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-rw-r--r--src/glm-test.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/glm-test.cpp b/src/glm-test.cpp
index 1f98f2e..ee6c649 100644
--- a/src/glm-test.cpp
+++ b/src/glm-test.cpp
@@ -5,6 +5,7 @@
* http://glm.g-truc.net/0.9.7/index.html.
*/
+#define GLM_ENABLE_EXPERIMENTAL // for string_cast
#include <glm/gtc/matrix_transform.hpp> // glm::translate, glm::rotate, glm::scale, glm::perspective
#include <glm/mat4x4.hpp> // glm::mat4
#include <glm/vec3.hpp> // glm::vec3