kicad vs. recent CMake?

["John D. Baker" <jdbaker%mylinuxisp.com@localhost>]

With recent pkgsrc-HEAD "cad/kicad" fails during configure phase with:

[...]
-- Looking for strtok_r - found
CMake Error at CMakeModules/CheckCXXSymbolExists.cmake:41 (_CHECK_SYMBOL_EXISTS):
   Unknown CMake command "_CHECK_SYMBOL_EXISTS".
Call Stack (most recent call first):
   CMakeModules/PerformFeatureChecks.cmake:86 (check_cxx_symbol_exists)
   CMakeLists.txt:141 (perform_feature_checks)


-- Configuring incomplete, errors occurred!
See also "/data/scratch/cad/kicad/work/kicad-4.0.7/CMakeFiles/CMakeOutput.log".
*** Error code 1

Stop.
make[1]: stopped in /data/pkgsrc/cad/kicad
*** Error code 1

Stop.
make: stopped in /data/pkgsrc/cad/kicad


The above has been observed on i386 and amd64 netbsd-8 and -current.
Also in bulk-build reports including:

  http://mail-index.NetBSD.org/pkgsrc-bulk/2018/06/05/msg016020.html
  http://mail-index.NetBSD.org/pkgsrc-bulk/2018/06/19/msg016068.html

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