/usr/local/clang7 is likely a better place to look. Check out Appendix C.3 of the R Inst.&Adm. manual:
https://cran.r-project.org/doc/manuals/r-release/R-admin.html#macOS -pd > On 18 Aug 2019, at 21:35 , Göran Broström <goran.brost...@umu.se> wrote: > > 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: $? = 0 >>> configure:24630: result: 8 >>> >>> so that is where you should look for clues (or at least tell us what it >>> says there). >>> >>> -pd >>> >>>> On 18 Aug 2019, at 13:34 , Göran Broström <goran.brost...@umu.se> wrote: >>>> >>>> Hello, >>>> >>>> I'm (for the first time) trying to build R-devel from source (to be able >>>> to check my CRAN packages on a Mac), but it breaks already after >>>> >>>> gobr0002@MBP-2:~/R/src/R-devel$ ./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@r-project.org >>>> https://stat.ethz.ch/mailman/listinfo/r-sig-mac >>> >> _______________________________________________ >> R-SIG-Mac mailing list >> R-SIG-Mac@r-project.org >> https://stat.ethz.ch/mailman/listinfo/r-sig-mac > > _______________________________________________ > R-SIG-Mac mailing list > R-SIG-Mac@r-project.org > https://stat.ethz.ch/mailman/listinfo/r-sig-mac -- Peter Dalgaard, Professor, Center for Statistics, Copenhagen Business School Solbjerg Plads 3, 2000 Frederiksberg, Denmark Phone: (+45)38153501 Office: A 4.23 Email: pd....@cbs.dk Priv: pda...@gmail.com _______________________________________________ R-SIG-Mac mailing list R-SIG-Mac@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-mac
