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Re: PATCH: Add --with-build-config=bootstrap-asan support
On Sun, Nov 18, 2012 at 7:59 AM, Hans-Peter Nilsson <firstname.lastname@example.org> wrote:
> On Sun, 18 Nov 2012, H.J. Lu wrote:
>> On Sun, Nov 18, 2012 at 7:28 AM, Paolo Bonzini <email@example.com> wrote:
>> > Il 18/11/2012 00:54, H.J. Lu ha scritto:
>> >> +@if gcc-bootstrap
>> >> +ifneq ($(filter bootstrap-asan,$(BUILD_CONFIG)),)
>> >> +LIBASAN_LIBS=-B$$r/prev-$(TARGET_SUBDIR)/libsanitizer/asan/.libs
>> >> +endif
>> >> +@endif gcc-bootstrap
>> > Do you need this to be here? POSTSTAGE1_*_EXPORT is only used when
>> > bootstrapping, and they are defined with "=" so the definition could be
>> > placed (or so it seems at first look) in bootstrap-asan.mk.
>> It works. I will post a new patch to include a workaround for
> Nice, but I agree with the other poster that this'd IMHO be
> better as --enable-checking=asan (or actually,
ASAN isn't a checking feature enabled in GCC source
without any compiler requirements. It is a compiler
feature, similar to LTO. For example, you can't enable
ASAN in stage 1 since stage 1 compiler may not support
ASAN. I believe --with-build-config=bootstrap-asan
is the best fit.