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cmake: silence GCC-9 warnings from rocksdb

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GCC-9 complains:

rocksdb/db/version_edit.h:86:8: warning: implicitly-declared ‘constexpr
rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)’
is deprecated [-Wdeprecated-copy]
   86 | struct FileMetaData {
      |        ^~~~~~~~~~~~
/var/ssd/ceph/src/rocksdb/db/version_edit.h:55:19: note: because
‘rocksdb::FileDescriptor’ has user-provided ‘rocksdb::FileDescriptor&
rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)’
   55 |   FileDescriptor& operator=(const FileDescriptor& fd) {
      |                   ^~~~~~~~

Signed-off-by: Kefu Chai <kchai@redhat.com>
This commit is contained in:
Kefu Chai 2019-06-12 16:50:14 +08:00
parent 485017a3ef
commit b3cac157f5
1 changed files with 13 additions and 1 deletions
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14
cmake/modules/BuildRocksDB.cmake
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@ -40,7 +40,19 @@ function(build_rocksdb)
list(APPEND rocksdb_CMAKE_ARGS -G${CMAKE_GENERATOR})
CHECK_C_COMPILER_FLAG("-Wno-stringop-truncation" HAS_WARNING_STRINGOP_TRUNCATION)
if(HAS_WARNING_STRINGOP_TRUNCATION)
list(APPEND rocksdb_CMAKE_ARGS -DCMAKE_C_FLAGS="-Wno-stringop-truncation")
list(APPEND rocksdb_CMAKE_ARGS -DCMAKE_C_FLAGS=-Wno-stringop-truncation)
endif()
include(CheckCXXCompilerFlag)
check_cxx_compiler_flag("-Wno-deprecated-copy" HAS_WARNING_DEPRECATED_COPY)
if(HAS_WARNING_DEPRECATED_COPY)
set(rocksdb_CXX_FLAGS -Wno-deprecated-copy)
endif()
check_cxx_compiler_flag("-Wno-pessimizing-move" HAS_WARNING_PESSIMIZING_MOVE)
if(HAS_WARNING_PESSIMIZING_MOVE)
set(rocksdb_CXX_FLAGS "${rocksdb_CXX_FLAGS} -Wno-pessimizing-move")
endif()
if(rocksdb_CXX_FLAGS)
list(APPEND rocksdb_CMAKE_ARGS -DCMAKE_CXX_FLAGS='${rocksdb_CXX_FLAGS}')
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.