* tests/bison.in: Adjust to CVS Autoconf.

* tests/calc.at (exp): We no longer need to special case GCC as
the warning flags are passed by configure.
* tests/atlocal.in: Adjust.
* configure.in: Bump to 1.30j.

tests/atlocal.in

@@ -6,8 +6,5 @@
 CC='@CC@'
 CFLAGS='@CFLAGS@ @WARNING_CFLAGS@'
 
-# We need to know if the compiler is GCC.
-GCC='@GCC@'
-
 # We need `config.h'.
-CPPFLAGS="-I$top_buildpath @CPPFLAGS@"
+CPPFLAGS="-I$abs_top_builddir @CPPFLAGS@"

tests/bison.in

@@ -1,11 +1,11 @@
 #! /bin/sh
-# @configure_generated@
+# @configure_input@
 # Wrapper around a non installed bison to make it work as an installed one.
 
 # We want to use the files shipped with Bison.
-BISON_SIMPLE='@top_srcpath@/src/bison.simple'
+BISON_SIMPLE='@abs_top_srcdir@/src/bison.simple'
 export BISON_SIMPLE
-BISON_HAIRY='@top_srcpath@/src/bison.hairy'
+BISON_HAIRY='@abs_top_srcdir@/src/bison.hairy'
 export BISON_HAIRY
 
-exec '@top_buildpath@/src/bison' ${1+"$@"}
+exec '@abs_top_builddir@/src/bison' ${1+"$@"}

tests/calc.at

@@ -334,17 +334,6 @@ AT_DATA_CALC_Y([$1])
 AT_CHECK([bison calc.y -o calc.c m4_bpatsubst([$1], [--yyerror-verbose])],
          [0], [], [])
 
-# Some compilers issue warnings we don't want to hear about.
-# Maybe some day we will have proper Autoconf macros to disable these
-# warnings, but this place is not the right one for that.
-# So let's keep only GCC warnings, which we know are sane.
-# Well, that's only part of the story: some assemblers issue warnings
-# which can be totally useless, and actually polluting.  It seems that
-# the best bet be to completely ignore stderr, but to pass -Werror
-# to GCC.
-if test "$GCC" = yes; then
-  CFLAGS="$CFLAGS -Werror"
-fi
 AT_CHECK([$CC $CFLAGS $CPPFLAGS calc.c -o calc], 0, [], [ignore])
 
 # Test the priorities.