[build] include config.h conditionally to not break non-autotools build.

[ginac.git] / ginac / numeric.cpp

diff --git a/ginac/numeric.cpp b/ginac/numeric.cpp
index 18725b216cf5e40eeccebe3cc7fe41abec698372..795c76099172dba5d5284fd6fc08c4183428fc3d 100644 (file)
--- a/ginac/numeric.cpp
+++ b/ginac/numeric.cpp
@@ -24,7 +24,9 @@
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
+#ifdef HAVE_CONFIG_H
 #include "config.h"
+#endif
 
 #include "numeric.h"
 #include "ex.h"