Michal Marek <mmarek@xxxxxxx> writes: > On 3.1.2014 18:10, Michal Marek wrote: >> 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@xxxxxxxxxxxxxxx> >>> >>> 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? > > BTW, what is the usecase for CC="gcc -m32"? AFAICS, at least x86 and > powerpc do this for you when building a 32bit kernel. No, without -m32 I get: $ make make[1]: Nothing to be done for `all'. make[1]: Nothing to be done for `relocs'. CHK include/config/kernel.release CHK include/generated/uapi/linux/version.h CHK include/generated/utsrelease.h CC kernel/bounds.s gcc: warning: ‘-mcpu=’ is deprecated; use ‘-mtune=’ or ‘-march=’ instead gcc: warning: ‘-mcpu=’ is deprecated; use ‘-mtune=’ or ‘-march=’ instead kernel/bounds.c:1:0: error: CPU you selected does not support x86-64 instruction set /* ^ kernel/bounds.c:1:0: warning: -mregparm is ignored in 64-bit mode [enabled by default] make[1]: *** [kernel/bounds.s] Error 1 make: *** [prepare0] Error 2 If that's *supposed* to work, then the bug is elsewhere. Cheers, Rusty. -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
