On Mon, 27 Jun 2022, Xi Ruoyao via Gcc-patches wrote: > egrep has been deprecated in favor of grep -E for a long time, and the > next GNU grep release (3.8 or 4.0) will print a warning if egrep is used. > Unfortunately, old hosts with non-GNU grep may lack the support for -E > option. Use AC_PROG_EGREP and $EGREP variable so we'll work fine on > both old and new platforms. > > ChangeLog: > > * configure.ac: Call AC_PROG_EGREP, and use $EGREP instead of > egrep.
Nit of the day: > diff --git a/config/lib-link.m4 b/config/lib-link.m4 > index 20e281fd323..5bbbd999de0 100644 > --- a/config/lib-link.m4 > +++ b/config/lib-link.m4 > @@ -99,8 +99,10 @@ AC_DEFUN([AC_LIB_RPATH], > AC_REQUIRE([AC_LIB_PROG_LD]) dnl we use $LD, $with_gnu_ld > AC_REQUIRE([AC_CANONICAL_HOST]) dnl we use $host > AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT]) dnl we use $ac_aux_dir > + AC_REQUIRE([AC_PROG_EGREP]) dnl we use $GREP Shouldn't that be "we use $EGREP"? brgds, H-P