[asterisk-bugs] [JIRA] (ASTERISK-27761) [patch] BuildSystem: With an external editline, do not require libs for the internal editline.

[Alexander Traud (JIRA)]

Alexander Traud created ASTERISK-27761:
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             Summary: [patch] BuildSystem: With an external editline, do not require libs for the internal editline.
                 Key: ASTERISK-27761
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-27761
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Core/BuildSystem
    Affects Versions: 15.3.0, 13.20.0
            Reporter: Alexander Traud
            Severity: Minor


In Asterisk, libedit is a basic/essential requirement.

ASTERISK-18725 allows an external libedit, the copy of the platform. However, that change was not complete: Libraries required for the internal libedit were still checked. Those libraries remained basic/essential for the whole Asterisk, even then when an external libedit is available. The solution is to check for the external libedit before the libraries for the internal libedit. And to check for those libraries only when the internal libedit is going to be used. Finally, re-checks for an alternative library (for the required libedit) are done only when the previous check failed. This avoids up-to four unnecessary checks.

ASTERISK-27634 removed the internal libedit for the upcoming Asterisk 16. However, that change was not complete: The build system still checked for libraries required for an internal libedit. That is a follow-up issue of the one above because that relationship between external libedit and libraries required for an internal libedit was not obvious. This avoids four unnecessary checks.

For both issues, no real-world effects are known, because the other essential requirements of Asterisk (libxml2) depend at least on one of those libraries required for an internal libedit. However, on some platforms, like openSUSE Leap, the error message printed by the script {{./configure}} asked for such an library erroneously.



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