commercialhaskell/stack

Opaque error during stack setup

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#4,357 创建于 2018年10月14日

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component: linuxhelp wantedtype: enhancement

描述

On a gentoo system where ncurses was built without the tinfo USE flag, GHC installation failed due to the absence of libtinfo.so.6. This was only apparent after running stack setup with --verbosity=debug, and the error normally reported by stack was quite non-specific:

$ stack setup
Preparing to install GHC (ncurses6) to an isolated location.
This will not interfere with any system-level installation.
Preparing to download ghc-ncurses6-8.4.3 ...
Already downloaded.
Unpacking GHC into /home/user/.stack/programs/x86_64-linux/ghc-ncurses6-8.4.3.temp/ ...
Configuring GHC ...
Installing GHC ...
Received ExitFailure 2 when running
Raw command: /usr/bin/gmake install
Run from: /home/user/.stack/programs/x86_64-linux/ghc-ncurses6-8.4.3.temp/ghc-8.4.3/

Recompiling ncurses with the tinfo USE flag resolved the issue. Clearer error reporting in this case would be useful.

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领域
developer experience
议题类型
bug
难度面向新贡献者的预计实现难度，1 表示很小改动，5 表示专家级工作。
3
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stale
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clear
前置要求
Basic Haskellstack CLISystem dependencies
新手友好度1-100 的估计分数，表示该议题对首次贡献者的友好程度。
60
研究方向
Investigate the stack setup code to find where the error is generated during GHC installation. The issue is in the error handling of the make install command, likely in the setup module (e.g., src/Stack/Setup.hs). Consider capturing stderr output from the subprocess and including it in the error message to help users diagnose missing dependencies like libtinfo.