ENH: Add IMPORT macro for windows support in R283.

MilanSkocic · Nov 25, 2023 · 0c0c93b · 0c0c93b
1 parent a3a5556
commit 0c0c93b
Showing 1 changed file with 12 additions and 6 deletions.
diff --git a/include/iapws_r283.h b/include/iapws_r283.h
@@ -6,13 +6,19 @@
 #ifndef IAPWS_R283_H
 #define IAPWS_R283_H
 
-extern const double iapws_r283_capi_Tc_H2O; 
-extern const double iapws_r283_capi_Tc_D2O;
+#if _MSC_VER
+#define ADD_IMPORT __declspec(dllimport)
+#else
+#define ADD_IMPORT
+#endif
+
+ADD_IMPORT const double iapws_r283_capi_Tc_H2O; 
+ADD_IMPORT const double iapws_r283_capi_Tc_D2O;
 
-extern const double iapws_r283_capi_pc_H2O;
-extern const double iapws_r283_capi_pc_D2O;
+ADD_IMPORT const double iapws_r283_capi_pc_H2O;
+ADD_IMPORT const double iapws_r283_capi_pc_D2O;
 
-extern const double iapws_r283_capi_rhoc_H2O;
-extern const double iapws_r283_capi_rhoc_D2O;
+ADD_IMPORT const double iapws_r283_capi_rhoc_H2O;
+ADD_IMPORT const double iapws_r283_capi_rhoc_D2O;
 
 #endif