[R-SIG-Mac] Building R-devel from source

[Göran Broström]

Update: There is a libgcc_s.1.dylib in /usr/lib, as a symlink to 
/usr/lib/libSystem.B.dylib. Is that one useful?

Göran

Den 2019-08-18 kl. 18:54, skrev Göran Broström:
> Thanks Peter,
> 
> The tripping lines are here
> 
> configure:24611: checking size of size_t
> configure:24616: gcc -o conftest -g -O2 -I/usr/local/include 
> -L/usr/local/lib conftest.c -ldl -lm  >\
> &5
> configure:24616: $? = 0
> configure:24616: ./conftest
> dyld: Library not loaded: /usr/local/lib/libgcc_s.1.dylib
>    Referenced from: /Users/gb/R/src/R-devel/./conftest
>    Reason: image not found
> 
> so it seems as if my installation of tools is lacking an essential part 
> (/usr/local/lib/libgcc_s.1.dylib). I'll look around, but any suggestion 
> is welcome!
> 
> Göran
> 
> Den 2019-08-18 kl. 17:56, skrev peter dalgaard:
>> I can't claim to understand this, but on my system of same age, using 
>> system clang, configure does complete. It does get that error on line 
>> 23748, but that, and several similar subsequent tests just end up 
>> returning "yes".
>>
>> configure:23748: checking for size_t
>> configure:23748: gcc -arch x86_64 -c -g -O2 -I/usr/local/include 
>> conftest.c >&5
>> configure:23748: $? = 0
>> configure:23748: gcc -arch x86_64 -c -g -O2 -I/usr/local/include 
>> conftest.c >&5
>> conftest.c:118:21: error: expected expression
>> if (sizeof ((size_t)))
>>                      ^
>> 1 error generated.
>> [..snip..]
>> configure:23748: result: yes
>>
>> (as usual, configure code is nigh on unreadable, but I think the logic 
>> is that the size_t type exists if you can do "sizeof (size_t)", but 
>> not "sizeof ((size_t))", so the error is expected.)
>>
>> The line that trips you up comes later:
>>
>> configure:24611: checking size of size_t
>> configure:24616: gcc -arch x86_64 -o conftest -g -O2 
>> -I/usr/local/include -L/usr/
>> local/lib conftest.c -ldl -lm  >&5
>> configure:24616: $? = 0
>> configure:24616: ./conftest
>> configure:24616: $? = 0
>> configure:24630: result: 8
>>
>> so that is where you should look for clues (or at least tell us what 
>> it says there).
>>
>> -pd
>>
>>> On 18 Aug 2019, at 13:34 , Göran Broström <goran.brostrom using umu.se> wrote:
>>>
>>> Hello,
>>>
>>> I'm (for the first time) trying to build R-devel from source (to be 
>>> able to check my CRAN packages on a Mac), but it breaks already after
>>>
>>> gobr0002 using MBP-2:~/R/src/R-devel$ ./configure
>>>
>>> with
>>>
>>> checking size of size_t... configure: error: in 
>>> `/Users/gb/R/src/R-devel':
>>> configure: error: cannot compute sizeof (size_t)
>>> See `config.log' for more details
>>>
>>> Some 'details' regarding size_t:
>>>
>>> configure:23748: checking for size_t
>>> configure:23748: gcc -c -g -O2 -I/usr/local/include conftest.c >&5
>>> configure:23748: $? = 0
>>> configure:23748: gcc -c -g -O2 -I/usr/local/include conftest.c >&5
>>> conftest.c: In function 'main':
>>> conftest.c:116:21: error: expected expression before ')' token
>>> if (sizeof ((size_t)))
>>>                      ^
>>>
>>> My MacBook Pro is old (2010), so I am stuck with MacOS 10.13.6, XCode 
>>> 10.1. I'm using clang 7.0.0 and fortran 6.1.0.
>>>
>>> Do I need to buy a new Mac?
>>>
>>> Thanks, Göran
>>>
>>> _______________________________________________
>>> R-SIG-Mac mailing list
>>> R-SIG-Mac using r-project.org
>>> https://stat.ethz.ch/mailman/listinfo/r-sig-mac
>>
> 
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