所以我嘗試安裝ghc-mod-5.4.0.0
,它與一堆其他安裝的崩潰:堆棧 - 如何(?力)安裝舊版本的包裝
Error: While constructing the build plan, the following exceptions were encountered:
In the dependencies for ghc-mod-5.4.0.0:
async-2.1.1 must match <2.1 && >=2.0.2 (latest applicable is 2.0.2)
cabal-helper-0.7.3.0 must match <0.7 && >=0.6.1.0 (latest applicable is 0.6.3.1)
cereal-0.5.4.0 must match <0.5 && >=0.4 (latest applicable is 0.4.1.1)
directory-1.3.0.0 must match <1.3 (latest applicable is 1.2.7.1)
extra-1.5.1 must match ==1.4.* (latest applicable is 1.4.12)
ghc-8.0.2 must match >=7.4 && <7.11
haskell-src-exts-1.18.2 must match <1.18 && >=1.16.0.1 (latest applicable is 1.17.1)
pipes-4.3.2 must match ==4.1.* (latest applicable is 4.1.9)
process-1.4.3.0 must match <1.3 (latest applicable is 1.2.3.0)
time-1.6.0.1 must match <1.6 (latest applicable is 1.5.0.1)
transformers-0.5.2.0 must match <0.5 (latest applicable is 0.4.3.0)
Plan construction failed.
那麼,如何迫使它安裝該版本?有沒有簡單的方法來清除堆棧安裝緩存或類似的東西?
的堆棧。清除緩存應該永遠不需要使用堆棧,因爲它被設計爲可以與很多不同版本一起工作,無論是庫還是可執行文件 – epsilonhalbe