Unable to build git on Lion - missing config.h from Perl header files

> Hi,
> 
> I came across the following problem while trying to build git (1.7.6) on Lion
> https://github.com/mxcl/homebrew/issues/7091
> 
> The only files existing in
> /System/Library/Perl/5.12/darwin-thread-multi-2level/CORE/ are
> libperl.dylib andperl.h.
> 
> make[2]: *** No rule to make target
> `/System/Library/Perl/5.12/darwin-thread-multi-2level/CORE/config.h',
> needed by `perl.mak'.  Stop.
> make[1]: *** [instlibdir] Error 2
> 
> If possible it would be a good idea to continue the discussion on
> homebrew bug tracker
> 
> Thanks,
> -- 
> Sorin Sbarnea

> This was a clean-new Lion install, not an upgrade. I just installed
> Xcode on alternate location /Developer41 instead of /Developer
> 
> Yes, I did a `make clean` but it has no effect.
> 
> The problem is that on Lion there is no config.h in the perl
> directory, only a perl.h file.

> Sorin Sbarnea wrote:
>> This was a clean-new Lion install, not an upgrade. I just installed
>> Xcode on alternate location /Developer41 instead of /Developer
>>
>> Yes, I did a `make clean` but it has no effect.
>>
>> The problem is that on Lion there is no config.h in the perl
>> directory, only a perl.h file.
> 
> Color me puzzled, but where is it getting the config.h idea from?
> 
>   $ git grep config\\.h
>   compat/fnmatch/fnmatch.c:# include <config.h>
>   compat/regex/regex.c:#include "config.h"
>   t/t4014-format-patch.sh:test_expect_success '--no-add-headers overrides config.headers' '
> 
> Similarly, 'git grep config perl' only turns up matches in perl code.
> So what tells it to use config.h?

> On 08/19/2011 05:12 PM, Thomas Rast wrote:
>> Sorin Sbarnea wrote:
>>> This was a clean-new Lion install, not an upgrade. I just installed
>>> Xcode on alternate location /Developer41 instead of /Developer
>>>
>>> Yes, I did a `make clean` but it has no effect.
>>>
>>> The problem is that on Lion there is no config.h in the perl
>>> directory, only a perl.h file.
>>
>> Color me puzzled, but where is it getting the config.h idea from?
>>
>>   $ git grep config\\.h
>>   compat/fnmatch/fnmatch.c:# include <config.h>
>>   compat/regex/regex.c:#include "config.h"
>>   t/t4014-format-patch.sh:test_expect_success '--no-add-headers overrides config.headers' '
>>
>> Similarly, 'git grep config perl' only turns up matches in perl code.
>> So what tells it to use config.h?
>
> Probably MakeMaker.
>
> Setting NO_PERL_MAKEMAKER may help:
>
>   rm perl/perl.mak
>   make NO_PERL_MAKEMAKER=1
>
> -Brandon
>

> On Fri, Aug 19, 2011 at 23:19, Brandon Casey
>> Probably MakeMaker.
>>
>> Setting NO_PERL_MAKEMAKER may help:
>>
>>   rm perl/perl.mak
>>   make NO_PERL_MAKEMAKER=1
>>
> I confirm that this workaround solved the problem. Now the question is
> what should be changed so git will be installed (and build) without
> problems by homebrew?

> Sorin Sbarnea <sorin.sbarnea@gmail.com> writes:
> 
>> On Fri, Aug 19, 2011 at 23:19, Brandon Casey
>>> Probably MakeMaker.
>>>
>>> Setting NO_PERL_MAKEMAKER may help:
>>>
>>>   rm perl/perl.mak
>>>   make NO_PERL_MAKEMAKER=1
>>>
>> I confirm that this workaround solved the problem. Now the question is
>> what should be changed so git will be installed (and build) without
>> problems by homebrew?
> 
> If the user's distro does not have packaged makemaker, or if the user
> chooses not to install it, then the build procedure of git can be told to
> avoid using it, which is what you did. So there is nothing to fix there.
> 
> If you are not going to tell git to avoid makemaker, in other words, if
> you want to use makemaker, then installing it before starting the build
> procedure would help, too. But that is outside the scope of git project.