可以编译

src/CMakeLists.txt

@@ -1,4 +1,20 @@
 cmake_minimum_required(VERSION 3.6)
 project(share_me)
 
+IF(UNIX)
+    ADD_DEFINITIONS(-D__unix__)
+ELSEIF(WIN32)
+    ADD_DEFINITIONS(-D_WIN32)
+ENDIF(UNIX)
+
+SET(LIBRARY_OUTPUT_PATH ${PROJECT_BINARY_DIR}/lib)
+SET(EXECUTABLE_OUTPUT_PATH ${PROJECT_BINARY_DIR}/bin)
+
+# ADD_SUBDIRECTORY(common)
+ADD_SUBDIRECTORY(FileTransfer)
+
+# INCLUDE_DIRECTORIES(./common/ftplib)
+
 add_executable(main main.cpp)
+
+# TARGET_LINK_LIBRARIES(main ftp)

src/FileTransfer/CMakeLists.txt

@@ -0,0 +1,4 @@
+
+AUX_SOURCE_DIRECTORY(. SRC_LIST)
+
+ADD_LIBRARY(FileTransfer STATIC ${SRC_LIST})

src/FileTransfer/FileTransfer.cpp

@@ -0,0 +1,15 @@
+#include "FileTransfer.h"
+
+#include <iostream>
+
+FileTransferServer* FileTransferServer::Instanse() {
+    static FileTransferServer* f = NULL;
+    if ( f == NULL ) {
+        f = new FileTransferServer();
+    }
+    return f;
+}
+
+bool FileTransferServer::Config() {
+    return true;
+}

src/FileTransfer/FileTransfer.h

@@ -0,0 +1,16 @@
+#ifndef SHARE_ME_FILE_TRANSFER
+#define SHARE_ME_FILE_TRANSFER
+
+class FileTransferServer {
+private:
+    FileTransferServer(){};
+    ~FileTransferServer(){};
+
+public:
+    static FileTransferServer* Instanse();
+
+    bool Config();
+
+};
+
+#endif

src/common/CMakeLists.txt

@@ -0,0 +1,3 @@
+# SET(LIBRARY_OUTPUT_PATH ${PROJECT_BINARY_DIR}/lib)
+
+ADD_SUBDIRECTORY(ftplib)

src/common/ftplib/CMakeLists.txt

@@ -2,10 +2,6 @@ SET(SSRC ftplib.c)
 
 MESSAGE(STATUS "plate ${CMAKE_SYSTEM} ${CMAKE_SYSTEM_PROCESSOR}")
 
-IF(UNIX)
-    ADD_DEFINITIONS(-D__unix__)
-ELSEIF(WIN32)
-    ADD_DEFINITIONS(-D_WIN32)
-ENDIF(UNIX)
+
 
 ADD_LIBRARY(ftp STATIC ${SSRC})

src/main.cpp

@@ -2,8 +2,12 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <math.h>
+
+// #include "ftplib.h"
+
 int main (int argc, char *argv[])
 {
+  // FtpInit();
   if (argc < 2)
     {
         fprintf(stdout,"Usage: %s number\n",argv[0]);