https://d.puremagic.com/issues/show_bug.cgi?id=12054

           Summary: PATH env. var longer than 1022 characters breaks
                    OPTLINK search path
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Keywords: link-failure
          Severity: normal
          Priority: P2
         Component: Optlink
        AssignedTo: nobody@puremagic.com
        ReportedBy: thecybershadow@gmail.com


--- Comment #0 from Vladimir Panteleev <thecybershadow@gmail.com> 2014-02-01 06:47:29 EET ---
If the system PATH variable is longer than 1022 characters, OPTLINK will fail to find phobos.lib and link D programs.

My guess is that the PATH variable contents is clobbering the LIB variable's, which happens to be adjacent in memory.

It's possible that the order of variables within the environment block also matters.

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Andrej Mitrovic <andrej.mitrovich@gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |andrej.mitrovich@gmail.com


--- Comment #1 from Andrej Mitrovic <andrej.mitrovich@gmail.com> 2014-02-01 06:18:09 PST ---
Could also be that there's a + or something in PATH (e.g. when GTK+ Runtime is installed). See Issue 4831.

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--- Comment #2 from Vladimir Panteleev <thecybershadow@gmail.com> 2014-02-01 20:39:10 EET ---
I don't think so. The problem manifests if the PATH is over 1022 characters, but not when it's exactly 1022 characters long. The number is very close 1024, which I doubt is a coincidence.

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