[pdal] PDAL 2.0.1 build issue

[Jim Klassen]

On 9/13/19 8:05 AM, Howard Butler wrote:
>> On Sep 12, 2019, at 3:03 PM, Jim Klassen <klassen.js at gmail.com <mailto:klassen.js at gmail.com>> wrote:
>>
>> */src/libgtest.so*
>
> I suspect the CMakeLists.txt of gtest is somehow not getting a proper CMake path set, and your hunch about it not mattering on the Docker builds due to them being built as root is probably accurate.
>
> I would rummage around in the gtest CMake configuration and see if you can figure out which variable our CMake configuration needs to set.
>
> Howard

After multiple attempts at rummaging around, I think the culprit is in 'cmake/gtest.cmake'.  I suspect that ${gtest_BINARY_DIR} is unset.  Based on comments in 'vendor/gtest/CMakeLists.txt' it appears that it may also use this variable internally.
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