I am trying to set up the gnu multiple precision arithmetic library for some c++ programming I have to do.
I am using a system with mac osx 10.6.3 and do NOT have root user access.
I'm trying to use gmp 5.0.1.
Since I don't have root user access, I had to install to a different directory
Thus I used
Code:
./configure --prefix=~/gmp --enable-cxx
make
make install
I also ran make check and it did not report any errors.
I then went to run a test program
Compiled with no errors using
dyld: Library not loaded: /usr/local/lib/libgmpxx.4.dylib
Referenced from: /Users/****/./gmptest
Reason: image not found
Trace/BPT trap
The gmptest.cxx test program is the following
Code:
#include <gmp.h>
#include <gmpxx.h>
#include <iostream>
#include <stdlib.h>
#include <stdio.h>
using namespace std;
void foo (mpz_t result, const mpz_t param, unsigned long n)
{
unsigned long i;
mpz_mul_ui (result, param, n);
for (i = 1; i < n; i++)
mpz_add_ui (result, result, i*7);
}
int
main ()
{
mpz_t r, n;
mpz_init (r);
mpz_init_set_str (n, "123456", 0);
foo (r, n, 20L);
gmp_printf ("%Zd\n", r);
return 0;
}
It's just some program I found that should print out a number.. Not important what it does at this point, I just want it to run.
I understand the error is saying that it cant find the libgmpxx.4.dylib file in /usr/local/lib which makes sense because it isn't there. But I thought the -L and -I settings I put in the compiler options tell it to look there for the libraries, and that library DOES exist there.
What am I doing wrong? Did I miss something?
Edit:
I also checked otool -L gmptest and it shows libgmpxx.4.dylib and libgmp.10.dylib linked from /usr/local/lib . They do NOT exist in this directory, they exist in /Users/****/gmp/lib where I thought I had told it to look.
Last edited by pludi; 06-29-2010 at 03:41 AM..
Reason: code tags, please...
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Hi.
I have no experience with gmp, and little with c++. However, I had been looking at ld today, and thought I would try a few things.
Briefly, I downloaded gmp 5.x from gnu.org, compiled it with your .configure line (into ~/gmp), ran make, make check, make install. Then I created a script, s1, to try the test code compile, link, execute. The (lengthy) results are below in 3 sections: my environment, the script, and the "link trace" compile, link, execute.
At first I thought the link had included everything in libgmp.a, but there are 450+ entries (according to nm | grep T | wc, and ar t | wc), so I concluded it was a selective link.
I am not using OS X, but I'd guess it's worth a try to do it this way if you cannot install into /lib, /usr/lib.
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