extra/boost to 1.52.0-3

extra/boost/PKGBUILD

@@ -14,7 +14,7 @@ pkgbase=boost
 pkgname=('boost-libs' 'boost')
 pkgver=1.52.0
 _boostver=${pkgver//./_}
-pkgrel=2
+pkgrel=3
 url="http://www.boost.org/"
 arch=('i686' 'x86_64')
 license=('custom')
@@ -67,12 +67,13 @@ build() {
    # --layout=system no longer adds the -mt suffix for multi-threaded libs.
    # install to ${_stagedir} in preparation for split packaging
    "${_stagedir}"/bin/bjam \
-      release \
+      variant=release \
       debug-symbols=off \
       threading=multi \
       runtime-link=shared \
       link=shared \
       toolset=gcc \
+      python=2.7 \
       --layout=system \
       --prefix="${_stagedir}" \
       ${JOBS} \