On 09/30/11 08:57, Andrew W. Nosenko wrote: > Assuming that AC_PROG_CC_C99 is not available (e.g. doesn't exists and > never existed), and only one macro is AC_PROG_CC_STDC, how I should to > express that "c99 is required"? Or "c99 or better is required"?
Right now, you can't. That would need to be added, preferably to Autoconf.
