/usr/share/class_loader/cmake/class_loader-extras.cmake is in libclass-loader-dev 0.3.8-1build2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | # hides all symbols of a library
function(class_loader_hide_library_symbols target)
set(version_script "${CMAKE_CURRENT_BINARY_DIR}/class_loader_hide_library_symbols__${target}.script")
file(WRITE "${version_script}"
" {
local:
*;
};"
)
# checks if the linker supports version script
include(TestCXXAcceptsFlag)
check_cxx_accepts_flag("-Wl,--version-script,\"${version_script}\"" LD_ACCEPTS_VERSION_SCRIPT)
if(LD_ACCEPTS_VERSION_SCRIPT)
set_target_properties(${target} PROPERTIES LINK_FLAGS "-Wl,-version-script=\"${version_script}\"")
endif()
endfunction()
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