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15 lines
683 B
CMake
15 lines
683 B
CMake
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cmake_minimum_required(VERSION 3.16)
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project(direct_extern_access LANGUAGES CXX)
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# this is the test found in https://sourceware.org/bugzilla/show_bug.cgi?id=29087
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# and https://sourceware.org/bugzilla/show_bug.cgi?id=29377
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add_library(no_extern_access_lib SHARED lib.cpp)
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add_executable(no_extern_access_main other.cpp main.cpp)
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target_compile_options(no_extern_access_lib PRIVATE "-Werror")
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target_compile_options(no_extern_access_lib PUBLIC "$<$<CXX_COMPILER_ID:GNU>:-mno-direct-extern-access>")
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target_compile_options(no_extern_access_lib PUBLIC "$<$<CXX_COMPILER_ID:Clang>:-fno-direct-access-external-data>")
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target_link_libraries(no_extern_access_main no_extern_access_lib)
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