Re: Build failure with gcc 4.7.2

Please let me correct myself:

Gentoo Prefix Bootstrap is trying to compile bison 3.7 with gcc 4.4.7


On Sun, Aug 2, 2020 at 11:17 PM Maoyin Sun <[email protected]> wrote:

> Hi there,
>
> I am trying to bootstrap Gentoo Prefix on a very old RHDL machine with gcc
> 4.7.2. When compiling bison 3.7, it yields:
>
> ```
> src/parse-simulation.c:64: error: redefinition of typedef 'parse_state'
> src/parse-simulation.h:74: note: previous declaration of 'parse_state' was
> here
> ```
>
> The related compile command is:
>
> ```
> gcc -std=gnu99 -DEXEEXT=\"\"   -I. -I./lib -I. -I./lib
> -DINSTALLDIR=\"/opt/risk/tmp/xz4a0b2/gentoo/tmp/usr/bin\"
> -I/opt/risk/tmp/xz4a0b2/gentoo/tmp/usr/include -O2 -pipe -O2 -pipe -c -o
> src/bison-parse-simulation.o `test -f 'src/parse-simulation.c' || echo
> './'`src/parse-simulation.c
> ```
>
> The same time I am looking into why Gentoo Prefix does not build a proper
> version of gcc before this. But I also checked the build log and it has
> detected that only C++98 is supported, which does not allow redefinition of
> `typedef`. So I believe that either the configure script should fail, or
> the `typedef` redefinition should not be used.
>
> I might be wrong so please tell whether I am operating falsely or this is
> a bug.
>
> Best regards,
> Maoyin
>
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>
> So. 2. Aug. 2020 23:17:28 CEST (UTC+2)
>