Re: configure: error: C preprocessor "/lib/cpp" fails sanity check

[Bob Friesenhahn]

On Sat, 17 Nov 2018, Fabiano Sidler wrote:

> Hi folks!
>
> When trying to configure (binutils and gmp, in that case), I'm getting this:
> === snip ===
> checking how to run the C preprocessor... /lib/cpp
> configure: error: in `/home/luser/Downloads/binutils-2.26.1/libiberty':
> configure: error: C preprocessor "/lib/cpp" fails sanity check
> See `config.log' for more details.
> make[1]: *** [Makefile:7985: configure-libiberty] Error 1
> make[1]: Leaving directory '/home/luser/Downloads/binutils-2.26.1'
> make: *** [Makefile:846: all] Error 2
> === snap ===
>
> However, this works as expected:
>  printf "#include <stdio.h>\n" | /lib/cpp
> It dumps stdio.h and its includes to stdout
>
> What's the issue? Same behavior with binutils and gmp, so I assume autoconf
> of gcc as the location of the problem...

You did not tell us what operating system you are using or what 
compiler is installed.  What is the origin of the compiler which was 
installed?

Does '/lib/cpp --version' or '/lib/cpp -V' produce any useful output?

Bob
--
Bob Friesenhahn
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