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我刚开始学习Haskell。我选择通过堆栈在PC上使用它。第一天,我和Chris Allen's tutorial一起工作,被卡在stack build
部分。该命令返回一个错误,如下图所示:当涉及外部软件包时,堆栈会生成'找不到软件包'错误
C:\Users\USER\haskellProjects\bassbull>stack build
primitive-0.6.2.0: download
integer-logarithms-1.0.2: download
primitive-0.6.2.0: configure
primitive-0.6.2.0: build
integer-logarithms-1.0.2: configure
integer-logarithms-1.0.2: build
primitive-0.6.2.0: copy/register
integer-logarithms-1.0.2: copy/register
Progress: 2/11Running C:\Users\USER\AppData\Local\Programs\stack\x86_64-windows\
ghc-8.0.2\bin\ghc-pkg.EXE --user --no-user-package-db --package-db C:\sr\snapsho
ts\1602ab97\pkgdb describe --simple-output integer-logarithms --expand-pkgroot e
xited with ExitFailure 1
WARNING: cache is out of date: C:/Users/USER/AppData/Local/Programs/stack/x86_64
-windows/ghc-8.0.2\lib\package.conf.d\package.cache
ghc will see an old view of this package db. Use 'ghc-pkg recache' to fix.
ghc-pkg.EXE: cannot find package integer-logarithms
Running C:\Users\USER\AppData\Local\Programs\stack\x86_64-windows\ghc-8.0.2\bin\
ghc-pkg.EXE --user --no-user-package-db --package-db C:\sr\snapshots\1602ab97\pk
gdb describe --simple-output primitive --expand-pkgroot exited with ExitFailure
1
WARNING: cache is out of date: C:/Users/USER/AppData/Local/Programs/stack/x86_64
-windows/ghc-8.0.2\lib\package.conf.d\package.cache
ghc will see an old view of this package db. Use 'ghc-pkg recache' to fix.
ghc-pkg.EXE: cannot find package primitive
C:\Users\USER\haskellProjects\bassbull>stack exec ghc-pkg recache
C:\Users\USER\haskellProjects\bassbull>stack build
integer-logarithms-1.0.2: configure
integer-logarithms-1.0.2: build
primitive-0.6.2.0: configure
primitive-0.6.2.0: build
integer-logarithms-1.0.2: copy/register
primitive-0.6.2.0: copy/register
Progress: 2/11Running C:\Users\USER\AppData\Local\Programs\stack\x86_64-windows\
ghc-8.0.2\bin\ghc-pkg.EXE --user --no-user-package-db --package-db C:\sr\snapsho
ts\1602ab97\pkgdb describe --simple-output primitive --expand-pkgroot exited wit
h ExitFailure 1
ghc-pkg.EXE: cannot find package primitive
Running C:\Users\USER\AppData\Local\Programs\stack\x86_64-windows\ghc-8.0.2\bin\
ghc-pkg.EXE --user --no-user-package-db --package-db C:\sr\snapshots\1602ab97\pk
gdb describe --simple-output integer-logarithms --expand-pkgroot exited with Exi
tFailure 1
ghc-pkg.EXE: cannot find package integer-logarithms
C:\Users\USER\haskellProjects\bassbull>
尝试其他教程后,我的结论是,这个尝试安装外部包和依赖时,只发生。
请帮助我摆脱过去面临的挑战,因为我非常热衷于学习编码(和编码)Haskell。