstemp)
-AC_CHECK_FUNCS(waitpid wait3 sigaction sigprocmask sigblock sigsetmask \
+AC_CHECK_FUNCS(waitpid sigaction sigprocmask sigblock sigsetmask \
sighold sigrelse lstat uname tzset killpg mkstemp \
getutent nl_langinfo mbtowc wcwidth)