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In DEBUG mode, make toxcore crash on signed integer overflow.

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Signed overflow is undefined behaviour, so in debug mode, we want to make
it fail in a noisy way.
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iphydf 2018-06-08 23:48:40 +00:00
parent 8a4a5c2aa2
commit cf9caa069a
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1 changed files with 2 additions and 0 deletions
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CMakeLists.txt
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@ -115,6 +115,8 @@ if(NOT MSVC)
# Allows wine to display source code file names and line numbers on crash in its backtrace # Allows wine to display source code file names and line numbers on crash in its backtrace
add_flag("-gdwarf-2") add_flag("-gdwarf-2")
endif() endif()
# Crash on signed integer overflow.
add_flag("-ftrapv")
endif() endif()
option(WARNINGS "Enable additional compiler warnings" ON) option(WARNINGS "Enable additional compiler warnings" ON)