On Fri, Jan 24, 2020 at 9:48 PM Nick Bowler <nbowler@xxxxxxxxxx> wrote: > On 1/24/20, Christian Biesinger <cbiesinger@xxxxxxxxxx> wrote: > > I noticed that autoconf has a macro to enable C99 (AC_PROG_CC_C99), > > but apparently no such macro for C11 or C18. I was wondering if a > > patch for that would be acceptable in principle or if this is missing > > intentionally? > > In autoconf master, the AC_PROG_CC_C99 macro is deprecated and no longer > recommended for use. > > AC_PROG_CC now tries to select the highest language revision supported > by the compiler. > > These macros (AC_PROG_CC_C99 vs. new AC_PROG_CC) have different semantics. AC_PROG_CC_C99 — select best/prefered compiler that supports particular standard (c99), while new AC_PROG_CC — select best/most recent standard supported by particular compiler. So deprecating one in favour of another is quite like deprecating apples in favour of oranges. -- Andrew W. Nosenko <andrew.w.nosenko@xxxxxxxxx>
