Add libsodium to the tree and build what's needed from source.

git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@3859 ed5197a5-7fde-0310-b194-c3ffbd925b24

deps/libsodium/.gitignore

@@ -0,0 +1,162 @@
+*.bc
+*.dSYM
+*.done
+*.final
+*.gcda
+*.gcno
+*.i
+*.la
+*.lo
+*.log
+*.mem
+*.nexe
+*.o
+*.plist
+*.scan
+*.sdf
+*.status
+*.tar.*
+*.wasm
+*.wast
+*~
+.DS_Store
+.deps
+.dirstamp
+.done
+.libs
+/bin/
+/obj/
+Build
+INSTALL
+Makefile
+Makefile.in
+Vagrantfile
+aclocal.m4
+android-toolchain
+android-toolchain-*
+autom4te.cache
+build
+compile
+confdefs.h
+config.*
+configure
+configure.lineno
+coverage.info
+depcomp
+install-sh
+libsodium-*.tar.bz2
+libsodium-*.tar.gz
+libsodium-*.vcproj
+libsodium-*.vcproj.filters
+libsodium-*.vcxproj
+libsodium-*.vcxproj.filters
+libsodium-android-*
+libsodium-ios
+libsodium-js
+libsodium-js-*
+libsodium-nativeclient
+libsodium-nativeclient-*
+libsodium-osx
+libsodium-uninstalled.pc
+libsodium-wasm32-wasi
+libsodium-win32
+libsodium-win64
+libsodium.pc
+libtool
+ltmain.sh
+m4/argz.m4
+m4/libtool.m4
+m4/ltoptions.m4
+m4/ltsugar.m4
+m4/ltversion.m4
+m4/lt~obsolete.m4
+man/*.html
+man/Makefile.in
+missing
+src/libsodium/*.def
+src/libsodium/include/sodium/version.h
+stamp-*
+test-driver
+test/default/*.asm.js
+test/default/*.res
+test/default/*.trs
+test/default/aead_aes256gcm
+test/default/aead_aes256gcm2
+test/default/aead_chacha20poly1305
+test/default/aead_chacha20poly13052
+test/default/aead_xchacha20poly1305
+test/default/auth
+test/default/auth2
+test/default/auth3
+test/default/auth5
+test/default/auth6
+test/default/auth7
+test/default/box
+test/default/box2
+test/default/box7
+test/default/box8
+test/default/box_easy
+test/default/box_easy2
+test/default/box_seal
+test/default/box_seed
+test/default/browser
+test/default/chacha20
+test/default/codecs
+test/default/core1
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+test/default/core3
+test/default/core4
+test/default/core5
+test/default/core6
+test/default/core_ed25519
+test/default/core_ristretto255
+test/default/ed25519_convert
+test/default/generichash
+test/default/generichash2
+test/default/generichash3
+test/default/hash
+test/default/hash3
+test/default/kdf
+test/default/keygen
+test/default/kx
+test/default/metamorphic
+test/default/misuse
+test/default/onetimeauth
+test/default/onetimeauth2
+test/default/onetimeauth7
+test/default/pwhash_argon2i
+test/default/pwhash_argon2id
+test/default/pwhash_scrypt
+test/default/pwhash_scrypt_ll
+test/default/randombytes
+test/default/scalarmult
+test/default/scalarmult2
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+test/default/secretbox_easy
+test/default/secretbox_easy2
+test/default/secretstream
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+test/default/siphashx24
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+test/default/sodium_version
+test/default/stream
+test/default/stream2
+test/default/stream3
+test/default/stream4
+test/default/verify1
+test/default/xchacha20
+test/js.done
+testing