cmake: Create imported target for Boost, if it doesn't exist yet
authorManuel Nickschas <sputnick@quassel-irc.org>
Tue, 20 Nov 2018 22:33:56 +0000 (23:33 +0100)
committerManuel Nickschas <sputnick@quassel-irc.org>
Tue, 20 Nov 2018 23:45:18 +0000 (00:45 +0100)
commit02f740a0fed75951f474fc94c23901505a031c5b
treec325ba13f1d9b8f765148b01672de87847f80a34
parente868433618defabcbdc078745e6d19dd9573c005
cmake: Create imported target for Boost, if it doesn't exist yet

Older versions of CMake's FindBoost.cmake don't create imported
targets for the library. Create it ourselves if necessary.
CMakeLists.txt