From: Kefu Chai <kchai@redhat.com>
Date: Thu, 11 Aug 2016 06:48:35 +0000 (+0800)
Subject: cmake: cleanup Findleveldb.cmake
X-Git-Tag: ses5-milestone5~140^2~1
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=96fdb6914add4a1b8d3b4e6c5aaf28416b23fbd9;p=ceph.git

cmake: cleanup Findleveldb.cmake

* and reference leveldb library and include dir with fullpath

Signed-off-by: Kefu Chai <kchai@redhat.com>
---

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0cd73bfab6ba..1c91fcc3db5b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -237,7 +237,7 @@ option(WITH_RBD "Remote block storage is here" ON)
 option(WITH_LEVELDB "LevelDB is here" ON)
 if(${WITH_LEVELDB})
 find_package(leveldb REQUIRED)
-find_file(HAVE_LEVELDB_FILTER_POLICY filter_policy.h PATHS /usr/include/leveldb)
+find_file(HAVE_LEVELDB_FILTER_POLICY leveldb/filter_policy.h PATHS ${LEVELDB_INCLUDE_DIR})
 endif(${WITH_LEVELDB})
 
 option(WITH_EXPAT "EXPAT is here" ON)
diff --git a/cmake/modules/Findleveldb.cmake b/cmake/modules/Findleveldb.cmake
index dabe63a56067..32786e979945 100644
--- a/cmake/modules/Findleveldb.cmake
+++ b/cmake/modules/Findleveldb.cmake
@@ -1,42 +1,18 @@
 # - Find LevelDB
 #
-# LEVELDB_INCLUDE - Where to find leveldb/db.h
-# LEVELDB_LIBS - List of libraries when using LevelDB.
+# LEVELDB_INCLUDE_DIR - Where to find leveldb/db.h
+# LEVELDB_LIBRARIES - List of libraries when using LevelDB.
 # LEVELDB_FOUND - True if LevelDB found.
 
-get_filename_component(module_file_path ${CMAKE_CURRENT_LIST_FILE} PATH)
+find_path(LEVELDB_INCLUDE_DIR leveldb/db.h
+  HINTS $ENV{LEVELDB_ROOT}/include
+  DOC "Path in which the file leveldb/db.h is located." )
 
-# Look for the header file.
-find_path(LEVELDB_INCLUDE NAMES leveldb/db.h PATHS $ENV{LEVELDB_ROOT}/include /opt/local/include /usr/local/include /usr/include DOC "Path in which the file leveldb/db.h is located." )
-mark_as_advanced(LEVELDB_INCLUDE)
+find_library(LEVELDB_LIBRARIES leveldb
+  HINTS $ENV{LEVELDB_ROOT}/lib
+  DOC "Path to leveldb library." )
 
-# Look for the library.
-# Does this work on UNIX systems? (LINUX)
-find_library(LEVELDB_LIBS NAMES leveldb PATHS /usr/lib $ENV{LEVELDB_ROOT}/lib DOC "Path to leveldb library." )
-mark_as_advanced(LEVELDB_LIBS)
+mark_as_advanced(LEVELDB_INCLUDE_DIR LEVELDB_LIBRARIES)
 
-# Copy the results to the output variables.
-if (LEVELDB_INCLUDE AND LEVELDB_LIBS)
-  message(STATUS "Found leveldb in ${LEVELDB_INCLUDE} ${LEVELDB_LIBS}")
-  set(LEVELDB_FOUND 1)
-  include(CheckCXXSourceCompiles)
-  set(CMAKE_REQUIRED_LIBRARY ${LEVELDB_LIBS} pthread)
-  set(CMAKE_REQUIRED_INCLUDES ${LEVELDB_INCLUDE})
- else ()
-   set(LEVELDB_FOUND 0)
- endif ()
-
- # Report the results.
- if (NOT LEVELDB_FOUND)
-   set(LEVELDB_DIR_MESSAGE "LEVELDB was not found. Make sure LEVELDB_LIBS and LEVELDB_INCLUDE are set.")
-   if (LEVELDB_FIND_REQUIRED)
-     message(FATAL_ERROR "${LEVELDB_DIR_MESSAGE}")
-   elseif (NOT LEVELDB_FIND_QUIETLY)
-     message(STATUS "${LEVELDB_DIR_MESSAGE}")
-   endif ()
- endif ()
-
-# handle the QUIETLY and REQUIRED arguments and set GPERFTOOLS_FOUND to TRUE if
-# all listed variables are TRUE
 include(FindPackageHandleStandardArgs)
-find_package_handle_standard_args(leveldb DEFAULT_MSG LEVELDB_LIBS LEVELDB_INCLUDE)
+find_package_handle_standard_args(leveldb DEFAULT_MSG LEVELDB_LIBRARIES LEVELDB_INCLUDE_DIR)
diff --git a/src/kv/CMakeLists.txt b/src/kv/CMakeLists.txt
index 8795ab288d95..9bf86be0edb3 100644
--- a/src/kv/CMakeLists.txt
+++ b/src/kv/CMakeLists.txt
@@ -7,7 +7,7 @@ add_library(kv_objs OBJECT ${kv_srcs})
 add_library(kv STATIC $<TARGET_OBJECTS:kv_objs>)
 target_include_directories(kv_objs PUBLIC ${ROCKSDB_INCLUDE_DIR})
 target_include_directories(kv PUBLIC ${ROCKSDB_INCLUDE_DIR})
-target_link_libraries(kv leveldb rocksdb snappy z)
+target_link_libraries(kv ${LEVELDB_LIBRARIES} rocksdb snappy z)
 
 # rocksdb detects bzlib and lz4 in its Makefile, which forces us to do the same.
 find_package(BZip2 QUIET)
diff --git a/src/osd/CMakeLists.txt b/src/osd/CMakeLists.txt
index 300538671654..c85840b3e787 100644
--- a/src/osd/CMakeLists.txt
+++ b/src/osd/CMakeLists.txt
@@ -33,7 +33,7 @@ add_library(osd STATIC ${osd_srcs}
   $<TARGET_OBJECTS:global_common_objs>
   $<TARGET_OBJECTS:heap_profiler_objs>
   $<TARGET_OBJECTS:common_util_obj>)
-target_link_libraries(osd leveldb ${CMAKE_DL_LIBS} ${ALLOC_LIBS})
+target_link_libraries(osd ${LEVELDB_LIBRARIES} ${CMAKE_DL_LIBS} ${ALLOC_LIBS})
 if(WITH_LTTNG)
   add_dependencies(osd osd-tp)
 endif()