https://issues.dlang.org/show_bug.cgi?id=14342

          Issue ID: 14342
           Summary: [REG] std.algorithm.internal omitted from posix.mak
           Product: D
           Version: D2
          Hardware: All
                OS: Linux
            Status: NEW
          Severity: regression
          Priority: P1
         Component: Phobos
          Assignee: nobody@puremagic.com
          Reporter: bugzilla@digitalmars.com

which causes:

   make unittest

to fail on Linux and OSX for shared libraries.

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