gitian: Windows 64 bit support

- Build a 64 bit version of all dependencies
- Show 32/64 bit version in "About..." for x86
- Export 64-bit .exes and installer from gitian build

12 files changed, 451 insertions, 362 deletions

diff --git a/contrib/gitian-descriptors/boost-win.yml b/contrib/gitian-descriptors/boost-win.yml
new file mode 100644
index 0000000000..15aeccf543
--- /dev/null
+++ b/contrib/gitian-descriptors/boost-win.yml
@@ -0,0 +1,79 @@
+---
+name: "boost"
+suites:
+- "precise"
+architectures:
+- "amd64"
+packages:
+- "mingw-w64"
+- "g++-mingw-w64"
+- "faketime"
+- "zip"
+reference_datetime: "2011-01-30 00:00:00"
+remotes: []
+files:
+- "boost_1_55_0.tar.bz2"
+- "boost-mingw-gas-cross-compile-2013-03-03.patch"
+script: |
+  # Defines
+  export TZ=UTC
+  INDIR=$HOME/build
+  # Input Integrity Check
+  echo "fff00023dd79486d444c8e29922f4072e1d451fc5a4d2b6075852ead7f2b7b52  boost_1_55_0.tar.bz2" | shasum -c
+  echo "d2b7f6a1d7051faef3c9cf41a92fa3671d905ef1e1da920d07651a43299f6268  boost-mingw-gas-cross-compile-2013-03-03.patch" | shasum -c
+
+  for BITS in 32 64; do # for architectures
+    #
+    INSTALLPREFIX=$HOME/staging${BITS}
+    BUILDDIR=$HOME/build${BITS}
+    if [ "$BITS" == "32" ]; then
+      HOST=i686-w64-mingw32
+    else
+      HOST=x86_64-w64-mingw32
+    fi
+    #
+    mkdir -p $INSTALLPREFIX $BUILDDIR
+    cd $BUILDDIR
+    #
+    tar xjf $INDIR/boost_1_55_0.tar.bz2
+    cd boost_1_55_0
+    GCCVERSION=$($HOST-g++ -E -dM $(mktemp --suffix=.h) | grep __VERSION__ | cut -d ' ' -f 3 | cut -d '"' -f 2)
+    echo "using gcc : $GCCVERSION : $HOST-g++
+        :
+        <rc>$HOST-windres
+        <archiver>$HOST-ar
+        <cxxflags>-frandom-seed=boost1
+        <ranlib>$HOST-ranlib
+  ;" > user-config.jam
+    ./bootstrap.sh --without-icu
+
+    # Workaround: Upstream boost dev refuses to include patch that would allow Free Software cross-compile toolchain to work
+    #             This patch was authored by the Fedora package developer and ships in Fedora's mingw32-boost.
+    #             Please obtain the exact patch that matches the above sha256sum from one of the following mirrors.
+    #
+    # Read History:   https://svn.boost.org/trac/boost/ticket/7262
+    # History Mirror: http://rose.makesad.us/~paulproteus/mirrors/7262%20Boost.Context%20fails%20to%20build%20using%20MinGW.html
+    #
+    # Patch:          https://svn.boost.org/trac/boost/raw-attachment/ticket/7262/boost-mingw.patch
+    # Patch Mirror:   http://wtogami.fedorapeople.org/boost-mingw-gas-cross-compile-2013-03-03.patch
+    # Patch Mirror:   http://mindstalk.net/host/boost-mingw-gas-cross-compile-2013-03-03.patch
+    # Patch Mirror:   http://rose.makesad.us/~paulproteus/mirrors/boost-mingw-gas-cross-compile-2013-03-03.patch
+    patch -p0 < $INDIR/boost-mingw-gas-cross-compile-2013-03-03.patch
+
+    # Bug Workaround: boost-1.54.0 broke the ability to disable zlib, still broken in 1.55
+    # https://svn.boost.org/trac/boost/ticket/9156
+    sed -i 's^\[ ac.check-library /zlib//zlib : <library>/zlib//zlib^^' libs/iostreams/build/Jamfile.v2
+    sed -i 's^<source>zlib.cpp <source>gzip.cpp \]^^' libs/iostreams/build/Jamfile.v2
+
+    # http://statmt.org/~s0565741/software/boost_1_52_0/libs/context/doc/html/context/requirements.html
+    # "For cross-compiling the lib you must specify certain additional properties at bjam command line: target-os, abi, binary-format, architecture and address-model."
+    ./bjam toolset=gcc binary-format=pe target-os=windows threadapi=win32 address-model=$BITS threading=multi variant=release link=static runtime-link=static --user-config=user-config.jam --without-mpi --without-python -sNO_BZIP2=1 -sNO_ZLIB=1 --layout=tagged --build-type=complete --prefix="$INSTALLPREFIX" $MAKEOPTS install
+    #
+    cd "$INSTALLPREFIX"
+    export LD_PRELOAD=/usr/lib/faketime/libfaketime.so.1
+    export FAKETIME=$REFERENCE_DATETIME
+    zip -r $OUTDIR/boost-win$BITS-1.55.0-gitian-r6.zip *
+    unset LD_PRELOAD
+    unset FAKETIME
+  done # for BITS in
+
diff --git a/contrib/gitian-descriptors/boost-win32.yml b/contrib/gitian-descriptors/boost-win32.yml
deleted file mode 100644
index 55e74ce3e1..0000000000
--- a/contrib/gitian-descriptors/boost-win32.yml
+++ /dev/null
@@ -1,65 +0,0 @@
----
-name: "boost"
-suites:
-- "precise"
-architectures:
-- "amd64"
-packages:
-- "mingw-w64"
-- "g++-mingw-w64"
-- "faketime"
-- "zip"
-reference_datetime: "2011-01-30 00:00:00"
-remotes: []
-files:
-- "boost_1_55_0.tar.bz2"
-- "boost-mingw-gas-cross-compile-2013-03-03.patch"
-script: |
-  # Defines
-  INSTALLPREFIX="$HOME/install"
-  HOST=i686-w64-mingw32
-  # Input Integrity Check
-  echo "fff00023dd79486d444c8e29922f4072e1d451fc5a4d2b6075852ead7f2b7b52  boost_1_55_0.tar.bz2" | shasum -c
-  echo "d2b7f6a1d7051faef3c9cf41a92fa3671d905ef1e1da920d07651a43299f6268  boost-mingw-gas-cross-compile-2013-03-03.patch" | shasum -c
-
-  mkdir -p "$INSTALLPREFIX"
-  tar xjf boost_1_55_0.tar.bz2
-  cd boost_1_55_0
-  GCCVERSION=$($HOST-g++ -E -dM $(mktemp --suffix=.h) | grep __VERSION__ | cut -d ' ' -f 3 | cut -d '"' -f 2)
-  echo "using gcc : $GCCVERSION : $HOST-g++
-        :
-        <rc>$HOST-windres
-        <archiver>$HOST-ar
-        <cxxflags>-frandom-seed=boost1
-        <ranlib>$HOST-ranlib
-  ;" > user-config.jam
-  ./bootstrap.sh --without-icu
-
-  # Workaround: Upstream boost dev refuses to include patch that would allow Free Software cross-compile toolchain to work
-  #             This patch was authored by the Fedora package developer and ships in Fedora's mingw32-boost.
-  #             Please obtain the exact patch that matches the above sha256sum from one of the following mirrors.
-  #
-  # Read History:   https://svn.boost.org/trac/boost/ticket/7262
-  # History Mirror: http://rose.makesad.us/~paulproteus/mirrors/7262%20Boost.Context%20fails%20to%20build%20using%20MinGW.html
-  #
-  # Patch:          https://svn.boost.org/trac/boost/raw-attachment/ticket/7262/boost-mingw.patch
-  # Patch Mirror:   http://wtogami.fedorapeople.org/boost-mingw-gas-cross-compile-2013-03-03.patch
-  # Patch Mirror:   http://mindstalk.net/host/boost-mingw-gas-cross-compile-2013-03-03.patch
-  # Patch Mirror:   http://rose.makesad.us/~paulproteus/mirrors/boost-mingw-gas-cross-compile-2013-03-03.patch
-  patch -p0 < ../boost-mingw-gas-cross-compile-2013-03-03.patch
-
-  # Bug Workaround: boost-1.54.0 broke the ability to disable zlib, still broken in 1.55
-  # https://svn.boost.org/trac/boost/ticket/9156
-  sed -i 's^\[ ac.check-library /zlib//zlib : <library>/zlib//zlib^^' libs/iostreams/build/Jamfile.v2
-  sed -i 's^<source>zlib.cpp <source>gzip.cpp \]^^' libs/iostreams/build/Jamfile.v2
-
-  # http://statmt.org/~s0565741/software/boost_1_52_0/libs/context/doc/html/context/requirements.html
-  # Note: Might need these options in the future for 64bit builds.
-  # "Please note that address-model=64 must be given to bjam command line on 64bit Windows for 64bit build; otherwise 32bit code will be generated."
-  # "For cross-compiling the lib you must specify certain additional properties at bjam command line: target-os, abi, binary-format, architecture and address-model."
-  ./bjam toolset=gcc binary-format=pe target-os=windows threadapi=win32 threading=multi variant=release link=static runtime-link=static --user-config=user-config.jam --without-mpi --without-python -sNO_BZIP2=1 -sNO_ZLIB=1 --layout=tagged --build-type=complete --prefix="$INSTALLPREFIX" $MAKEOPTS install
-
-  cd "$INSTALLPREFIX"
-  export LD_PRELOAD=/usr/lib/faketime/libfaketime.so.1
-  export FAKETIME=$REFERENCE_DATETIME
-  zip -r $OUTDIR/boost-win32-1.55.0-gitian-r6.zip *
diff --git a/contrib/gitian-descriptors/deps-win.yml b/contrib/gitian-descriptors/deps-win.yml
new file mode 100644
index 0000000000..ce7acc1e6a
--- /dev/null
+++ b/contrib/gitian-descriptors/deps-win.yml
@@ -0,0 +1,117 @@
+---
+name: "bitcoin-deps"
+suites:
+- "precise"
+architectures:
+- "amd64"
+packages:
+- "mingw-w64"
+- "g++-mingw-w64"
+- "git-core"
+- "zip"
+- "faketime"
+- "psmisc"
+reference_datetime: "2011-01-30 00:00:00"
+remotes: []
+files:
+- "openssl-1.0.1e.tar.gz"
+- "db-4.8.30.NC.tar.gz"
+- "miniupnpc-1.8.tar.gz"
+- "zlib-1.2.8.tar.gz"
+- "libpng-1.6.8.tar.gz"
+- "qrencode-3.4.3.tar.bz2"
+script: |
+  #
+  export LD_PRELOAD=/usr/lib/faketime/libfaketime.so.1
+  export FAKETIME=$REFERENCE_DATETIME
+  export TZ=UTC
+  INDIR=$HOME/build
+  # Input Integrity Check
+  echo "f74f15e8c8ff11aa3d5bb5f276d202ec18d7246e95f961db76054199c69c1ae3  openssl-1.0.1e.tar.gz"  | sha256sum -c
+  echo "12edc0df75bf9abd7f82f821795bcee50f42cb2e5f76a6a281b85732798364ef  db-4.8.30.NC.tar.gz"    | sha256sum -c
+  echo "bc5f73c7b0056252c1888a80e6075787a1e1e9112b808f863a245483ff79859c  miniupnpc-1.8.tar.gz"   | sha256sum -c
+  echo "36658cb768a54c1d4dec43c3116c27ed893e88b02ecfcb44f2166f9c0b7f2a0d  zlib-1.2.8.tar.gz"      | sha256sum -c
+  echo "32c7acf1608b9c8b71b743b9780adb7a7b347563dbfb4a5263761056da44cc96  libpng-1.6.8.tar.gz"    | sha256sum -c
+  echo "dfd71487513c871bad485806bfd1fdb304dedc84d2b01a8fb8e0940b50597a98  qrencode-3.4.3.tar.bz2" | sha256sum -c
+
+  for BITS in 32 64; do # for architectures
+    #
+    INSTALLPREFIX=$HOME/staging${BITS}
+    BUILDDIR=$HOME/build${BITS}
+    if [ "$BITS" == "32" ]; then
+      HOST=i686-w64-mingw32
+    else
+      HOST=x86_64-w64-mingw32
+    fi
+    #
+    mkdir -p $INSTALLPREFIX $BUILDDIR
+    cd $BUILDDIR
+    #
+    tar xzf $INDIR/openssl-1.0.1e.tar.gz
+    cd openssl-1.0.1e
+    if [ "$BITS" == "32" ]; then
+      OPENSSL_TGT=mingw
+    else
+      OPENSSL_TGT=mingw64
+    fi
+    ./Configure --cross-compile-prefix=$HOST- ${OPENSSL_TGT} no-shared no-dso --openssldir=$INSTALLPREFIX
+    make
+    make install_sw
+    cd ..
+    #
+    tar xzf $INDIR/db-4.8.30.NC.tar.gz
+    cd db-4.8.30.NC/build_unix
+    ../dist/configure --prefix=$INSTALLPREFIX --enable-mingw --enable-cxx --host=$HOST --disable-shared
+    make $MAKEOPTS library_build
+    make install_lib install_include
+    cd ../..
+    #
+    tar xzf $INDIR/miniupnpc-1.8.tar.gz
+    cd miniupnpc-1.8
+    echo "
+  --- miniupnpc-1.8/Makefile.mingw.orig   2013-09-29 18:52:51.014087958 -1000
+  +++ miniupnpc-1.8/Makefile.mingw        2013-09-29 19:09:29.663318691 -1000
+  @@ -67,8 +67,8 @@
+   
+   wingenminiupnpcstrings.o:	wingenminiupnpcstrings.c
+   
+  -miniupnpcstrings.h: miniupnpcstrings.h.in wingenminiupnpcstrings
+  -	wingenminiupnpcstrings \$< \$@
+  +miniupnpcstrings.h: miniupnpcstrings.h.in 
+  +	sed -e 's|OS/version|MSWindows/5.1.2600|' -e 's|MINIUPNPC_VERSION_STRING \"version\"|MINIUPNPC_VERSION_STRING \"VERSIONHERE\"|' \$< > \$@
+   
+   minixml.o:	minixml.c minixml.h miniupnpcstrings.h
+   
+  " | sed "s/VERSIONHERE/$(cat VERSION)/" | patch -p1
+    mkdir -p dll
+    make -f Makefile.mingw CC=$HOST-gcc AR=$HOST-ar libminiupnpc.a
+    install -d $INSTALLPREFIX/include/miniupnpc
+    install *.h $INSTALLPREFIX/include/miniupnpc
+    install libminiupnpc.a  $INSTALLPREFIX/lib
+    cd ..
+    #
+    tar xzf $INDIR/zlib-1.2.8.tar.gz
+    cd zlib-1.2.8
+    CROSS_PREFIX=$HOST- ./configure --prefix=$INSTALLPREFIX --static
+    make
+    make install
+    cd ..
+    #
+    tar xzf $INDIR/libpng-1.6.8.tar.gz
+    cd libpng-1.6.8
+    OPT="-O2"
+    CPPFLAGS="${OPT} -I$INSTALLPREFIX/include" CFLAGS="${OPT} -I$INSTALLPREFIX/include" LDFLAGS="${OPT} -L$INSTALLPREFIX/lib" ./configure --disable-shared --prefix=$INSTALLPREFIX --host=$HOST
+    make $MAKEOPTS
+    make install
+    cd ..
+    #
+    tar xjf $INDIR/qrencode-3.4.3.tar.bz2
+    cd qrencode-3.4.3
+    png_CFLAGS="-I$INSTALLPREFIX/include" png_LIBS="-L$INSTALLPREFIX/lib -lpng" ./configure --prefix=$INSTALLPREFIX --host=$HOST
+    make
+    make install
+    cd ..
+    #
+    cd $INSTALLPREFIX
+    zip -r $OUTDIR/bitcoin-deps-win$BITS-gitian-r10.zip include lib
+  done # for BITS in
diff --git a/contrib/gitian-descriptors/deps-win32.yml b/contrib/gitian-descriptors/deps-win32.yml
deleted file mode 100644
index 12b9dfc70c..0000000000
--- a/contrib/gitian-descriptors/deps-win32.yml
+++ /dev/null
@@ -1,101 +0,0 @@
----
-name: "bitcoin-deps"
-suites:
-- "precise"
-architectures:
-- "amd64"
-packages:
-- "mingw-w64"
-- "g++-mingw-w64"
-- "git-core"
-- "zip"
-- "faketime"
-- "psmisc"
-reference_datetime: "2011-01-30 00:00:00"
-remotes: []
-files:
-- "openssl-1.0.1e.tar.gz"
-- "db-4.8.30.NC.tar.gz"
-- "miniupnpc-1.8.tar.gz"
-- "zlib-1.2.8.tar.gz"
-- "libpng-1.6.8.tar.gz"
-- "qrencode-3.4.3.tar.bz2"
-script: |
-  #
-  export LD_PRELOAD=/usr/lib/faketime/libfaketime.so.1
-  export FAKETIME=$REFERENCE_DATETIME
-  export TZ=UTC
-  export INSTALLPREFIX=$OUTDIR/staging/deps
-  export HOST=i686-w64-mingw32
-  # Input Integrity Check
-  echo "f74f15e8c8ff11aa3d5bb5f276d202ec18d7246e95f961db76054199c69c1ae3  openssl-1.0.1e.tar.gz"  | sha256sum -c
-  echo "12edc0df75bf9abd7f82f821795bcee50f42cb2e5f76a6a281b85732798364ef  db-4.8.30.NC.tar.gz"    | sha256sum -c
-  echo "bc5f73c7b0056252c1888a80e6075787a1e1e9112b808f863a245483ff79859c  miniupnpc-1.8.tar.gz"   | sha256sum -c
-  echo "36658cb768a54c1d4dec43c3116c27ed893e88b02ecfcb44f2166f9c0b7f2a0d  zlib-1.2.8.tar.gz"      | sha256sum -c
-  echo "32c7acf1608b9c8b71b743b9780adb7a7b347563dbfb4a5263761056da44cc96  libpng-1.6.8.tar.gz"    | sha256sum -c
-  echo "dfd71487513c871bad485806bfd1fdb304dedc84d2b01a8fb8e0940b50597a98  qrencode-3.4.3.tar.bz2" | sha256sum -c
-
-  mkdir -p $INSTALLPREFIX
-
-  tar xzf openssl-1.0.1e.tar.gz
-  cd openssl-1.0.1e
-  ./Configure --cross-compile-prefix=$HOST- mingw --openssldir=$INSTALLPREFIX
-  make
-  make install_sw
-  cd ..
-  #
-  tar xzf db-4.8.30.NC.tar.gz
-  cd db-4.8.30.NC/build_unix
-  ../dist/configure --prefix=$INSTALLPREFIX --enable-mingw --enable-cxx --host=$HOST --disable-shared
-  make $MAKEOPTS library_build
-  make install_lib install_include
-  cd ../..
-  #
-  tar xzf miniupnpc-1.8.tar.gz
-  cd miniupnpc-1.8
-  echo "
-  --- miniupnpc-1.8/Makefile.mingw.orig   2013-09-29 18:52:51.014087958 -1000
-  +++ miniupnpc-1.8/Makefile.mingw        2013-09-29 19:09:29.663318691 -1000
-  @@ -67,8 +67,8 @@
-   
-   wingenminiupnpcstrings.o:	wingenminiupnpcstrings.c
-   
-  -miniupnpcstrings.h: miniupnpcstrings.h.in wingenminiupnpcstrings
-  -	wingenminiupnpcstrings \$< \$@
-  +miniupnpcstrings.h: miniupnpcstrings.h.in 
-  +	sed -e 's|OS/version|MSWindows/5.1.2600|' -e 's|MINIUPNPC_VERSION_STRING \"version\"|MINIUPNPC_VERSION_STRING \"VERSIONHERE\"|' \$< > \$@
-   
-   minixml.o:	minixml.c minixml.h miniupnpcstrings.h
-   
-  " | sed "s/VERSIONHERE/$(cat VERSION)/" | patch -p1
-  mkdir -p dll
-  make -f Makefile.mingw CC=$HOST-gcc AR=$HOST-ar libminiupnpc.a
-  install -d $INSTALLPREFIX/include/miniupnpc
-  install *.h $INSTALLPREFIX/include/miniupnpc
-  install libminiupnpc.a  $INSTALLPREFIX/lib
-  cd ..
-  #
-  tar xzf zlib-1.2.8.tar.gz
-  cd zlib-1.2.8
-  CROSS_PREFIX=$HOST- ./configure --prefix=$INSTALLPREFIX --static
-  make
-  make install
-  cd ..
-  #
-  tar xzf libpng-1.6.8.tar.gz
-  cd libpng-1.6.8
-  OPT="-O2"
-  CPPFLAGS="${OPT} -I$INSTALLPREFIX/include" CFLAGS="${OPT} -I$INSTALLPREFIX/include" LDFLAGS="${OPT} -L$INSTALLPREFIX/lib" ./configure --disable-shared --prefix=$INSTALLPREFIX --host=$HOST
-  make $MAKEOPTS
-  make install
-  cd ..
-  #
-  tar xjf qrencode-3.4.3.tar.bz2
-  cd qrencode-3.4.3
-  png_CFLAGS="-I$INSTALLPREFIX/include" png_LIBS="-L$INSTALLPREFIX/lib -lpng" ./configure --prefix=$INSTALLPREFIX --host=$HOST
-  make
-  make install
-  cd ..
-  #
-  cd $INSTALLPREFIX
-  zip -r $OUTDIR/bitcoin-deps-win32-gitian-r10.zip include lib
diff --git a/contrib/gitian-descriptors/gitian-win.yml b/contrib/gitian-descriptors/gitian-win.yml
new file mode 100644
index 0000000000..9364db4ef7
--- /dev/null
+++ b/contrib/gitian-descriptors/gitian-win.yml
@@ -0,0 +1,84 @@
+---
+name: "bitcoin"
+suites:
+- "precise"
+architectures:
+- "amd64"
+packages:
+- "mingw-w64"
+- "g++-mingw-w64"
+- "git-core"
+- "unzip"
+- "nsis"
+- "faketime"
+- "autoconf2.13"
+- "libtool"
+- "automake"
+- "pkg-config"
+- "bsdmainutils"
+
+reference_datetime: "2013-06-01 00:00:00"
+remotes:
+- "url": "https://github.com/bitcoin/bitcoin.git"
+  "dir": "bitcoin"
+files:
+- "qt-win32-5.2.0-gitian-r1.zip"
+- "qt-win64-5.2.0-gitian-r1.zip"
+- "boost-win32-1.55.0-gitian-r6.zip"
+- "boost-win64-1.55.0-gitian-r6.zip"
+- "bitcoin-deps-win32-gitian-r10.zip"
+- "bitcoin-deps-win64-gitian-r10.zip"
+- "protobuf-win32-2.5.0-gitian-r4.zip"
+- "protobuf-win64-2.5.0-gitian-r4.zip"
+script: |
+  # Defines
+  export TZ=UTC
+  INDIR=$HOME/build
+  OPTFLAGS='-O2'
+  NEEDDIST=1
+  for BITS in 32 64; do # for architectures
+    #
+    STAGING=$HOME/staging${BITS}
+    BUILDDIR=$HOME/build${BITS}
+    BINDIR=$OUTDIR/$BITS
+    if [ "$BITS" == "32" ]; then
+      HOST=i686-w64-mingw32
+    else
+      HOST=x86_64-w64-mingw32
+    fi
+    mkdir -p $STAGING $BUILDDIR $BINDIR
+    #
+    cd $STAGING
+    unzip $INDIR/qt-win${BITS}-5.2.0-gitian-r1.zip
+    unzip $INDIR/boost-win${BITS}-1.55.0-gitian-r6.zip
+    unzip $INDIR/bitcoin-deps-win${BITS}-gitian-r10.zip
+    unzip $INDIR/protobuf-win${BITS}-2.5.0-gitian-r4.zip
+    if [ "$NEEDDIST" == "1" ]; then
+      # Make source code archive which is architecture independent so it only needs to be done once
+      cd $HOME/build/
+      cd bitcoin
+      export PATH=$STAGING/host/bin:$PATH
+      export TAR_OPTIONS=--mtime=`echo $REFERENCE_DATETIME | awk '{ print $1 }'`
+      ./autogen.sh
+      ./configure --bindir=$OUTDIR --prefix=$STAGING --host=$HOST --with-qt-plugindir=$STAGING/plugins  --with-qt-incdir=$STAGING/include --with-qt-bindir=$STAGING/host/bin --with-boost=$STAGING --disable-maintainer-mode --with-protoc-bindir=$STAGING/host/bin --disable-dependency-tracking CPPFLAGS="-I$STAGING/include ${OPTFLAGS}" LDFLAGS="-L$STAGING/lib ${OPTFLAGS}" CXXFLAGS="-frandom-seed=bitcoin ${OPTFLAGS}"
+      make dist
+      mkdir -p $OUTDIR/src
+      cp -f bitcoin-*.tar.* $OUTDIR/src
+      NEEDDIST=0
+    fi
+    # Build platform-dependent executables from source archive
+    cd $BUILDDIR
+    mkdir -p distsrc
+    cd distsrc
+    tar --strip-components=1 -xf $HOME/build/bitcoin/bitcoin-*.tar.*
+    ./configure --bindir=$BINDIR --prefix=$STAGING --host=$HOST --with-qt-plugindir=$STAGING/plugins  --with-qt-incdir=$STAGING/include --with-qt-bindir=$STAGING/host/bin --with-boost=$STAGING --disable-maintainer-mode --with-protoc-bindir=$STAGING/host/bin --disable-dependency-tracking CPPFLAGS="-I$STAGING/include ${OPTFLAGS}" LDFLAGS="-L$STAGING/lib ${OPTFLAGS}" CXXFLAGS="-frandom-seed=bitcoin ${OPTFLAGS}"
+    export LD_PRELOAD=/usr/lib/faketime/libfaketime.so.1
+    export FAKETIME=$REFERENCE_DATETIME
+    make $MAKEOPTS
+    make deploy
+    make install-strip
+    cp -f bitcoin-*setup*.exe $BINDIR/
+    unset LD_PRELOAD
+    unset FAKETIME
+  done # for BITS in
+
diff --git a/contrib/gitian-descriptors/gitian-win32.yml b/contrib/gitian-descriptors/gitian-win32.yml
deleted file mode 100644
index eac74272c5..0000000000
--- a/contrib/gitian-descriptors/gitian-win32.yml
+++ /dev/null
@@ -1,62 +0,0 @@
----
-name: "bitcoin"
-suites:
-- "precise"
-architectures:
-- "amd64"
-packages:
-- "mingw-w64"
-- "g++-mingw-w64"
-- "git-core"
-- "unzip"
-- "nsis"
-- "faketime"
-- "autoconf2.13"
-- "libtool"
-- "automake"
-- "pkg-config"
-- "bsdmainutils"
-
-reference_datetime: "2013-06-01 00:00:00"
-remotes:
-- "url": "https://github.com/bitcoin/bitcoin.git"
-  "dir": "bitcoin"
-files:
-- "qt-win32-5.2.0-gitian-r1.zip"
-- "boost-win32-1.55.0-gitian-r6.zip"
-- "bitcoin-deps-win32-gitian-r10.zip"
-- "protobuf-win32-2.5.0-gitian-r4.zip"
-script: |
-  #
-  STAGING=$HOME/staging
-  HOST=i686-w64-mingw32
-  OPTFLAGS='-O2'
-  #
-  mkdir -p $STAGING
-  cd $STAGING
-  unzip ../build/qt-win32-5.2.0-gitian-r1.zip
-  unzip ../build/boost-win32-1.55.0-gitian-r6.zip
-  unzip ../build/bitcoin-deps-win32-gitian-r10.zip
-  unzip ../build/protobuf-win32-2.5.0-gitian-r4.zip
-  cd $HOME/build/
-  #
-  cd bitcoin
-  export PATH=$STAGING/host/bin:$PATH
-  export TAR_OPTIONS=--mtime=`echo $REFERENCE_DATETIME | awk '{ print $1 }'`
-  ./autogen.sh
-  ./configure --bindir=$OUTDIR --prefix=$STAGING --host=$HOST --with-qt-plugindir=$STAGING/plugins  --with-qt-incdir=$STAGING/include --with-qt-bindir=$STAGING/host/bin --with-boost=$STAGING --disable-maintainer-mode --with-protoc-bindir=$STAGING/host/bin --disable-dependency-tracking CPPFLAGS="-I$STAGING/include ${OPTFLAGS}" LDFLAGS="-L$STAGING/lib ${OPTFLAGS}" CXXFLAGS="-frandom-seed=bitcoin ${OPTFLAGS}"
-  make dist
-  mkdir -p distsrc
-  cd distsrc
-  tar --strip-components=1 -xf ../bitcoin-*.tar.*
-  ./configure --bindir=$OUTDIR --prefix=$STAGING --host=i686-w64-mingw32 --with-qt-plugindir=$STAGING/plugins  --with-qt-incdir=$STAGING/include --with-qt-bindir=$STAGING/host/bin --with-boost=$STAGING --disable-maintainer-mode --with-protoc-bindir=$STAGING/host/bin --disable-dependency-tracking CPPFLAGS="-I$STAGING/include ${OPTFLAGS}" LDFLAGS="-L$STAGING/lib ${OPTFLAGS}" CXXFLAGS="-frandom-seed=bitcoin ${OPTFLAGS}"
-  export LD_PRELOAD=/usr/lib/faketime/libfaketime.so.1
-  export FAKETIME=$REFERENCE_DATETIME
-  export TZ=UTC
-  make $MAKEOPTS
-  make deploy
-  make install-strip
-  cp -f bitcoin-*setup*.exe $OUTDIR/
-
-  mkdir -p $OUTDIR/src
-  cp -f ../bitcoin-*.tar.* $OUTDIR/src
diff --git a/contrib/gitian-descriptors/protobuf-win.yml b/contrib/gitian-descriptors/protobuf-win.yml
new file mode 100644
index 0000000000..7fcac72fea
--- /dev/null
+++ b/contrib/gitian-descriptors/protobuf-win.yml
@@ -0,0 +1,56 @@
+---
+name: "protobuf-win32"
+suites:
+- "precise"
+architectures:
+- "amd64"
+packages:
+- "mingw-w64"
+- "g++-mingw-w64"
+- "zip"
+- "faketime"
+reference_datetime: "2013-04-15 00:00:00"
+remotes: []
+files:
+- "protobuf-2.5.0.tar.bz2"
+script: |
+  #
+  export TZ=UTC
+  INDIR=$HOME/build
+  OPTFLAGS="-O2"
+  # Integrity Check
+  echo "13bfc5ae543cf3aa180ac2485c0bc89495e3ae711fc6fab4f8ffe90dfb4bb677  protobuf-2.5.0.tar.bz2" | sha256sum -c
+
+  for BITS in 32 64; do # for architectures
+    #
+    INSTALLPREFIX=$HOME/staging${BITS}
+    BUILDDIR=$HOME/build${BITS}
+    if [ "$BITS" == "32" ]; then
+      HOST=i686-w64-mingw32
+    else
+      HOST=x86_64-w64-mingw32
+    fi
+    #
+    mkdir -p $INSTALLPREFIX $BUILDDIR
+    cd $BUILDDIR
+    #
+    tar xjf $INDIR/protobuf-2.5.0.tar.bz2
+    cd protobuf-2.5.0
+    # First: build a native (linux) protoc
+    ./configure --enable-shared=no --disable-dependency-tracking
+    make
+    mkdir -p $INSTALLPREFIX/host/bin
+    cp src/protoc $INSTALLPREFIX/host/bin
+    # Now recompile with the mingw cross-compiler:
+    make distclean
+    ./configure --prefix=$INSTALLPREFIX --enable-shared=no --disable-dependency-tracking --with-protoc=$INSTALLPREFIX/host/bin/protoc --host=$HOST CXXFLAGS="-frandom-seed=11 ${OPTFLAGS}"
+    make
+    make install
+    #
+    cd $INSTALLPREFIX
+    export LD_PRELOAD=/usr/lib/faketime/libfaketime.so.1
+    export FAKETIME=$REFERENCE_DATETIME
+    zip -r $OUTDIR/protobuf-win$BITS-2.5.0-gitian-r4.zip include lib host
+    unset LD_PRELOAD
+    unset FAKETIME
+  done # for BITS in
diff --git a/contrib/gitian-descriptors/protobuf-win32.yml b/contrib/gitian-descriptors/protobuf-win32.yml
deleted file mode 100644
index e93f92bbfe..0000000000
--- a/contrib/gitian-descriptors/protobuf-win32.yml
+++ /dev/null
@@ -1,45 +0,0 @@
----
-name: "protobuf-win32"
-suites:
-- "precise"
-architectures:
-- "amd64"
-packages:
-- "mingw-w64"
-- "g++-mingw-w64"
-- "zip"
-- "faketime"
-reference_datetime: "2013-04-15 00:00:00"
-remotes: []
-files:
-- "protobuf-2.5.0.tar.bz2"
-script: |
-  #
-  export TZ=UTC
-  export INSTALLPREFIX=$OUTDIR/staging/deps
-  export HOST=i686-w64-mingw32
-  OPTFLAGS="-O2"
-  # Integrity Check
-  echo "13bfc5ae543cf3aa180ac2485c0bc89495e3ae711fc6fab4f8ffe90dfb4bb677  protobuf-2.5.0.tar.bz2" | sha256sum -c
-
-  #
-  mkdir -p $INSTALLPREFIX
-
-  tar xjf protobuf-2.5.0.tar.bz2
-  cd protobuf-2.5.0
-  # First: build a native (linux) protoc
-  ./configure --enable-shared=no --disable-dependency-tracking
-  make
-  mkdir -p $INSTALLPREFIX/host/bin
-  cp src/protoc $INSTALLPREFIX/host/bin
-  # Now recompile with the mingw cross-compiler:
-  make distclean
-  ./configure --prefix=$INSTALLPREFIX --enable-shared=no --disable-dependency-tracking --with-protoc=$INSTALLPREFIX/host/bin/protoc --host=$HOST CXXFLAGS="-frandom-seed=11 ${OPTFLAGS}"
-  make
-  make install
-  cd $INSTALLPREFIX
-  export LD_PRELOAD=/usr/lib/faketime/libfaketime.so.1
-  export FAKETIME=$REFERENCE_DATETIME
-  zip -r $OUTDIR/protobuf-win32-2.5.0-gitian-r4.zip include lib host
-  unset LD_PRELOAD
-  unset FAKETIME
diff --git a/contrib/gitian-descriptors/qt-win.yml b/contrib/gitian-descriptors/qt-win.yml
new file mode 100644
index 0000000000..3b9aeeb19f
--- /dev/null
+++ b/contrib/gitian-descriptors/qt-win.yml
@@ -0,0 +1,77 @@
+---
+name: "qt"
+suites:
+- "precise"
+architectures:
+- "amd64"
+packages: 
+- "mingw-w64"
+- "g++-mingw-w64"
+- "zip"
+- "unzip"
+- "faketime"
+- "libz-dev"
+reference_datetime: "2011-01-30 00:00:00"
+remotes: []
+files:
+- "qt-everywhere-opensource-src-5.2.0.tar.gz"
+- "bitcoin-deps-win32-gitian-r10.zip"
+- "bitcoin-deps-win64-gitian-r10.zip"
+script: |
+  # Defines
+  export TZ=UTC
+  INDIR=$HOME/build
+  # Integrity Check
+  echo "395ec72277c5786c65b8163ef5817fd03d0a1f524a6d47f53624baf8056f1081  qt-everywhere-opensource-src-5.2.0.tar.gz" | sha256sum -c
+
+  for BITS in 32 64; do # for architectures
+    #
+    INSTALLPREFIX=$HOME/staging${BITS}
+    BUILDDIR=$HOME/build${BITS}
+    DEPSDIR=$HOME/deps${BITS}
+    if [ "$BITS" == "32" ]; then
+      HOST=i686-w64-mingw32
+    else
+      HOST=x86_64-w64-mingw32
+    fi
+    #
+    mkdir -p $INSTALLPREFIX $INSTALLPREFIX/host/bin $DEPSDIR $BUILDDIR
+    #
+    # Need mingw-compiled openssl from bitcoin-deps:
+    cd $DEPSDIR
+    unzip $INDIR/bitcoin-deps-win${BITS}-gitian-r10.zip
+    #
+    cd $BUILDDIR
+    #
+    tar xzf $INDIR/qt-everywhere-opensource-src-5.2.0.tar.gz
+    cd qt-everywhere-opensource-src-5.2.0
+    SPECNAME="win32-g++"
+    SPECFILE="qtbase/mkspecs/${SPECNAME}/qmake.conf"
+    sed 's/$TODAY/2011-01-30/' -i configure
+    sed --posix "s|QMAKE_CFLAGS            = -pipe -fno-keep-inline-dllexport|QMAKE_CFLAGS\t\t= -pipe -fno-keep-inline-dllexport -isystem /usr/$HOST/include/ -frandom-seed=qtbuild -I$DEPSDIR/include|" -i ${SPECFILE}
+    sed --posix "s|QMAKE_LFLAGS            =|QMAKE_LFLAGS\t\t= -L$DEPSDIR/lib|" -i ${SPECFILE}
+    # ar adds timestamps to every object file included in the static library
+    # providing -D as ar argument is supposed to solve it, but doesn't work as qmake strips off the arguments and adds -M to pass a script...
+    # which somehow cannot be combined with other flags.
+    # use faketime only for ar, as it confuses make/qmake into hanging sometimes
+    sed --posix "s|QMAKE_LIB               = \\\$\\\${CROSS_COMPILE}ar -ru|QMAKE_LIB\t\t= $HOME/ar -Dr|" -i ${SPECFILE}
+    echo '#!/bin/bash' > $HOME/ar
+    echo 'export LD_PRELOAD=/usr/lib/faketime/libfaketime.so.1' >> $HOME/ar
+    echo "$HOST-ar \"\$@\"" >> $HOME/ar
+    chmod +x $HOME/ar
+    # Don't load faketime while compiling Qt, qmake will get stuck in nearly infinite loops
+    #export LD_PRELOAD=/usr/lib/faketime/libfaketime.so.1
+    export FAKETIME=$REFERENCE_DATETIME
+    #
+    # Compile static libraries, and use statically linked openssl (-openssl-linked):
+    OPENSSL_LIBS="-L$DEPSDIR/lib -lssl -lcrypto -lgdi32" ./configure -prefix $INSTALLPREFIX -bindir $INSTALLPREFIX/host/bin -confirm-license -release -opensource -static -xplatform $SPECNAME -device-option CROSS_COMPILE="$HOST-" -no-audio-backend -no-javascript-jit -no-sql-sqlite -no-sql-odbc -no-nis -no-cups -no-iconv -no-dbus -no-gif -no-opengl -no-compile-examples -no-feature-style-windowsce -no-feature-style-windowsmobile -no-qml-debug -openssl-linked -skip qtsvg -skip qtwebkit -skip qtwebkit-examples -skip qtserialport -skip qtdeclarative -skip qtmultimedia -skip qtimageformats -skip qtlocation -skip qtsensors -skip qtquick1 -skip qtquickcontrols -skip qtactiveqt -skip qtconnectivity -skip qtwinextras -skip qtxmlpatterns -skip qtscript -skip qtdoc -system-libpng -system-zlib
+    make $MAKEOPTS install
+    #
+    cd $INSTALLPREFIX
+
+    # as zip stores file timestamps, use faketime to intercept stat calls to set dates for all files to reference date
+    export LD_PRELOAD=/usr/lib/faketime/libfaketime.so.1
+    zip -r $OUTDIR/qt-win${BITS}-5.2.0-gitian-r1.zip *
+    unset LD_PRELOAD
+    unset FAKETIME
+  done # for BITS in
diff --git a/contrib/gitian-descriptors/qt-win32.yml b/contrib/gitian-descriptors/qt-win32.yml
deleted file mode 100644
index 8bc53bbf25..0000000000
--- a/contrib/gitian-descriptors/qt-win32.yml
+++ /dev/null
@@ -1,60 +0,0 @@
----
-name: "qt"
-suites:
-- "precise"
-architectures:
-- "amd64"
-packages: 
-- "mingw-w64"
-- "g++-mingw-w64"
-- "zip"
-- "unzip"
-- "faketime"
-- "libz-dev"
-reference_datetime: "2011-01-30 00:00:00"
-remotes: []
-files:
-- "qt-everywhere-opensource-src-5.2.0.tar.gz"
-- "bitcoin-deps-win32-gitian-r10.zip"
-script: |
-  #
-  HOST=i686-w64-mingw32
-  INSTDIR="$HOME/qt/"
-  # Integrity Check
-  echo "395ec72277c5786c65b8163ef5817fd03d0a1f524a6d47f53624baf8056f1081  qt-everywhere-opensource-src-5.2.0.tar.gz" | sha256sum -c
-
-  mkdir $INSTDIR
-  mkdir -p $INSTDIR/host/bin
-  #
-  # Need mingw-compiled openssl from bitcoin-deps:
-  unzip bitcoin-deps-win32-gitian-r10.zip
-  DEPSDIR=`pwd`
-  #
-  tar xzf qt-everywhere-opensource-src-5.2.0.tar.gz
-  cd qt-everywhere-opensource-src-5.2.0
-  SPECNAME="win32-g++"
-  SPECFILE="qtbase/mkspecs/${SPECNAME}/qmake.conf"
-  sed 's/$TODAY/2011-01-30/' -i configure
-  sed --posix "s|QMAKE_CFLAGS            = -pipe -fno-keep-inline-dllexport|QMAKE_CFLAGS\t\t= -pipe -fno-keep-inline-dllexport -isystem /usr/$HOST/include/ -frandom-seed=qtbuild -I$DEPSDIR/include|" -i ${SPECFILE}
-  sed --posix "s|QMAKE_LFLAGS            =|QMAKE_LFLAGS\t\t= -L$DEPSDIR/lib|" -i ${SPECFILE}
-  # ar adds timestamps to every object file included in the static library
-  # providing -D as ar argument is supposed to solve it, but doesn't work as qmake strips off the arguments and adds -M to pass a script...
-  # which somehow cannot be combined with other flags.
-  # use faketime only for ar, as it confuses make/qmake into hanging sometimes
-  sed --posix "s|QMAKE_LIB               = \\\$\\\${CROSS_COMPILE}ar -ru|QMAKE_LIB\t\t= $HOME/ar -Dr|" -i ${SPECFILE}
-  echo '#!/bin/bash' > $HOME/ar
-  echo 'export LD_PRELOAD=/usr/lib/faketime/libfaketime.so.1' >> $HOME/ar
-  echo "$HOST-ar \"\$@\"" >> $HOME/ar
-  chmod +x $HOME/ar
-  #export LD_PRELOAD=/usr/lib/faketime/libfaketime.so.1
-  export FAKETIME=$REFERENCE_DATETIME
-  export TZ=UTC
-  #
-  # Compile static libraries, and use statically linked openssl (-openssl-linked):
-  OPENSSL_LIBS="-L$DEPSDIR/lib -lssl -lcrypto -lgdi32" ./configure -prefix $INSTDIR -bindir $INSTDIR/host/bin -confirm-license -release -opensource -static -xplatform $SPECNAME -device-option CROSS_COMPILE="$HOST-" -no-audio-backend -no-javascript-jit -no-sql-sqlite -no-sql-odbc -no-nis -no-cups -no-iconv -no-dbus -no-gif -no-opengl -no-compile-examples -no-feature-style-windowsce -no-feature-style-windowsmobile -no-qml-debug -openssl-linked -skip qtsvg -skip qtwebkit -skip qtwebkit-examples -skip qtserialport -skip qtdeclarative -skip qtmultimedia -skip qtimageformats -skip qtlocation -skip qtsensors -skip qtquick1 -skip qtquickcontrols -skip qtactiveqt -skip qtconnectivity -skip qtwinextras -skip qtxmlpatterns -skip qtscript -skip qtdoc -system-libpng -system-zlib
-  make $MAKEOPTS install
-  cd $INSTDIR
-
-  # as zip stores file timestamps, use faketime to intercept stat calls to set dates for all files to reference date
-  export LD_PRELOAD=/usr/lib/faketime/libfaketime.so.1
-  zip -r $OUTDIR/qt-win32-5.2.0-gitian-r1.zip *
diff --git a/doc/release-process.md b/doc/release-process.md
index 7fccf2172e..aadacf05f8 100644
--- a/doc/release-process.md
+++ b/doc/release-process.md
@@ -51,18 +51,18 @@ Release Process
 	wget 'https://download.qt-project.org/official_releases/qt/5.2/5.2.0/single/qt-everywhere-opensource-src-5.2.0.tar.gz'
 	wget 'https://protobuf.googlecode.com/files/protobuf-2.5.0.tar.bz2'
 	cd ..
+	./bin/gbuild ../bitcoin/contrib/gitian-descriptors/boost-linux.yml
+	mv build/out/boost-*.zip inputs/
 	./bin/gbuild ../bitcoin/contrib/gitian-descriptors/deps-linux.yml
 	mv build/out/bitcoin-deps-*.zip inputs/
-	./bin/gbuild ../bitcoin/contrib/gitian-descriptors/boost-linux.yml
-	mv build/out/boost-linux-*.zip inputs/
-	./bin/gbuild ../bitcoin/contrib/gitian-descriptors/boost-win32.yml
-	mv build/out/boost-win32-*.zip inputs/
-	./bin/gbuild ../bitcoin/contrib/gitian-descriptors/deps-win32.yml
+	./bin/gbuild ../bitcoin/contrib/gitian-descriptors/boost-win.yml
+	mv build/out/boost-*.zip inputs/
+	./bin/gbuild ../bitcoin/contrib/gitian-descriptors/deps-win.yml
 	mv build/out/bitcoin-deps-*.zip inputs/
-	./bin/gbuild ../bitcoin/contrib/gitian-descriptors/qt-win32.yml
-	mv build/out/qt-win32-*.zip inputs/
-	./bin/gbuild ../bitcoin/contrib/gitian-descriptors/protobuf-win32.yml
-	mv build/out/protobuf-win32-*.zip inputs/
+	./bin/gbuild ../bitcoin/contrib/gitian-descriptors/qt-win.yml
+	mv build/out/qt-*.zip inputs/
+	./bin/gbuild ../bitcoin/contrib/gitian-descriptors/protobuf-win.yml
+	mv build/out/protobuf-*.zip inputs/
 
  Build bitcoind and bitcoin-qt on Linux32, Linux64, and Win32:
   
@@ -72,19 +72,19 @@ Release Process
 	zip -r bitcoin-${VERSION}-linux-gitian.zip *
 	mv bitcoin-${VERSION}-linux-gitian.zip ../../../
 	popd
-	./bin/gbuild --commit bitcoin=v${VERSION} ../bitcoin/contrib/gitian-descriptors/gitian-win32.yml
-	./bin/gsign --signer $SIGNER --release ${VERSION}-win32 --destination ../gitian.sigs/ ../bitcoin/contrib/gitian-descriptors/gitian-win32.yml
+	./bin/gbuild --commit bitcoin=v${VERSION} ../bitcoin/contrib/gitian-descriptors/gitian-win.yml
+	./bin/gsign --signer $SIGNER --release ${VERSION}-win --destination ../gitian.sigs/ ../bitcoin/contrib/gitian-descriptors/gitian-win.yml
 	pushd build/out
-	zip -r bitcoin-${VERSION}-win32-gitian.zip *
-	mv bitcoin-${VERSION}-win32-gitian.zip ../../../
+	zip -r bitcoin-${VERSION}-win-gitian.zip *
+	mv bitcoin-${VERSION}-win-gitian.zip ../../../
 	popd
 	popd
 
   Build output expected:
 
   1. linux 32-bit and 64-bit binaries + source (bitcoin-${VERSION}-linux-gitian.zip)
-  2. windows 32-bit binary, installer + source (bitcoin-${VERSION}-win32-gitian.zip)
-  3. Gitian signatures (in gitian.sigs/${VERSION}[-win32]/(your gitian key)/
+  2. windows 32-bit and 64-bit binaries + installer + source (bitcoin-${VERSION}-win-gitian.zip)
+  3. Gitian signatures (in gitian.sigs/${VERSION}[-win]/(your gitian key)/
 
 repackage gitian builds for release as stand-alone zip/tar/installer exe
 
@@ -96,10 +96,10 @@ repackage gitian builds for release as stand-alone zip/tar/installer exe
 
 **Windows .zip and setup.exe:**
 
-	unzip bitcoin-${VERSION}-win32-gitian.zip -d bitcoin-${VERSION}-win32
-	mv bitcoin-${VERSION}-win32/bitcoin-*-setup.exe .
-	zip -r bitcoin-${VERSION}-win32.zip bitcoin-${VERSION}-win32
-	rm -rf bitcoin-${VERSION}-win32
+	unzip bitcoin-${VERSION}-win-gitian.zip -d bitcoin-${VERSION}-win
+	mv bitcoin-${VERSION}-win/bitcoin-*-setup.exe .
+	zip -r bitcoin-${VERSION}-win.zip bitcoin-${VERSION}-win
+	rm -rf bitcoin-${VERSION}-win
 
 **Perform Mac build:**
 
@@ -138,7 +138,7 @@ Commit your signature to gitian.sigs:
 
 	pushd gitian.sigs
 	git add ${VERSION}/${SIGNER}
-	git add ${VERSION}-win32/${SIGNER}
+	git add ${VERSION}-win/${SIGNER}
 	git commit -a
 	git push  # Assuming you can push to the gitian.sigs tree
 	popd
@@ -162,17 +162,17 @@ From a directory containing bitcoin source, gitian.sigs and gitian zips
 	zip -r bitcoin-${VERSION}-linux-gitian.zip *
 	cp bitcoin-${VERSION}-linux-gitian.zip ../
 	popd
-	mkdir bitcoin-${VERSION}-win32-gitian
-	pushd bitcoin-${VERSION}-win32-gitian
-	unzip ../bitcoin-${VERSION}-win32-gitian.zip
+	mkdir bitcoin-${VERSION}-win-gitian
+	pushd bitcoin-${VERSION}-win-gitian
+	unzip ../bitcoin-${VERSION}-win-gitian.zip
 	mkdir gitian
 	cp ../bitcoin/contrib/gitian-downloader/*.pgp ./gitian/
-	for signer in $(ls ../gitian.sigs/${VERSION}-win32/); do
-	 cp ../gitian.sigs/${VERSION}-win32/${signer}/bitcoin-build.assert ./gitian/${signer}-build.assert
-	 cp ../gitian.sigs/${VERSION}-win32/${signer}/bitcoin-build.assert.sig ./gitian/${signer}-build.assert.sig
+	for signer in $(ls ../gitian.sigs/${VERSION}-win/); do
+	 cp ../gitian.sigs/${VERSION}-win/${signer}/bitcoin-build.assert ./gitian/${signer}-build.assert
+	 cp ../gitian.sigs/${VERSION}-win/${signer}/bitcoin-build.assert.sig ./gitian/${signer}-build.assert.sig
 	done
-	zip -r bitcoin-${VERSION}-win32-gitian.zip *
-	cp bitcoin-${VERSION}-win32-gitian.zip ../
+	zip -r bitcoin-${VERSION}-win-gitian.zip *
+	cp bitcoin-${VERSION}-win-gitian.zip ../
 	popd
 
 - Upload gitian zips to SourceForge
diff --git a/src/qt/utilitydialog.cpp b/src/qt/utilitydialog.cpp
index 05a01c7445..a96b9d6c0b 100644
--- a/src/qt/utilitydialog.cpp
+++ b/src/qt/utilitydialog.cpp
@@ -33,7 +33,16 @@ void AboutDialog::setModel(ClientModel *model)
 {
     if(model)
     {
-        ui->versionLabel->setText(model->formatFullVersion());
+        QString version = model->formatFullVersion();
+        /* On x86 add a bit specifier to the version so that users can distinguish between
+         * 32 and 64 bit builds. On other architectures, 32/64 bit may be more ambigious.
+         */
+#if defined(__x86_64__)
+        version += " (64-bit)";
+#elif defined(__i386__ )
+        version += " (32-bit)";
+#endif
+        ui->versionLabel->setText(version);
     }
 }