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* Merge remote-tracking branch 'origin/5.12' into 5.12.1Liang Qi2019-01-081-4/+12
|\ | | | | | | | | | | | | Conflicts: src/widgets/kernel/qtooltip.cpp Change-Id: Ic2f9a425359050eb56b3a4e5162cf5e3447058c8
| * MSVC x86: implement add_overflow for quint64Thiago Macieira2018-12-211-3/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There's no 64-bit ADD instruction, so we make do with ADD+ADC. This is what Clang generates. ICC uses the two as well, but then performs some subtractions to find out if it overflowed. GCC for some inexplicable reason attempts to use SSE2 if that's enabled, otherwise it performs the subtractions like ICC. Alternative implementation which generates better code, but violates strict aliasing: uint *low = reinterpret_cast<uint *>(r); uint *high = low + 1; return _addcarry_u32(_addcarry_u32(0, unsigned(v1), unsigned(v2), low), v1 >> 32, v2 >> 32, high); Manual testing shows this works. tst_qnumeric passes in debug mode. MSVC 2017 15.9 still miscompiles in release mode (reported to MS as [1]). [1] https://developercommunity.visualstudio.com/content/problem/409039/-addcarry-u32-wrong-results-with-constant-inputs.html Change-Id: I61ce366d57bc46c89db5fffd15704d53ebd4af3c Reviewed-by: Thomas Miller <thomaslmiller91@gmail.com> Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>
| * Remove "x" that was clearly a typoThiago Macieira2018-12-151-1/+1
| | | | | | | | | | | | | | Or something I used for debugging. Change-Id: I61ce366d57bc46c89db5fffd15704e1d010749b6 Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>
* | Fix build in INTEGRITY: __mulh is not definedThiago Macieira2018-12-141-1/+1
|/ | | | | | | | | | | | Commit 6b875f0625acc6c6a4f8899b829176baaf7d8502 created a macro for it, but in the multiple updates to find the best solution, we forgot to use it. Fixes: QTBUG-72429 Change-Id: I4ac1156702324f0fb814fffd156f27c1789d1409 Reviewed-by: Thomas Miller <thomaslmiller91@gmail.com> Reviewed-by: Janne Koskinen <janne.p.koskinen@qt.io> Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
* Implement mul_overflow for MSVC arm64Thomas Miller2018-11-291-48/+26
| | | | | Change-Id: Ia7c79614e6ef21222fb9683b540ac51b45a77c49 Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
* INTEGRITY: Fix missing uint/int 128 support for 64-bit ARMJanne Koskinen2018-11-071-0/+36
| | | | | | | Add 64bit specializations for mul_overflow. Change-Id: I8bba69233dd71b94346983a100cf4d69bfc686f7 Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
* QCborValue: move the toDiagnosticNotation() function to its own fileThiago Macieira2018-07-301-0/+52
| | | | | | | | | | If we ever need to add QCborValue to the bootstrap library, it's unlikely that we'll need this part. And by splitting it, I can make the code handle more cases, that hadn't been properly handled before. Change-Id: I2f630efbbce54f14bfa9fffd154160c0ad893695 Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io> Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
* fix missing __builtin_mul_overflow for Windows ICCAlexander Shevchenko2018-02-151-1/+1
| | | | | | | | Complete 43c44d05ca6af4ec78c1dea84635375a637ff80d to cover builds using Windows ICC. Change-Id: I5f4d62f17b54835a58f3002744574c514cce5e39 Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
* Update the overflow functions to include qsizetypeThiago Macieira2018-01-241-160/+117
| | | | | | | | | | | | | | | | | | | | Commit 29bc68cf169b8cf87d306a1c72e12eb9b6fbfce7 added support for unsigned and commit 5ff7a3d96e0ce0dcb3d388b53d038cdd40c7a975 later added support for int. This commit adds support for qsizetype, which isn't int on 64-bit platforms. We do this by reorganizing the code and using the generic version of __builtin_{add,sub,mul}_overflow from GCC 5 and Clang 3.8, which ICC 18 seems to support now too on Linux. That leaves older versions of GCC and Clang, as well as MSVC, ICC on Windows, and the GHS compiler, to use the generic implementations, as I've removed the assembly code those versions of GCC and Clang on x86 are now uncommon. Note: any older version of ICC probably breaks. We only support the latest. Change-Id: I9e2892cb6c374e93bcb7fffd14fc11bcd5f067a7 Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>
* QtCore: Raise minimum supported MSVC version to 2015Friedemann Kleint2018-01-081-2/+2
| | | | | | | | Remove code for older versions and streamline #ifdefs. Task-number: QTBUG-51673 Change-Id: I211703189ff12f827d94914093369736b6e65d4a Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
* doc: Fix all qdoc errors in qnumeric_p.hMartin Smith2017-12-041-1/+2
| | | | | | | | | | These errors resulted from clang parsing function declarations for functions that were not meant to be documented. Here they are hidden from clang with #ifndef Q_CLANG_QDOC Change-Id: I256b49830b63188bf0a685cb393d469f2f2ca315 Reviewed-by: Martin Smith <martin.smith@qt.io>
* Mark some more functions with Q_DECL_CONST_FUNCTIONGiuseppe D'Angelo2017-04-051-27/+27
| | | | | | | Saves a mere 300byte of text. Change-Id: Ibc87a395af83757e855477a57e48e1e190504757 Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
* Merge remote-tracking branch 'origin/5.8' into 5.9Liang Qi2017-02-081-9/+2
|\ | | | | | | | | | | | | | | Conflicts: configure.json mkspecs/win32-icc/qmake.conf Change-Id: Ibf40546b024d644c7d9ed490bee15b82597f4d3f
| * qnumeric_p.h: Simplify code to match currently-supported platformsThiago Macieira2017-01-311-9/+2
| | | | | | | | | | | | | | | | | | | | MSVC < 1800 (older than 2013) is no longer supported, so we can simplify the code. And the implementation for C never worked -- "if it's not C++, let's use a namespace!" Change-Id: Iaeecaffe26af4535b416fffd148c2c6788c43881 Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io> Reviewed-by: Erik Verbruggen <erik.verbruggen@qt.io>
* | Use std::enable_if instead of QEnableIfAlexander Volkov2017-01-271-2/+2
|/ | | | | | Change-Id: Ideca8283141484cb6da47c50333f5c96e416f082 Reviewed-by: Edward Welbourne <edward.welbourne@qt.io> Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
* Re-fix the build with ICC and cmath & math.hThiago Macieira2016-12-101-5/+7
| | | | | | | | | | | | | | | | | | | | | Commit c35fef9d3b8bb77a7f303e3cd62c86cd00e57f5b wasn't sufficient. The problem is that there's a complex combination of libc headers (math.h), C++ headers (cmath), which may be provided by three different sources on Linux (glibc, gcc and ICC). On some combinations, the isnan macro leaks from math.h or cmath and that's what the the commit above tried to fix. On some other combinations, there's no macro but there's an ::isnan function defined. When we do "using namespace std; return isnan(x);", that causes a compilation error. This commit solves that by detecting whether there is a macro defined. error: more than one instance of overloaded function "isnan" matches the argument list function "isnan(double)" function "std::isnan(double)" argument types are: (double) Change-Id: Iaeecaffe26af4535b416fffd148bf71826541bdd Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
* Replace custom type traits with std one'sKai Koehne2016-11-081-2/+2
| | | | | | | | | | | | | | | | | | Remove most type traits from qtypetraits.h, but keep the custom implementation of is_signed/is_unsigned. This gets rid of BSD-3 licensed code from Google in a public header (hugh!). The custom implementations for is_signed/is_unsigned are kept because the implementations in gcc's standard headers do not work as we expect for enums - both is_signed and is_unsigned always returns false there - see also https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59027 [ChangeLog][QtCore][General] Qt now relies on type traits from the C++ standard library. Change-Id: I3f2188b46949f04ca4482a6ac9afd3482103f0e1 Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
* Merge remote-tracking branch 'origin/5.7' into devLiang Qi2016-08-161-3/+5
|\ | | | | | | | | | | | | | | | | | | | | | | Conflicts: qmake/doc/src/qmake-manual.qdoc src/corelib/global/qglobal.cpp src/corelib/tools/qstring.cpp src/network/socket/qabstractsocket.cpp src/network/socket/qnativesocketengine_unix.cpp src/plugins/platforms/eglfs/api/qeglfsglobal.h Change-Id: Id5dfdbd30fa996f9b4b66a0b030b7d3b8c0ef288
| * Fix qnumeric_p.h with ICC's supplied math.hThiago Macieira2016-08-101-3/+5
| | | | | | | | | | | | | | | | | | | | | | | | ICC supplies a math.h header that defines things like: #define isnan( __x__ ) __IMFC99MACRO1ARG_ALL( __x__, isnan, __, f, __, , __, l) So use the already-existing workaround for it. Since Qt 5.7 requires C++11, we can remove the check for that. Change-Id: I149e0540c00745fe8119fffd1463cc5caf341337 Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
* | Make sure all private headers in Qt Core include qglobal_p.hThiago Macieira2016-06-251-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | The rule was: - if the header included qglobal.h, turn that into qglobal_p.h - otherwise, insert the #include after the "We mean it" warning qglobal_p.h currently only includes qglobal.h. Change-Id: Ib056b47dde3341ef9a52ffff13ef677e471674b7 Reviewed-by: Thiago Macieira <thiago.macieira@intel.com> Reviewed-by: Lars Knoll <lars.knoll@qt.io>
* | QtCore: Remove Windows CE.Friedemann Kleint2016-03-301-1/+1
|/ | | | | | | | | Remove QSysInfo::WV_CE_5/6 enumeration values, #ifdef sections for Q_OS_WINCE and wince .pro file clauses in library, examples and tests. Task-number: QTBUG-51673 Change-Id: Ib63463445f3a26e04d018b193e4655030002f5f9 Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com>
* Add initial clang-cl support to QtAndreas Holzammer2016-02-111-3/+3
| | | | | | | | | | | | | | | | | | | This adds the functionality to build Qt with clang under Windows against the Microsoft Visual Studio 2015 runtime. In order to replicate this, a Clang 3.8 build with Visual Studio 2015 Update 1 is needed. Adds compiler detection to Qt to distinguish correctly the clang compiler and Windows with Visual Studio. Clang has some built-in numeric functions, there is no need to use the Microsoft versions, which also conflict here. Task-number: QTBUG-50804 Change-Id: Ia4b267a298310ac7d73edf473b12792991249d8a Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com> Reviewed-by: Friedemann Kleint <Friedemann.Kleint@theqtcompany.com>
* Updated license headersJani Heikkinen2016-01-211-1/+1
| | | | | | | | | | | | | From Qt 5.7 -> tools & applications are lisenced under GPL v3 with some exceptions, see http://blog.qt.io/blog/2016/01/13/new-agreement-with-the-kde-free-qt-foundation/ Updated license headers to use new GPL-EXCEPT header instead of LGPL21 one (in those files which will be under GPL 3 with exceptions) Change-Id: I42a473ddc97101492a60b9287d90979d9eb35ae1 Reviewed-by: Thiago Macieira <thiago.macieira@intel.com> Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com>
* Updated license headersJani Heikkinen2016-01-151-14/+20
| | | | | | | | | | | From Qt 5.7 -> LGPL v2.1 isn't an option anymore, see http://blog.qt.io/blog/2016/01/13/new-agreement-with-the-kde-free-qt-foundation/ Updated license headers to use new LGPL header instead of LGPL21 one (in those files which will be under LGPL v3) Change-Id: I046ec3e47b1876cd7b4b0353a576b352e3a946d9 Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com>
* Fix compilation of isnan/isinf for MSVC2012.Erik Verbruggen2015-12-111-2/+2
| | | | | | | | | MSVC doesn't define float versions for _isnan/_isfinite, so the double versions need to be used. This is already done in the surrounding functions, but not in these two. Change-Id: Ic183358dc1790279e18d00a08b7279e76c02af60 Reviewed-by: Oliver Wolff <oliver.wolff@theqtcompany.com>
* Merge remote-tracking branch 'origin/5.6' into devLiang Qi2015-12-021-1/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Conflicts: src/corelib/kernel/qcoreapplication.cpp src/corelib/kernel/qeventdispatcher_blackberry.cpp src/network/bearer/qnetworkconfiguration.cpp src/plugins/bearer/blackberry/qbbengine.cpp src/plugins/platforms/android/androidjnimain.cpp src/plugins/platforms/android/qandroidplatformtheme.cpp src/plugins/platforms/qnx/qqnxbpseventfilter.cpp src/plugins/platforms/qnx/qqnxfiledialoghelper_bb10.cpp src/plugins/platforms/qnx/qqnxinputcontext_imf.cpp src/plugins/platforms/qnx/qqnxintegration.cpp src/plugins/platforms/qnx/qqnxnavigatorbps.cpp src/plugins/platforms/qnx/qqnxvirtualkeyboardbps.cpp src/plugins/platforms/qnx/qqnxwindow.cpp src/widgets/kernel/qwidgetwindow.cpp src/widgets/styles/qwindowsvistastyle.cpp src/widgets/styles/qwindowsxpstyle.cpp src/widgets/widgets/qtoolbararealayout.cpp tests/auto/corelib/global/qflags/qflags.pro tests/auto/corelib/itemmodels/qitemmodel/modelstotest.cpp tests/auto/corelib/tools/qversionnumber/qversionnumber.pro tests/auto/widgets/dialogs/qfilesystemmodel/tst_qfilesystemmodel.cpp Change-Id: I37be88c6c185bb85404823353e027a0a6acdbce4
| * Fix overflow-checking additions and multiplication on MinGWMatt Hoosier2015-12-021-1/+1
| | | | | | | | | | | | | | | | | | Intrinsics headers are associated with compilers, not OS's. This change fixes a broken MinGW build triggered by 29bc68cf169b8cf87d306a1c72e12eb9b6fbfce7. Change-Id: Ib9e4ea3e25bf49d38a754a246b9433bc078bbb18 Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
* | Add {add,sub,mul}_overflow for signed integers.Erik Verbruggen2015-11-201-1/+92
| | | | | | | | | | | | | | | | | | | | | | | | | | | | In C++, signed overflow math is Undefined Behavior. However, many CPUs do implement some way to check for overflow. Some compilers expose intrinsics to use this functionality. If the no intrinsic is exposed, overflow checking can be done by widening the result type and "manually" checking for overflow. Or, for X86, by using inline assembly to use the CPU features. Used in QtQml. Change-Id: I2ef2523ccaa98f6757a45e24862a2fa730a26bb0 Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
* | Reimplement qt_inf/qt_snan/qt_qnan using std::numeric_limits.Erik Verbruggen2015-11-191-70/+14
| | | | | | | | | | | | | | | | | | | | | | | | Qt already assumes a working IEEE-754 implementation, so we can rely on a working std::numeric_limits<double>. This patch also gets rid of three cases of type-punning with unions (which is undefined behavior in C++). Change-Id: Ic3747f49d55e372960abf2091c1d5752c1eccdff Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com> Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
* | Implement qt_is_{inf,nan,finite} using std. library functions.Erik Verbruggen2015-10-301-40/+59
| | | | | | | | | | | | | | | | | | | | | | | | The previous implementations did not check the full mantissa. The result was that certain NaN values were seen as +/-Infinity. A nice benefit is that the generated code for this implementation is also faster. Task-number: QTBUG-47692 Change-Id: I1507ec579ccd9a2ab97da8cf83dabbc5d6e28597 Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com>
* | Add the QT_HAS_xxx macros for post-C++11 feature testingThiago Macieira2015-10-161-10/+6
|/ | | | | | | | And for compiler extensions. QT_HAS_BUILTIN and QT_HAS_ATTRIBUTE will come in handy. Change-Id: I255870833a024a36adf6ffff13ecf06624bfc1ef Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
* Add code to perform overflow-checking additions and multiplicationThiago Macieira2015-09-231-0/+117
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Most processors have carry flags which they set on addition overflow, so it's a good idea to access them whenever possible. Most of them also have widening multiply instructions that can be used to detect overflow of the non-widening version. Tested to compile on: Architecture Compiler x86 GCC 4.9, GCC 5*, Clang 3.6*, ICC 16 beta x86-64 GCC 4.9, GCC 5*, Clang 3.6*, ICC 16 beta x86-64 ILP32 GCC 4.9, GCC 5*, Clang 3.6* IA-64 LP64 GCC 4.8 ARMv7-A GCC 4.9, Clang 3.6* AArch64 Clang 3.6* MIPS GCC 4.9, Clang 3.6* MIPS64 GCC 4.9, Clang 3.6* PowerPC GCC 4.9, Clang 3.6* PowerPC 64 GCC 4.9, Clang 3.6* SPARC Clang 3.6* SPARCv9 Clang 3.6* [*] supports the intrinsics If the compiler does not offer a way to detect an overflow, we do it by hand. For unsigned additions, that's easy, since the C++ language specifies the behavior of the overflow. That's also the reason why this code is implemented only for unsigned integers. For the multiplication, if the compiler does not support widening multiplications, we do it with a division instead. This is necessary for GCC < 4.5 and compilers not compatible with GCC or MSVC. Change-Id: I049a653beeb5454c9539ffff13e637de0f1338c1 Reviewed-by: Ulf Hermann <ulf.hermann@theqtcompany.com> Reviewed-by: Alex Trotsenko <alex1973tr@gmail.com> Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
* Update copyright headersJani Heikkinen2015-02-111-7/+7
| | | | | | | | | | | | | | | | | | Qt copyrights are now in The Qt Company, so we could update the source code headers accordingly. In the same go we should also fix the links to point to qt.io. Outdated header.LGPL removed (use header.LGPL21 instead) Old header.LGPL3 renamed to header.LGPL3-COMM to match actual licensing combination. New header.LGPL-COMM taken in the use file which were using old header.LGPL3 (src/plugins/platforms/android/extract.cpp) Added new header.LGPL3 containing Commercial + LGPLv3 + GPLv2 license combination Change-Id: I6f49b819a8a20cc4f88b794a8f6726d975e8ffbe Reviewed-by: Matti Paaso <matti.paaso@theqtcompany.com>
* Update license headers and add new license filesMatti Paaso2014-09-241-19/+11
| | | | | | | | | - Renamed LICENSE.LGPL to LICENSE.LGPLv21 - Added LICENSE.LGPLv3 - Removed LICENSE.GPL Change-Id: Iec3406e3eb3f133be549092015cefe33d259a3f2 Reviewed-by: Iikka Eklund <iikka.eklund@digia.com>
* Update copyright year in Digia's license headersSergio Ahumada2013-01-181-1/+1
| | | | | Change-Id: Ic804938fc352291d011800d21e549c10acac66fb Reviewed-by: Lars Knoll <lars.knoll@digia.com>
* Change copyrights from Nokia to DigiaIikka Eklund2012-09-221-24/+24
| | | | | | | | Change copyrights and license headers from Nokia to Digia Change-Id: If1cc974286d29fd01ec6c19dd4719a67f4c3f00e Reviewed-by: Lars Knoll <lars.knoll@digia.com> Reviewed-by: Sergio Ahumada <sergio.ahumada@digia.com>
* Deprecate qMemCopy/qMemSet in favour of their stdlib equivilents.Robin Burchell2012-04-111-3/+3
| | | | | | | | | | | | | | | | | | Just like qMalloc/qRealloc/qFree, there is absolutely no reason to wrap these functions just to avoid an include, except to pay for it with worse runtime performance. On OS X, on byte sizes from 50 up to 1000, calling memset directly is 28-15% faster(!) than adding an additional call to qMemSet. The advantage on sizes above that is unmeasurable. For qMemCopy, the benefits are a little more modest: 16-7%. Change-Id: I98aa92bb765aea0448e3f20af42a039b369af0b3 Reviewed-by: Giuseppe D'Angelo <dangelog@gmail.com> Reviewed-by: John Brooks <john.brooks@dereferenced.net> Reviewed-by: Thiago Macieira <thiago.macieira@intel.com> Reviewed-by: Lars Knoll <lars.knoll@nokia.com>
* Remove ARMFPA support and Q_DOUBLE_FORMAT detectionBradley T. Hughes2012-03-011-42/+0
| | | | | | | | | | | | | | | | | Remove the -armfpa option the config.tests/unix/doubleformat* detection. The places where we used QT_ARMFPA and Q_DOUBLE_FORMAT has been removed as well. Rationale: ARM FPA with GCC does not work with EABI. Qt currently does not support compiling without EABI, making ARM FPA an impossibility. It is unknown whether other compilers provide ARM FPA support with EABI. Support for ARM FPA can be re-added in the future should the need arise, but since ARM VFP is available for ARMv5 and up, we should encourage implementors to instead use soft-floats or VFP. Change-Id: I3671aba575118ae3e3e6d769759301c8f2f496f5 Reviewed-by: Thiago Macieira <thiago.macieira@intel.com> Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@nokia.com>
* Remove "All rights reserved" line from license headers.Jason McDonald2012-01-301-1/+1
| | | | | | | | | | As in the past, to avoid rewriting various autotests that contain line-number information, an extra blank line has been inserted at the end of the license text to ensure that this commit does not change the total number of lines in the license header. Change-Id: I311e001373776812699d6efc045b5f742890c689 Reviewed-by: Rohan McGovern <rohan.mcgovern@nokia.com>
* Update contact information in license headers.Jason McDonald2012-01-231-1/+1
| | | | | | | Replace Nokia contact email address with Qt Project website. Change-Id: I431bbbf76d7c27d8b502f87947675c116994c415 Reviewed-by: Rohan McGovern <rohan.mcgovern@nokia.com>
* Update copyright year in license headers.Jason McDonald2012-01-051-1/+1
| | | | | Change-Id: I02f2c620296fcd91d4967d58767ea33fc4e1e7dc Reviewed-by: Rohan McGovern <rohan.mcgovern@nokia.com>
* Update licenseheader text in source files for qtbase Qt moduleJyri Tahtela2011-05-241-17/+17
| | | | | | | Updated version of LGPL and FDL licenseheaders. Apply release phase licenseheaders for all source files. Reviewed-by: Trust Me
* Initial import from the monolithic Qt.Qt by Nokia2011-04-271-0/+243
This is the beginning of revision history for this module. If you want to look at revision history older than this, please refer to the Qt Git wiki for how to use Git history grafting. At the time of writing, this wiki is located here: http://qt.gitorious.org/qt/pages/GitIntroductionWithQt If you have already performed the grafting and you don't see any history beyond this commit, try running "git log" with the "--follow" argument. Branched from the monolithic repo, Qt master branch, at commit 896db169ea224deb96c59ce8af800d019de63f12
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