ceph/cmake/modules/BuildRocksDB.cmake
Kefu Chai 6559a85051 cmake: disable FAIL_ON_WARNINGS for rocksdb
otherwise -Werror=implicit-fallthrough will fail the build with GCC-7

Signed-off-by: Kefu Chai <kchai@redhat.com>
2017-12-11 14:09:45 +08:00

97 lines
3.4 KiB
CMake

include(CheckCXXSourceRuns)
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})
list(APPEND ROCKSDB_CMAKE_ARGS -DFAIL_ON_WARNINGS=OFF)
# 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()
function(check_aligned_alloc)
set(SAVE_CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS})
set(CMAKE_REQUIRED_FLAGS "-std=c++11 -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free")
if(LINUX)
set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -D_GNU_SOURCE")
endif()
set(SAVE_CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES})
set(CMAKE_REQUIRED_LIBRARIES ${GPERFTOOLS_TCMALLOC_LIBRARY})
CHECK_CXX_SOURCE_RUNS("
#include <stdlib.h>
int main()
{
#if defined(_ISOC11_SOURCE)
void* buf = aligned_alloc(64, 42);
free(buf);
#endif
}
" HAVE_ALIGNED_ALLOC)
set(CMAKE_REQUIRED_FLAGS ${SAVE_CMAKE_REQUIRED_FLAGS})
set(CMAKE_REQUIRED_LIBRARIES ${SAVE_CMAKE_REQUIRED_LIBRARIES})
if(NOT HAVE_ALIGNED_ALLOC)
message(SEND_ERROR
"Incompatible tcmalloc v${TCMALLOC_VERSION_STRING} and rocksdb "
"v${ROCKSDB_VERSION_STRING}, please install gperf-tools 2.5 (not 2.5.93) "
"or >= 2.6.2, or switch to another allocator using "
"'cmake -DALLOCATOR=libc'.")
endif()
endfunction()
macro(build_rocksdb)
do_build_rocksdb()
add_library(rocksdb STATIC IMPORTED)
add_dependencies(rocksdb rocksdb_ext)
set_property(TARGET rocksdb PROPERTY IMPORTED_LOCATION "${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}")
if(ALLOCATOR MATCHES "tcmalloc(_minimal)?")
# see http://tracker.ceph.com/issues/21422
if(ROCKSDB_VERSION_STRING VERSION_GREATER 5.7 AND
TCMALLOC_VERSION_STRING VERSION_GREATER 2.5 AND
TCMALLOC_VERSION_STRING VERSION_LESS 2.6.2)
check_aligned_alloc()
endif()
endif()
endmacro()