Re: Bootstrapping is currently broken

[Richard Biener <richard dot guenther at gmail dot com>]

On Mon, Mar 7, 2016 at 3:12 PM, Dominik Vogt <vogt@linux.vnet.ibm.com> wrote:
> On Mon, Mar 07, 2016 at 03:00:03PM +0100, Richard Biener wrote:
>> On Mon, Mar 7, 2016 at 2:12 PM, Dominik Vogt <vogt@linux.vnet.ibm.com> wrote:
>> > A recent patch has broken bootstrapping (s390x) in stage3.  The
>> > failure creeped into trunk between friday and today:
>> >
>> > -- snip --
>> > g++ -std=gnu++98   -g -O2 -DIN_GCC     -fno-exceptions -fno-rtti -fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wmissing-format-attribute -Woverloaded-virtual -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -Werror   -DHAVE_CONFIG_H -DGENERATOR_FILE -fno-PIE  -no-pie -o build/gencondmd \
>> >     build/gencondmd.o .././libiberty/libiberty.a
>> > g++: error: unrecognized command line option â-no-pieâ
>> > -- snip --
>> >
>> > (The compiler in PATH is "gcc (GCC) 4.8.5 20150623 (Red Hat
>> > 4.8.5-1)").
>>
>> Bootstrap should use the built compiler from stage2 in stage3, not
>> sure how you get the system compiler used there.
>
> I guess some configure script failed to notice that g++ is not
> being built, and a recent change introduced an option that the
> installed compiler doesn't have?  Probably configure should throw
> an error if bootstrapping is enabled but the c++ language is not
> enabled?

It is always enabled, are you sure it's not a pilot error?

Richard.

> Ciao
>
> Dominik ^_^  ^_^
>
> --
>
> Dominik Vogt
> IBM Germany
>