Dav*_*pin 2 c++ gcc mingw g++ visual-studio-code
我的问题: 我正在用 C++ 编写一个国际象棋引擎。编写国际象棋引擎的一部分是处理非常大的数字(可以想象高达 2^63)。我有一个正在为我的项目运行单元测试的文件,当我尝试运行构建任务以将其编译为可执行文件时,出现以下错误:
C:/Program Files/mingw-w64/x86_64-8.1.0-posix-seh-rt_v6-rev0/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/as.exe: C:\Users\chopi\AppData\Local\Temp\ccEvO3si.o: too many sections (32782)
C:\Users\chopi\AppData\Local\Temp\ccCF1XuS.s: Assembler messages:
C:\Users\chopi\AppData\Local\Temp\ccCF1XuS.s: Fatal error: can't write 293 bytes to section .text of C:\Users\chopi\AppData\Local\Temp\ccEvO3si.o: 'File too big'
C:/Program Files/mingw-w64/x86_64-8.1.0-posix-seh-rt_v6-rev0/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/as.exe: C:\Users\chopi\AppData\Local\Temp\ccEvO3si.o: too many sections (32782)
C:\Users\chopi\AppData\Local\Temp\ccCF1XuS.s: Fatal error: can't close C:\Users\chopi\AppData\Local\Temp\ccEvO3si.o: File too big
The terminal process "C:\windows\System32\WindowsPowerShell\v1.0\powershell.exe -Command & 'C:\Program Files\mingw-w64\x86_64-8.1.0-posix-seh-rt_v6-rev0\mingw64\bin\g++.exe' -g c:\Users\chopi\Desktop\chess-engine\maestro-tests\main.cpp -o c:\Users\chopi\Desktop\chess-engine\maestro-tests\main.exe" terminated with exit code: 1.
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基本上,章节太多了。因此,我去寻找答案,发现很多地方解释了如何配置bigobj
Visual Studio,但没有解释如何配置Visual Studio Code。
我尝试过的:
它应该像编译时传递/bigobj
、-bigobj
或两者-Wa
作为-mbig-obj
选项一样简单。因此,我尝试了一些应该但没有的方法,在启用大对象的情况下编译我的代码。这就是我的样子tasks.json
:
{
"version": "2.0.0",
"tasks": [
{
"type": "shell",
"label": "C/C++: g++.exe build active file",
"command": "C:\\Program Files\\mingw-w64\\x86_64-8.1.0-posix-seh-rt_v6-rev0\\mingw64\\bin\\g++.exe",
"args": [
"-g",
"${file}",
"-o",
"${fileDirname}\\${fileBasenameNoExtension}.exe"
],
"options": {
"cwd": "${workspaceFolder}"
},
"problemMatcher": [
"$gcc"
],
"group": {
"kind": "build",
"isDefault": true
}
}
]
}
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但我也尝试过:
{
"version": "2.0.0",
"tasks": [
{
"type": "shell",
"label": "C/C++: g++.exe build active file",
"command": "C:\\Program Files\\mingw-w64\\x86_64-8.1.0-posix-seh-rt_v6-rev0\\mingw64\\bin\\g++.exe",
"args": [
"-g",
"-bigobj",
"${file}",
"-o",
"${fileDirname}\\${fileBasenameNoExtension}.exe"
],
"options": {
"cwd": "${workspaceFolder}"
},
"problemMatcher": [
"$gcc"
],
"group": {
"kind": "build",
"isDefault": true
}
}
]
}
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和
{
"version": "2.0.0",
"tasks": [
{
"type": "shell",
"label": "C/C++: g++.exe build active file",
"command": "C:\\Program Files\\mingw-w64\\x86_64-8.1.0-posix-seh-rt_v6-rev0\\mingw64\\bin\\g++.exe",
"args": [
"-g",
"-Wa",
"-mbig-obj",
"${file}",
"-o",
"${fileDirname}\\${fileBasenameNoExtension}.exe"
],
"options": {
"cwd": "${workspaceFolder}"
},
"problemMatcher": [
"$gcc"
],
"group": {
"kind": "build",
"isDefault": true
}
}
]
}
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...等等。
这些配置会产生以下错误g++.exe: error: unrecognized command line option '-bigobj'
:
g++.exe: error: unrecognized command line option '-Wa'; did you mean '-W'?
g++.exe: error: unrecognized command line option '-mbig-obj'
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, 分别。
我想知道的是:
那么,有没有办法可以解决Visual Studio Code"too many sections"
中的此错误?或者我必须硬着头皮为Visual Studio配置一切?
正如 user4581301 所建议的,我必须不将-Wa
和-mbig-obj
作为两个独立的选项分开。相反,我不得不将它们保留为一种选择:-Wa,-mbig-obj
. 这遇到了一个错误,但是,根据这个答案,添加--%
作为第一个参数,再加上上述有关选项的建议,让我的代码最终编译为可执行文件。这是tasks.json
更改后的样子:
{
"version": "2.0.0",
"tasks": [
{
"type": "shell",
"label": "C/C++: g++.exe build active file",
"command": "C:\\Program Files\\mingw-w64\\x86_64-8.1.0-posix-seh-rt_v6-rev0\\mingw64\\bin\\g++.exe",
"args": [
"--%",
"-g",
"-Wa,-mbig-obj",
"${file}",
"-o",
"${fileDirname}\\${fileBasenameNoExtension}.exe"
],
"options": {
"cwd": "${workspaceFolder}"
},
"problemMatcher": [
"$gcc"
],
"group": {
"kind": "build",
"isDefault": true
}
}
]
}
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