diff --git a/clang/include/clang-c/Platform.h b/clang/include/clang-c/Platform.h index 67c1fff8ff783..8d341ddd6f8eb 100644 --- a/clang/include/clang-c/Platform.h +++ b/clang/include/clang-c/Platform.h @@ -22,7 +22,7 @@ LLVM_CLANG_C_EXTERN_C_BEGIN #ifndef CINDEX_NO_EXPORTS #define CINDEX_EXPORTS #endif -#ifdef _WIN32 +#if defined(_WIN32) || defined(__CYGWIN__) #ifdef CINDEX_EXPORTS #ifdef _CINDEX_LIB_ #define CINDEX_LINKAGE __declspec(dllexport)