The MPFR package contains functions for multiple precision math.
First, apply the following patch to fix various bugs that have been addressed upstream:
patch -Np1 -i ../mpfr-3.1.2-upstream_fixes-2.patch
Prepare MPFR for compilation:
./configure --prefix=/usr \ --enable-thread-safe \ --docdir=/usr/share/doc/mpfr-3.1.2
Compile the package and generate the HTML documentation:
make make html
The test suite for MPFR in this section is considered critical. Do not skip it under any circumstances.
Test the results and ensure that all tests passed:
Install the package and its documentation:
make install make install-html