windows: expose public APIs with dllimport for user apps

CMakeLists.txt

@@ -150,6 +150,7 @@ endif ()
 include_directories("${PROJECT_SOURCE_DIR}/include")
 
 if (BUILD_STATIC)
+    add_definitions(-DCAPSTONE_STATIC)
     add_library(capstone STATIC ${SOURCES})
 else ()
     add_definitions(-DCAPSTONE_SHARED)

include/capstone.h

@@ -20,8 +20,10 @@ extern "C" {
 #pragma warning(disable:4100)
 #ifdef CAPSTONE_SHARED	// compiling DLL file
 #define CAPSTONE_EXPORT __declspec(dllexport)
-#else
+#elif defined(CAPSTONE_STATIC)
 #define CAPSTONE_EXPORT
+#else	// code uses our DLL
+#define CAPSTONE_EXPORT __declspec(dllimport)
 #endif
 #else	// not MSVC
 #define CAPSTONE_EXPORT