pkg_check_modules doesn't set LIBPMEMOBJ++_INCLUDE_DIRS

[seghcder]

Using the following results in no data in LIBPMEMOBJ++_INCLUDE_DIRS

pkg_check_modules(LIBPMEMOBJ++ REQUIRED libpmemobj++>=${LIBPMEMOBJ_CPP_REQUIRED_VERSION})
message (STATUS "LIBPMEMOBJ++_INCLUDE_DIRS = ${LIBPMEMOBJ++_INCLUDE_DIRS}")
message (STATUS "LIBPMEMOBJ++_LIBRARIES = ${LIBPMEMOBJ++_LIBRARIES} ")

Environment Information

• libpmemobj-cpp version(s): 1.9
• PMDK (libpmemobj) package version(s): 1.8
• OS(es) version(s): Fedora 32
• kernel version(s): Linux 5.6.16-300.fc32.x86_64
• compiler, libraries, packaging and other related tools version(s): GCC 10.1, CMake 3.17

How often bug is revealed:

Always

Actual behavior:

-- LIBPMEMOBJ++_INCLUDE_DIRS = 
-- LIBPMEMOBJ++_LIBRARIES = pmemobj 

Expected behavior:

-- LIBPMEMOBJ++_INCLUDE_DIRS = libpmemobj++
-- LIBPMEMOBJ++_LIBRARIES = pmemobj 

(or full path to lib)

Details

Workaround -

set (LIBPMEMOBJ++_INCLUDE_DIRS libpmemobj++)  

After pkg_check_modules

Additional information about Priority and Help Requested:

Are you willing to submit a pull request with a proposed change? (Yes, No)

Requested priority: (Showstopper, High, Medium, Low) Low