On Tue, 16 Mar 2021 22:29:39 +0900
Takayuki Nagata <tnag...@redhat.com> wrote:
> Hi Billa,
>
> I am not sure if compressed instruction support can be disabled, but
> it appears to me that --with-arch= should be rv32gc or rv64gc for
> multilib. It is implemented in the gcc/config.gcc file.
>
> Florian mentioned that there is no glibc without compressed
> instruction support. Perhaps, gcc port might also have any constraints
> with regard to that.
also such toolchain configuration related questions should be directed
to the respective upstreams (gcc, glibc), Fedora is only a consumer here
Dan
>
> Regards,
> Takayuki Nagata
>
> 2021年3月16日(火) 19:26 Billa Surendra <billa.iitmad...@gmail.com>:
>
>
>
> >
> > Dear all,
> >
> > From last 10 days I am struggling to rebuilding gcc-10.2.1-9.fc33.src.rpm
> > SRPM on RISC-V Fedora image. Here I am planning to rebuilt this SRPM
> > without compressed instruction support. Following changed I have done on
> > gcc.spec file.
> >
> > %ifarch riscv64
> > --with-arch=rv64g --with-abi=lp64
> > %endif
> >
> > Even by changing above two flags for different options. still i am not able
> > to rebuilt it. Here I am listing all combinations and error result what I
> > have tried for rebuilding gcc SRPM.
> >
> > 1. %ifarch riscv64
> > --with-arch=rv64g --with-multilib
> >
> >
> > Result: #error "rv32i-based targets are not supported"
> >
> >
> > 2. %ifarch riscv64
> > --with-arch=rv64imafd --enable-multilib --with-multilib-list=lp64
> >
> >
> > Result:
> >
> > unsupported --with-arch for --with-multilib-list
> > make[2]: *** [Makefile:4441: configure-stage1-gcc] Error 1
> > make[2]: Leaving directory
> > '/root/rpmbuild/BUILD/gcc-10.2.1-20201125/obj-riscv64-redhat-linux'
> >
> >
> > 3. %ifarch riscv64
> > --with-arch=rv64imafd --enable-multilib --with-multilib-list=lp64d
> >
> > Result:
> >
> > unsupported --with-arch for --with-multilib-list
> > make[2]: *** [Makefile:4441: configure-stage1-gcc] Error 1
> > make[2]: Leaving directory
> > '/root/rpmbuild/BUILD/gcc-10.2.1-20201125/obj-riscv64-redhat-linux'
> >
> >
> > 4. %ifarch riscv64
> > --with-arch=rv64g --with-abi=lp64d --with-multilib-list=lp64d
> >
> > Result:
> >
> > unsupported --with-arch for --with-multilib-list
> > make[2]: *** [Makefile:4441: configure-stage1-gcc] Error 1
> >
> >
> > 5. %ifarch riscv64
> > --with-arch=rv64g --with-abi=lp64 --with-multilib-list=lp64
> >
> >
> > Result: unsupported --with-arch for --with-multilib-list
> >
> >
> > 6. %ifarch riscv64
> > --with-arch=rv64g --enable-multilib
> >
> > Result: #error "rv32i-based targets are not supported"
> >
> >
> > 7. %ifarch riscv64
> > --with-arch=rv64g --with-abi=lp64
> >
> > Result: #error "rv32i-based targets are not supported"
> >
> >
> > 8. %ifarch riscv64
> > --with-arch=rv64g --with-multilib-generator="rv64ima-lp64--f"
> >
> > Result: #error "rv32i-based targets are not supported"
> >
> >
> > 9. %ifarch riscv64
> > --with-arch=rv64g --with-abi=lp64
> > --with-multilib-generator="rv64ima-lp64--f"
> >
> > Result: error: #error "rv32i-based targets are not supported"
> >
> >
> > 10. %ifarch riscv64
> > --with-arch=rv64g --enable-multilib
> > --with-multilib-generator="rv64ima-lp64--f"
> >
> >
> > Result: #error "rv32i-based targets are not supported"
> >
> >
> > Here very important observation I have noted. when I am giving below option
> >
> > %ifarch riscv64
> > --with-arch=rv64g --disable-multilib
> >
> > Here all library packages are going to /usr/lib folder path, but in-between
> > rebuilding process move commands are there, that are trying to move files
> > from /usr/lib64 path. But no file is there in /usr/lib64 path. all falied
> > move commads files are there in /usr/lib path.
> >
> >
> >
> > Can anyone please spend some time on this issue and help me out for
> > successfull rebulding gcc SRPM. Please suggest perfect combination for
> > sucessfull rebuilding. I hope someone faced same problem before i think,
> > thier expreince will heplfull for me.
> >
> > Thanks
> > Billa Surendra
> >
> >
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