From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dan.rpsys.net (5751f4a1.skybroadband.com [87.81.244.161]) by mail.openembedded.org (Postfix) with ESMTP id 37079784E0 for ; Tue, 12 Dec 2017 09:22:33 +0000 (UTC) Received: from hex ([192.168.3.34]) (authenticated bits=0) by dan.rpsys.net (8.15.2/8.15.2/Debian-3) with ESMTPSA id vBC9MWYH013011 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Tue, 12 Dec 2017 09:22:34 GMT Message-ID: <1513070552.19417.153.camel@linuxfoundation.org> From: Richard Purdie To: "Bai, Haiqing" , "openembedded-core@lists.openembedded.org" Date: Tue, 12 Dec 2017 09:22:32 +0000 In-Reply-To: References: <1511938459-22871-1-git-send-email-Haiqing.Bai@windriver.com> <1512946109.19417.136.camel@linuxfoundation.org> X-Mailer: Evolution 3.18.5.2-0ubuntu3.2 Mime-Version: 1.0 X-Virus-Scanned: clamav-milter 0.99.2 at dan X-Virus-Status: Clean Subject: Re: [PATCH] gmp: depends on flex-native to fix parallel building issue X-BeenThere: openembedded-core@lists.openembedded.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Patches and discussions about the oe-core layer List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 Dec 2017 09:22:34 -0000 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit Let me make this simpler. Which release of the project did you see this issue with? I believe this issue would only occur with morty and early, pyro, rocko and master are not affected. Cheers, Richard On Tue, 2017-12-12 at 07:13 +0000, Bai, Haiqing wrote: > Comments below. thanks > > -----Original Message----- > From: Richard Purdie [mailto:richard.purdie@linuxfoundation.org]  > Sent: 2017年12月11日 6:48 > To: Bai, Haiqing; openembedded-core@lists.openembedded.org > Subject: Re: [OE-core] [PATCH] gmp: depends on flex-native to fix > parallel building issue > > On Wed, 2017-11-29 at 14:54 +0800, Haiqing Bai wrote: > > > > fix below parallel building issue: > > configure:27365: result: flex > > configure:27403: flex conftest.l > > .../sysroots/x86_64-linux/usr/bin/flex.real: No such file or > > directory > > configure:27407: $? = 127 > > configure:27409: checking lex output file root > > configure:27420: error: cannot find output from flex; giving up > > > > Signed-off-by: Haiqing Bai > > --- > >  meta/recipes-support/gmp/gmp.inc | 2 ++ > >  1 file changed, 2 insertions(+) > > > > diff --git a/meta/recipes-support/gmp/gmp.inc b/meta/recipes-  > > support/gmp/gmp.inc index abac8cf..1b35eaa 100644 > > --- a/meta/recipes-support/gmp/gmp.inc > > +++ b/meta/recipes-support/gmp/gmp.inc > > @@ -10,3 +10,5 @@ PACKAGECONFIG[readline] = "--with-readline=yes,  > > --with-readline=no,readline" > >   > >  ARM_INSTRUCTION_SET_armv4 = "arm" > >  ARM_INSTRUCTION_SET_armv5 = "arm" > > + > > +DEPENDS = "flex-native" > With recipe specific sysroots this should now be deterministic. The > log above suggests you were not using recipe specific sysroots? This > would therefore only be applicable to morty and earlier? > [This issue is founded on x86-64 building,  but it does not mean it > is only related with x86.  Actually this is caused by the defect of > the traditional probe mechanism of 'configure',  the package > configure > script try to probe whether has package 'flex' , then some optional > actions will be done by it.  In this issue,  when this probe > happens,   /usr/bin/flex exists but '/usr/bin/flex.real' has not > created for the > parallel building,  then configure reports the error and exits from > building.   Since there are no atomic guarantee for the package > output during parallel building, so here add this depends] > > Cheers, > > Richard >