Problems with tinc configure with gmp 3.0.1

[John Lange]

Ok, I'm way slow in replying to this but I've finally got around to trying to 
get tinc up and running again.

The problem is, tinc ./configure will not find gmp 3.0.1. I was asked for the 
relevent lines in config.log, so here they are below.

Just so anyone reading this knows, the work around is to use gmp-2.0.1 instead. 
I had to manually remove libgmp from /usr/local/lib to get the old version to 
install.

My understanding is this should all go away in tinc1.0pre3.

----- snip -----
configure:4197: checking for mpz_powm in -lgmp2
configure:4216: gcc -o conftest -g -O2   conftest.c -lgmp2   1>&5
/usr/i386-slackware-linux/bin/ld: cannot open -lgmp2: No such file or directory
collect2: ld returned 1 exit status
configure: failed program was:
#line 4205 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char mpz_powm();

int main() {
mpz_powm()
; return 0; }
configure:4239: checking for mpz_powm in -lgmp3
configure:4258: gcc -o conftest -g -O2   conftest.c -lgmp3   1>&5
/usr/i386-slackware-linux/bin/ld: cannot open -lgmp3: No such file or directory
collect2: ld returned 1 exit status
configure: failed program was:
#line 4247 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char mpz_powm();

int main() {
mpz_powm()
; return 0; }
configure:4281: checking for mpz_powm in -lgmp
configure:4300: gcc -o conftest -g -O2   conftest.c -lgmp   1>&5
/tmp/ccfm1s1e.o: In function `main':
/home/wangster/tinc-1.0pre2/configure:4296: undefined reference to `mpz_powm'
collect2: ld returned 1 exit status
configure: failed program was:
#line 4289 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char mpz_powm();

int main() {
mpz_powm()
; return 0; }
----- end snip ------

John Lange
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