[MacPorts] #52754: libsdl2 @2.0.5: missing x11 library dependencies cause opportunistic linking and varying amounts of functionality for +x11 variant.

[MacPorts]

#52754: libsdl2 @2.0.5: missing x11 library dependencies cause opportunistic
linking and varying amounts of functionality for +x11 variant.
-----------------------+----------------------
  Reporter:  dbevans   |      Owner:  jmroot
      Type:  defect    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:
Resolution:            |   Keywords:  haspatch
      Port:  liibsdl2  |
-----------------------+----------------------
Description changed by dbevans:

Old description:

> When building with the +x11 variant, libsdl2 has a list of X11 libraries
> that it will look for a configure time and enable or disable
> functionality depending on the results.  This results in opportunistic
> link with libraries that are not listed as dependencies in the port, and
> variable functionality based on what is, or is not present.
>
> From a review of configure.in here is the list of ports that should be
> added in addition to the current ones as dependencies for the +x11
> variant:
>
>  * xorg-libX11 (previously implied, now explicit)
>  * xorg-libXcursor
>  * xorg-libXi
>  * xorg-libXinerama
>  * xorg-libXScrnSaver
>  * xorg-libXxf86vm
>
> Patch attached with rev bump to ensure all have the same set of
> functionality.

New description:

 When building with the +x11 variant, libsdl2 has a list of X11 libraries
 that it will look for at configure time and enable or disable
 functionality depending on the results.  This results in opportunistic
 linking with libraries that were not listed as dependencies in the port,
 and variable functionality based on what is, or is not present.

 From a review of configure.in here is the list of ports that should be
 added in addition to the current ones as dependencies for the +x11
 variant:

  * xorg-libX11 (previously implied, now explicit)
  * xorg-libXcursor
  * xorg-libXi
  * xorg-libXinerama
  * xorg-libXScrnSaver
  * xorg-libXxf86vm

 Patch attached with rev bump to ensure all have the same set of
 functionality.

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Ticket URL: <https://trac.macports.org/ticket/52754#comment:1>
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