GCC 6.0 and x86_64 with Fedora 22: [xg++] Error 1.

[Manfred Schwarb]

Am 02.11.2015 um 13:55 schrieb Jorge D'Elia:
> Hi folks,
>
> I'm trying to build the experimental version gcc-6.0-20151101
> on a x86_64 machine (i7-3930K, 3.20GHz) with Fedora 22, i.e.:
>
> Linux version 4.2.3-200.fc22.x86_64
> (mockbuild@bkernel01.phx2.fedoraproject.org)
> (gcc version 5.1.1 20150618 (Red Hat 5.1.1-4)
> (LE)) # 1 SMP Thu 8 October 03: 2015 23:55 UTC.
>
> but, at the make phase, fails with the error message:
>
> gcc.o gcc-main.o ggc-none.o cp/g++spec.o driver-i386.o  \
>    libcommon-target.a libcommon.a ../libcpp/libcpp.a \
>    ../libbacktrace/.libs/libbacktrace.a \
>    ../libiberty/libiberty.a ../libdecnumber/libdecnumber.a
> g++: fatal error: unknown spec function 'gt'
> compilation terminated.
> ../../gcc/cp/Make-lang.in:59: recipe for target 'xg++' failed
> make[3]: *** [xg++] Error 1
> make[3]: Leaving directory '/home/bigpack/gcc-paq/sources/gcc-6.0-20151101/BUILD/gcc'
> Makefile:4384: recipe for target 'all-stage1-gcc' failed
> make[2]: *** [all-stage1-gcc] Error 2
> make[2]: Leaving directory '/home/bigpack/gcc-paq/sources/gcc-6.0-20151101/BUILD'
> Makefile:25626: recipe for target 'stage1-bubble' failed
> make[1]: *** [stage1-bubble] Error 2
> make[1]: Leaving directory '/home/bigpack/gcc-paq/sources/gcc-6.0-20151101/BUILD'
> Makefile:916: recipe for target 'all' failed
> make: *** [all] Error 2
>
> With regards to binutils, glibc, etc., I used
>
> dnf groupinstall 'C Development Tools and Libraries'
> dnf groupinstall 'development-tools'
> dnf install gcc*
> dnf install binutils* glibc*
> dnf install mpfr* libmpc* gmp*
> dnf install isl* cloog* compat-gcc*
> dnf install libtool* libstdc++*
> dnf install kernel* texinfo* llvm*
> dnf distro-sync
>
> among others packages. With regard to GMP, MPFR and MPC packages,
> I tried both those provided by the OS, as those obtained through
> ./contrib/download_prerequisites. I've also tried to make minimal
> installations (e.g. only the C language, without multilib, etc.),
> but always with the same error message. See attached file with
> some logs. Please, any clue to solve it?
>
> BTW, on the other side, are there broken links in the phrase:
> "Download from gfortran.com (README, nightly builds, 4.3 to 4.9 snapshots)"
> in https://gcc.gnu.org/wiki/GFortranBinaries
> ?

Bud Davis did a provider migration for the gfortran.com/.org site
and got stuck half way.
It's unclear for me ATM how things will be evolving...

Manfred


>
> Thanks in advance.
> Jorge.
>