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---
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name: "qt"
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suites:
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- "precise"
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architectures:
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- "amd64"
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packages:
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- "mingw-w64"
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- "g++-mingw-w64"
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- "zip"
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- "unzip"
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- "faketime"
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- "libz-dev"
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reference_datetime: "2011-01-30 00:00:00"
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remotes: []
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files:
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- "qt-everywhere-opensource-src-5.2.0.tar.gz"
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- "bitcoin-deps-win32-gitian-r13.zip"
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- "bitcoin-deps-win64-gitian-r13.zip"
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script: |
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# Defines
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export TZ=UTC
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INDIR=$HOME/build
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TEMPDIR=$HOME/tmp
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# Qt: workaround for determinism in resource ordering
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# Qt5's rcc uses a QHash to store the files for the resource.
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# A security fix in QHash makes the ordering of keys to be different on every run
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# (https://qt.gitorious.org/qt/qtbase/commit/c01eaa438200edc9a3bbcd8ae1e8ded058bea268).
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# This is good in general but qrc shouldn't be doing a traversal over a randomized container.
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# The thorough solution would be to use QMap instead of QHash, but this requires patching Qt.
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# For now luckily there is a test mode that forces a fixed seed.
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export QT_RCC_TEST=1
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# Integrity Check
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echo "395ec72277c5786c65b8163ef5817fd03d0a1f524a6d47f53624baf8056f1081 qt-everywhere-opensource-src-5.2.0.tar.gz" | sha256sum -c
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for BITS in 32 64; do # for architectures
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#
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INSTALLPREFIX=$HOME/staging${BITS}
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BUILDDIR=$HOME/build${BITS}
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DEPSDIR=$HOME/deps${BITS}
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if [ "$BITS" == "32" ]; then
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HOST=i686-w64-mingw32
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else
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HOST=x86_64-w64-mingw32
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fi
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#
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mkdir -p $INSTALLPREFIX $INSTALLPREFIX/host/bin $DEPSDIR $BUILDDIR
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#
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# Need mingw-compiled openssl from bitcoin-deps:
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cd $DEPSDIR
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unzip $INDIR/bitcoin-deps-win${BITS}-gitian-r13.zip
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#
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cd $BUILDDIR
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#
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tar xzf $INDIR/qt-everywhere-opensource-src-5.2.0.tar.gz
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cd qt-everywhere-opensource-src-5.2.0
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SPECNAME="win32-g++"
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SPECFILE="qtbase/mkspecs/${SPECNAME}/qmake.conf"
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sed 's/qt_instdate=`date +%Y-%m-%d`/qt_instdate=2011-01-30/' -i qtbase/configure
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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 ${SPECFILE}
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sed --posix "s|QMAKE_LFLAGS =|QMAKE_LFLAGS\t\t= -L$DEPSDIR/lib|" -i ${SPECFILE}
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# Before we tried to pass arguments to ar (static linking) in using QMAKE_LIB, however
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# qt removes the arguments for ar and provides a script which makes it impossible to pass the determinism flag -
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# so rather than try to replace ar, post-process all libraries and plugins at the end.
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#
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# Don't load faketime while compiling Qt, qmake will get stuck in nearly infinite loops
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#export LD_PRELOAD=/usr/lib/faketime/libfaketime.so.1
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#export FAKETIME=$REFERENCE_DATETIME
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#
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# Compile static libraries, and use statically linked openssl (-openssl-linked):
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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
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make $MAKEOPTS install
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# post-process all generated libraries and plugins to be deterministic
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# extract them to a temporary directory then re-build them deterministically
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for LIB in $(find $INSTALLPREFIX -name *.a); do
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rm -rf $TEMPDIR && mkdir $TEMPDIR && cd $TEMPDIR
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$HOST-ar xv $LIB | cut -b5- > /tmp/list.txt
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rm $LIB
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$HOST-ar crsD $LIB $(cat /tmp/list.txt)
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done
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#
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cd $INSTALLPREFIX
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# Remove unused non-deterministic stuff
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rm host/bin/qtpaths.exe lib/libQt5Bootstrap.a lib/libQt5Bootstrap.la
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# as zip stores file timestamps, use faketime to intercept stat calls to set dates for all files to reference date
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export LD_PRELOAD=/usr/lib/faketime/libfaketime.so.1
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export FAKETIME=$REFERENCE_DATETIME
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find -print0 | xargs -r0 touch # fix up timestamps before packaging
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find | sort | zip -X@ $OUTDIR/qt-win${BITS}-5.2.0-gitian-r3.zip
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unset LD_PRELOAD
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unset FAKETIME
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done # for BITS in
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