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Hide statically linked libstdc++ symbols from the extension #254

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Hide statically linked libstdc++ symbols from the extension #254

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8 changes: 8 additions & 0 deletions ext/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -92,3 +92,11 @@ endif()
if(APPLE)
target_link_libraries(couchbase PRIVATE -Wl,-undefined,dynamic_lookup)
endif()

if(UNIX AND NOT APPLE)
# Keep symbols from statically linked archives (libstdc++/libgcc when
# COUCHBASE_CXX_CLIENT_STATIC_STDLIB is on, BoringSSL, etc.) private to this
# extension. Ruby loads extensions with RTLD_GLOBAL, so exporting them lets a
# second copy of libstdc++ interpose on other C++ extensions in the process.
target_link_options(couchbase PRIVATE "LINKER:--exclude-libs,ALL")
endif()