Hello world, while PR 82856 remains unsolved so far, this documentation patch at least points people into the right direction if --enable-maintainer-mode fails due to the incompatibility of the latest Perl version with the required automkake version.
Tested with "make dvi" and "make pdf". OK for trunk? 2017-11-09 Thomas Koenig <tkoe...@gcc.gnu.org> PR bootstrap/82856 doc/install.texi: Document incompatibility of Perl >=5.6.26 with the required version of automake 1.11.6.
Index: doc/install.texi =================================================================== --- doc/install.texi (Revision 254408) +++ doc/install.texi (Arbeitskopie) @@ -324,7 +324,7 @@ Necessary (only on some platforms) to untar the so systems' @command{tar} programs will also work, only try GNU @command{tar} if you have problems. -@item Perl version 5.6.1 (or later) +@item Perl version between 5.6.1 and 5.6.24 Necessary when targeting Darwin, building @samp{libstdc++}, and not using @option{--disable-symvers}. @@ -338,6 +338,8 @@ Necessary when generating manpages from Texinfo ma Used by various scripts to generate some files included in SVN (mainly Unicode-related and rarely changing) from source tables. +Used by @command{automake}. + @end table Several support libraries are necessary to build GCC, some are required, @@ -420,6 +422,9 @@ the 1.11 series, which is currently 1.11.6. When to a newer version, please update all the directories using an older 1.11 to the latest released version. +Note that @command{automake} 1.11.6 is incompatible with +@command{perl} version 5.6.26. + @item gettext version 0.14.5 (or later) Needed to regenerate @file{gcc.pot}.