use MBGL_MBGL_CONSTEXPR

1 files changed, 4 insertions, 3 deletions

diff --git a/src/mbgl/layout/symbol_instance.hpp b/src/mbgl/layout/symbol_instance.hpp
index 2471ddc40d..7d002d2285 100644
--- a/src/mbgl/layout/symbol_instance.hpp
+++ b/src/mbgl/layout/symbol_instance.hpp
@@ -5,6 +5,7 @@
 #include <mbgl/text/collision_feature.hpp>
 #include <mbgl/style/layers/symbol_layer_properties.hpp>
 #include <mbgl/util/traits.hpp>
+#include <mbgl/util/util.hpp>
 
 namespace mbgl {
 
@@ -49,15 +50,15 @@ enum class SymbolContent : uint8_t {
     IconSDF = 1 << 2
 };
 
-constexpr SymbolContent operator|(SymbolContent a, SymbolContent b) {
+MBGL_CONSTEXPR SymbolContent operator|(SymbolContent a, SymbolContent b) {
     return SymbolContent(mbgl::underlying_type(a) | mbgl::underlying_type(b));
 }
 
-constexpr SymbolContent& operator|=(SymbolContent& a, SymbolContent b) {
+MBGL_CONSTEXPR SymbolContent& operator|=(SymbolContent& a, SymbolContent b) {
     return (a = a | b);
 }
 
-constexpr SymbolContent operator&(SymbolContent a, SymbolContent b) {
+MBGL_CONSTEXPR SymbolContent operator&(SymbolContent a, SymbolContent b) {
     return SymbolContent(mbgl::underlying_type(a) & mbgl::underlying_type(b));
 }