odd problem building gmp from source

Hi,
I chose to make a minor edit to the R-source  matrixz.R in the gmp package (not to be confused with the GNU gmp library which it calls).

On my Intel iMac at work, running OSX 10.6.4,  it compiled just fine.

for reference, that Mac has:
%gcc -version
i686-apple-darwin10-gcc-4.2.1: no input files

and I honestly forget which version of gmplib I installed.

So, I took the R-gmp source home, where I have an Intel iMac w/ 10.5.8, and I get the following foulup:

TheiMac:~/downloads/gmpmod:cgw-507$ ./configure
creating cache ./config.cache
checking for __gmpz_ui_sub in -lgmp... no
configure: error: GNU MP not found, or not 4.1.4 or up, see http://swox.com.gmp

I've tried installing both GNU gmp 4.3.2 and 5.0.1, same problem.  And the libraries are in /usr/local/lib, just as they are on my work iMac.

If you have doubt about your builds of gmp you can always pick the one used on CRAN if you wish at
http://r.research.att.com/libs/
I thought it might be the compiler, so I checked:

TheiMac:~/downloads/gmpmod:cgw-508$ gcc -version
i686-apple-darwin9-gcc-4.2.1: no input files

You really meant to use --version I presume:

ginaz:~$ gcc --version
i686-apple-darwin10-gcc-4.2.1 (GCC) 4.2.1 (Apple Inc. build 5664)

but the version usually doesn't matter - especially not on on 10.6 ;)
Any ideas what I've got set up wrong? Let me know what other system or app diagnostics I can supply.

Well, the only useful diagnostics is the config.log - it will tell you exactly what the error is ...

Cheers,
Simon
thanks
Carl

(I did finagle an ugly workaround, by bringing home a copy of the installed R-gmp package.  I had to go to the Library/Frameworks/... /libs/i386 directory and swap in the original gmp.so  file (from the CRAN package) to get things mostly working))

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odd problem building gmp from source

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