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Haskell でコンパイル時、 clang がエラーを吐いて失敗するときの対処法

Last updated at Posted at 2018-09-28

背景

すごいH本(すごいHaskell楽しく学ぼう!) の 8.2 Hello, World! で .hs ファイルをコンパイルする説明があるが、実際にやってみたらエラーになって困った。

問題

$ cat helloworld.hs
main = putStrLn "hello, world"

というようにファイルを用意した状態で、以下のコマンドを打つと、エラーになる。

$ ghc --make hello
[1 of 1] Compiling Main             ( hello.hs, hello.o )
clang: error: unknown argument: '-no-pie'
`gcc' failed in phase `Assembler'. (Exit code: 1)

対策

まず root 権限になる。

$ sudo su - root

次に、/Library/Frameworks/GHC.framework/Versions/8.4.3-x86_64/usr/lib/ghc-8.4.3/settings ファイルをいじる。

$ vim /Library/Frameworks/GHC.framework/Versions/8.4.3-x86_64/usr/lib/ghc-8.4.3/settings

以下のように変更する

before
...省略...
, ("C compiler supports -no-pie","YES")
...省略...
after
...省略...
, ("C compiler supports -no-pie","NO")
...省略...

gcc/ghc のバージョン

gcc のバージョンは、

$ gcc -v
Configured with: --prefix=/Library/Developer/CommandLineTools/usr --with-gxx-include-dir=/usr/include/c++/4.2.1
Apple LLVM version 9.0.0 (clang-900.0.39.2)
Target: x86_64-apple-darwin16.7.0
Thread model: posix
InstalledDir: /Library/Developer/CommandLineTools/usr/bin

ghc のバージョンは、

$ghc -v
Glasgow Haskell Compiler, Version 8.4.3, stage 2 booted by GHC version 8.2.2
Using binary package database: /Library/Frameworks/GHC.framework/Versions/8.4.3-x86_64/usr/lib/ghc-8.4.3/package.conf.d/package.cache
package flags []
loading package database /Library/Frameworks/GHC.framework/Versions/8.4.3-x86_64/usr/lib/ghc-8.4.3/package.conf.d
wired-in package ghc-prim mapped to ghc-prim-0.5.2.0
wired-in package integer-gmp mapped to integer-gmp-1.0.2.0
wired-in package base mapped to base-4.11.1.0
wired-in package rts mapped to rts
wired-in package template-haskell mapped to template-haskell-2.13.0.0
wired-in package ghc mapped to ghc-8.4.3
wired-in package dph-seq not found.
wired-in package dph-par not found.
*** Deleting temp files:
Deleting:
*** Deleting temp dirs:
Deleting:
ghc: no input files
Usage: For basic information, try the `--help' option.

参考

こちらを参考にした。
https://stackoverflow.com/questions/50386787/cabal-install-gcc-failed-in-phase-c-compiler/50419101#50419101

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