RFR: 8356820: fixpath should allow + in paths on Windows

[Erik Joelsson]

On Tue, 13 May 2025 01:17:25 GMT, Chihiro Ito <cito at openjdk.org> wrote:

> When we run configure on Windows, fixpath is used, but this causes an error if the path contains +.
> 
> For example, when we unzip Temurin 24, the directory name created is jdk-24+36. When we specify this as the boot JDK, the following error is output and configure fails
> 
> 
> configure: The path of BOOT_JDK_ARG, which is given as “/mnt/d/opt/jdks/temurin-24+36”, cannot be properly resolved.
> configure: Please see the section “Special Considerations” in building.md.
> configure: This is the error message given by fixpath:
> fixpath: failure: Path '/mnt/d/opt/jdks/temurin-24+36' could not be converted to short path
> configure: error: Cannot continue

Marked as reviewed by erikj (Reviewer).

-------------

PR Review: https://git.openjdk.org/jdk/pull/25197#pullrequestreview-2836644099