comparison configure @ 1754:076aca59192f

Use undefined behaviour sanitiser in debug mode

 CXXFLAGS_RELEASE="$AUTOCONF_CXXFLAGS"
 CXXFLAGS_MINIMAL="$AUTOCONF_CXXFLAGS"
 
 if test "x$GCC" = "xyes"; then
    	CXXFLAGS_ANY="-std=c++11 -fpic -Wall -Wextra -Woverloaded-virtual -Wformat-nonliteral -Wformat-security -Winit-self -Wswitch-enum -Wconversion -pipe"
-        CXXFLAGS_DEBUG="$CXXFLAGS_ANY -g -Werror"
+        CXXFLAGS_DEBUG="$CXXFLAGS_ANY -g -Werror -fsanitize=undefined"
    	CXXFLAGS_RELEASE="$CXXFLAGS_ANY -g0 -O3 -ffast-math"
    	CXXFLAGS_MINIMAL="$CXXFLAGS_ANY -g0 -O0"
+        LIBS_DEBUG="$LIBS -lubsan"
 fi
 
 CXXFLAGS_BUILD="$CXXFLAGS_RELEASE"
 SV_DEFINES_BUILD="$SV_DEFINES_RELEASE"
 

 if test "${enable_debug+set}" = set; then :
   enableval=$enable_debug; { $as_echo "$as_me:${as_lineno-$LINENO}: enabling debug build" >&5
 $as_echo "$as_me: enabling debug build" >&6;}
 QMAKE_CONFIG="debug"
 CXXFLAGS_BUILD="$CXXFLAGS_DEBUG"
+LIBS="$LIBS_DEBUG"
 SV_DEFINES_BUILD="$SV_DEFINES_DEBUG"
 fi
 
 
 if test x"$USER_CXXFLAGS" != x; then