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Allow various sanitisation options to be enabled for debug/test purposes. #112

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Allow various sanitisation options to be enabled for debug/test purposes. #112

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17 changes: 17 additions & 0 deletions configure.ac
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Original file line number Diff line number Diff line change
Expand Up @@ -62,6 +62,23 @@ case "$host" in
*) ;;
esac

AC_MSG_CHECKING([whether debug instrumentation options are to be enabled])
AC_ARG_ENABLE(instrumentation,
[ --enable-instrumentation
enable various instrumentation options for debugging],
[instrumentation=no; if test "x$enableval" = "xyes"; then instrumentation=$enableval; fi],
[instrumentation=no])
AC_MSG_RESULT([$instrumentation])
if test "$instrumentation" = "yes"; then
AX_CHECK_COMPILE_FLAG([-fsanitize=bounds-strict], [CFLAGS="$CFLAGS -fsanitize=bounds-strict"],
[AX_CHECK_COMPILE_FLAG([-fsanitize=bounds], [CFLAGS="$CFLAGS -fsanitize=bounds"])])
AX_CHECK_COMPILE_FLAG([-fsanitize=alignment], [CFLAGS="$CFLAGS -fsanitize=alignment"])
AX_CHECK_COMPILE_FLAG([-fsanitize=bool], [CFLAGS="$CFLAGS -fsanitize=bool"])
AX_CHECK_COMPILE_FLAG([-fsanitize=enum], [CFLAGS="$CFLAGS -fsanitize=enum"])
AX_CHECK_COMPILE_FLAG([-fsanitize=nonnull-attribute], [CFLAGS="$CFLAGS -fsanitize=nonnull-attribute"])
AX_CHECK_COMPILE_FLAG([-fsanitize=returns-nonnull-attribute], [CFLAGS="$CFLAGS -fsanitize=returns-nonnull-attribute"])
fi

search_libs="$search_libs m"

# Checks for libraries.
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