nimscript: `setcommand` doesn't support absolute paths on Windows

nim-lang / Nim

Nim is a statically typed compiled systems programming language. It combines successful concepts from mature languages like Python, Ada and Modula. Its design focuses on efficiency, expressiveness, and elegance (in that order of priority).

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nimscript: `setcommand` doesn't support absolute paths on Windows #4765

Closed nigredo-tori closed 7 years ago

nigredo-tori commented 8 years ago

import ospaths

--app:lib
--define:createNimRtl

let nimDir = findExe("nim").parentDir.parentDir
setcommand "c", nimDir / "lib" / "nimrtl.nim"

fails:

Error: cannot open 'c:\dev\tmp\c:\dev\nim\lib\nimrtl.nim'

The reason - code in compiler/scriptconfig.nim assumes canonicalizePath raises OSError on invalid paths. On Windows it does not.

Araq commented 7 years ago

Ok, so you found the reason. How about a PR?