cocoa2d导出xcode工程用xcode11及以上版本编译报错：'system' is unavailable: not available on iOS，这是因为iOS11+废弃了system，解决方案如下:
一、修改文件CCFileUtils.cpp
1.1在#include <dirent.h>下新增如下代码(在1231行左右)
#if (CC_TARGET_PLATFORM != CC_PLATFORM_ANDROID)
#include <ftw.h>
#endif
namespace
{
#if (CC_TARGET_PLATFORM != CC_PLATFORM_ANDROID)
int unlink_cb(const char *fpath, const struct stat *sb, int typeflag, struct FTW *ftwbuf)
{
int rv = remove(fpath);
if (rv)
perror(fpath);
return rv;
}
#endif
}
1.2 在bool FileUtils::removeDirectory(const std::string& path)方法下实现改成下面的方式
bool FileUtils::removeDirectory(const std::string& path)
{
#if !defined(CC_TARGET_OS_TVOS)
#if (CC_TARGET_PLATFORM != CC_PLATFORM_ANDROID)
if (nftw(path.c_str(), unlink_cb, 64, FTW_DEPTH | FTW_PHYS) == -1)
return false;
else
return true;
#else
std::string command = "rm -r ";
// Path may include space.
command += "\"" + path + "\"";
if (system(command.c_str()) >= 0)
return true;
else
return false;
#endif // (CC_TARGET_PLATFORM != CC_PLATFORM_ANDROID)
#else
return false;
#endif
#endif // !defined(CC_TARGET_OS_TVOS)
}
二、修改文件cocos2d_lua/external/lua/Ioslib.c
2.1在#include "lualib.h"行下新增代码
#include <ftw.h>
int unlink_cb(const char *fpath, const struct stat *sb, int typeflag, struct FTW *ftwbuf)
{
int rv = remove(fpath);
if (rv)
perror(fpath);
return rv;
}
2.2替换方法: lua_pushinteger(L, system(luaL_optstring(L, 1, NULL)));
为
lua_pushinteger(L, nftw(luaL_optstring(L, 1, NULL), unlink_cb, 64, FTW_DEPTH | FTW_PHYS));
