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Cory Fields bb44d9e754 depends: fix a static qt5 crash when using certain versions of libxcb ... See here for background: https://bugreports.qt.io/browse/QTBUG-34748 libxcb temporarily had an abi breakage which caused crashes when qt was compiled against a non-compatible version. Building qt with -qt-xcb should have shielded us from this issue, except that incompatible headers were used when building qt's wrapper. Make sure those headers aren't picked up by qt's build. Details: qt's build adds a wrapper around the xcb libs when -qt-xcb is used. This is done to avoid having to link to a handful of different libs, which may not be api/abi stable. This build depends on include-order, so that its files are found before the real libxcb headers. Our build (for other reasons related to qt's complicated build-system) injects our prefix into CXXFLAGS. Because libxcb is found in this path, that reverses the include-order, negating the purpose of the wrapper. To fix, libxcb's includes are simply moved to a subdir. pkg-config ensures that they're still found properly when needed. To make things even more interesting, this behavior in qt's .pro files is broken: INCLUDEPATH += $$QMAKE_CFLAGS_XCB The INCLUDEPATH variable is processed by qmake which automatically prefixes each entry with "-I". The QMAKE_CFLAGS_XCB variable comes from pkg-config and already contains -I, making the path look like "-I-I/path/to/xcb/headers". To work around that, CFLAGS/CXXFLAGS are used here rather than INCLUDEPATH.		10 years ago
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boost	…
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qt	depends: fix a static qt5 crash when using certain versions of libxcb	10 years ago
qt46	…