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cmake_minimum_required(VERSION 3.16)
project(direct_extern_access LANGUAGES CXX)
# this is the test found in https://sourceware.org/bugzilla/show_bug.cgi?id=29087
add_library(no_extern_access_lib SHARED lib.cpp)
add_executable(no_extern_access_main main.cpp)
target_compile_options(no_extern_access_lib PRIVATE "-Werror")
target_compile_options(no_extern_access_lib PUBLIC "$<$<CXX_COMPILER_ID:GNU>:-mno-direct-extern-access>")
target_compile_options(no_extern_access_lib PUBLIC "$<$<CXX_COMPILER_ID:Clang>:-fno-direct-access-external-data>")
target_link_libraries(no_extern_access_main no_extern_access_lib)
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