Re: [gentoo-user] updating netbook : "C Compiler can't create executables" : solved

[Philip Webb]

150126 Bill Kenworthy wrote:
> On 26/01/15 13:01, Philip Webb wrote:
>> Having restored X & proceeding to work thro' pkgs, I emerged
>>  reiserfsprogs lsof kbd tar baselayout libutempter autoconf-wrapper
>>  bin86 push coreutils gmp .  Trying the next set of pkgs,
>> I got the dreaded "C compiler cannot create executables".
>> I suspect some effect from  baselayout  or  coreutils.  Gcc is 4.8.3 .
> rattus ~ # gcc-config -l
>  [1] x86_64-pc-linux-gnu-4.8.3 *
> rattus ~ # gcc-config 1
>  * Switching native-compiler to x86_64-pc-linux-gnu-4.8.3 ...

I had already done that & it shouldn't give that error.

> you may need to run fix_libtool_files.sh ,
> if there was a gcc switch in the past.

I tried that & it found nothing.  I also tried restoring from binary
 coreutils baselayout kbd  (all system, so rescue pkgs available).
Then I noticed "specific snippet: econf failed" & tried Google again,
which showed me  https://forums.gentoo.org/viewtopic-t-932946-start-O.html .

The problem was the obscure & non-system  gmp , one of Gcc's requirements :
Gcc 4.8.3 had been recompiled vs the earlier version of Gmp
& couldn't find  /usr/lib/libgmp.so.3 ; the temporary solution is
'ln -s /usr/lib/libgmp.so.10.1.3 /usr/lib/libgmp.so.3', which pleases Gcc,
which is now recompiling itself (estimate  3 h 30 m ), after wh all sb well.
To be on the safe side, I first updated  zip mpc mpfr texinfo flex ,
which are also requirements of Gcc & have newer versions.

Thanks for advice, even if it was off-target this time (smile).

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