Use cl(the MS C/C++ compiler) instead of cc for MSVC build.

src/wx/CMakeLists.txt

@@ -203,8 +203,14 @@ IF(CMAKE_HOST_WIN32)
     SET(BIN2C ${BIN2C}.exe)
 ENDIF()
 
+IF(MSVC)
+    SET(NATIVE_CC cl)
+ELSE(MSVC)
+    SET(NATIVE_CC cc)
+ENDIF(MSVC)
+
 ADD_CUSTOM_COMMAND(OUTPUT ${BIN2C}
-                   COMMAND cc ${CMAKE_CURRENT_SOURCE_DIR}/bin2c.c -o ${BIN2C}
+                   COMMAND ${NATIVE_CC} ${CMAKE_CURRENT_SOURCE_DIR}/bin2c.c -o ${BIN2C}
 		   DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/bin2c.c)
 ADD_CUSTOM_COMMAND(OUTPUT wxvbam.xrs
                    WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}

src/wx/bin2c.c

@@ -34,7 +34,9 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include <ctype.h>
 #include <wchar.h>
 #include <locale.h>
+#ifndef _MSC_VER
 #include <unistd.h>
+#endif
 #include <wctype.h>
 
 #define BUF_SIZE  4096