Python: Upgraded boost to 1.58

python/external/boost/libs/numpy/src/SConscript

@@ -5,8 +5,18 @@
 #    (See accompanying file LICENSE_1_0.txt or copy at
 #          http://www.boost.org/LICENSE_1_0.txt)
 
-Import("env")
+import sys
+import os
+Import(['env', 'EXT_SUFFIX', 'LIB_SUFFIX', 'OBJ_SUFFIX'])
 
-lib = env.SharedLibrary("boost_numpy", Glob("*.cpp"))
+LIB_BOOST_NUMPY = ('boost_numpy' + LIB_SUFFIX)
+sourcefiles = Glob("*.cpp")
+if os.name == 'nt':
+    lib = env.StaticLibrary(LIB_BOOST_NUMPY, source=sourcefiles)
+else:
+    mods = [g.name.replace('.cpp', '') for g in sourcefiles]
+    for m in mods:
+        env.SharedObject (target=m+OBJ_SUFFIX, source=m+'.cpp')
+    lib = env.SharedLibrary(LIB_BOOST_NUMPY, source=[m+OBJ_SUFFIX for m in mods])
 
 Return("lib")