[LLVMdev] creating a project from sample project

[Ryan M. Lefever]

Reid,

Thanks for the help.  I am trying out the fixes you checked into CVS.  I 
seem to be getting some errors running AutoRegen.sh.  I am a bit 
inexperienced with autoconf and m4.  The errors I'm getting are below. 
Do you know what the problem is?  I am using machines running FC3.  The 
autoconf version is 2.59, the aclocal version is 1.9.2, and the m4 
version is 1.4.1.

/usr/share/aclocal/gob2.m4:7: warning: underquoted definition of GOB2_HOOK
   run info '(automake)Extending aclocal'
   or see http://sources.redhat.com/automake/automake.html#Extending-aclocal
Regenerating configure with autoconf 2.5x
configure.ac:25: error: possibly undefined macro: AC_CONFIG_MAKEFILE
       If this token and others are legitimate, please use m4_pattern_allow.
       See the Autoconf documentation.
autoconf failed

Regards,
Ryan

Reid Spencer wrote:
> Ryan,
> 
> Rather than fix the documentation to match reality, I decided to fix
> reality to match the documentation. I have just committed (CVS head)
> changes to the sample project's AutoRegen.sh script that will prompt the
> user for the path to the LLVM source root and the LLVM object root, if
> it can't automatically determine the location (because your project is
> not located in the llvm/projects directory).  Once entered, the value is
> retained and used throughout so you never need to specify it again.
> Hopefully, this will help with your circumstances.
> 
> Please try it out and let me know if that solution works or if you have
> any further issues.
> 
> Reid.
> 
> On Tue, 2006-04-18 at 00:03 -0500, Ryan M. Lefever wrote:
> 
>>Thank you for the response.  I guess the only thing that is confusing is 
>>that the LLVM documentation, at http://llvm.org/docs/Projects.html under 
>>the "Create a Project from the Sample Project" heading, indicates that 
>>(1) you can place your project *anywhere* you want, and (2) that you are 
>>supposed to use the AutoRegen.sh script as is.  However, that seems not 
>>to be the case.
>>
>>The reason my project is not in the LLVM projects directory is because 
>>it is in a CVS directory as part of a different project I am working on.
>>
>>Again thanks for the help.
>>
>>Ryan
>>
>>Reid Spencer wrote:
>>
>>>It's complaining about the LLVM autoconf/m4 directory which contains the
>>>m4 macros that are used in your project's configure.ac. By convention,
>>>your project should be in the llvm/projects directory so that you have:
>>>
>>>1. llvm/autoconf
>>>2. llvm/projects/yourProj/autoconf
>>>
>>>The AutoRegen.sh in #2 is looking for #1. By convention that should be
>>>located at ../../../autoconf/m4.  AC_CONFIG_AUX_DIR has nothing to do
>>>with it, as that comes into play only when autoconf is run, not when
>>>AutoRegen.sh is running. 
>>>
>>>Probably the only thing you're doing "wrong" is not placing your project
>>>in the llvm/projects directory.  If you need to have your project
>>>elsewhere, then what you did (change llvm_m4) is correct.  But, please
>>>be aware, the directory you want is *not* your project's autoconf
>>>directory, but LLVM's autoconf directory.
>>>
>>>Reid.
>>>
>>>On Fri, 2006-04-14 at 18:40 -0500, Ryan M. Lefever wrote:
>>>
>>>
>>>>I am trying to create a project in my home directory based off the 
>>>>instructions in http://llvm.org/docs/Projects.html.  I have completed 
>>>>step 4 requiring me to set the values in autoconf/configure.ac  In step 
>>>>5, when I run AutoRegen.sh, I get the following error:
>>>>
>>>>Can't find the LLVM autoconf/m4 directory. The project should be checked 
>>>>out to projects directory
>>>>
>>>>So, I assumed that I set AC_CONFIG_AUX_DIR incorrectly in configure.ac. 
>>>> I tried setting it to an absolute path and a relative path but had no 
>>>>luck.  Then I looked at AutoRegen.sh, and it seems to have a variable 
>>>>called llvm_m4 that is hardcoded to either ../../../autoconf/m4 or 
>>>>../../llvm/autoconf/m4.  If I hardcode in another option that allows 
>>>>llvm_m4 to be hardcoded to the same value that I set AC_CONFIG_AUX_DIR 
>>>>to, then I am able to run AutoRegen.sh.  Am I doing something wrong?
>>>>
>>>>Regards,
>>>>Ryan
>>>>
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>>>>
>>>>
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-- 
Ryan M. Lefever  [217.333.7231]  [http://www.ews.uiuc.edu/~lefever]