c++: clean up the handling of empty symbols

[bison.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 7abe35c938d74320c4a33ae8ba7af7ab9c7136d6..559b50547d6f6e6a658c21e19884b8f23b5ea073 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -237,6 +237,9 @@ case $VALGRIND:$host_os in
     ;;
 esac
 
+# Whether we cannot run the compiled bison.
+AM_CONDITIONAL([CROSS_COMPILING], [test "$cross_compiling" = yes])
+
 AM_MISSING_PROG([AUTOM4TE], [autom4te])
 # Needed by tests/atlocal.in.
 AC_SUBST([GCC])