do you override this file? https://sources.debian.net/src/cmake/3.5.1-1/Modules/Platform/Linux.cmake/
in particular this variable set(CMAKE_SHARED_LIBRARY_SONAME_C_FLAG "-Wl,-soname,")
do you override this file? /sources. debian. net/src/ cmake/3. 5.1-1/Modules/ Platform/ Linux.cmake/
https:/
in particular this variable set(CMAKE_ SHARED_ LIBRARY_ SONAME_ C_FLAG "-Wl,-soname,")