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Enable GCC options to detect undefined behaviour

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GCC has an Undefined Behavior Sanitizer (ubsan), which enables run-time
checks of undefined behaviour. It has been enabled for the `develop`
build target.

A small bug detected with it has been fixed.

Signed-off-by: Antonio Niño Díaz <antonio_nd@outlook.com>
This commit is contained in:
Antonio Niño Díaz
2018-04-28 00:57:20 +01:00
parent 24d7cfe0f9
commit 6fe2741f2d
2 changed files with 12 additions and 7 deletions
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7
Makefile
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@@ -207,7 +207,12 @@ develop:
-Wstringop-overflow=4 -Walloc-zero -Wduplicated-cond \
-Wfloat-equal -Wshadow -Wcast-qual -Wcast-align -Wlogical-op \
-Wnested-externs -Wno-aggressive-loop-optimizations -Winline \
-Wundef -Wstrict-prototypes -Wold-style-definition"
-Wundef -Wstrict-prototypes -Wold-style-definition \
-fsanitize=shift -fsanitize=integer-divide-by-zero \
-fsanitize=unreachable -fsanitize=vla-bound \
-fsanitize=signed-integer-overflow -fsanitize=bounds \
-fsanitize=object-size -fsanitize=bool -fsanitize=enum \
-fsanitize=alignment -fsanitize=null"
# Targets for the project maintainer to easily create Windows exes.
# This is not for Windows users!