FIND_PACKAGE(PyIlmBase) fails

[DenisTome]

I have installed openexr on Ubuntu 18.04 LTS with all 3 modules, and I can confirm that it has passed all the tests (make test).

In my make CMakeList file when I try to find the package FIND_PACKAGE(PyIlmBase) it fails with the following error

CMake Warning at CMakeLists.txt:36 (FIND_PACKAGE):
	Found package configuration file:

		/usr/local/lib/cmake/PyIlmBase/PyIlmBaseConfig.cmake
	
	but it set PyIlmBase_FOUND to FALSE so package "PyIlmBase" is considered to
	be NOT FOUND.  Reason given by package:

	The following imported targets are referenced, but are missing:
	IlmBase::Iex IlmBase::IexMath IlmBase::Imath

If I check /usr/local/lib I see the lib are there

lrwxrwxrwx 1 root root    16 Oct  7 15:08 libIex-2_5.so -> libIex-2_5.so.25
lrwxrwxrwx 1 root root    20 Oct  7 15:08 libIex-2_5.so.25 -> libIex-2_5.so.25.0.2
-rw-r--r-- 1 root root  646K Oct  8 11:43 libIex-2_5.so.25.0.2
lrwxrwxrwx 1 root root    20 Oct  7 15:08 libIexMath-2_5.so -> libIexMath-2_5.so.25
lrwxrwxrwx 1 root root    24 Oct  7 15:08 libIexMath-2_5.so.25 -> libIexMath-2_5.so.25.0.2
-rw-r--r-- 1 root root   19K Oct  8 11:43 libIexMath-2_5.so.25.0.2
lrwxrwxrwx 1 root root    17 Oct  8 11:44 libIexMath.so -> libIexMath-2_5.so
lrwxrwxrwx 1 root root    13 Oct  8 11:55 libIex.so -> libIex-2_5.so
lrwxrwxrwx 1 root root    28 Oct  7 15:08 libPyIex_Python2_7-2_5.so -> libPyIex_Python2_7-2_5.so.25
lrwxrwxrwx 1 root root    32 Oct  7 15:08 libPyIex_Python2_7-2_5.so.25 -> libPyIex_Python2_7-2_5.so.25.0.2
-rw-r--r-- 1 root root  8.3K Oct  8 11:43 libPyIex_Python2_7-2_5.so.25.0.2
lrwxrwxrwx 1 root root    28 Oct  7 15:08 libPyIex_Python3_7-2_5.so -> libPyIex_Python3_7-2_5.so.25
lrwxrwxrwx 1 root root    32 Oct  7 15:08 libPyIex_Python3_7-2_5.so.25 -> libPyIex_Python3_7-2_5.so.25.0.2
-rw-r--r-- 1 root root  8.3K Oct  8 11:43 libPyIex_Python3_7-2_5.so.25.0.2

I'm not sure what's causing this...