[U-Boot] (no subject)

[Tom Rini]

On Sun, Jun 30, 2019 at 06:31:10PM +0800, Bin Meng wrote:
> On Sun, Jun 30, 2019 at 10:07 AM Thomas Chou <thomas at wytron.com.tw> wrote:
> >
> >
> > Add gcc-8.1.0 support to buildman toolchain.
> >
> > The old gcc-7.3.0 has shared libraries issues on Ubuntu 18.04LTS and
> > 19.04.
> >
> > Though both 7.3.0 and 8.1.0 have arc and nds32 compilers, the following
> > errors were generated on Ubuntu 19.04.
> >
> >        arc:  +   iot_devkit
> > +arc-linux-ld.bfd: error: examples/standalone/hello_world: unable to merge CPU base attributes ARC7xx with ARCEM.
> > +
> > +arc-linux-ld.bfd: failed to merge target specific data of file /home/thomas/.buildman-toolchains/gcc-8.1.0-nolibc/arc-linux/bin/../lib/gcc/arc-linux/8.1.0/libgcc.a(_millicodethunk_st.o)
> > +arc-linux-ld.bfd: failed to merge target specific data of file /home/thomas/.buildman-toolchains/gcc-8.1.0-nolibc/arc-linux/bin/../lib/gcc/arc-linux/8.1.0/libgcc.a(_millicodethunk_ret.o)
> > +make[3]: *** [examples/standalone/Makefile:62: examples/standalone/hello_world] Error 1
> > +make[2]: *** [scripts/Makefile.build:432: examples/standalone] Error 2
> > +make[1]: *** [Makefile:1594: examples] Error 2
> > +make: *** [Makefile:148: sub-make] Error 2
> >
> >
> >      nds32:  +   adp-ae3xx
> > +nds32le-elf-gcc: error: unrecognized command line option '-mno-ext-fpu-dp'
> > +nds32le-elf-gcc: error: unrecognized command line option '-mfloat-abi=soft'
> > +make[2]: *** [scripts/Makefile.autoconf:77: u-boot.cfg] Error 1
> > +make[1]: *** No rule to make target 'include/config/auto.conf', needed by 'include/config/uboot.release'.  Stop.
> > +make: *** [Makefile:148: sub-make] Error 2
> >
> >      nds32:  +   adp-ag101p
> > +nds32le-elf-gcc: error: unrecognized command line option '-mno-ext-fpu-dp'
> > +nds32le-elf-gcc: error: unrecognized command line option '-mfloat-abi=soft'
> > +make[2]: *** [scripts/Makefile.autoconf:77: u-boot.cfg] Error 1
> > +make[1]: *** No rule to make target 'include/config/auto.conf', needed by 'include/config/uboot.release'.  Stop.
> > +make: *** [Makefile:148: sub-make] Error 2
> >
> >        x86:  +   efi-x86_app
> > +{standard input}: Assembler messages:
> > +{standard input}:21695: Error: junk at end of line, first unrecognized character is `@'
> > +{standard input}:21740: Error: junk at end of line, first unrecognized character is `@'
> > +{standard input}:21695: Error: can't resolve `end.7382' {.u_boot_list_2_fit_loadable_3 section} - `start.7379' {.u_boot_list_2_fit_loadable_1 section}
> > +{standard input}:21740: Error: can't resolve `end.7382' {.u_boot_list_2_fit_loadable_3 section} - `start.7379' {.u_boot_list_2_fit_loadable_1 section}
> > +make[2]: *** [scripts/Makefile.build:279: common/image.o] Error 1
> > +make[1]: *** [Makefile:1594: common] Error 2
> > +make: *** [Makefile:148: sub-make] Error 2
> 
> For the x86 failure, it is a known regression issue of GCC 8.

Unfortunately the kernel.org gcc-8.1 toolchain just isn't usable for us
due to a number of later-fixed regressions.  We need to use gcc-8.3, I
think, for something that should work again everywhere.  And when I last
looked (mid-May, from my WIP branch) while I could get gcc-8.3 for ARM I
couldn't find one for x86.  The Bootlin toolchains are only 8.2 and
that's not new enough to have the problem Bin notes as a regression
fixed.

-- 
Tom
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