谷歌在搜索此错误时没有看到任何相关结果，所以我想发布它。
<!DOCTYPE html>
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<meta charset="utf-8" />
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<body>
<ol type="1">
<li>Install Miniconda for Python 3.6 from <a href="https://conda.io/miniconda.html">https://conda.io/miniconda.html</a></li>
<li>Open a command prompt</li>
<li>Type <code class="code">conda install numpy</code></li>
<li>Type <code class="code">conda install pyopengl</code></li>
<li>Type <code class="code">python -m pip install simpylc</code></li>
<li>Install freeglut as explained on <a href="http://freeglut.sourceforge.net/index.php#download">http://freeglut.sourceforge.net/index.php#download</a> Alternatively, type:
<pre>sudo apt-get update
sudo apt-get install build-essential
sudo apt-get install freeglut3-dev</pre>
</li>
<li>Yet another item</li>
<li>And yet another</li>
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</body>
</html>
这绝对与“测试”有关。可执行定义 - 就像我删除它一样，它成功地完成了stack build
Building all executables for `gitchapter' once. After a successful build of all of them, only specified executables will be rebuilt.
gitchapter-0.1.0.0: build (exe)
Preprocessing executable 'app' for gitchapter-0.1.0.0..
Building executable 'app' for gitchapter-0.1.0.0..
Preprocessing executable 'test' for gitchapter-0.1.0.0..
Warning: Enabling workaround for Main module 'Main' listed in 'other-modules'
Building executable 'test' for gitchapter-0.1.0.0..
illegaly!
<no location info>: error:
output was redirected with -o, but no output will be generated
because there is no Main module.
-- While building custom Setup.hs for package gitchapter-0.1.0.0 using:
/home/chris/.stack/setup-exe-cache/x86_64-linux-nopie/Cabal-simple_mPHDZzAJ_2.0.1.0_ghc-8.2.2 --builddir=.stack-work/dist/x86_64-linux-nopie/Cabal-2.0.1.0 build exe:app exe:test --ghc-options " -ddump-hi -ddump-to-file -fdiagnostics-color=always"
Process exited with code: ExitFailure 1
- 但没有所需的测试可执行文件。
gitchapter.cabal
stack build答案 0 :(得分：1)
您需要设置
executable test
ghc-options: -main-is Test
。