Bug 2955. Workaround for lack of atomic operations in GCCE standard libraries (fall back to default use of Mutex)
# Qt core thread module
# public headers
HEADERS += thread/qmutex.h \
thread/qreadwritelock.h \
thread/qsemaphore.h \
thread/qthread.h \
thread/qthreadstorage.h \
thread/qwaitcondition.h \
thread/qatomic.h
# private headers
HEADERS += thread/qmutex_p.h \
thread/qmutexpool_p.h \
thread/qorderedmutexlocker_p.h \
thread/qreadwritelock_p.h \
thread/qthread_p.h
SOURCES += thread/qatomic.cpp \
thread/qmutex.cpp \
thread/qreadwritelock.cpp \
thread/qmutexpool.cpp \
thread/qsemaphore.cpp \
thread/qthread.cpp \
thread/qthreadstorage.cpp
unix:SOURCES += thread/qmutex_unix.cpp \
thread/qthread_unix.cpp \
thread/qwaitcondition_unix.cpp
win32:SOURCES += thread/qmutex_win.cpp \
thread/qthread_win.cpp \
thread/qwaitcondition_win.cpp