[OE-core] [PATCH] waf.bbclass: correct the searching patch of waf

[yue.tao]

You're correct. After updating the last commit of meta-oe, the commit 
below has already fixed this issue. Thank Watt.


commit 29e280ee11c9a6f13c004ff25299668e4616f275
Author: Joshua Watt <jpewhacker at gmail.com>
Date:   Mon Feb 12 10:20:41 2018 -0600

     waf-samba.bbclass: No longer inherit waf.bbclass

     waf-samba.bbclass uses waf in a very different way than the "standard"
     method that waf.bbclass targets and ends getting very little useful
     functionality from that class.

     Signed-off-by: Joshua Watt <JPEWhacker at gmail.com>
     Signed-off-by: Armin Kuster <akuster808 at gmail.com>


Thanks,
yue.tao


On 2018年05月25日 11:46, Joshua Watt wrote:
>
>
> On Thu, May 24, 2018, 22:10 Yue Tao <Yue.Tao at windriver.com
> <mailto:Yue.Tao at windriver.com>> wrote:
>
>     The waf is localed at ${S}/buildtools/bin/, not ${S}. Update the
>     subsrcdir to look for the right path. The WARNINGs below can be fixed
>     by the fix.
>
>     WARNING: lib32-libtalloc-2.1.9-r0 do_configure: Unable to execute
>     waf --version, exit code 127. Assuming waf version without
>     bindir/libdir support.
>     WARNING: lib32-libtdb-1.3.14-r0 do_configure: Unable to execute waf
>     --version, exit code 127. Assuming waf version without bindir/libdir
>     support.
>     WARNING: lib32-libtevent-0.9.31-r0 do_configure: Unable to execute
>     waf --version, exit code 127. Assuming waf version without
>     bindir/libdir support.
>     WARNING: lib32-libldb-1.1.29-r0 do_configure: Unable to execute waf
>     --version, exit code 127. Assuming waf version without bindir/libdir
>     support.
>     WARNING: lib32-samba-4.6.7-r0 do_configure: Unable to execute waf
>     --version, exit code 127. Assuming waf version without bindir/libdir
>     support.
>
>     Signed-off-by: Yue Tao <Yue.Tao at windriver.com
>     <mailto:Yue.Tao at windriver.com>>
>     ---
>       meta/classes/waf.bbclass | 2 +-
>       1 file changed, 1 insertion(+), 1 deletion(-)
>
>     diff --git a/meta/classes/waf.bbclass b/meta/classes/waf.bbclass
>     index 19e93761b3..f8e66835fb 100644
>     --- a/meta/classes/waf.bbclass
>     +++ b/meta/classes/waf.bbclass
>     @@ -7,7 +7,7 @@ python waf_preconfigure() {
>           import subprocess
>           from distutils.version import StrictVersion
>           subsrcdir = d.getVar('S')
>     -    wafbin = os.path.join(subsrcdir, 'waf')
>     +    wafbin = os.path.join(subsrcdir + '/buildtools/bin/', 'waf')
>
>
> NACK. ${S}/waf is the "standard" location for waf, if your recipe has it
> in a different location, you need to parameterize it. Probably something
> like:
>
>   WAF ?= "${S}/waf"
>
> However, I thought these recipes were inheriting from waf-samba.bbclass
> which already does the right thing. Perhaps you have an outdated version
> of meta-oe?
>
>           try:
>               result = subprocess.check_output([wafbin, '--version'],
>     cwd=subsrcdir, stderr=subprocess.STDOUT)
>               version = result.decode('utf-8').split()[1]
>     --
>     2.17.0
>
>     --
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