casa-mp-base

diff --git a/src/libopensc/internal-winscard.h b/src/libopensc/internal-winscard.h

index 011167ddc..edc315ca2 100644

--- a/src/libopensc/internal-winscard.h

+++ b/src/libopensc/internal-winscard.h

@@ -138,6 +138,7 @@ typedef const SCARD_IO_REQUEST *LPCSCARD_IO_REQUEST;

 #endif /* HAVE_SCARD_H */

+#ifndef PCSC_API

 #if defined(_WIN32)

 #define PCSC_API WINAPI

 #elif defined(USE_CYGWIN)

@@ -145,6 +146,12 @@ typedef const SCARD_IO_REQUEST *LPCSCARD_IO_REQUEST;

 #else

 #define PCSC_API

 #endif

+#endif

+

+#ifdef __APPLE__

+#define extern

+#define __attribute__(a)

+#endif

 typedef LONG (PCSC_API *SCardEstablishContext_t)(DWORD dwScope, LPCVOID pvReserved1,

    LPCVOID pvReserved2, LPSCARDCONTEXT phContext);

@@ -174,6 +181,11 @@ typedef LONG (PCSC_API *SCardListReaders_t)(SCARDCONTEXT hContext, LPCSTR mszGro

 typedef LONG (PCSC_API *SCardGetAttrib_t)(SCARDHANDLE hCard, DWORD dwAttrId,\

    LPBYTE pbAttr, LPDWORD pcbAttrLen);

+#ifdef __APPLE__

+#undef extern

+#undef __attribute__

+#endif

+

 /* Copied from pcsc-lite reader.h */

 #ifndef SCARD_CTL_CODE