COMP: Fix Slicer extension packaging

[jcfr]

Setting CPACK_INSTALL_CMAKE_PROJECTS variable became a requirement following Slicer r25181. That said extensions only started to fail packaging recently because fix introduced in r25181 was made effective after Slicer r26488.

See https://discourse.slicer.org/t/extension-build-failures/1274/4

r25181: BUG: Extension packaging: For SuperBuild extension, ensure fixup happens last r26488: COMP: Ensure 3rd libs and binaries are fixed up for SuperBuild extensions

http://viewvc.slicer.org/viewvc.cgi/Slicer4?view=revision&revision=25181 http://viewvc.slicer.org/viewvc.cgi/Slicer4?view=revision&revision=26488

Reported-by: Andriy Fedorov fedorov@bwh.harvard.edu

[codecov[bot]]

Codecov Report

Merging #310 into master will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #310   +/-   ##
=======================================
  Coverage   79.13%   79.13%           
=======================================
  Files          28       28           
  Lines        2334     2334           
=======================================
  Hits         1847     1847           
  Misses        487      487

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[fedorov]

Thank you JC! Sorry if this is something we missed to fix based on forum announcements.

[jcfr]

Sorry if this is something we missed to fix based on forum announcements

No worry. This had to be fixed.

At least now, following r26550 a configure error will be report for other developer.