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SubjectRe: [PATCH] scripts/gcc-version.sh: handle CC="gcc -m32"
On 2013-12-10 08:13, Rusty Russell wrote:
> Without it we get ugly warnings (though build still succeeds).
>
> $ make -j8 CC="gcc -m32"
> In file included from <command-line>:0:0:
> /usr/include/stdc-predef.h:30:26: fatal error: bits/predefs.h: No such file or directory
> #include <bits/predefs.h>
> ^
> compilation terminated.
> In file included from <command-line>:0:0:
> /usr/include/stdc-predef.h:30:26: fatal error: bits/predefs.h: No such file or directory
> #include <bits/predefs.h>
> ^
> compilation terminated.
> /home/rusty/devel/kernel/linux/scripts/gcc-version.sh: line 31: printf: #: invalid number
> /home/rusty/devel/kernel/linux/scripts/gcc-version.sh: line 31: printf: #: invalid number
> /bin/sh: 1: [: 0001: unexpected operator
> CHK include/config/kernel.release
> CHK include/generated/uapi/linux/version.h
> make[1]: Nothing to be done for `all'.
> ...
>
> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
>
> diff --git a/scripts/gcc-version.sh b/scripts/gcc-version.sh
> index 7f2126df91f2..d48b0cbaf246 100644
> --- a/scripts/gcc-version.sh
> +++ b/scripts/gcc-version.sh
> @@ -14,7 +14,7 @@ if [ "$1" = "-p" ] ; then
> shift;
> fi
>
> -compiler="$*"
> +compiler="$1"

But this will break things like CC="ccache gcc". Your problem is that
you do not have the 32bit glibc headers, right? How about invoking the
compiler with $NOSTDINC_FLAGS, so that it does not depend on any
userspace stuff?

Thanks,
Michal


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