我把letter shell移植到linux平台，编译报错 #164
Comments
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你好，邮件已收到，谢谢！
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怎么解决呢 ？ |
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我把x86-demo的cmake指定交叉编译器生成makefile编译，也是一堆错误。： |
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有部分是强制转换的错，你是不是使用的 clang，原先代码里面很多会报警告的强转，这个得花点时间处理下 |
什么时候出一个可以在嵌入式linux平台交叉编译通过的版本啊？ 还有那个ld文件是必须得么？ |
你的目标平台是什么，使用命令导出必须修改ld |
目标平台是imx6ull或者imx8m。 关键是这个ld我不知道该怎么改，能各个demo 么？ |
这个和工具链关联太大了，有些工具链会修改，x86 的 demo 里面有一个改了的，针对 gcc |
你手头有交叉工具链么，改一个出来参考下 |
gcc编译是通过，运行没毛病。 我用imx6ull的交叉编译工具链就通过不了 |
lshell/source/shell.c:27:5: error: expected primary-expression before ‘.’ token
27 | .attr.value = SHELL_CMD_PERMISSION(0)|SHELL_CMD_TYPE(SHELL_TYPE_USER),
| ^
lshell/source/shell.c:28:5: error: expected primary-expression before ‘.’ token
28 | .data.user.name = shellCmdDefaultUser,
| ^
lshell/source/shell.c:29:5: error: expected primary-expression before ‘.’ token
29 | .data.user.password = shellPasswordDefaultUser,
| ^
lshell/source/shell.c:30:5: error: expected primary-expression before ‘.’ token
30 | .data.user.desc = shellDesDefaultUser
| ^
lshell/source/shell.c: In function ‘void shellInit(Shell*, char*, short unsigned int)’:
lshell/source/shell.c:202:71: error: cast from ‘const unsigned int*’ to ‘unsigned int’ loses precision [-fpermissive]
202 | shell->commandList.count = ((unsigned int)(&_shell_command_end)
| ^
lshell/source/shell.c:203:71: error: cast from ‘const unsigned int*’ to ‘unsigned int’ loses precision [-fpermissive]
203 | - (unsigned int)(&_shell_command_start))
| ^
lshell/source/shell.c:217:61: error: invalid conversion from ‘void*’ to ‘ShellCommand*’ {aka ‘shell_command*’} [-fpermissive]
217 | shell->commandList.base,
| ~~~~~~~~~~~~~~~~~~~^~~~
| |
| void*
lshell/source/shell.c:159:46: note: initializing argument 3 of ‘ShellCommand* shellSeekCommand(Shell*, const char*, ShellCommand*, short unsigned int)’
159 | ShellCommand base,
| ~~~~~~~~~~~~~~^~~~
lshell/source/shell.c: In function ‘short unsigned int shellWriteCommandDesc(Shell, const char*)’:
lshell/source/shell.c:331:22: error: ISO C++ forbids converting a string constant to ‘char*’ [-Werror=write-strings]
331 | shell->write("...", 3);
| ^~~~~
lshell/source/shell.c: In function ‘ShellCommand* shellSeekCommand(Shell*, const char*, ShellCommand*, short unsigned int)’:
lshell/source/shell.c:986:15: error: cast from ‘ShellCommand*’ {aka ‘shell_command*’} to ‘int’ loses precision [-fpermissive]
986 | ((int)base - (int)shell->commandList.base) / sizeof(ShellCommand);
| ^~~~
lshell/source/shell.c:986:46: error: cast from ‘void*’ to ‘int’ loses precision [-fpermissive]
986 | ((int)base - (int)shell->commandList.base) / sizeof(ShellCommand);
参考的是x86的那个例子
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