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Bug
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Resolution: Done
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P1: Critical
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5.10
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None
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03bb4fe6b1910603b5cca1a8f9b2e761ac8299a0
The Gn generator generates include_dirs like this: http://code.qt.io/cgit/qt/qtwebengine.git/tree/mkspecs/features/gn_generator.prf?h=dev#n177
Starting with Qt 5.10, INCLUDEPATH can also contain things like $(VULKAN_SDK)/include which means the value of the VULKAN_SDK environment variable is picked up and substituted at some point by qmake.
In case of the Gn generator script, this does not happen whe evaluating $$path, resulting in for example this:
include_dirs += [
"C:/work/qtwebengine/src/core",
"C:/work/qtwebengine/src/core/api",
"C:/work/qtbase/include",
"C:/work/qtbase/include/QtQuick",
"C:/work/qtbase/include/QtGui",
"C:/work/qtbase/include/QtWebChannel",
"C:/work/qtbase/include/QtQml",
"C:/work/qtbase/include/QtNetwork",
"C:/work/qtbase/include/QtCore",
"C:/work/qtbase/include/QtQuick/5.10.0",
"C:/work/qtbase/include/QtQuick/5.10.0/QtQuick",
"C:/work/qtbase/include/QtGui/5.10.0",
"C:/work/qtbase/include/QtGui/5.10.0/QtGui",
"C:/work/qtbase/include/QtQml/5.10.0",
"C:/work/qtbase/include/QtQml/5.10.0/QtQml",
"C:/work/qtbase/include/QtCore/5.10.0",
"C:/work/qtbase/include/QtCore/5.10.0/QtCore",
"C:/work/qtbase/include/QtWebEngineCore",
"C:/work/qtbase/include/QtWebEngineCore/5.10.0",
"C:/work/qtbase/include/QtWebEngineCore/5.10.0/QtWebEngineCore",
"C:/work/qtwebengine/src/core/Debug_x64/.moc/debug",
"$(VULKAN_SDK)\include",
"$(VULKAN_SDK)\include",
rebase_path("$target_gen_dir/.moc/")
]
This means QtWebEngine will not build on any Windows system that has the Vulkan SDK installed.
We are in the process of changing some CI configs to include the Vulkan SDK for dev (5.10), but this cannot go through until qtwebengine fails to build. See https://codereview.qt-project.org/#/c/197990/ and QTQAINFRA-1186.
I tried to get the variable substitution to work but failed miserably. Something like
for (path, INCLUDEPATH): message($$path)
works as expected, but
for (path, INCLUDEPATH): GN_CONTENTS += " \"$$path\","
does not.
Note: this has nothing to do with the actual Vulkan support of Chromium. We do not care about that at this point.
- is required for
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QTQAINFRA-1186 Qt 5.10 Windows MSVC packages must be built with the Vulkan SDK
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- Closed
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