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CMakeLists.txt: check for atomic library #765

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CMakeLists.txt: check for atomic library #765

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4 changes: 4 additions & 0 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,7 @@ include(CheckIncludeFile)
check_include_file("unistd.h" HAVE_UNISTD_H)

include(CheckLibraryExists)
check_library_exists(atomic __atomic_fetch_add_4 "" HAVE_ATOMIC)
check_library_exists(crc32c crc32c_value "" HAVE_CRC32C)
check_library_exists(snappy snappy_compress "" HAVE_SNAPPY)
check_library_exists(tcmalloc malloc "" HAVE_TCMALLOC)
Expand Down Expand Up @@ -270,6 +271,9 @@ if(HAVE_CLANG_THREAD_SAFETY)
-Werror -Wthread-safety)
endif(HAVE_CLANG_THREAD_SAFETY)

if(HAVE_ATOMIC)
target_link_libraries(leveldb atomic)
endif(HAVE_ATOMIC)
if(HAVE_CRC32C)
target_link_libraries(leveldb crc32c)
endif(HAVE_CRC32C)
Expand Down