gflags in cmake on linux

Summary:
We should use it if available otherwise the tools builds never work. Thanks to #3212, we can set -DGFLAGS=1 and it'll be independent of the namespace with which gflags was compiled.
Closes https://github.com/facebook/rocksdb/pull/3214

Differential Revision: D6462214

Pulled By: ajkr

fbshipit-source-id: db4e5f1b905322e3119554a9d01b57532c499384
This commit is contained in:
Andrew Kryczka 2017-12-01 18:26:15 -08:00 committed by Facebook Github Bot
parent 63f1c0a57d
commit 57056bb606

View File

@ -249,6 +249,13 @@ if(WITH_UBSAN)
endif()
endif()
find_package(gflags)
if(gflags_FOUND)
add_definitions(-DGFLAGS=1)
include_directories(${gflags_INCLUDE_DIR})
list(APPEND THIRDPARTY_LIBS ${gflags_LIBRARIES})
endif()
find_package(NUMA)
if(NUMA_FOUND)
add_definitions(-DNUMA)