Making JSI_EXPORT macro definition conditional (#22561)

Summary: This change enables defining the macro at a more global and central location. And thereby allowing us to building this file using MSVC. Pull Request resolved: #22561 Reviewed By: fkgozali Differential Revision: D13529762 Pulled By: RSNara fbshipit-source-id: c78abb26f47aba25d50305c5bc0b23b6568f1243
facebook · Dec 27, 2018 · 1d0404c · 1d0404c
1 parent 5957c8b
commit 1d0404c
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/ReactCommon/jsi/jsi.h b/ReactCommon/jsi/jsi.h
@@ -13,7 +13,9 @@
 #include <string>
 #include <vector>
 
+#ifndef JSI_EXPORT
 #define JSI_EXPORT __attribute__((visibility("default")))
+#endif
 
 class FBJSRuntime;
 namespace facebook {