Bug 2955. Workaround for lack of atomic operations in GCCE standard libraries (fall back to default use of Mutex)
# compatibility header:
HEADERS += stream/qxmlstream.h
!static {
# The platforms that require the symbol to be present in QtXml:
win32:!wince-*:SOURCES += ../corelib/xml/qxmlstream.cpp
mac:SOURCES += ../corelib/xml/qxmlstream.cpp
aix-*:SOURCES += ../corelib/xml/qxmlstream.cpp
}