Joseph Schoonmaker <josephmschoonmaker at gmail.com> writes: Error in installation of GMP-6.0.0 System : Windows 7 64-bit When running "./configure", MSYS reports "configure: error: could not find a working compiler, see config.log for details." You need a compiler to compile GMP. Install one, then try again. Torbjörn Please encrypt, key id 0xC8601622