Hi Akim, > > After you pushed it, I'll test it from within GNU gettext. > > Pushed.
I tested it, and it failed to set VARIABLE to ':' if an old bison version is in $PATH. This patch fixes it. 2020-05-03 Bruno Haible <[email protected]> bison: Fix today's commit. * m4/bison.m4 (gl_PROG_BISON): Set ac_verc_fail to 'yes', not 'true'. diff --git a/m4/bison.m4 b/m4/bison.m4 index 76b62ba..3f18960 100644 --- a/m4/bison.m4 +++ b/m4/bison.m4 @@ -1,4 +1,4 @@ -# serial 9 +# serial 10 # Copyright (C) 2002-2006, 2008-2020 Free Software Foundation, Inc. # This file is free software; the Free Software Foundation @@ -57,13 +57,13 @@ _ACEOF : ${ac_prog_version:='v. ?.??'} if $$1 conftest.y -o conftest.c 2>/dev/null; then ac_prog_version="$ac_prog_version, ok" - ac_verc_fail=false + ac_verc_fail=no else ac_prog_version="$ac_prog_version, bad" - ac_verc_fail=true + ac_verc_fail=yes fi - AC_MSG_RESULT([$ac_prog_version]) rm -f conftest.y conftest.c + AC_MSG_RESULT([$ac_prog_version]) fi if test $ac_verc_fail = yes; then [$1]=:
