ceph/cmake/modules/BuildRocksDB.cmake

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function(do_build_rocksdb)
set(ROCKSDB_CMAKE_ARGS -DCMAKE_POSITION_INDEPENDENT_CODE=ON)
if(ALLOCATOR STREQUAL "jemalloc")
list(APPEND ROCKSDB_CMAKE_ARGS -DWITH_JEMALLOC=ON)
endif()
if (WITH_CCACHE AND CCACHE_FOUND)
list(APPEND ROCKSDB_CMAKE_ARGS -DCMAKE_CXX_COMPILER=ccache)
list(APPEND ROCKSDB_CMAKE_ARGS -DCMAKE_CXX_COMPILER_ARG1=${CMAKE_CXX_COMPILER})
else()
list(APPEND ROCKSDB_CMAKE_ARGS -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER})
endif()
list(APPEND ROCKSDB_CMAKE_ARGS -DPORTABLE=ON)
list(APPEND ROCKSDB_CMAKE_ARGS -DCMAKE_AR=${CMAKE_AR})
list(APPEND ROCKSDB_CMAKE_ARGS -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE})
if (CMAKE_CXX_COMPILER_ID STREQUAL Clang)
list(APPEND ROCKSDB_CMAKE_ARGS -DFAIL_ON_WARNINGS=OFF)
endif()
# we use an external project and copy the sources to bin directory to ensure
# that object files are built outside of the source tree.
include(ExternalProject)
ExternalProject_Add(rocksdb_ext
SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/rocksdb
CMAKE_ARGS ${ROCKSDB_CMAKE_ARGS}
BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}/rocksdb
BUILD_COMMAND $(MAKE) rocksdb
INSTALL_COMMAND "true")
# force rocksdb make to be called on each time
ExternalProject_Add_Step(rocksdb_ext forcebuild
DEPENDEES configure
DEPENDERS build
COMMAND "true"
ALWAYS 1)
endfunction()
macro(build_rocksdb)
do_build_rocksdb()
add_library(rocksdb STATIC IMPORTED)
add_dependencies(rocksdb rocksdb_ext)
set_property(TARGET rocksdb PROPERTY IMPORTED_LOCATION "${CMAKE_CURRENT_BINARY_DIR}/rocksdb/librocksdb.a")
set(ROCKSDB_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/rocksdb/include)
set(ROCKSDB_LIBRARIES rocksdb)
foreach(ver "MAJOR" "MINOR" "PATCH")
file(STRINGS "${ROCKSDB_INCLUDE_DIR}/rocksdb/version.h" ROCKSDB_VER_${ver}_LINE
REGEX "^#define[ \t]+ROCKSDB_${ver}[ \t]+[0-9]+$")
string(REGEX REPLACE "^#define[ \t]+ROCKSDB_${ver}[ \t]+([0-9]+)$"
"\\1" ROCKSDB_VERSION_${ver} "${ROCKSDB_VER_${ver}_LINE}")
unset(ROCKDB_VER_${ver}_LINE)
endforeach()
set(ROCKSDB_VERSION_STRING
"${ROCKSDB_VERSION_MAJOR}.${ROCKSDB_VERSION_MINOR}.${ROCKSDB_VERSION_PATCH}")
endmacro()