Re: crosstool-ng 1.15.2: cloog problems

[Per Arnold Blaasmo <per-arnold dot blaasmo at atmel dot com>]

On 27. juli 2012 13:53, Per Arnold Blaasmo wrote:
> On 27. juli 2012 12:44, Per Arnold Blaasmo wrote:
>> On 27. juli 2012 12:15, Per Arnold Blaasmo wrote:
>>> On 25. juni 2012 15:21, Thomas De Schampheleire wrote:
>>>> On Wed, Jun 13, 2012 at 10:02 AM, Thomas De Schampheleire
>>>> <patrickdepinguin@gmail.com> wrote:
>>>>> Hi,
>>>>>
>>>>> On Fri, Jun 8, 2012 at 2:16 PM, Thomas De Schampheleire
>>>>> <patrickdepinguin@gmail.com> wrote:
>>>>>> [Please keep me in CC]
>>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> I'm experiencing trouble with cloog in crosstool-ng 1.15.2, and I
>>>>>> didn't have problems before with 1.13.4. I'm using the same
>>>>>> configuration.
>>>>>>
>>>>>> Note: the machine on which I have these problems is running CentOS
>>>>>> 5.8, which does not contain the most recent packages of anything. But
>>>>>> note also that the same machine was used before (1.13.4) without
>>>>>> problems.
>>>>>>
>>>>>> The first problem was this:
>>>>>>
>>>>>> [EXTRA]    Building CLooG/ppl
>>>>>> [ALL  ]    make[3]: Entering directory
>>>>>> `/repo/central/jenkins/workspace/buildroot-eglibc-toolchain/output/build/build-toolchain/.build/powerpc-unknown-linux-gnu/build/build-cloog-ppl-host-x86_64-build_unknown-linux-gnu'
>>>>>> [ALL  ]    cd /repo/central/jenkins/workspace/buildroot-eglibc-toolchain/output/build/build-toolchain/.build/src/cloog-ppl-0.15.9
>>>>>> && /bin/sh /repo/central/jenkins/workspace/buildroot-eglibc-toolchain/output/build/build-toolchain/.build/src/cloog-ppl-0.15.9/autoconf/missing
>>>>>> --run aclocal-1.9 -I m4
>>>>>>
>>>>>> [ALL  ]    aclocal: couldn't open directory `m4': No such file or directory
>>>>>> [ERROR]    make[3]: ***
>>>>>> [/repo/central/jenkins/workspace/buildroot-eglibc-toolchain/output/build/build-toolchain/.build/src/cloog-ppl-0.15.9/aclocal.m4]
>>>>>> Error 1
>>>>>> [ALL  ]    make[3]: Leaving directory
>>>>>> `/repo/central/jenkins/workspace/buildroot-eglibc-toolchain/output/build/build-toolchain/.build/powerpc-unknown-linux-gnu/build/build-cloog-ppl-host-x86_64-build_unknown-linux-gnu'
>>>>>>
>>>>>> The m4 directory is indeed not present in cloog-ppl so it shouldn't be
>>>>>> referenced anyway.
>>>>>> I could fix this problem by changing the cloog Makefile.in and
>>>>>> Makefile.am so that the m4 directory is not included (remove
>>>>>> ACLOCAL_AMFLAGS setting).
>>>>>
>>>>> So I tracked down the first problem (assuming the second is a
>>>>> consequence of the first).
>>>>>
>>>>> In previous crosstool-ng versions (1.14), the cloog sources were not
>>>>> patched. In the current version, configure and configure.in are
>>>>> changed. This triggers the cloog Makefile to call the folllowing line:
>>>>> autoconf/missing --run aclocal-1.9 -I m4
>>>>>
>>>>> When aclocal-1.9 is not present on the system, all is fine. The script
>>>>> returns with a simple warning saying that aclocal-1.9 isn't installed
>>>>> and that you only need it if you changed configure.in. This comes from
>>>>> the following lines in autoconf/missing:
>>>>>
>>>>> # If it does not exist, or fails to run (possibly an outdated version),
>>>>> # try to emulate it.
>>>>> case "$1" in
>>>>>  aclocal*)
>>>>>    echo 1>&2 "\
>>>>> WARNING: \`$1' is $msg.  You should only need it if
>>>>>         you modified \`acinclude.m4' or \`${configure_ac}'.  You might want
>>>>>         to install the \`Automake' and \`Perl' packages.  Grab them from
>>>>>         any GNU archive site."
>>>>>    touch aclocal.m4
>>>>>    ;;
>>>>>
>>>>>
>>>>> When aclocal-1.9 is present, it actually runs it, with parameter -I
>>>>> m4' as instructed by the cloog package. However, the m4 directory
>>>>> doesn't exist and aclocal chokes on it. According to me this is a
>>>>> problem in the cloog package that should be fixed.
>>>>>
>>>>> But, I'm troubled by the fact that I haven't found reports about this
>>>>> anywhere. Do none of you have aclocal-1.9 installed?
>>>>>
>>>>> What is the best solution here?
>>>>>
>>>>> One thing that works is make sure that aclocal.m4 is more recent than
>>>>> the patched configure files (by touching it) so that the missing
>>>>> script isn't called. This works in the current case because the
>>>>> patching of configure doesn't have impact on the aclocal.m4 file. It
>>>>> may not be a generic fix in case configure is patched with more
>>>>> impact, but it works (I tried).
>>>>>
>>>>> What do you think? Any input is welcome...
>>>>>
>>>>
>>>> Yann, any input?
>>>>
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>>>>
>>>>
>>> I have the same problem with aclocal-1.11.
>>> I have configured using CT-COMP-TOOLS=y
>>> so all autoconf tools are downloaded and set up by ct-ng.
>>>
>>> I have not figured how to fix it yet?
>>>
>>> Per A.
>>>
>>>
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>>>
>>>
>>>
>> Hmmm....
>> Running it on my Fedora 17 box worked OK, but the previous attempt was
>> on a RHEL 5.8 box.
>>
>> I am not sure why this difference is?
>>
>> Per A.
>>
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>>
>>
>>
> I found a workaround at
> http://www.mail-archive.com/fink-users@lists.sourceforge.net/msg30365.html
> 
> I solved it by adding a m4 folder to the cloog-ppl-<version>.tar.gz file.
> 
> I did this in a build job (we use Jenkins) by:
> 1. first extract the original cloog-ppl.tar.gz to a tmp folder
> 2. make a empty dir called 'm4' in the top of cloog source folder.
> 3. pack the folder back to a tar.gz file overwriting the orginal
> cloog-ppl-<version>.tar.gz
> 4. start ct-ng with this modified cloog-ppl.tar.gz file.
> 
> I guess a better solution is to add a patch file to ct-ng that adds the
> empty folder.
> 
> Per A.
> 
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> 
> 
> 
OK, final workaround :-)
Here is a patch file that can bee copied to the cloog-ppl patch folder.

Per A.

diff -Naurd cloog-ppl-0.15.11-a/m4/dummy.txt cloog-ppl-0.15.11-b/m4/dummy.txt
--- cloog-ppl-0.15.11-a/m4/dummy.txt	1970-01-01 01:00:00.000000000 +0100
+++ cloog-ppl-0.15.11-b/m4/dummy.txt	2012-07-27 13:45:33.717140280 +0200
@@ -0,0 +1 @@
+dummy text

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