+CPPFLAGS="-I$abs_top_builddir/lib @CPPFLAGS@"
+
+# Is the compiler GCC?
+GCC='@GCC@'
+
+# The C++ compiler.
+: ${CXX='@CXX@'}
+
+# If 'exit 77'; skip all C++ tests; otherwise ':'.
+BISON_CXX_WORKS='@BISON_CXX_WORKS@'
+
+# We want no optimization with C++, too.
+CXXFLAGS='@O0CXXFLAGS@ @WARN_CXXFLAGS_TEST@ @WERROR_CFLAGS@'
+
+# Are special link options needed?
+LDFLAGS='@LDFLAGS@'
+
+# Are special libraries needed?
+LIBS="$abs_top_builddir/lib/libbison.a @LIBS@ @INTLLIBS@"
+
+# Empty if no javac was found
+CONF_JAVAC='@CONF_JAVAC@'
+
+# Empty if no Java VM was found
+CONF_JAVA='@CONF_JAVA@'
+
+# Empty if no xsltproc was found
+: ${XSLTPROC='@XSLTPROC@'}
+
+# We need egrep.
+: ${EGREP='@EGREP@'}