Errors in compiling gcc4.8.5 using gcc8.1.1

[Jonathan Wakely]

On Thu, 27 Sep 2018 at 14:39, C.J. <biocjh@gmail.com> wrote:
>
> Dear specialists,
>
> I tried to compile gcc 4.8.5 using gcc 8.1.1.
> First I added some lines to gcc-4.8.5/gcc/cp/cfns.{gperf,h} as somewhere
> suggests.
>    19 #ifdef __GNUC__
>    20 __inline
>    21 #endif
>    22 static unsigned int hash (const char *, unsigned int);
>    23 #ifdef __GNUC__
>    24 __inline
>    25 #ifdef __GNUC_STDC_INLINE__
>    26 __attribute__ ((__gnu_inline__))
>    27 #endif
>    28 #endif
>    29 const char * libc_name_p (const char *, unsigned int);
>
> Then I run "./configure --prefix=/home/rx/program/gcc-4.8.5/build
> --with-gmp=/home/rx/program/gmp-6.1.0
> --with-mpfr=/home/rx/program/mpfr-3.1.4 --disable-multilib
> --enable-languages=c,c++,fortran --disable-stage1-checking"
> But, there are still some errors as below.
>
> Fixed:  X11/Xw32defs.h
> Applying io_quotes_use            to sys/mount.h
> Applying io_quotes_use            to sys/raw.h
> Cleaning up unneeded directories:
> fixincludes is done
> echo timestamp > stmp-fixinc
> make[3]: Leaving directory
> '/home/rx/program/gcc-4.8.5/host-x86_64-unknown-linux-gnu/gcc'
> make[2]: *** [Makefile:4157: all-stage1-gcc] Error 2
> make[2]: Leaving directory '/home/rx/program/gcc-4.8.5'
> make[1]: *** [Makefile:19785: stage1-bubble] Error 2
> make[1]: Leaving directory '/home/rx/program/gcc-4.8.5'
> make: *** [Makefile:886: all] Error 2

This is not the error, this is the end of the output that happens
after the error. We can't tell what's wrong from this.