diff options
| author | Kefu Chai <kchai@redhat.com> | 2017-10-26 12:26:24 +0200 |
|---|---|---|
| committer | Kefu Chai <kchai@redhat.com> | 2017-10-27 05:13:15 +0200 |
| commit | 16f0a67d83e0254fc1db6b985cb028de14d8e80d (patch) | |
| tree | 001293ea1c7ad4f1d959690c0c29cc6ce8359b25 /cmake/modules/BuildRocksDB.cmake | |
| parent | Merge pull request #18524 from liewegas/wip-backfill-rops (diff) | |
| download | ceph-16f0a67d83e0254fc1db6b985cb028de14d8e80d.tar.xz ceph-16f0a67d83e0254fc1db6b985cb028de14d8e80d.zip | |
cmake: check for aligned_alloc()
in case developer is using patched tcmalloc.
Signed-off-by: Kefu Chai <kchai@redhat.com>
Diffstat (limited to 'cmake/modules/BuildRocksDB.cmake')
| -rw-r--r-- | cmake/modules/BuildRocksDB.cmake | 39 |
1 files changed, 34 insertions, 5 deletions
diff --git a/cmake/modules/BuildRocksDB.cmake b/cmake/modules/BuildRocksDB.cmake index 108db6b6da8..da6e18d04e0 100644 --- a/cmake/modules/BuildRocksDB.cmake +++ b/cmake/modules/BuildRocksDB.cmake @@ -1,3 +1,5 @@ +include(CheckCXXSourceCompiles) + function(do_build_rocksdb) set(ROCKSDB_CMAKE_ARGS -DCMAKE_POSITION_INDEPENDENT_CODE=ON) @@ -38,6 +40,37 @@ function(do_build_rocksdb) ALWAYS 1) endfunction() +function(check_aligned_alloc) + set(SAVE_CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS}) + set(CMAKE_REQUIRED_FLAGS "-std=c++11 -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free -nostdlib") + if(LINUX) + set(CMAKE_REQUIRED_FLAGS "${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_COMPILES(" +#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${ROCKSDB_VERSION_STRING}, please install gperf-tools 2.5 (not 2.5.93) " + "or >= 2.6.2, or switch to another allocator using " + "'cmake -DALLOCATOR=libc'.") + endif() +endfunction() + macro(build_rocksdb) do_build_rocksdb() add_library(rocksdb STATIC IMPORTED) @@ -60,11 +93,7 @@ macro(build_rocksdb) if(ROCKSDB_VERSION_STRING VERSION_GREATER 5.7 AND TCMALLOC_VERSION_STRING VERSION_GREATER 2.5 AND TCMALLOC_VERSION_STRING VERSION_LESS 2.6.2) - message(SEND_ERROR - "Incompatible tcmalloc v${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'.") + check_aligned_alloc() endif() endif() endmacro() |