Re: [PATCH 1/1] autotools.bbclass: using relative paths for acpaths

[Richard Purdie <richard.purdie@linuxfoundation.org>]

On Thu, 2012-09-27 at 16:23 +0800, wenzong.fan@windriver.com wrote:
> From: Wenzong Fan <wenzong.fan@windriver.com>
> 
> Fix autotools.bbclass to use relative paths for acpaths instead of
> absolute ones. Since absolute paths may cause potential autoreconf
> error like:
> 
>     Can't exec "/bin/sh": Argument list too long ...
> 
> This error occurs while building coreutils with long TMPDIR, because
> it has bunch of m4 files need to be expanded.
> 
> [YOCTO #2766]
> 
> Signed-off-by: Wenzong Fan <wenzong.fan@windriver.com>
> ---
>  meta/classes/autotools.bbclass |    3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/meta/classes/autotools.bbclass b/meta/classes/autotools.bbclass
> index e4e034b..874e01d 100644
> --- a/meta/classes/autotools.bbclass
> +++ b/meta/classes/autotools.bbclass
> @@ -130,7 +130,8 @@ autotools_do_configure() {
>  		if [ x"${acpaths}" = xdefault ]; then
>  			acpaths=
>  			for i in `find ${S} -maxdepth 2 -name \*.m4|grep -v 'aclocal.m4'| \
> -				grep -v 'acinclude.m4' | sed -e 's,\(.*/\).*$,\1,'|sort -u`; do
> +				grep -v 'acinclude.m4' | sed -e 's,\(.*/\).*$,\1,'|sort -u| \
> +				sed -e 's,${S},\.,'`; do
>  				acpaths="$acpaths -I $i"
>  			done
>  		else

We applied this but it nearly instantly caused build failure reports.
Anything with multiple configure.ac files where sub configures are used
such as bdwgc-native will fail after this.

I've therefore reverted it and we need to find another way.

Cheers,

Richard