Add a recipe for GMP 4

gmp-4/build.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+chmod +x configure
+
+if [ `uname` == Darwin ]; then
+    ./configure --prefix=$PREFIX --disable-shared
+else
+    ./configure --prefix=$PREFIX
+fi
+
+make
+make check
+make install

gmp-4/meta.yaml

@@ -0,0 +1,16 @@
+package:
+  name: gmp
+  version: 4.3.2
+
+source:
+  fn: gmp-4.3.2.tar.bz2
+  url: http://ftp.gnu.org/pub/gnu/gmp/gmp-4.3.2.tar.bz2
+  sha1: c011e8feaf1bb89158bd55eaabd7ef8fdd101a2c
+
+about:
+  home: http://gmplib.org/
+  license: GPL 3
+
+test:
+  files:
+    - test.c

gmp-4/run_test.sh

@@ -0,0 +1,2 @@
+cc -I $PREFIX/include -L $PREFIX/lib test.c -lgmp -o test.out
+./test.out

gmp-4/test.c

@@ -0,0 +1,28 @@
+/* Taken from the GMP Wikipedia article */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "gmp.h"
+
+int main(void)
+{
+    mpz_t x;
+    mpz_t y;
+    mpz_t result;
+
+    mpz_init(x);
+    mpz_init(y);
+    mpz_init(result);
+
+    mpz_set_str(x, "7612058254738945", 10);
+    mpz_set_str(y, "9263591128439081", 10);
+
+    mpz_mul(result, x, y);
+    gmp_printf("\n    %Zd\n*\n    %Zd\n--------------------\n%Zd\n\n", x, y, result);
+
+    /* free used memory */
+    mpz_clear(x);
+    mpz_clear(y);
+    mpz_clear(result);
+    return EXIT_SUCCESS;
+}