Pull over depends and build changes from zc.v0.10.0.latest. Fails to build due to new ./configure dependency for serialization stuff.

depends/packages/crypto++.mk

@@ -0,0 +1,20 @@
+package=crypto++
+$(package)_version=5.6.2
+$(package)_download_path=http://www.cryptopp.com/
+$(package)_file_name=cryptopp562.zip
+$(package)_sha256_hash=5cbfd2fcb4a6b3aab35902e2e0f3b59d9171fee12b3fc2b363e1801dfec53574
+$(package)_dependencies=
+
+# SECURITY BUG: _extract_cmds is responsible for verifying the archive
+# hash, but does not do so here:
+define $(package)_extract_cmds
+  unzip $($(package)_source_dir)/$($(package)_file_name)
+endef
+
+define $(package)_build_cmds
+  $(MAKE) static CXXFLAGS='-DNDEBUG -g -O2 -fPIC'
+endef
+
+define $(package)_stage_cmds
+  $(MAKE) install PREFIX=$($(package)_staging_dir)$(host_prefix)
+endef