[OE-core] [PATCH 2/4 V2] Share gcc work directories

[Robert Yang]

On 06/15/2011 05:21 PM, Richard Purdie wrote:
> Hi Robert,
>
> This is looking good, just one further problem:
>
> On Wed, 2011-06-15 at 14:33 +0800, Robert Yang wrote:
>>     * The configure option --with-build-sysroot=${STAGING_DIR_TARGET} can
>>       replace the sed command.
>
> Sadly I'm not sure it can.
>
>>
>>   EXTRA_OECONF = "${@['--enable-clocale=generic', ''][bb.data.getVar('USE_NLS', d, 1) != 'no']} \
>>                   --with-gnu-ld \
>> +                --with-build-sysroot=${STAGING_DIR_TARGET} \
>>                   --enable-shared \
>>                   --enable-languages=${LANGUAGES} \
>>                   --enable-threads=posix \
>> @@ -88,25 +89,20 @@ do_configure () {
>>   	(cd ${S}&&  gnu-configize) || die "failure running gnu-configize"
>>   	
>>   	# teach gcc to find correct target includedir when checking libc ssp support
>> -	sed -i 's:^\([ 	]*\)glibc_header_dir=\"${with_build_sysroot}/usr/include\":\1glibc_header_dir=\"${with_build_sysroot}${SYSTEMHEADERS}\":g' ${S}/gcc/configure.ac
>> -	sed -i 's:^\([ 	]*\)glibc_header_dir=\"${with_build_sysroot}/usr/include\":\1glibc_header_dir=\"${with_build_sysroot}${SYSTEMHEADERS}\":g' ${S}/gcc/configure
>
> Here, a hardcoded "/usr/include" in the gcc makefiles is being replaced
> by ${SYSTEMHEADERS} which could be /some/other/path/include. These two
> are therefore not equivalent. Did you try a "bitbake meta-toolchain"
> with this patch series?
>

I'm sorry, because the "bitbake meta-toolchain" didn't work recently(without
these patches), I forgot to build it(just built gcc-cross and gcc-crosssdk),
I will go on working on it and send the V3 later.

Thanks

// Robert

> I suspect configure needs to use ${includedir} to build this path
> instead of hardcoding it.
>
> Cheers,
>
> Richard
>
>
>
>
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