On 26 Apr 2021 19:32, Joseph Myers wrote: > On Mon, 26 Apr 2021, Nick Clifton via Gcc-patches wrote: > > Given that gcc, gdb and now binutils are all now requiring C99 as a > > minimum version of C, are there any objections to updating > > configure.ac to reflect this ? > > This isn't an objection, since upgrading auto* for the toolchain can be > complicated, but note that AC_PROG_CC_C99 is obsolete in Autoconf 2.70 and > instead AC_PROG_CC enables C11 mode if supported. (So moving to the > latest Autoconf and Automake releases would supersede this change.)
considering how long it took before we adopted 2.69, seems unlikely we can upgrade to 2.70. plus, i think there was a flurry of regression fixes for 2.70, and ideally we'd get a 2.71 ? as long as we have 2.69, we should move to AC_PROG_CC_C99 in all projects. -mike
