fixed cmake issues

CMakeLists.txt

Podd/CMakeLists.txt

apps/CMakeLists.txt

src/3rd_party/build_all_3rd_party.sh

src/3rd_party/spdlog/.clang-format

src/3rd_party/spdlog/.clang-tidy

src/3rd_party/spdlog/.gitignore

src/3rd_party/spdlog/.travis.yml

src/3rd_party/spdlog/CMakeLists.txt

src/3rd_party/spdlog/INSTALL

src/3rd_party/spdlog/LICENSE

src/3rd_party/spdlog/README.md

src/3rd_party/spdlog/appveyor.yml

src/3rd_party/spdlog/bench/CMakeLists.txt

src/3rd_party/spdlog/bench/async_bench.cpp

src/3rd_party/spdlog/bench/bench.cpp

src/3rd_party/spdlog/bench/formatter-bench.cpp

src/3rd_party/spdlog/bench/latency.cpp

src/3rd_party/spdlog/bench/logs/.gitignore

src/3rd_party/spdlog/bench/mem