diff --git a/.travis.yml b/.travis.yml
index 1630c1d02..8b9ede3e1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -33,7 +33,7 @@ matrix:
     - compiler: ": 32-bit + dash"
       env: HOST=i686-pc-linux-gnu PACKAGES="g++-multilib bc" RUN_TESTS=true GOAL="install" BITCOIN_CONFIG="--enable-glibc-back-compat" USE_SHELL="/bin/dash"
     - compiler: ": Cross-Mac"
-      env: HOST=x86_64-apple-darwin11 PACKAGES="gcc-multilib g++-multilib cmake libcap-dev libz-dev libbz2-dev" OSX_SDK=10.7 GOAL="deploy"
+      env: HOST=x86_64-apple-darwin11 PACKAGES="cmake libcap-dev libz-dev libbz2-dev" OSX_SDK=10.7 GOAL="deploy"
     - compiler: ": Win64"
       env: HOST=x86_64-w64-mingw32 PACKAGES="nsis gcc-mingw-w64-x86-64 g++-mingw-w64-x86-64 binutils-mingw-w64-x86-64 mingw-w64-dev wine bc" RUN_TESTS=true GOAL="deploy" BITCOIN_CONFIG="--enable-gui" MAKEJOBS="-j2"
     - compiler: ": Win32"
diff --git a/contrib/gitian-descriptors/gitian-osx.yml b/contrib/gitian-descriptors/gitian-osx.yml
index 4f05aad23..0732d3530 100644
--- a/contrib/gitian-descriptors/gitian-osx.yml
+++ b/contrib/gitian-descriptors/gitian-osx.yml
@@ -6,7 +6,7 @@ suites:
 architectures:
 - "amd64"
 packages: 
-- "g++-multilib"
+- "g++"
 - "git-core"
 - "pkg-config"
 - "autoconf2.13"
diff --git a/depends/hosts/darwin.mk b/depends/hosts/darwin.mk
index 8d718eba1..c1070d877 100644
--- a/depends/hosts/darwin.mk
+++ b/depends/hosts/darwin.mk
@@ -1,8 +1,9 @@
 OSX_MIN_VERSION=10.6
 OSX_SDK_VERSION=10.7
 OSX_SDK=$(SDK_PATH)/MacOSX$(OSX_SDK_VERSION).sdk
-darwin_CC=clang -target $(host) -mmacosx-version-min=$(OSX_MIN_VERSION) --sysroot $(OSX_SDK)
-darwin_CXX=clang++ -target $(host) -mmacosx-version-min=$(OSX_MIN_VERSION) --sysroot $(OSX_SDK)
+LD64_VERSION=241.9
+darwin_CC=clang -target $(host) -mmacosx-version-min=$(OSX_MIN_VERSION) --sysroot $(OSX_SDK) -mlinker-version=$(LD64_VERSION)
+darwin_CXX=clang++ -target $(host) -mmacosx-version-min=$(OSX_MIN_VERSION) --sysroot $(OSX_SDK) -mlinker-version=$(LD64_VERSION)
 
 darwin_CFLAGS=-pipe
 darwin_CXXFLAGS=$(darwin_CFLAGS)
diff --git a/depends/packages/native_cctools.mk b/depends/packages/native_cctools.mk
index 1675afe78..951ad4fb2 100644
--- a/depends/packages/native_cctools.mk
+++ b/depends/packages/native_cctools.mk
@@ -1,61 +1,37 @@
 package=native_cctools
-$(package)_version=809
-$(package)_download_path=http://www.opensource.apple.com/tarballs/cctools
-$(package)_file_name=cctools-$($(package)_version).tar.gz
-$(package)_sha256_hash=03ba62749b843b131c7304a044a98c6ffacd65b1399b921d69add0375f79d8ad
-$(package)_build_subdir=cctools2odcctools/odcctools-$($(package)_version)
-$(package)_dependencies=native_libuuid native_openssl
-$(package)_ld64_download_file=ld64-127.2.tar.gz
-$(package)_ld64_download_path=http://www.opensource.apple.com/tarballs/ld64
-$(package)_ld64_file_name=$($(package)_ld64_download_file)
-$(package)_ld64_sha256_hash=97b75547b2bd761306ab3e15ae297f01e7ab9760b922bc657f4ef72e4e052142
-$(package)_dyld_download_file=dyld-195.5.tar.gz
-$(package)_dyld_download_path=http://www.opensource.apple.com/tarballs/dyld
-$(package)_dyld_file_name=$($(package)_dyld_download_file)
-$(package)_dyld_sha256_hash=2cf0484c87cf79b606b351a7055a247dae84093ae92c747a74e0cde2c8c8f83c
-$(package)_toolchain4_download_file=10cc648683617cca8bcbeae507888099b41b530c.tar.gz
-$(package)_toolchain4_download_path=https://github.com/mingwandroid/toolchain4/archive
-$(package)_toolchain4_file_name=toolchain4-1.tar.gz
-$(package)_toolchain4_sha256_hash=18406961fd4a1ec5c7ea35c91d6a80a2f8bb797a2bd243a610bd75e13eff9aca
-$(package)_clang_download_file=clang+llvm-3.2-x86-linux-ubuntu-12.04.tar.gz
-$(package)_clang_download_path=http://llvm.org/releases/3.2
-$(package)_clang_file_name=clang-llvm-3.2-x86-linux-ubuntu-12.04.tar.gz
-$(package)_clang_sha256_hash=b9d57a88f9514fa1f327a1a703756d0c1c960f4c58494a5bd80313245d13ffff
-
+$(package)_version=ee31ae567931c426136c94aad457c7b51d844beb
+$(package)_download_path=https://github.com/theuni/cctools-port/archive
+$(package)_file_name=$($(package)_version).tar.gz
+$(package)_sha256_hash=ef107e6ab1b3994cb22e14f4f5c59ea0c0b5a988e6b21d42ed9616b018bbcbf9
+$(package)_build_subdir=cctools
+$(package)_clang_version=3.3
+$(package)_clang_download_path=http://llvm.org/releases/$($(package)_clang_version)
+$(package)_clang_download_file=clang+llvm-$($(package)_clang_version)-amd64-Ubuntu-12.04.2.tar.gz
+$(package)_clang_file_name=clang-llvm-$($(package)_clang_version)-amd64-Ubuntu-12.04.2.tar.gz
+$(package)_clang_sha256_hash=60d8f69f032d62ef61bf527857ebb933741ec3352d4d328c5516aa520662dab7
 define $(package)_fetch_cmds
 $(call fetch_file,$(package),$($(package)_download_path),$($(package)_download_file),$($(package)_file_name),$($(package)_sha256_hash)) && \
-$(call fetch_file,$(package),$($(package)_ld64_download_path),$($(package)_ld64_download_file),$($(package)_ld64_file_name),$($(package)_ld64_sha256_hash)) && \
-$(call fetch_file,$(package),$($(package)_dyld_download_path),$($(package)_dyld_download_file),$($(package)_dyld_file_name),$($(package)_dyld_sha256_hash)) && \
-$(call fetch_file,$(package),$($(package)_clang_download_path),$($(package)_clang_download_file),$($(package)_clang_file_name),$($(package)_clang_sha256_hash)) && \
-$(call fetch_file,$(package),$($(package)_toolchain4_download_path),$($(package)_toolchain4_download_file),$($(package)_toolchain4_file_name),$($(package)_toolchain4_sha256_hash))
+$(call fetch_file,$(package),$($(package)_clang_download_path),$($(package)_clang_download_file),$($(package)_clang_file_name),$($(package)_clang_sha256_hash))
+endef
+
+define $(package)_extract_cmds
+  mkdir -p toolchain/bin toolchain/lib/clang/3.5/include && \
+  tar --strip-components=1 -C toolchain -xf $($(package)_source_dir)/$($(package)_clang_file_name) && \
+  echo "#!/bin/sh" > toolchain/bin/$(host)-dsymutil && \
+  echo "exit 0" >> toolchain/bin/$(host)-dsymutil && \
+  chmod +x toolchain/bin/$(host)-dsymutil && \
+  tar --strip-components=1 -xf $($(package)_source)
 endef
 
 define $(package)_set_vars
-$(package)_config_opts=--target=$(host) --with-sysroot=$(OSX_SDK)
-$(package)_cflags+=-m32
-$(package)_cxxflags+=-m32
-$(package)_cppflags+=-D__DARWIN_UNIX03 -D__STDC_CONSTANT_MACROS -D__STDC_LIMIT_MACROS
-$(package)_ldflags+=-m32 -Wl,-rpath=\\$$$$$$$$\$$$$$$$$ORIGIN/../lib
-$(package)_ldflags+=-L$$(native_cctools_extract_dir)/clang+llvm-3.2-x86-linux-ubuntu-12.04/lib
-endef
-define $(package)_extract_cmds
-  tar --strip-components=1 -xf $($(package)_source_dir)/$($(package)_toolchain4_file_name) && \
-  ln -sf $($(package)_source) cctools2odcctools/$($(package)_file_name) && \
-  ln -sf $($(package)_source_dir)/$($(package)_ld64_file_name) cctools2odcctools/$($(package)_ld64_file_name) && \
-  ln -sf $($(package)_source_dir)/$($(package)_dyld_file_name) cctools2odcctools/$($(package)_dyld_file_name) && \
-  tar xf $($(package)_source_dir)/$($(package)_clang_file_name) && \
-  mkdir -p $(SDK_PATH) sdks &&\
-  cd sdks; ln -sf $(OSX_SDK) MacOSX$(OSX_SDK_VERSION).sdk
+$(package)_config_opts=--target=$(host) --disable-libuuid
+$(package)_ldflags+=-Wl,-rpath=\\$$$$$$$$\$$$$$$$$ORIGIN/../lib
+$(package)_cc=$($(package)_extract_dir)/toolchain/bin/clang
+$(package)_cxx=$($(package)_extract_dir)/toolchain/bin/clang++
 endef
 
 define $(package)_preprocess_cmds
-  sed -i "s|GCC_DIR|LLVM_CLANG_DIR|g" cctools2odcctools/extract.sh && \
-  sed -i "s|llvmgcc42-2336.1|clang+llvm-3.2-x86-linux-ubuntu-12.04|g" cctools2odcctools/extract.sh && \
-  sed -i "s|/llvmCore/include/llvm-c|/include/llvm-c \$$$${LLVM_CLANG_DIR}/include/llvm |" cctools2odcctools/extract.sh && \
-  sed -i "s|fAC_INIT|AC_INIT|" cctools2odcctools/files/configure.ac && \
-  sed -i 's/\# Dynamically linked LTO/\t ;\&\n\t linux*)\n# Dynamically linked LTO/' cctools2odcctools/files/configure.ac && \
-  cd cctools2odcctools; ./extract.sh --osxver $(OSX_SDK_VERSION) && \
-  sed -i "s|define\tPC|define\tPC_|" odcctools-809/include/architecture/sparc/reg.h
+  cd $($(package)_build_subdir); ./autogen.sh
 endef
 
 define $(package)_config_cmds
@@ -68,13 +44,13 @@ endef
 
 define $(package)_stage_cmds
   $(MAKE) DESTDIR=$($(package)_staging_dir) install && \
-  cd ../../clang+llvm-3.2-x86-linux-ubuntu-12.04 && \
-  mkdir -p $($(package)_staging_prefix_dir)/lib/clang/3.2/include && \
-  mkdir -p $($(package)_staging_prefix_dir)/bin && \
+  cd $($(package)_extract_dir)/toolchain && \
+  mkdir -p $($(package)_staging_prefix_dir)/lib/clang/$($(package)_clang_version)/include && \
+  mkdir -p $($(package)_staging_prefix_dir)/bin $($(package)_staging_prefix_dir)/include && \
   cp -P bin/clang bin/clang++ $($(package)_staging_prefix_dir)/bin/ &&\
   cp lib/libLTO.so $($(package)_staging_prefix_dir)/lib/ && \
-  cp lib/clang/3.2/include/* $($(package)_staging_prefix_dir)/lib/clang/3.2/include/ && \
-  echo "#!/bin/sh" > $($(package)_staging_prefix_dir)/bin/$(host)-dsymutil && \
-  echo "exit 0" >> $($(package)_staging_prefix_dir)/bin/$(host)-dsymutil && \
-  chmod +x $($(package)_staging_prefix_dir)/bin/$(host)-dsymutil
+  cp -rf lib/clang/$($(package)_clang_version)/include/* $($(package)_staging_prefix_dir)/lib/clang/$($(package)_clang_version)/include/ && \
+  cp bin/$(host)-dsymutil $($(package)_staging_prefix_dir)/bin && \
+  if `test -d include/c++/`; then cp -rf include/c++/ $($(package)_staging_prefix_dir)/include/; fi && \
+  if `test -d lib/c++/`; then cp -rf lib/c++/ $($(package)_staging_prefix_dir)/lib/; fi
 endef
diff --git a/depends/packages/native_libuuid.mk b/depends/packages/native_libuuid.mk
deleted file mode 100644
index b25540f80..000000000
--- a/depends/packages/native_libuuid.mk
+++ /dev/null
@@ -1,24 +0,0 @@
-package:=native_libuuid
-$(package)_version=1.41.14
-$(package)_download_path=http://downloads.sourceforge.net/e2fsprogs
-$(package)_file_name=e2fsprogs-libs-$($(package)_version).tar.gz
-$(package)_sha256_hash=dbc7a138a3218d9b80a0626b5b692d76934d6746d8cbb762751be33785d8d9f5
-
-define $(package)_set_vars
-$(package)_config_opts=--disable-elf-shlibs --disable-uuidd
-$(package)_cflags+=-m32
-$(package)_ldflags+=-m32
-$(package)_cxxflags+=-m32
-endef
-
-define $(package)_config_cmds
-  $($(package)_autoconf)
-endef
-
-define $(package)_build_cmds
-  $(MAKE) -C lib/uuid
-endef
-
-define $(package)_stage_cmds
-  $(MAKE) DESTDIR=$($(package)_staging_dir) -C lib/uuid install
-endef
diff --git a/depends/packages/native_openssl.mk b/depends/packages/native_openssl.mk
deleted file mode 100644
index 1f25d6afc..000000000
--- a/depends/packages/native_openssl.mk
+++ /dev/null
@@ -1,21 +0,0 @@
-package=native_openssl
-$(package)_version=1.0.1h
-$(package)_download_path=https://www.openssl.org/source
-$(package)_file_name=openssl-$($(package)_version).tar.gz
-$(package)_sha256_hash=9d1c8a9836aa63e2c6adb684186cbd4371c9e9dcc01d6e3bb447abf2d4d3d093
-define $(package)_set_vars
-$(package)_build_config_opts= --prefix=$(build_prefix) no-zlib no-shared no-krb5C linux-generic32 -m32
-endef
-
-define $(package)_config_cmds
-  ./Configure $($(package)_build_config_opts) &&\
-  sed -i "s|engines apps test|engines|" Makefile
-endef
-
-define $(package)_build_cmds
-  $(MAKE) -j1
-endef
-
-define $(package)_stage_cmds
-  $(MAKE) INSTALL_PREFIX=$($(package)_staging_dir) -j1 install_sw
-endef
diff --git a/depends/packages/packages.mk b/depends/packages/packages.mk
index bbf53cc2d..08fd8a524 100644
--- a/depends/packages/packages.mk
+++ b/depends/packages/packages.mk
@@ -19,5 +19,5 @@ wallet_packages=bdb
 upnp_packages=miniupnpc
 
 ifneq ($(build_os),darwin)
-darwin_native_packages=native_libuuid native_openssl native_cctools native_cdrkit native_libdmg-hfsplus
+darwin_native_packages=native_cctools native_cdrkit native_libdmg-hfsplus
 endif
diff --git a/depends/packages/qt.mk b/depends/packages/qt.mk
index 6a8e714a4..59c12d22f 100644
--- a/depends/packages/qt.mk
+++ b/depends/packages/qt.mk
@@ -7,7 +7,7 @@ $(package)_dependencies=openssl
 $(package)_linux_dependencies=freetype fontconfig dbus libxcb libX11 xproto libXext
 $(package)_build_subdir=qtbase
 $(package)_qt_libs=corelib network widgets gui plugins testlib
-$(package)_patches=mac-qmake.conf fix-xcb-include-order.patch qt5-tablet-osx.patch
+$(package)_patches=mac-qmake.conf fix-xcb-include-order.patch qt5-tablet-osx.patch qt5-yosemite.patch
 
 define $(package)_set_vars
 $(package)_config_opts_release = -release
@@ -34,7 +34,7 @@ $(package)_config_opts += -qt-libpng -qt-libjpeg -qt-zlib -qt-pcre
 
 ifneq ($(build_os),darwin)
 $(package)_config_opts_darwin = -xplatform macx-clang-linux -device-option MAC_SDK_PATH=$(OSX_SDK) -device-option CROSS_COMPILE="$(host)-"
-$(package)_config_opts_darwin += -device-option MAC_MIN_VERSION=$(OSX_MIN_VERSION) -device-option MAC_TARGET=$(host)
+$(package)_config_opts_darwin += -device-option MAC_MIN_VERSION=$(OSX_MIN_VERSION) -device-option MAC_TARGET=$(host) -device-option MAC_LD64_VERSION=$(LD64_VERSION)
 endif
 
 $(package)_config_opts_linux  = -qt-xkbcommon -qt-xcb  -no-eglfs -no-linuxfb -system-freetype -no-sm -fontconfig -no-xinput2 -no-libudev -no-egl -no-opengl
@@ -56,6 +56,7 @@ define $(package)_preprocess_cmds
   cp -f $($(package)_patch_dir)/mac-qmake.conf qtbase/mkspecs/macx-clang-linux/qmake.conf && \
   patch -p1 < $($(package)_patch_dir)/fix-xcb-include-order.patch && \
   patch -p1 < $($(package)_patch_dir)/qt5-tablet-osx.patch && \
+  patch -d qtbase -p1 < $($(package)_patch_dir)/qt5-yosemite.patch && \
   echo "QMAKE_CFLAGS     += $($(package)_cflags) $($(package)_cppflags)" >> qtbase/mkspecs/common/gcc-base.conf && \
   echo "QMAKE_CXXFLAGS   += $($(package)_cxxflags) $($(package)_cppflags)" >> qtbase/mkspecs/common/gcc-base.conf && \
   echo "QMAKE_LFLAGS     += $($(package)_ldflags)" >> qtbase/mkspecs/common/gcc-base.conf && \
diff --git a/depends/patches/qt/mac-qmake.conf b/depends/patches/qt/mac-qmake.conf
index f7302265b..a97945bc8 100644
--- a/depends/patches/qt/mac-qmake.conf
+++ b/depends/patches/qt/mac-qmake.conf
@@ -15,7 +15,7 @@ QMAKE_MAC_SDK.macosx.platform_name = macosx
 QMAKE_CFLAGS += -target $${MAC_TARGET}
 QMAKE_OBJECTIVE_CFLAGS += $$QMAKE_CFLAGS
 QMAKE_CXXFLAGS += $$QMAKE_CFLAGS
-QMAKE_LFLAGS += -target $${MAC_TARGET}
+QMAKE_LFLAGS += -target $${MAC_TARGET} -mlinker-version=$${MAC_LD64_VERSION}
 QMAKE_AR = $${CROSS_COMPILE}ar cq
 QMAKE_RANLIB=$${CROSS_COMPILE}ranlib
 QMAKE_LIBTOOL=$${CROSS_COMPILE}libtool
diff --git a/depends/patches/qt/qt5-yosemite.patch b/depends/patches/qt/qt5-yosemite.patch
new file mode 100644
index 000000000..d569d34d4
--- /dev/null
+++ b/depends/patches/qt/qt5-yosemite.patch
@@ -0,0 +1,52 @@
+The following patch was taken from upstream:
+https://qt.gitorious.org/qt/qtbase/commit/70e4428b6f1c6a4bad112203f67ee7d22107616c.patch
+
+The first hunk was removed because it conflicts with 5.2.1, and is not currently needed.
+
+From 70e4428b6f1c6a4bad112203f67ee7d22107616c Mon Sep 17 00:00:00 2001
+From: Gabriel de Dietrich <gabriel.dedietrich@digia.com>
+Date: Tue, 3 Jun 2014 14:20:20 +0200
+Subject: [PATCH] Cocoa: Adapt to Xcode 6 clang version sudden pickiness
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Yes, that means OS X Yosemite fix.
+
+Change-Id: I236f7af7b803de24ff0895e04c9a9253b5cfdb3b
+Reviewed-by: Morten Johan Sørvig <morten.sorvig@digia.com>
+---
+ .../platforms/cocoa/qcocoaaccessibilityelement.mm  |    2 +-
+ .../platforms/cocoa/qcocoaapplicationdelegate.mm   |    2 +-
+ src/plugins/platforms/cocoa/qcocoamenuloader.mm    |    2 +-
+ 3 files changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/src/plugins/platforms/cocoa/qcocoaapplicationdelegate.mm b/src/plugins/platforms/cocoa/qcocoaapplicationdelegate.mm
+index f841184..548c6a2 100644
+--- a/src/plugins/platforms/cocoa/qcocoaapplicationdelegate.mm
++++ b/src/plugins/platforms/cocoa/qcocoaapplicationdelegate.mm
+@@ -124,7 +124,7 @@ static void cleanupCocoaApplicationDelegate()
+     [dockMenu release];
+     [qtMenuLoader release];
+     if (reflectionDelegate) {
+-        [NSApp setDelegate:reflectionDelegate];
++        [[NSApplication sharedApplication] setDelegate:reflectionDelegate];
+         [reflectionDelegate release];
+     }
+     [[NSNotificationCenter defaultCenter] removeObserver:self];
+diff --git a/src/plugins/platforms/cocoa/qcocoamenuloader.mm b/src/plugins/platforms/cocoa/qcocoamenuloader.mm
+index 60bc3b5..9340e94 100644
+--- a/src/plugins/platforms/cocoa/qcocoamenuloader.mm
++++ b/src/plugins/platforms/cocoa/qcocoamenuloader.mm
+@@ -174,7 +174,7 @@ QT_END_NAMESPACE
+ - (void)removeActionsFromAppMenu
+ {
+     for (NSMenuItem *item in [appMenu itemArray])
+-        [item setTag:nil];
++        [item setTag:0];
+ }
+ 
+ - (void)dealloc
+-- 
+1.7.1
+