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Warnings: add warnings as errors: 'switch' & 'return-type'

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mj-xmr 2021-03-08 22:19:16 +01:00
parent 0b6bfb1fd8
commit 430b7586f6
1 changed files with 7 additions and 0 deletions
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7
CMakeLists.txt
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@ -744,6 +744,13 @@ else()
add_linker_flag_if_supported(-Wl,--high-entropy-va LD_SECURITY_FLAGS) add_linker_flag_if_supported(-Wl,--high-entropy-va LD_SECURITY_FLAGS)
endif() endif()
# Warnings, that when ignored are so severe, that they can segfault or even UB any application.
# Treat them as errors.
add_c_flag_if_supported( -Werror=switch C_SECURITY_FLAGS)
add_cxx_flag_if_supported(-Werror=switch CXX_SECURITY_FLAGS)
add_c_flag_if_supported( -Werror=return-type C_SECURITY_FLAGS)
add_cxx_flag_if_supported(-Werror=return-type CXX_SECURITY_FLAGS)
message(STATUS "Using C security hardening flags: ${C_SECURITY_FLAGS}") message(STATUS "Using C security hardening flags: ${C_SECURITY_FLAGS}")
message(STATUS "Using C++ security hardening flags: ${CXX_SECURITY_FLAGS}") message(STATUS "Using C++ security hardening flags: ${CXX_SECURITY_FLAGS}")
message(STATUS "Using linker security hardening flags: ${LD_SECURITY_FLAGS}") message(STATUS "Using linker security hardening flags: ${LD_SECURITY_FLAGS}")