ports use BUILD_DEPENDS:= ${RUN_DEPENDS}. This patch fixes ports that are
currently broken. This is a temporary measure until we organically stop using
:= or someone(s) spend a lot of time changing all the ports over.
Explicit duplication > := > = and this just moves ports one step to the left
Approved by: portmgr
Uses the GMP or BCMath extensions, if available,
and an internal implementation, otherwise.
WWW: http://pear.php.net/package/Math_BigInteger/
PR: ports/160211
Submitted by: Piotr Rybicki <meritus@innervision.pl>