Add the CONFIG value c++2b that represent the upcoming C++23 standard.
Add QMAKE_CXXFLAGS_CXX2B and QMAKE_CXXFLAGS_GNUCXX2B.
On MSVC, use /std:c++latest when c++2b is active.
This fixes an issue with MSVC where c++latest implied the /std:c++20
compiler flag.
Pick-to: 5.15 6.2 6.3
Fixes: QTBUG-102202
Change-Id: Ie00ee5793c1a649195013c8c19efc8d59cf0acc9
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
Reviewed-by: Kai Koehne <kai.koehne@qt.io>
The -mno-direct-extern-access tells the compiler and linker that
references to symbols outside this ELF module mustn't be direct and must
instead always go through the GOT or PLT (the PLT can additionally be
disabled with -fno-plt). The ELF protected visibility tells the compiler
and linker that this symbol is present in the dynamic symbol table as an
export, but it cannot be interposed by another ELF module.
This option is required for user code to link properly to Qt, otherwise
they will get linker errors (assuming GNU binutils >= 2.39) or runtime
failures (glibc >= 2.35). Both versions of glibc and binutils are older
than GCC 12, so it's a safe assumption they are in use and downgrading
the toolchain or libc is not supported. Adding this option to the
compilation is assured for CMake and qmake-based projects.
For example, all accessess to QCoreApplication::self in QtCore, after
this change and with GCC 12 are relocation-free and direct:
000000000013ebf0 <QCoreApplicationPrivate::checkInstance(char const*)>:
13ebf0: cmpq $0x0,0x4f73d0(%rip) # 635fc8 <QCoreApplication::self>
13ebf8: setne %al
13ebfb: je a90fe <QCoreApplicationPrivate::checkInstance(char const*) [clone .cold]>
13ec01: ret
Meanwhile, accesses to the same variable in other modules are indirect
via the GOT:
66650: mov 0x876e1(%rip),%rax # edd38 <QCoreApplication::self@Qt_6>
66657: cmpq $0x0,(%rax)
This replaces the -Bsymbolic and -Bsymbolic-functions (broken)
functionality that Qt has been using or attempting to use since ~2006.
See https://gitlab.com/x86-psABIs/x86-64-ABI/-/issues/8#note_606975128
Change-Id: Iad4b0a3e5c06570b9f5f571b26ed564aa0811e47
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Set QMAKE_CXXFLAGS_CXX2A variable to -std:c++20 while building projects
with qmake and MSVC 16.11 or greater (_MSC_FULL_VER >= 192930133), when
c++2a is specified in the project config.
Pick-to: 6.2 6.3
Change-Id: If9a48d1ed16cb05c5cc01414ce8a4344e22438fe
Reviewed-by: Kai Koehne <kai.koehne@qt.io>
In release builds -olink also enables deletion of (unused) virtual
functions. In some cases this can lead to application crashes when
using loaders combined with timers. Prevent this by adding
-no_uvfd option to release build flags.
Task-number: QTBUG-99506
Pick-to: 6.3 6.2 5.15
Change-Id: I5c669e1e987f1fe912c9aca52ff82000125eed53
Reviewed-by: Tatiana Borisova <tatiana.borisova@qt.io>
Reviewed-by: Janne Koskinen <janne.p.koskinen@qt.io>
Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
Reviewed-by: Ville Voutilainen <ville.voutilainen@qt.io>
...which represents the version of the MSVC platform toolset.
This variable is used to set the platform toolset version in .vcxproj
files. Before, the platform toolset version was determined in qmake's
C++ code. Now, it's set next to where MSVC_VER is set in common mkspecs
.conf files. This will simplify supporting new Visual Studio versions
in the future.
Change-Id: If78c921f93c6378829746d617c7e7d312174257e
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
Extend the detection of the MSCV_VER variable and make VS 2022 known to
the vcxproj generator.
[ChangeLog][qmake] Added support for Visual Studio 2022.
Pick-to: 6.2 5.15
Fixes: QTBUG-97975
Change-Id: Id2c0a0b7800f721e9e34189f0a40ba4830283578
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
Make it possible to select the C17/C18 standard with
CONFIG += c17
or
CONFIG += c18
Pick-to: 6.2 5.15
Fixes: QTBUG-96026
Change-Id: I719d22366c3efda009118d58ead173a25ed285c0
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
The compiler that comes with Visual Studio 16.8 added support for
setting the C11 standard with the /std:c11 flag.
Add the respective version check in msvc-version.conf and set
MSVC_VER and QMAKE_CFLAGS_C11 accordingly.
Pick-to: 6.2 5.15
Task-number: QTBUG-89296
Change-Id: I29b54ee073a765918f5aa4ebb081b97c5cf471d7
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
If QMAKE_APPLE_DEVICE_ARCHS is not set, we pick up the available archs
based on what Qt was built with (QT_ARCS), but only build the active
arch.
Pick-to: 6.2
Change-Id: I83273f878022af34a3a0d0eeae8b11d781f78c49
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
Includes both minimum deployment targets and minimum sdk
versions.
As per supported Apple platforms versions which was done
in qt/qtdoc at
8807fdedce29cbbd7662fcd745234da30eace3fb
For Qt for iOS 6.0.x we only bump the minimum
deloyment target because applications seem to crash with iOS 12.4+,
and it's better to have a build error than a runtime error.
The minimum required sdk will not be bumped for 6.0.x, so we don't
accidentally break someone's existing build, given that 6.0 is already
released.
Pick-to: 6.1
Task-number: QTCREATORBUG-23574
Change-Id: I3046384164f2d7fdbd0cfd16dcb85e0d60bc56ce
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
The qmake variable QMAKE_APPLE_DEVICE_ARCHS was added for iOS,
to support universal builds, as the QT_ARCH is a single value.
Since the qmake macOS builds are non-universal (at the moment),
we remove the hard-coded value for QMAKE_APPLE_DEVICE_ARCHS on
macOS, and let the normal architecture test resolve the arch,
like on other platforms.
To ensure that the following configuration tests are run with
an -arch argument, we trigger a commit of the preliminary Qt
configuration after running the architecture test. This is not
strictly necessary, but makes it clearer what's going on during
configure.
The device_and_simulator configuration option was used by the
iOS toolchain, and needed to be moved up in the configuration
test order to not break later tests.
The logic in mac/default_post.prf for both Xcode and Makefiles
to add -arch flags was kept as is, based on the existing
variable, to avoid too many changes to this logic.
The logic in toolchain.prf was amended to make it clear and
ensure that it only applies to iOS builds. macOS builds do
not have this issue.
Pick-to: 6.0
Pick-to: 5.15
Pick-to: 5.12
Change-Id: I70db7e4c27f0d3da5d0af33cb491d72c312d3fa8
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
Testing seems to indicate building against the 11.0 SDK works fine,
and doesn't opt in to any new behaviors on Big Sur that Qt isn't
ready for.
Pick-to: 5.15
Pick-to: 5.12
Change-Id: I7da11cf25f2be7443c94ba7a4e9cd99dc1034455
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
Reviewed-by: Timur Pocheptsov <timur.pocheptsov@qt.io>
Updates due to newer compiler version in QNX7.1
Task-number: QTBUG-88300
Change-Id: If9bbc08d49a077d80174a1807e069b5d4ef61c0d
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
According to Microsoft's docs, /OPT:ICF is enabled by the
linker by default unless /OPT:NOICF or /DEBUG is specified.
If we are in RelWithDebInfo mode, /DEBUG is passed to the
linker to generate debug symbols, however, it caused the
identical COMDAT folding be disabled. We now pass /OPT:ICF
to the linker explicitly to prevent this.
[1] https://docs.microsoft.com/en-us/cpp/build/reference/opt-optimizations?view=msvc-160
Change-Id: I02099edb81034ace7bb19f1164d57829e3979a5f
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
*Not* using /permissive- exposes Qt and client apps to interesting
bugs and/or build failures, (e.g. QTBUG-87225, or
19b5520abf). We demand strict
conformance by any other compiler, it's time to demand it from
MSVC too.
The Windows headers themselves are clean starting from the
Windows Fall Creators SDK (10.0.16299.0), and moreover Qt 6 will
drop WinRT; therefore, the comment in the mkspecs does not apply
any more.
Since /permissive- implies /Zc:referenceBinding, drop that
option. The other implied options are set on MSVC < 2017,
but I leave them in to avoid tinkering with the fragile lists
of C/C++ flags.
Rename the CMake internal helper function to better describe
what it does.
Fixes: QTBUG-85633
Fixes: QTBUG-85637
Fixes: QTBUG-85635
Fixes: QTBUG-88244
Change-Id: Ie03fddb61aa066fdc14b7231c22e7108b4a02fbb
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
Reviewed-by: Kai Koehne <kai.koehne@qt.io>
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
The use-case is relevant for other platforms as well.
Now that Qt has a module system we can also replace a lot of the
hand crafted logic for linking with simpler constructs.
Change-Id: Ib6853aaf81bfea79c31f2de741d65b4b56f23ef6
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
We want this in order to be able to export constexpr members.
Change-Id: I33ba7964ebee54fe656df983985d8d6fa0b99358
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
It is not supported.
Warning: argument unused during compilation '-mthreads'.
Change-Id: I6de147c15dbf3c7f416b233e739ce2de183701af
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
Before clang 9, it was enabled by default
when -fsanitize=undefined was set.
Pick-to: 5.15
Change-Id: I0faf3ae1901d4badc6d265fa8081185be4360636
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
It is only used by default on Windows, but can be enabled by setting
QMAKE_LINK_OBJECT_MAX.
The current file name is .project_name.
Use a sensible file name on this case.
Change-Id: Ic250d024e5feca739027c79a6e285d616234c4ea
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
Apple deprecated the entire OpenGL API in favor of Metal, which
we are aware of, so we don't need to see the warnings when building
Qt.
Instead of applying the silencing globally for all Qt consumers,
both internal and external, we now limit the silencing to Qt itself.
That means user code that explicitly uses any of the deprecated APIs
will see the warnings. Note that this does not apply to merely using
any of the Qt OpenGL APIs. The user has to explicitly use the platform
APIs that have been deprecated.
The warnings need to be disabled on a build system level, so that
that they are passed as -D flags on the command line. If the defines
were done in Qt headers (qguiglobal.h e.g.), they would require the
user to always include this header before any of the Apple headers.
Change-Id: I3f2a2a5211332a059ad4416394251772c677fdcb
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
Macros and the await helper function from qfunctions_winrt(_p).h are
needed in other Qt modules which use UWP APIs on desktop windows.
Task-number: QTBUG-84434
Change-Id: Ice09c11436ad151c17bdccd2c7defadd08c13925
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
This option changes the order of include paths, which can cause problems
of various kinds. See https://bugs.debian.org/958479 for an example.
The benefit of that option is minimal for what it was intended.
Pick-to: 5.15 5.12
Change-Id: I80eeabd09764df290b60bc59aeb2f90d07723608
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Ubuntu 20.04 enables -fcf-protection by default.
PCRE2 10.35 sees this but complains that -mshstk is also necessary
to build its JIT. Detect whether the compiler is enabling Intel CET
automatically, and if so, build PCRE2 with the right options.
Pick-to: 5.15
Change-Id: I3440e689b81f4f07055f211a4fa7331a43eb410d
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
This marks the end of EGL and OpenGL ES support on Windows.
The concepts of -opengl dynamic, -opengl desktop, QT_OPENGL=software,
etc. remain unchanged, with the exception of the disapperance of
everything ANGLE related.
CMake builds now work identically to qmake on Windows: they default to
'dynamic' OpenGL on Windows, unless -DINPUT_opengl=desktop is specified.
On Windows, Qt 6 is expected to default to the "dynamic" OpenGL model by
default, just like Qt 5.15. This can be changed by switching to "desktop"
OpenGL, which will link to opengl32 (publicly, so other libs and applications
will do so as well) and disallows using another OpenGL DLL.
The "dynamic" mode is essential still because the fallback to a software
rasterizer, such as the opengl32sw.dll we ship with the Qt packages,
has to to work exactly like in Qt 5, the removal of ANGLE does not
change this concept in any way (except of course that the middle option
of using ANGLE is now gone)
When it comes to the windows plugin's OpenGL blacklist feature, it works
like before and accepts the ANGLE/D3D related keywords. They will
then be ignored. Similarly, requesting QT_OPENGL=angle is ignored (but
will show a warning).
The D3D11 and DXGI configure time tests are removed: Qt 5.14 already
depends on D3D 11.1 and DXGI 1.3 headers being available unconditionally
on Win32 (in QRhi's D3D11 backend). No need to test for these.
[ChangeLog][Windows] ANGLE is no longer included with Qt. Dynamic OpenGL
builds work like before but ANGLE is no longer an option. OpenGL proper
or an alternative opengl32 implementation are the two remaining options
now. Attempting to set QT_OPENGL=angle or Qt::AA_UseOpenGLES will have
no effect on Windows.
Fixes: QTBUG-79103
Change-Id: Ia404e0d07f3fe191b27434d863c81180112ecb3b
Reviewed-by: Oliver Wolff <oliver.wolff@qt.io>
Fixes enabling of fPIC that got removed as a side-effect of commit 39fc377bf.
Fixes: QTBUG-83949
Change-Id: I2bed7edb5b1f97192cbcf9e12dd927a17803d864
Pick-to: 5.15
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
The last release of glibc 1 was 1995 and can be considered outdated.
Also, the current check prevented building with e.g. musl libc.
Every file that includes common/posix/qplatformdefs.h already has
QT_SOCKLEN_T defined to socklen_t, so remove the definition from those
completely.
This is a continuation of 813f468a and a421e409.
Change-Id: Icf2692a8e814286487662e290a8f844872eefe53
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
From 11.7.6 onwards you need to select if your build is rel/dbg/chk/cov.
Added env variable where you can add which build target to configure.
Task-number: QTBUG-74716
Change-Id: I9ab3dd6177c5c5fa1da6aa7556784fa86d0d0348
Reviewed-by: Timo Aarnipuro <timo.aarnipuro@qt.io>
Reviewed-by: Tomi Korpipää <tomi.korpipaa@qt.io>
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
Conflicts:
examples/opengl/doc/src/cube.qdoc
src/corelib/global/qlibraryinfo.cpp
src/corelib/text/qbytearray_p.h
src/corelib/text/qlocale_data_p.h
src/corelib/time/qhijricalendar_data_p.h
src/corelib/time/qjalalicalendar_data_p.h
src/corelib/time/qromancalendar_data_p.h
src/network/ssl/qsslcertificate.h
src/widgets/doc/src/graphicsview.qdoc
src/widgets/widgets/qcombobox.cpp
src/widgets/widgets/qcombobox.h
tests/auto/corelib/tools/qscopeguard/tst_qscopeguard.cpp
tests/auto/widgets/widgets/qcombobox/tst_qcombobox.cpp
tests/benchmarks/corelib/io/qdiriterator/qdiriterator.pro
tests/manual/diaglib/debugproxystyle.cpp
tests/manual/diaglib/qwidgetdump.cpp
tests/manual/diaglib/qwindowdump.cpp
tests/manual/diaglib/textdump.cpp
util/locale_database/cldr2qlocalexml.py
util/locale_database/qlocalexml.py
util/locale_database/qlocalexml2cpp.py
Resolution of util/locale_database/ are based on:
https://codereview.qt-project.org/c/qt/qtbase/+/294250
and src/corelib/{text,time}/*_data_p.h were then regenerated by
running those scripts.
Updated CMakeLists.txt in each of
tests/auto/corelib/serialization/qcborstreamreader/
tests/auto/corelib/serialization/qcborvalue/
tests/auto/gui/kernel/
and generated new ones in each of
tests/auto/gui/kernel/qaddpostroutine/
tests/auto/gui/kernel/qhighdpiscaling/
tests/libfuzzer/corelib/text/qregularexpression/optimize/
tests/libfuzzer/gui/painting/qcolorspace/fromiccprofile/
tests/libfuzzer/gui/text/qtextdocument/sethtml/
tests/libfuzzer/gui/text/qtextdocument/setmarkdown/
tests/libfuzzer/gui/text/qtextlayout/beginlayout/
by running util/cmake/pro2cmake.py on their changed .pro files.
Changed target name in
tests/auto/gui/kernel/qaction/qaction.pro
tests/auto/gui/kernel/qaction/qactiongroup.pro
tests/auto/gui/kernel/qshortcut/qshortcut.pro
to ensure unique target names for CMake
Changed tst_QComboBox::currentIndex to not test the
currentIndexChanged(QString), as that one does not exist in Qt 6
anymore.
Change-Id: I9a85705484855ae1dc874a81f49d27a50b0dcff7
Make sure that, if Qt was configured with -debug-and-release, winmain
and user apps are generated by default in debug-and-release mode, too.
This amends 9b4ec1393f .
Change-Id: I0f169d63ca98c9bde41114225004a0844425db33
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
Conflicts:
examples/widgets/graphicsview/boxes/scene.h
src/corelib/Qt5CoreMacros.cmake
src/corelib/Qt6CoreMacros.cmake
src/network/ssl/qsslsocket.cpp
src/network/ssl/qsslsocket.h
src/platformsupport/fontdatabases/windows/qwindowsfontenginedirectwrite.cpp
src/testlib/CMakeLists.txt
src/testlib/.prev_CMakeLists.txt
tests/auto/corelib/tools/qscopeguard/tst_qscopeguard.cpp
Disabled building manual tests with CMake for now, because qmake
doesn't do it, and it confuses people.
Done-With: Alexandru Croitor <alexandru.croitor@qt.io>
Done-With: Volker Hilsheimer <volker.hilsheimer@qt.io>
Change-Id: I865ae347bd01f4e59f16d007b66d175a52f1f152
We will want to use C++17 code in our headers soon.
(including the one in the bootstrap libraries)
This patch is quick and dirty, I guess it will be cleaner once we move to cmake
Updated QMAKE_MACOSX_DEPLOYMENT_TARGET because 10.13 runtime does
not support C++17 stdlib features
Change-Id: I75ac171436945dddd1bb953a9c8d323ac20da7ac
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Cascade Lake (CLX) added AVX512VNNI, Ice Lake has added that plus the
integer multiplication (IFMA), the vector bit manipulation instructions
(VBMI and VBMI2), bit algorithms (BITALG), the extended vector AES
instructions (VAES), among others.
I haven't turned on the configure check for those yet. I believe the
VBMI and IFMA instructions will be interesting for Qt image algorithms,
but we'll need some Ice Lakes to do benchmarking on.
Change-Id: Ib5d667bf77a740c28d2efffd15cb43dd821d4b2d
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>
This adds instrumentation to the binaries. At the end of their
execution, these will then write a file containing information which code
was executed. This can be used for code coverage analysis.
[ChangeLog][QtCore][configure] Add switch "-coverage source-based" to
enable clang's "source-based" code coverage feature. This can be used
for code coverage analysis.
Change-Id: If31c6849aa797ff8820e041e85a492a14e2f1a6b
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@qt.io>
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
Adds instrumentation for fuzzing to the binaries but links to the usual
main function instead of a fuzzer's. The similar sanitizer "fuzzer"
should then be used only for building the test itself.
Requires clang 6 or higher.
Change-Id: I24ee1f018b0b97f2977dc86fbdc29a164d7c4e01
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
The linker must not throw away the lto.o file. We now instruct the
linker to create a non-temporary lto.o, dependent on the target name.
In order to do that we introduce a new mkspec variable
QMAKE_LFLAGS_LTCG_SEPARATE_DEBUG_INFO. This variable can contain
single-$ variable references that get evaluated when loading ltcg.prf.
Fixes: QTBUG-72846
Change-Id: I0ea882628d63e5406ba0ee68c7435af597364b0f
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Reviewed-by: Kai Koehne <kai.koehne@qt.io>
